86 results on '"Grothusen C"'
Search Results
2. Early outcomes of the PASCAL P10 and the MitraClip XT transcatheter mitral leaflet approximation devices - A propensity score matched multicentre comparison
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Von Stein, P, primary, Wienemann, H, additional, Horn, P, additional, Sugiura, A, additional, Spieker, M, additional, Tanaka, T, additional, Lurz, P, additional, Ruf, T, additional, Grothusen, C, additional, Hausleiter, J, additional, Nef, H, additional, Luedike, P, additional, Gercek, M, additional, Pfister, R, additional, and Mauri, V, additional
- Published
- 2023
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3. Akute Lungenembolie: Diagnostik und Therapie einschließlich chirurgischer Therapieoptionen
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Grothusen, C., Lankeit, M., Olsson, K., Panholzer, B., Haneya, A., and Cremer, J.
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- 2019
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4. Effects of low doses of mifepristone on human embryo implantation process in a three-dimensional human endometrial in vitro co-culture system
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Boggavarapu, N.R., Berger, C., von Grothusen, C., Menezes, J., Gemzell-Danielsson, K., and Lalitkumar, P.G.L.
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- 2016
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5. An Investigation on the Factors that Affect Sizing in Two Generations of Self-Expandable Transcatheter Valves and Their Influence on Paravalvular Regurgitation (PVR)
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Serio, D., additional, Renker, M., additional, Blumenstein, J., additional, Möllmann, H., additional, Eckel, C., additional, Grothusen, C., additional, Tiyerili, V., additional, Choi, Y. H., additional, Hamm, C., additional, Kim, W. K., additional, and Charitos, E., additional
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- 2023
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6. „Dead man walking“?: „Coronary artery bypass graft“ im akuten Myokardinfarkt
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Grothusen, C. and Cremer, J.
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- 2017
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7. P-420 Dysregulated microRNAs in uterine fluid from women with recurrent implantation failure are linked to endometrial receptivity and implantation
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Von Grothusen, C, primary, Frisendahl, C, additional, Vijayachitra, M, additional, Parameswaran Grace, L, additional, Peters, M, additional, Faridani, O, additional, Andres, S, additional, Rao Boggavarapu, N, additional, and Gemzell-Danielsson, K, additional
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- 2022
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8. Surgical Embolectomy for Acute Pulmonary Embolism: Single-Center Experience with 105 Patients
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Panholzer, B., additional, Gravert, H., additional, Huenges, K., additional, Haneya, A., additional, Cremer, J., additional, and Grothusen, C., additional
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- 2021
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9. Outcomes of Surgery for Cardiac Myxoma with Cerebral Embolism
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Tulun, A., additional, Hillmer, J., additional, Kolat, P., additional, Grothusen, C., additional, Panholzer, B., additional, Schoeneich, F., additional, Haneya, A., additional, Cremer, J., additional, and Schöttler, J., additional
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- 2021
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10. Percutaneous coronary intervention versus coronary artery bypass grafting in patients with three-vessel or left main coronary artery disease: 10-year follow-up of the multicentre randomised controlled SYNTAX trial
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Thuijs, D. J. F. M., Kappetein, A. P., Serruys, P. W., Mohr, F. -W., Morice, M. -C., Mack, M. J., Holmes, D. R., Curzen, N., Davierwala, P., Noack, T., Milojevic, M., Dawkins, K. D., da Costa, B. R., Juni, P., Head, S. J., Casselman, F., de Bruyne, B., Hoj Christiansen, E., Ruiz-Nodar, J. M., Vermeersch, P., Schultz, W., Sabatelli, Mario, Guagliumi, G., Grubitzsch, H., Stangl, K., Darremont, O., Bentala, M., den Heijer, P., Preda, I., Stoler, R., Szerafin, T., Buckner, J. K., Guber, M. S., Verberkmoes, N., Akca, F., Feldman, T., Beyersdorf, F., Drieghe, B., Oldroyd, K., Berger, Gerit, Jeppsson, A., Barber, K., Wolschleger, K., Heiser, J., van der Harst, P., Mariani, M. A., Reichenspurner, H., Stark, C., Laineri Milazzo, Marco, Ho, P. C., Chen, J. C., Zelman, R., Horwitz, P. A., Bochenek, A., Krauze, A., Grothusen, C., Dudek, D., Heyrich, G., Kolh, P., Legrand, V., Coelho, P., Ensminger, S., Nasseri, B., Ingemansson, R., Olivecrona, G., Escaned, J., Guera, R., Berti, S., Chieffo, A., Burke, N., Mooney, M., Spolaor, A., Hagl, C., Nabauer, M., Suttorp, M. J., Stine, R. A., Mcgarry, T., Lucas, S., Endresen, K., Taussig, A., Accola, K., Canosi, U., Horvath, I., Cannon, L., Talbott, J. D., Akins, C. W., Kramer, R., Aschermann, M., Killinger, W., Narbute, I., Burzotta, Francesco, Bogers, A., Zijlstra, F., Eltchaninoff, H., Berland, J., Stefanini, G., Cruz Gonzalez, I., Hoppe, U., Kiesz, S., Gora, B., Ahlsson, A., Corbascio, M., Bilfinger, T., Carrie, D., Tchetche, D., Hauptman, K. -E., Stahle, E., James, S., Sandner, S., Laufer, G., Lang, I., Witkowski, A., Thourani, V., Suryapranata, H., Redwood, S., Knight, C., Maccarthy, P., de Belder, A., Banning, A., Gershlick, A., Sabate M. (ORCID:0000-0001-6635-4985), Berg G., Laine M., Burzotta F. (ORCID:0000-0002-6569-9401), Thuijs, D. J. F. M., Kappetein, A. P., Serruys, P. W., Mohr, F. -W., Morice, M. -C., Mack, M. J., Holmes, D. R., Curzen, N., Davierwala, P., Noack, T., Milojevic, M., Dawkins, K. D., da Costa, B. R., Juni, P., Head, S. J., Casselman, F., de Bruyne, B., Hoj Christiansen, E., Ruiz-Nodar, J. M., Vermeersch, P., Schultz, W., Sabatelli, Mario, Guagliumi, G., Grubitzsch, H., Stangl, K., Darremont, O., Bentala, M., den Heijer, P., Preda, I., Stoler, R., Szerafin, T., Buckner, J. K., Guber, M. S., Verberkmoes, N., Akca, F., Feldman, T., Beyersdorf, F., Drieghe, B., Oldroyd, K., Berger, Gerit, Jeppsson, A., Barber, K., Wolschleger, K., Heiser, J., van der Harst, P., Mariani, M. A., Reichenspurner, H., Stark, C., Laineri Milazzo, Marco, Ho, P. C., Chen, J. C., Zelman, R., Horwitz, P. A., Bochenek, A., Krauze, A., Grothusen, C., Dudek, D., Heyrich, G., Kolh, P., Legrand, V., Coelho, P., Ensminger, S., Nasseri, B., Ingemansson, R., Olivecrona, G., Escaned, J., Guera, R., Berti, S., Chieffo, A., Burke, N., Mooney, M., Spolaor, A., Hagl, C., Nabauer, M., Suttorp, M. J., Stine, R. A., Mcgarry, T., Lucas, S., Endresen, K., Taussig, A., Accola, K., Canosi, U., Horvath, I., Cannon, L., Talbott, J. D., Akins, C. W., Kramer, R., Aschermann, M., Killinger, W., Narbute, I., Burzotta, Francesco, Bogers, A., Zijlstra, F., Eltchaninoff, H., Berland, J., Stefanini, G., Cruz Gonzalez, I., Hoppe, U., Kiesz, S., Gora, B., Ahlsson, A., Corbascio, M., Bilfinger, T., Carrie, D., Tchetche, D., Hauptman, K. -E., Stahle, E., James, S., Sandner, S., Laufer, G., Lang, I., Witkowski, A., Thourani, V., Suryapranata, H., Redwood, S., Knight, C., Maccarthy, P., de Belder, A., Banning, A., Gershlick, A., Sabate M. (ORCID:0000-0001-6635-4985), Berg G., Laine M., and Burzotta F. (ORCID:0000-0002-6569-9401)
- Abstract
Background: The Synergy between PCI with Taxus and Cardiac Surgery (SYNTAX) trial was a non-inferiority trial that compared percutaneous coronary intervention (PCI) using first-generation paclitaxel-eluting stents with coronary artery bypass grafting (CABG) in patients with de-novo three-vessel and left main coronary artery disease, and reported results up to 5 years. We now report 10-year all-cause death results. Methods: The SYNTAX Extended Survival (SYNTAXES) study is an investigator-driven extension of follow-up of a multicentre, randomised controlled trial done in 85 hospitals across 18 North American and European countries. Patients with de-novo three-vessel and left main coronary artery disease were randomly assigned (1:1) to the PCI group or CABG group. Patients with a history of PCI or CABG, acute myocardial infarction, or an indication for concomitant cardiac surgery were excluded. The primary endpoint of the SYNTAXES study was 10-year all-cause death, which was assessed according to the intention-to-treat principle. Prespecified subgroup analyses were performed according to the presence or absence of left main coronary artery disease and diabetes, and according to coronary complexity defined by core laboratory SYNTAX score tertiles. This study is registered with ClinicalTrials.gov, NCT03417050. Findings: From March, 2005, to April, 2007, 1800 patients were randomly assigned to the PCI (n=903) or CABG (n=897) group. Vital status information at 10 years was complete for 841 (93%) patients in the PCI group and 848 (95%) patients in the CABG group. At 10 years, 244 (27%) patients had died after PCI and 211 (24%) after CABG (hazard ratio 1·17 [95% CI 0·97–1·41], p=0·092). Among patients with three-vessel disease, 151 (28%) of 546 had died after PCI versus 113 (21%) of 549 after CABG (hazard ratio 1·41 [95% CI 1·10–1·80]), and among patients with left main coronary artery disease, 93 (26%) of 357 had died after PCI versus 98 (28%) of 348 after CABG (0·90 [0·68–
- Published
- 2019
11. Akute Lungenembolie
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Grothusen, C., primary, Lankeit, M., additional, Olsson, K., additional, Panholzer, B., additional, Haneya, A., additional, and Cremer, J., additional
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- 2019
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12. Effect of mifepristone on the transcriptomic signature of endometrial receptivity
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von Grothusen, C, primary, Lalitkumar, P G, additional, Ruiz-Alonso, M, additional, Boggavarapu, N R, additional, Navarro, R, additional, Miravet-Valenciano, J, additional, Gemzell-Danielsson, K, additional, and Simon, C, additional
- Published
- 2018
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13. Effect of mifepristone on the transcriptomic signature of endometrial receptivity.
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Grothusen, C von, Lalitkumar, P G, Ruiz-Alonso, M, Boggavarapu, N R, Navarro, R, Miravet-Valenciano, J, Gemzell-Danielsson, K, Simon, C, and von Grothusen, C
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MIFEPRISTONE , *ENDOMETRIUM , *GENE expression , *TRANSCRIPTOMES , *PROGESTERONE receptors , *CELL receptors , *COMPARATIVE studies , *GENES , *RESEARCH methodology , *MEDICAL cooperation , *POLYMERASE chain reaction , *RESEARCH , *EVALUATION research , *FETAL development , *CASE-control method , *GENE expression profiling , *PHARMACODYNAMICS - Abstract
Study Question: How does a single dose of mifepristone on Day 2 after the LH peak (LH + 2) affect the endometrial receptivity transcriptome as assessed by the receptive signature established by the endometrial receptivity analysis (ERA)?Summary Answer: A single dose of mifepristone on day LH + 2 renders the endometrium non-receptive by altering the transcriptome associated with endometrial receptivity.What Is Known Already: Mifepristone is a progesterone receptor modulator that has been shown to alter endometrial receptivity. The ERA is a computational predictor that utilizes gene expression data of 248 genes from next generation sequencing to identify endometrial receptivity status.Study Design, Size, Duration: Endometrial biopsies were collected on day LH + 7 from controls (n = 11) and from women treated with mifepristone (n = 7). For further comparative analysis, samples were also obtained from women in the proliferative phase (n = 7).Participants/materials, Setting, Methods: Mifepristone treatment consisted of 200 mg administered on day LH + 2. Endometrial biopsies were treated for RNA isolation and cDNA conversion and sequencing. Endometrial receptivity status was assessed by the ERA computational predictor. Differential gene expression between groups was also assessed. Ingenuity Pathway Analysis was used for network analysis. Validation of gene expression results was done by qPCR.Main Results and the Role Of Chance: Control samples were all staged around 'receptive' as would be clinically expected for LH + 7. Treatment samples were all staged as non-receptive (all but one was classified as 'proliferative' and the last as 'pre-receptive'). Differential gene expression analysis yielded 60 differentially expressed genes between the control and treatment groups. Bioinformatic pathway analysis for differential expression showed inactivation of the progesterone and glucocorticoid receptors, consistent with mifepristone action.Limitations, Reasons For Caution: The primary limitations are the relative small number of subjects and the use of a limited gene panel.Wider Implications Of the Findings: This study sheds further light on the endometrial receptivity altering effects of mifepristone and on progesterone action. It further shows the capacity of the ERA to identify pharmacologically induced non-receptive endometrium, which expands its possible use clinically and in research.Study Funding/competing Interest(s): C.v.G. and N.R.B. have no conflicts of interest. P.G.L. reports honorarium from University of HK/Shenzhen, other from NIF, India, outside the submitted work. K.G.D. reports consultancy for Bayer AG, Exelgyn, HRA-Pharma, Gedeon Richter, MSD, Mithra, Exeltis and Natural cycles, payment for lectures from Bayer AG, NSD, Ferring, HRA-Pharma, Exelgyn and Exeltis and clinical trials for Bayer AG, MSD, Exeltis, Mithra, HRA-Pharma and Sun Pharma. C.S. has a patent gene expression profile (ERA) issued to Igenomix and is scientific director of Igenomix S.L. M.R., R.N. and J.M.V. are employees of Igenomix S.L.Trial Registration Number: N/A. [ABSTRACT FROM AUTHOR]- Published
- 2018
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14. Sex-dependent Differences after Early Operative Myocardial Revascularization in Acute Myocardial Infarction
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Grothusen, C., additional, Ohnewald, E., additional, Friedrich, C., additional, Ashbahs, M., additional, Meinert, J., additional, Huenges, K., additional, Attmann, T., additional, Haneya, A., additional, Schoettler, J., additional, and Cremer, J., additional
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- 2018
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15. The Labcor Stentless Valved Pulmonary Conduit for RVOT Reconstruction: A 7-Year Experience
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Jussli-Melchers, J., additional, Steer, J., additional, Grothusen, C., additional, Logoteta, J., additional, Hansen, J.-H., additional, Duetschke, P., additional, Kramer, H.-H., additional, and Scheewe, J., additional
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- 2018
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16. Severe Pulmonary Bleeding after Assist Device Implantation: A Case Series
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Panholzer, B., additional, Huenges, K., additional, Hoffmann, G., additional, Kolat, P., additional, Eide, A.M., additional, Grothusen, C., additional, Cremer, J., additional, and Haneya, A., additional
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- 2017
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17. Mid-Term Outcome of Total Arterial Myocardial Revascularization in Patients Older than 70 Years
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Panholzer, B., additional, Jussli-Melchers, J., additional, Huenges, K., additional, Grothusen, C., additional, Kowalski, A., additional, Schöneich, F., additional, Schöttler, J., additional, Cremer, J., additional, and Haneya, A., additional
- Published
- 2017
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18. Short- and Long-Term Outcome of Patients with Acute Myocardial Infarction and Coronary Artery Bypass Surgery within 48 Hours
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Grothusen, C., additional, Friedrich, C., additional, Loehr, J., additional, Meinert, J., additional, Ohnewald, E., additional, Ulbricht, U., additional, Attmann, T., additional, Haneya, A., additional, Huenges, K., additional, Cremer, J., additional, and Schoettler, J., additional
- Published
- 2017
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19. „Dead man walking“?
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Grothusen, C., primary and Cremer, J., additional
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- 2016
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20. Cardioplegic or Fibrillatory Arrest for Correction of Partial and Intermediate Atrioventricular Septal Defects?
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Attmann, T., primary, Grothusen, C., additional, Ayissi, M.-S, additional, Niehaus, H., additional, Cremer, J., additional, and Scheewe, J., additional
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- 2016
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21. miR-19a-3p Containing Exosomes Improve Cardiac Function in Ischemic Myocardium.
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Grothusen, C., Ohnewald, E., Friedrich, C., Ashbahs, M., Meinert, J., Huenges, K., Attmann, T., Haneya, A., Schoettler, J., and Cremer, J.
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MICRORNA , *EXOSOMES , *CORONARY disease , *ENDOTHELIAL cells , *ECHOCARDIOGRAPHY - Published
- 2018
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22. Endocarditis Prophylaxis(EP) in Congenital and Acquired Heart Diseases during Interventions in the Oropharynx: Knowledge in Dentists (Endocarditis Prophylaxis in Intervention in Oropharynx Study, EPIO Study).
- Author
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Jussli-Melchers, J., Steer, J., Grothusen, C., Logoteta, J., Hansen, J.-H., Duetschke, P., Kramer, H.-H., and Scheewe, J.
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TREATMENT of endocarditis ,PREVENTIVE medicine ,HEART diseases ,THERAPEUTICS ,BACTEREMIA ,DISEASE incidence - Published
- 2018
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23. Aortic Valve Reconstruction in Children - a Single-Center Experience
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Grothusen, C., primary, Attmann, T., additional, Fischer, G., additional, Rinne, K., additional, Kramer, H.-H., additional, and Scheewe, J., additional
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- 2015
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24. 'Dead man walking'?
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Grothusen, C. and Cremer, J.
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- 2017
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25. 1-Year Outcomes of Transcatheter Aortic Valve Replacement Using a Self-Expanding vs Balloon-Expandable Transcatheter Aortic Valve.
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Kim WK, Pellegrini C, Eckel C, Renker M, Grothusen C, Choi YH, Charitos EI, Duesmann C, Blumenstein J, Rheude T, Sossalla S, Joner M, and Möllmann H
- Abstract
Background: Mid-term comparative data for the self-expanding ACURATE neo2 transcatheter heart valve and the balloon-expandable SAPIEN 3 Ultra are lacking., Objectives: The aim of this study was to compare 1-year outcomes after transcatheter aortic valve replacement of these 2 valves., Methods: A total of 2,106 patients from 3 centers (neo2, n = 1,166; Ultra, n = 940) undergoing transfemoral transcatheter aortic valve replacement were analyzed retrospectively. The primary endpoint was the composite of all-cause mortality, stroke, and rehospitalization at 1 year. Secondary endpoints were the individual components of the primary endpoint at 1 year. To adjust for baseline differences, nearest neighbor propensity score matching was used., Results: After matching (702 pairs), baseline characteristics were similar between groups. Device success was more common in the neo2 group (87.5% vs 82.3%; P = 0.007), irrespective of matching. DP mean after the procedure was higher for Ultra (13 mm Hg [Q1-Q3: 10-15 mm Hg] vs 8 mm Hg [Q1-Q3: 6-11] mm Hg; P < 0.001). Rates of paravalvular leakage, device embolization, and multiple valve implantations were more common in the neo2 arm, whereas major cardiac structural complications and major vascular complications occurred more frequently in the Ultra group. All other in-hospital complication rates were similar between the 2 groups. At 1 year, the cumulative incidence of the primary endpoint (14.1% for neo2 vs 14.5% for Ultra; P = 0.819) was similar between the groups. Likewise, the individual components showed no difference between the groups., Conclusions: Despite differing immediate results, the outcomes at 1 year, including the composite of all-cause mortality, stroke, or hospitalization, were similar for neo2 and Ultra transcatheter heart valves., Competing Interests: Funding Support and Author Disclosures Dr Kim has received proctor and/or speaker and/or advisory honoraria from Abbott, Boston Scientific, Edwards Lifesciences, Meril Life Sciences, Shockwave, and HID Imaging. Dr Choi has received speaker and proctor fees from Edwards Lifesciences, CytoSorbents, and Getinge. Dr Charitos is a proctor for Boston Scientific. Dr Rheude has received lecture fees from Abbott, AstraZeneca, SIS Medical, and Translumina; and has received travel support from Boston Scientific and Eli Lilly (not related to the present work). Dr Joner has received lecture fees and research grants from Edwards Lifesciences and Boston Scientific; and is a consultant for Biotronik and OrbusNeich. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose., (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)
- Published
- 2024
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26. Impact of Accidental High or Low Implantation Depth on Peri-Procedural Outcomes after Implantation with the Self-Expanding ACURATE neo2.
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Eckel C, Kim WK, Schlüter J, Renker M, Bargon S, Grothusen C, Elsässer A, Dohmen G, Choi YH, Charitos EI, Hamm CW, Sossalla S, Möllmann H, and Blumenstein J
- Abstract
Background : Precise implantation could play a crucial role in the technical success of transcatheter aortic valve replacement (TAVR) for some prostheses. The impact of an accidental implantation depth (ID) outside the recommended range has not been assessed for the ACURATE neo2 (NEO2). Methods : Data from 1839 patients with severe native aortic stenosis treated with the NEO2 prosthesis were evaluated. We compared the results of prostheses implanted in an ID both inside and outside the recommendations. The outcome assessment followed the Valve Academic Research Consortium-3 criteria. Results : Patients were retrospectively divided into high (<3 mm; n = 412), optimal (3-7 mm; n = 1236), and low (>7 mm; n = 169) implantations. Technical success (94.7% vs. 94.7% vs. 91.7%, p = 0.296) and device success were high (90.1% vs. 89.3% vs. 84.6%, p = 0.112) without differences between groups. Rates of relevant paravalvular regurgitation (PVL; >mild or VinV due to PVL) were comparable (1.2% vs. 1.8% vs. 1.2%, p = 0.759). Even when hemodynamics were superior in the high-implantation group, with greater iEOA (1.01 cm
2 /m2 vs. 0.95 cm2 /m2 vs. 0.92 cm2 /m2 , p < 0.001), spontaneous embolization or after post-dilatation was more common. Low implantation was associated with a higher rate of associated pacemaker implantation (PPI) (6.1% vs. 8.8% vs. 14.8%, p = 0.001). Conclusions : Implantation with the ACURATE neo2 showed excellent hemodynamic results, including low gradients and a small number of relevant PVL, in line with a high technical success rate that was irrespective of the ID. A favorable outcome can also be achieved in accidental low or high positions. Low implantation was associated with a higher rate of associated pacemaker implantation. Deliberately high implantation should be avoided due to the risk of embolization.- Published
- 2024
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27. Outcomes of transfemoral TAVR using two new-generation devices in patients with horizontal aorta.
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Eckel C, Kim WK, Wasif B, Grothusen C, Elsässer A, Dohmen G, Charitos EI, Sossalla S, Möllmann H, and Blumenstein J
- Subjects
- Humans, Female, Treatment Outcome, Male, Aged, 80 and over, Aged, Time Factors, Risk Factors, Retrospective Studies, Catheterization, Peripheral adverse effects, Catheterization, Peripheral instrumentation, Recovery of Function, Punctures, Transcatheter Aortic Valve Replacement instrumentation, Transcatheter Aortic Valve Replacement adverse effects, Transcatheter Aortic Valve Replacement mortality, Aortic Valve Stenosis surgery, Aortic Valve Stenosis physiopathology, Aortic Valve Stenosis diagnostic imaging, Aortic Valve Stenosis mortality, Heart Valve Prosthesis, Prosthesis Design, Aortic Valve physiopathology, Aortic Valve surgery, Aortic Valve diagnostic imaging, Femoral Artery physiopathology, Hemodynamics, Severity of Illness Index
- Abstract
Background: Challenging anatomies and comorbidities have impact on success in transcatheter aortic valve replacement (TAVR). There is controversy whether the extent of the aortic angle (AA) has an impact on procedural outcomes. Matched comparative outcome data of new generation transcatheter heart valves (THVs) in horizontal aorta (HA) are scarce., Methods: A total of 1582 patients with severe native aortic stenosis (AS) treated with the SAPIEN3 Ultra (Ultra; n = 526) or ACURATE Neo2 (Neo2; n = 1056) THVs from January 2017 to January 2023 were analyzed. Patients with non-horizontal aortas (AA < 51.7°, n = 841) were excluded. The population was matched by 1-to-1 nearest-neighbor matching (Ultra, n = 246; Neo2, n = 246). Clinical and procedural outcome were evaluated according to VARC-3 recommendations., Results: Technical success (93.1% vs. 94.7%, p = 0.572) was high after Ultra and Neo2. Device success (80.5% vs. 89.8%, p = 0.05) was inferior with Ultra. Neo2 reveals superior hemodynamic properties with lower rate of severe prosthesis patient mismatch (12.0% vs. 3.7%, p = 0.001) and elevated gradients ( ≥ $\ge $ 20 mmHg: 11.9% vs. 1.7%, p < 0.001). Ultra showed a lower rate of relevant paravalvular regurgitation ( > $\gt $ mild paravalvular regurgitation or Valve-in-Valve due to paravalvular regurgitation: 0.0% vs. 3.7%, p = 0.004). The rate of procedural bailout maneuvers (0.8% vs. 0.4%, p = 1.000) and thirty-day all-cause mortality (1.3% vs. 2.2%, p = 0.496) was similar., Conclusion: Transfemoral TAVR in patients with severe aortic stenosis and HA, using the balloon expandable Sapien3 Ultra and self-expanding ACURATE Neo2 prosthesis, is feasible and safe. Therefore, valve selection between these platforms should be made irrespective of the aortic angle by a team experienced with both valves based on their specific advantages. Large, randomized trials in this sub-group of patients would be necessary to compare long term outcomes., (© 2024 The Author(s). Catheterization and Cardiovascular Interventions published by Wiley Periodicals LLC.)
- Published
- 2024
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28. Impact of Diabetes in Patients With Acute Myocardial Infarction Undergoing Coronary Artery Bypass Surgery Within 48 Hours.
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Huenges K, Rainer-Schmidt N, Panholzer B, Caliebe A, Hüttmann L, Kolat P, Thiem A, Attmann T, Fraund-Cremer S, Haneya A, Cremer J, and Grothusen C
- Subjects
- Humans, Male, Female, Retrospective Studies, Aged, Middle Aged, Time Factors, Risk Factors, Diabetes Mellitus, Type 2 complications, Survival Rate trends, Follow-Up Studies, Postoperative Complications epidemiology, Diabetes Mellitus, Type 1 complications, Risk Assessment methods, Coronary Artery Bypass adverse effects, Coronary Artery Bypass methods, Myocardial Infarction surgery, Myocardial Infarction epidemiology, Myocardial Infarction complications
- Abstract
Background: Diabetic patients with coronary artery disease may benefit from elective coronary artery bypass graft (CABG) surgery. It is unknown whether this merit is transferable to patients with acute myocardial infarction (AMI) undergoing surgery., Method: A total of 1,427 patients underwent CABG within 48 hours of being diagnosed with AMI at the current institution between 2001 and 2019. Of these patients, 206 (14.4%) had insulin-dependent diabetes mellitus (IDDM) and 148 (10.4%) had non-insulin dependent diabetes mellitus (NIDDM). Retrospective data analysis was performed., Results: Patients with NIDDM showed the highest perioperative risk profile, with a EuroScore II of 11.6 (±10.3) compared with 7.8 (±8.0) in non-diabetic patients and 8.4 (±7.8) in patients with IDDM (p<0.001). Sub-analysis demonstrated a higher proportion of non-ST-elevation myocardial infarction patients in the NIDDM cohort compared with the IDDM cohort (70.9% vs 56.8%; p=0.005). Postoperatively, NIDDM patients had more sepsis (p<0.01) and longer ventilation times (p<0.001) compared with non-DM and IDDM patients (p<0.01). Wound healing complications were rare, but almost twice as high in NIDDM patients compared with non-DM and IDDM patients (4.7% vs 0.9% vs 2.4%, respectively). The 30-day mortality was highest in the NIDDM cohort (18.3% vs 11.3% vs 7.8%; p=0.012). Analysis of survival for up to 15 years revealed a significantly reduced survival of diabetic patients compared with non-diabetic patients, with lowest survival rates in NIDDM patients (p<0.001)., Conclusions: Non-insulin dependent diabetes mellitus patients undergoing CABG within 48 hours of being diagnosed with AMI are at increased risk of short-term and long-term complications. Therefore, this particular group should undergo a careful evaluation concerning the expected risks and benefits of CABG in this setting., Competing Interests: Conflict of Interest No financial support and no conflict of interest., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)
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- 2024
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29. Early Outcomes of Two Large Mitral Valve Transcatheter Edge-to-Edge Repair Devices-A Propensity Score Matched Multicenter Comparison.
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von Stein P, Wienemann H, von Stein J, Sugiura A, Tanaka T, Kavsur R, Öztürk C, Weber M, Haurand JM, Horn P, Kister T, Mahabadi AA, Boeder N, Ruf T, Gerçek M, Mues C, Grothusen C, Novotny J, Weckbach L, Guthoff H, Rudolph F, Polzin A, Baldus S, Rassaf T, Thiele H, Möllmann H, Kelm M, Rudolph V, von Bardeleben RS, Nef H, Luedike P, Lurz P, Hausleiter J, Pfister R, and Mauri V
- Abstract
Background/Objectives: Previous trials reported comparable results with PASCAL and earlier MitraClip generations. Limited comparative data exist for more contemporary MitraClip generations, particularly the large MitraClip XT(R/W). We aimed to evaluate acute and 30-day outcomes in patients undergoing mitral valve transcatheter edge-to-edge repair (M-TEER) with one of the large devices, either PASCAL P10 or MitraClip XT(R/W) (3rd/4th generation). Methods: A total of 309 PASCAL-treated patients were matched by propensity score to 253 MitraClip-treated patients, resulting in 200 adequately balanced pairs. Procedural, clinical, and echocardiographic outcomes were collected for up to 30 days, including subgroup analysis for mitral regurgitation (MR) etiologies. Results : PASCAL and MitraClip patients were comparable regarding age (80 vs. 79 years), sex (female: 45.5% vs. 50.5%), and MR etiology (degenerative MR: n = 94, functional MR [FMR]: n = 96, mixed MR: n = 10 in each group). Technical success rates were comparable (96.5% vs. 96.0%; p > 0.999). At discharge, the mean gradient was higher (3.3 mmHg vs. 3.0 mmHg; p = 0.038), and the residual mitral valve orifice area was smaller in MitraClip patients (3.0 cm
2 vs. 2.3 cm2 ; p < 0.001). At discharge, the reduction to MR ≤ 2+ was comparable (92.4% vs. 87.8%; p = 0.132). However, reduction to MR ≤ 1+ was more frequently observed in PASCAL patients (67.7% vs. 56.6%; p = 0.029), driven by the FMR subgroup (74.0% vs. 60.0%; p = 0.046). No difference was observed in 30-day mortality ( p = 0.204) or reduction in NYHA-FC to ≤II ( p > 0.999). Conclusions : Both M-TEER devices exhibited high and comparable rates of technical success and MR reduction to ≤2+. PASCAL may be advantageous in achieving MR reduction to ≤1+ in patients with FMR.- Published
- 2024
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30. Transcriptomic Profile of Breast Tissue of Premenopausal Women Following Treatment with Progesterone Receptor Modulator: Secondary Outcomes of a Randomized Controlled Trial.
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Utjés D, Boggavarapu NR, Rasul MF, Koberg I, Zulliger A, Ponandai-Srinivasan S, von Grothusen C, Lalitkumar PG, Papaikonomou K, Alkasalias T, and Gemzell-Danielsson K
- Subjects
- Humans, Female, Adult, Breast metabolism, Breast drug effects, Breast pathology, Gene Expression Profiling, Receptors, Progesterone metabolism, Receptors, Progesterone genetics, Mifepristone pharmacology, Mifepristone therapeutic use, Premenopause, Transcriptome drug effects, Breast Neoplasms genetics, Breast Neoplasms drug therapy, Breast Neoplasms metabolism
- Abstract
Progesterone receptor antagonism is gaining attention due to progesterone's recognized role as a major mitogen in breast tissue. Limited but promising data suggest the potential efficacy of antiprogestins in breast cancer prevention. The present study presents secondary outcomes from a randomized controlled trial and examines changes in breast mRNA expression following mifepristone treatment in healthy premenopausal women. We analyzed 32 paired breast biopsies from 16 women at baseline and after two months of mifepristone treatment. In total, 27 differentially expressed genes were identified, with enriched biological functions related to extracellular matrix remodeling. Notably, the altered gene signature induced by mifepristone in vivo was rather similar to the in vitro signature. Furthermore, this gene expression signature was linked to breast carcinogenesis and notably linked with progesterone receptor expression status in breast cancer, as validated in The Cancer Genome Atlas dataset using the R2 platform. The present study is the first to explore the breast transcriptome following mifepristone treatment in normal breast tissue in vivo, enhancing the understanding of progesterone receptor antagonism and its potential protective effect against breast cancer.
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- 2024
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31. ACURATE neo2 Versus SAPIEN 3 Ultra Transcatheter Heart Valve in Severe Aortic Valve Calcification: A Propensity-Matched Analysis.
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Eckel C, Kim WK, Sötemann D, Grothusen C, Tiyerili V, Dohmen G, Renker M, Charitos EI, Hamm CW, Choi YH, Elsässer A, Möllmann H, and Blumenstein J
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- Humans, Male, Female, Aged, Aged, 80 and over, Treatment Outcome, Risk Factors, Time Factors, Risk Assessment, Retrospective Studies, Propensity Score, Recovery of Function, Balloon Valvuloplasty adverse effects, Hemodynamics, Aortic Valve Stenosis surgery, Aortic Valve Stenosis diagnostic imaging, Aortic Valve Stenosis physiopathology, Heart Valve Prosthesis, Aortic Valve surgery, Aortic Valve diagnostic imaging, Aortic Valve physiopathology, Aortic Valve pathology, Prosthesis Design, Transcatheter Aortic Valve Replacement adverse effects, Transcatheter Aortic Valve Replacement instrumentation, Severity of Illness Index, Calcinosis diagnostic imaging, Calcinosis surgery
- Abstract
Background: Comparative data on transcatheter self-expanding ACURATE neo2 (NEO2) and balloon-expandable SAPIEN 3 Ultra prostheses in technically challenging anatomy of severe aortic valve calcified aortic annuli are scarce., Methods: A total of 1987 patients with severe native aortic stenosis treated with the self-expanding NEO2 (n=1457) or balloon-expandable SAPIEN 3 Ultra (n=530) from January 2017 to April 2023 were evaluated. The primary end point was procedural outcome according to the Valve Academic Research Consortium 3 definitions. Propensity matching defined 219 pairs with severe calcification (calcium density cutoff, 758 AU/cm
2 ) of the native aortic valve., Results: Technical success (90.4% versus 91.8%; risk difference, 1.4% [95% CI, -4.4 to -7.2]; P =0.737) and device success at 30 days (80.8% versus 75.8%; risk difference, -5.0% [95% CI, -13.2 to 3.1]; P =0.246) were comparable between NEO2 and SAPIEN 3 Ultra. The rate of severe prosthesis-patient mismatch (1.1% versus 10.1%; risk difference, 10.0% [95% CI, 4.0-13.9]; P <0.001) and mean transvalvular gradient ≥20 mm Hg (2.8% versus 14.3%; risk difference, 11.5% [95% CI, 5.8-17.1]; P <0.001) was lower with NEO2. The rate of more-than-mild paravalvular leakage or valve-in-valve due to paravalvular leakage was significantly higher (6.2% versus 0.0%; risk difference, 6.2% [95% CI, -10.1 to -2.7]; P =0.002), and there was a tendency for a higher rate of device embolization or migration (1.8% versus 0.0%; risk difference, -1.8% [95% CI, -4.1 to 0.4]; P =0.123) with NEO2. Multivarate regression revealed no independent impact of transcatheter heart valve selection on device success (odds ratio, 0.93 [95% CI, 0.48-1.77]; P =0.817)., Conclusions: In patients with severely calcified annuli, supraannular implantation of NEO2 showed hemodynamic advantages. Nevertheless, NEO2 was associated with a higher incidence of relevant paravalvular leakage and a numerically higher rate of device embolization than SAPIEN 3 Ultra in this particular patient group., Competing Interests: Disclosures Dr Kim has received proctor fees and speaker honoraria from Boston Scientific, Edwards Lifesciences, Medtronic, and Abbott. Dr Möllmann has received proctor fees and speaker honoraria from Boston Scientific, Biotronik, and Abbott. Dr Blumenstein has received proctor fees and speaker honoraria from Boston Scientific and Abbott. Dr Hamm is an advisory board member of Medtronic. The other authors report no conflicts.- Published
- 2024
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32. Risk Assessment Of Coronary Obstruction For The ACURATE Transcatheter Heart Valve.
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Kim WK, Eckel C, Charitos EI, Renker M, Grothusen C, Choi YH, Hamm C, Blumenstein J, Sossalla S, and Möllmann H
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- Humans, Aortic Valve surgery, Risk Assessment, Treatment Outcome, Prosthesis Design, Transcatheter Aortic Valve Replacement adverse effects, Heart Valve Prosthesis, Aortic Valve Stenosis surgery
- Abstract
Competing Interests: Declaration of Competing Interest Dr. Kim reports personal fees from Abbott, Boston Scientific, Edwards Lifesciences, Meril Life Sciences, and Shockwave Medical; Dr. Blumenstein reports proctor fees from Boston Scientific; Dr. Choi reports speaker/proctor fees from Edwards Lifesciences, Cytosorbents, and Getinge; Dr. Charitos reports proctor fees from Boston Scientific; Dr. Möllmann reports proctor fees and/or speaker honoraria from Abbott, Biotronic, Edwards Lifesciences, and Boston Scientific. The remaining authors have no competing interests to declare.
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- 2024
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33. Case Report: The woman with the big heart-an imaging-guided attempt of surgical reduction.
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Huenges K, Langguth P, Grothusen C, Hoffmann G, Kapahnke J, Haneya A, Strotmann J, and Cremer J
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In a female patient with acute cardiac decompensation, an auxiliary finding of a giant left atrium emerged. The surgical therapy of the atrial reduction, in addition to a mitral valve replacement and a coronary artery bypass grafting, is hereby presented., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2024 Huenges, Langguth, Grothusen, Hoffmann, Kapahnke, Haneya, Strotmann and Cremer.)
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- 2024
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34. One-Year Outcomes According to Mitral Regurgitation Etiology Following Transcatheter Edge-to-Edge Repair With the PASCAL System: Results From a Multicenter Registry.
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von Stein P, Besler C, Riebisch M, Al-Hammadi O, Ruf T, Gerçek M, Grothusen C, Mehr M, Becher MU, Friedrichs K, Öztürk C, Baldus S, Guthoff H, Rassaf T, Thiele H, Nickenig G, Hausleiter J, Möllmann H, Horn P, Kelm M, Rudolph V, von Bardeleben RS, Nef HM, Luedike P, Lurz P, Pfister R, and Mauri V
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- Humans, Mitral Valve diagnostic imaging, Mitral Valve surgery, Treatment Outcome, Registries, Cardiac Catheterization adverse effects, Mitral Valve Insufficiency diagnostic imaging, Mitral Valve Insufficiency epidemiology, Mitral Valve Insufficiency etiology, Cardiac Surgical Procedures, Heart Valve Prosthesis Implantation adverse effects, Heart Valve Prosthesis Implantation methods
- Abstract
Background: We previously reported procedural and 30-day outcomes of a German early multicenter experience with the PASCAL system for severe mitral regurgitation (MR). This study reports 1-year outcomes of mitral valve transcatheter edge-to-edge repair with the PASCAL system according to MR etiology in a large all-comer cohort., Methods and Results: Clinical and echocardiographic outcomes up to 1-year were investigated according to MR etiology (degenerative [DMR], functional [FMR], or mixed [MMR]) in the first 282 patients with symptomatic MR 3+/4+ treated with the PASCAL implant at 9 centers in 2019. A total of 282 patients were included (33% DMR, 50% FMR, 17% MMR). At discharge, MR reduction to ≤1+/2+ was achieved in 58%/87% of DMR, in 75%/97% of FMR, and in 78%/98% of patients with MMR ( P =0.004). MR reduction to ≤1+/2+ was sustained at 30 days (50%/83% DMR, 67%/97% FMR, 74%/100% MMR) and at 1 year (53%/78% DMR, 75%/97% FMR, 67%/91% MMR) with significant differences between etiologies. DMR patients with residual MR 3+/4+ at 1-year had at least complex valve morphology in 91.7%. Valve-related reintervention was performed in 7.4% DMR, 0.7% FMR, and 0.0% MMR ( P =0.010). At 1-year, New York Heart Association Functional Class was significantly improved irrespective of MR etiology ( P <0.001)., Conclusions: In this large all-comer cohort, mitral valve transcatheter edge-to-edge repair with the PASCAL system was associated with an acute and sustained MR reduction at 1-year in all causes. However, in patients with DMR, MR reduction was less pronounced, reflecting the high incidence of complex or very complex anatomies being referred for mitral valve transcatheter edge-to-edge repair.
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- 2023
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35. Comparison of the New-Generation Self-Expanding NAVITOR Transcatheter Heart Valve with Its Predecessor, the PORTICO, in Severe Native Aortic Valve Stenosis.
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Eckel CE, Kim WK, Grothusen C, Tiyerili V, Elsässer A, Sötemann D, Schlüter J, Choi YH, Charitos EI, Renker M, Hamm CW, Dohmen G, Möllmann H, and Blumenstein J
- Abstract
Background: Third-generation transcatheter heart valves (THVs) are designed to improve outcomes. Data on the new intra-annular self-expanding NAVITOR are scarce., Aims: The aim of this analysis was to compare outcomes between the PORTICO and the NAVITOR systems., Methods: Data from 782 patients with severe native aortic stenosis treated with PORTICO ( n = 645) or NAVITOR ( n = 137) from 05/2012 to 09/2022 were evaluated. The clinical and hemodynamic outcomes of 276 patients (PORTICO, n = 139; NAVITOR, n = 137) were evaluated according to VARC-3 recommendations., Results: Rates of postprocedural more-than-mild paravalvular leakage (PVL) were significantly lower for NAVITOR than for PORTICO (7.2% vs. 1.5%, p = 0.041). In addition, severe bleeding rates (27.3% vs. 13.1%, p = 0.005) and major vascular complications (5.8% vs. 0.7%, p = 0.036) were lower in the NAVITOR group. The mean gradients (7 vs. 8 mmHg, p = 0.121) and calculated aortic valve areas (1.90 cm
2 vs. 1.99 cm2 , p = 0.235) were comparable. Rates of PPI were similarly high in both groups (15.3 vs. 21.6, p = 0.299)., Conclusions: The NAVITOR demonstrated favorable in-hospital procedural outcome data, with lower rates of relevant PVL, major vascular complications, and severe bleeding than its predecessor the PORTICO and preserved favorable hemodynamic outcomes.- Published
- 2023
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36. Prognostic Impact of the Get-with-the-Guidelines Heart-Failure Risk Score (GWTG-HF) after Transcatheter Aortic Valve Replacement in Patients with Low-Flow-Low-Gradient Aortic Valve Stenosis.
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Eckel C, Blumenstein J, Husser O, Sötemann D, Grothusen C, Schlüter J, Becher M, Nef H, Elsässer A, Nickenig G, Möllmann H, and Tiyerili V
- Abstract
Objectives: This study examined the prognostic value of the get-with-the-guidelines heart-failure risk score (GWTG-HF) on mortality in patients with low-flow-low-gradient aortic valve stenosis (LFLG-AS) after transcatheter aortic valve implantation (TAVI)., Background: Data on feasibility of TAVI and mortality prediction in the LFLG-AS population are scarce. Clinical risk assessment in this particular population is difficult, and a score has not yet been established for this purpose., Methods: A total of 212 heart failure (HF) patients with real LFLG-AS were enrolled. Patients were classified into low-risk ( n = 108), intermediate-risk ( n = 90) and high-risk ( n = 14) groups calculated by the GWTG-HF score. Clinical outcomes of cardiovascular events according to Valve Academic Research Consortium (VARC-2) recommendations and composite endpoint of death and hospitalization for heart failure (HHF) were assessed at discharge and 1 year of follow-up., Results: Baseline parameters of the groups showed a median age of 81.0 years [77.0; 84.0] (79.0 vs. 82.0 vs. 86.0, respectively p < 0.001), median EuroSCORE II of 6.6 [4.3; 10.7] (5.5 vs. 7.2 vs. 9.1, p = 0.004) and median indexed stroke volume of 26.7 mL/m
2 [22.0; 31.0] (28.2 vs. 25.8 vs. 25.0, p = 0.004). The groups significantly differed at follow-up in terms of all-cause mortality (10.2 vs. 21.1 vs. 28.6%; p < 0.035). There was no difference in intrahospital event rate (VARC). Postprocedural mean gradients were lower in high-risk group (7.0 vs. 7.0 vs. 5.0 mmHg, p = 0.011). No differences in postprocedural aortic valve area (1.9 vs. 1.7 vs. 1.9 cm2 , p = 0.518) or rate of device failure (5.6 vs. 6.8 vs. 7.7%, p = 0.731) could be observed. After adjustment for known predictors, the GWTG score (HR 1.07 [1.01-1.14], p = 0.030) as well as pacemaker implantation (HR 3.97 [1.34-11.75], p = 0.013) turned out to be possible predictors for mortality. An increase in stroke volume index (SVI) was, in contrast, protective (HR 0.90 [0.83-0.97]; p = 0.006)., Conclusions: The GWTG score may predict mortality after TAVI in LFLG-AS HF patients. Interestingly, all groups showed similar intrahospital event and mortality rates, independent of calculated mortality risk. Low SVI and new conduction disturbances associated with PPI after THV implantation had negative impact on mid-term outcome in post-TAVI HF-patients.- Published
- 2023
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37. Procedural Outcomes of a Self-Expanding Transcatheter Heart Valve in Patients with Porcelain Aorta.
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Eckel C, Blumenstein J, Grothusen C, Tiyerili V, Elsässer A, Dohmen G, Zeckzer A, Gaede L, Choi YH, Charitos EI, Hamm CW, Kim WK, Möllmann H, and Renker M
- Abstract
Background: Severe calcification of the ascending aorta increases the peri-operative risk for neurological complications in patients with severe aortic stenosis. Transcatheter aortic valve implantation (TAVI) seems to be an optimal treatment option in these patients. However, the impact of the extent of aortic calcification on procedural and neurological outcomes during TAVI is unclear., Methods: Data from 3010 patients with severe native aortic valve stenosis treated with ACURATE neo/neo2 from May 2012 to July 2022 were evaluated and matched by 2-to-1 nearest-neighbor matching to identify one patient with porcelain aorta (PA) ( n = 492) compared with two patients without PA ( n = 984). PA was additionally subdivided into circumferential (classic PA) ( n = 89; 3.0%) and non-circumferential (partial PA) ( n = 403; 13.4%) calcification. We compared outcomes according to VARC-3 criteria among patients with and without PA and identified predictors for occurrence of stroke in the overall population., Results: Technical success (88.5% vs. 87.4%, p = 0.589) and device success at 30 days (82.3% vs. 81.5%, p = 0.755) after transcatheter ACURATE neo/neo2 implantation according to VARC-3 definition was high and did not differ between non-calcified aortas or PA. The rate of in-hospital complications according to VARC-3-definitions was low in both groups. Rates of all stroke (3.2% ( n = 31) vs. 2.6% ( n = 13), p = 0.705) or transitory ischemic attacks (1.1% vs. 1.2%, p = 1.000) did not differ significantly. Thirty-day all-cause mortality did not differ (3.0% vs. 3.2%, RR 1.1; p = 0.775). Overall device migration/embolization (OR 5.0 [2.10;11.87]), severe bleeding (OR 1.79 [1.11;2.89]), and major structural cardiac complications (OR 3.37 [1.32;8.57]) were identified as independent predictors for in-hospital stroke in a multivariate analysis after implantation of ACURATE neo/neo2 ., Conclusion: A porcelain aorta does not increase the risk of neurological complications after transfemoral ACURATE neo/neo2 implantation. Based on these findings, transfemoral ACURATE neo/neo2 implantation is safe in these particularly vulnerable patients.
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- 2023
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38. Long-term follow-up of patients with complex coronary artery disease treated with minimally invasive direct coronary artery bypass.
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Fraund-Cremer S, Hoffmann G, Arndt J, Borzikowsky C, Huenges K, Thiem A, Haneya A, Panholzer B, Attmann T, Duemmler J, Cremer J, and Grothusen C
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- Humans, Coronary Artery Bypass methods, Follow-Up Studies, Treatment Outcome, Myocardial Revascularization methods, Coronary Artery Disease diagnostic imaging, Coronary Artery Disease surgery
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Background: Patients with complex coronary artery disease (CAD) may benefit from surgical myocardial revascularization but weighing the risk of peri-operative complications against the expected merit is difficult. Minimally invasive direct artery bypass (MIDCAB) procedures are less invasive, provide the prognostic advantage of operative revascularization of the left anterior descending artery and may be integrated in hybrid strategies. Herein, the outcomes between patients with coronary 1-vessel disease (1-VD) and patients with 2-VD and 3-VD after MIDCAB procedures were compared in this single-center study., Methods: Between 1998 and 2018, 1363 patients underwent MIDCAB at the documented institution. 628 (46.1%) patients had 1-VD, 434 (31.9%) patients 2-VD and 300 (22.0%) patients suffered from 3-VD. Data of patients with 2-VD, and 3-VD were pooled as multi-VD (MVD)., Results: Patients with MVD were older (66.2 ± 10.9 vs. 62.9 ± 11.2 years; p < 0.001) and presented with a higher EuroScore II (2.10 [0.4; 34.2] vs. 1.2 [0.4; 12.1]; p < 0.001). Procedure time was longer in MVD patients (131.1 ± 50.3 min vs. 122.2 ± 34.5 min; p < 0.001). Post-operatively, MVD patients had a higher stroke rate (17 [2.3%] vs. 4 [0.6%]; p = 0.014). No difference in 30-day mortality was observed (12 [1.6%] vs. 4 [0.6%]; p = 0.128). Survival after 15 years was significantly lower in MVD patients (p < 0.01). Hybrid procedures were planned in 295 (40.2%) patients with MVD and realized in 183 (61.2%) cases. MVD patients with incomplete hybrid procedures had a significantly decreased long-term survival compared to cases with complete revascularization (p < 0.01)., Conclusions: Minimally invasive direct coronary artery bypass procedures are low-risk surgical procedures. If hybrid procedures have been planned, completion of revascularization should be a major goal.
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- 2023
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39. Early Outcomes of 2 Mitral Valve Transcatheter Leaflet Approximation Devices: A Propensity Score-Matched Multicenter Comparison.
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Mauri V, Sugiura A, Spieker M, Iliadis C, Horn P, Öztürk C, Besler C, Riebisch M, Al-Hammadi O, Ruf T, Gerçek M, Grothusen C, Mehr M, Becher MU, Mues C, Boeder N, Kreidel F, Friedrichs K, Westenfeld R, Braun D, Baldus S, Rassaf T, Thiele H, Nickenig G, Hausleiter J, Möllmann H, Kelm M, Rudolph V, von Bardeleben RS, Nef HM, Luedike P, Lurz P, and Pfister R
- Subjects
- Humans, Mitral Valve diagnostic imaging, Mitral Valve surgery, Stroke Volume, Propensity Score, Ventricular Function, Left, Treatment Outcome, Cardiac Catheterization adverse effects, Mitral Valve Insufficiency diagnostic imaging, Mitral Valve Insufficiency surgery, Mitral Valve Insufficiency etiology, Heart Valve Prosthesis Implantation adverse effects
- Abstract
Background: In addition to the edge-to-edge MitraClip repair system, the edge-to-spacer PASCAL repair system was approved for percutaneous treatment of severe mitral regurgitation (MR). Comparative data are lacking., Objectives: The aim of this study was to compare procedural and short-term safety and efficacy of 2 leaflet-based transcatheter mitral valve repair systems., Methods: Procedural and 30-day outcomes were investigated in a propensity score-matched cohort of 307 PASCAL and 307 MitraClip patients at 10 sites. Matching criteria included sex, age, left ventricular ejection fraction, New York Heart Association functional class, MR etiology, left ventricular end-diastolic diameter, left atrial volume index, and vena contracta width. The primary efficacy endpoints were technical success and degree of residual MR at discharge. The primary safety endpoint was the rate of major adverse events (MAE)., Results: Technical success was 97.0% in the PASCAL group and 98.0% in the MitraClip group (P = 0.624). MR ≤2+ at discharge was comparable in both groups (PASCAL: 93.8% vs MitraClip: 92.4%; P = 0.527), with more patients exhibiting MR ≤1+ in the PASCAL group (70.5% vs 56.6%; P < 0.001). The postprocedural mean gradient was significantly higher in the MitraClip group (3.3 ± 1.5 mm Hg vs 3.9 ± 1.7 mm Hg; P < 0.001). At 30 days, all-cause mortality and MAE rates were similar (mortality: 1.7% vs 3.3%; P = 0.299; MAE: 3.9% vs 5.2%; P = 0.562)., Conclusions: In this first large propensity score-matched comparison, procedural success rates and MAE did not differ significantly between patients treated with the PASCAL or MitraClip valve repair system. Procedural results with less than moderate MR and no elevated transmitral gradient were more common in the PASCAL group, which might have an impact on long-term outcome., Competing Interests: Funding Support and Author Disclosures Dr Iliadis has received travel support from Abbott; and has received consultant honoraria from Abbott and Edwards Lifesciences. Dr Hausleiter has received research grants and speaker honoraria from Abbott Cardiovascular and Edwards Lifesciences. Dr Lurz has received institutional fees and research grants from Abbott Cardiovascular, Edwards Lifesciences, and Medtronic. Dr Möllmann has received speaker honoraria from Abbott Cardiovascular and Edwards Lifesciences. Dr Rudolph has received research grants and consulting honoraria from Edwards Lifesciences. Dr von Bardeleben has received consulting and lecture honoraria from Abbott Cardiovascular, Boehringer Ingelheim, Edwards Lifesciences, NeoChord, and Medtronic. Dr Nef has received speaker and consulting honoraria from Abbott Vascular and Edwards Lifesciences. Dr Luedike has received consulting and lecture honoraria from Edwards Lifesciences. Drs Pfister and Baldus have received consulting honoraria from Edwards Lifesciences. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose., (Copyright © 2022 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.)
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- 2022
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40. Sizing Considerations of the ACURATE Transcatheter Heart Valve Platform: Insights From 2,865 Patients.
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Charitos EI, Renker M, Eckel C, Grothusen C, Tiyerili V, Choi YH, Hamm CW, Möllmann H, Blumenstein J, and Kim WK
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- Humans, Treatment Outcome, Heart Valves
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- 2022
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41. [Future of interventional cardiology : Does everything revolve around AI and robotics?]
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Sötemann D, Grothusen C, and Möllmann H
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- Humans, Tomography, Optical Coherence methods, Coronary Angiography, Coronary Artery Disease diagnostic imaging, Coronary Artery Disease surgery, Robotics methods, Plaque, Atherosclerotic, Cardiology
- Abstract
In recent years, software-assisted imaging systems, such as computed tomography, have contributed to the improvement of noninvasive options for the diagnostics of coronary heart disease (CHD). In addition, the possibilities of individual morphological and functional atherosclerotic plaque evaluation could be further refined, e.g. by the use of optical coherence tomography or the quantitative flow ratio (QFR). Due to the development of robotic-assisted catheter systems, it has been possible to make coronary interventions more precise and with less radiation exposure for the examiner. It is to be expected that in the future even better algorithms will be developed by the analysis of very large amounts of data. These will enable a more exact, dynamic and personalized prediction of, e.g. treatment success or individual risk profiles, in order to positively and sustainably influence the treatment of patients with cardiovascular diseases., (© 2022. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)
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- 2022
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42. Comparison of the Acurate Neo Vs Neo2 Transcatheter Heart Valves.
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Kim WK, Eckel C, Renker M, Grothusen C, Tiyerili V, Soetemann D, Choi YH, Hamm CW, Möllmann H, Charitos EI, and Blumenstein J
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- Humans, Aortic Valve surgery, Prosthesis Design, Retrospective Studies, Treatment Outcome, Aortic Valve Stenosis surgery, Heart Valve Prosthesis, Transcatheter Aortic Valve Replacement
- Abstract
Background: Few data exist on immediate outcomes of the next-generation Acurate neo2 prosthesis (Boston Scientific), which is distinguished by an active sealing mechanism. We sought to determine procedural outcomes of transfemoral transcatheter aortic valve replacement using the neo2 in comparison with its predecessor, the Acurate neo., Methods: In this retrospective analysis, consecutive neo2 and neo cases were compared from 2 high-volume centers. The primary outcome of interest was the rate of relevant paravalvular regurgitation (PVR), defined as PVR ≥ moderate, or valve-in-valve and/or surgical aortic valve replacement for PVR ≥ moderate. Secondary outcomes of interest were assessed according to Valve Academic Research Consortium (VARC)-3 criteria. Logistic regression analysis was used to identify predictors of relevant PVR., Results: A total of 810 neo2 and 2055 neo cases comprised the study cohort. The rate of relevant PVR was significantly lower in the neo2 group (2.7% vs 4.5%; P=.04). The technical success rate was numerically higher in the neo2 group (91.5% vs 89.3%; P=.10) and the rate of device success at 30 days was significantly higher (86.5% vs 82.9%; P=.02). In the neo group, a greater amount of aortic valve calcification (AVC), the presence of eccentric AVC, less oversizing, and a higher sinotubular junction annulus index were predictors of relevant PVR, whereas in the neo2 population only the presence of eccentric AVC, less oversizing, and a higher sinotubular junction annulus index was predictive., Conclusion: The neo2 valve shows superior outcomes over the neo valve, with a lower burden of PVR and a higher device success rate at 30 days.
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- 2022
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43. Procedural Outcomes of a Self-Expanding Transcatheter Heart Valve in Small Annuli.
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Eckel C, Sötemann D, Kim WK, Grothusen C, Tiyerili V, Dohmen G, Renker M, Charitos E, Hamm CW, Choi YH, Möllmann H, and Blumenstein J
- Abstract
Background: Self-expanding transcatheter valves (THV) seem superior to balloon-expanding valves in regard to the incidence of prosthesis-patient mismatch (PPM). Data on the occurrence of PPM with the ACURATE neo/neo2 system as a representative of self-expanding prostheses in very small annuli, even below the applicable instructions for use (IFU), are scarce., Methods: Data from 654 patients with severe native aortic stenosis treated with the smallest size ACURATE neo/neo2 valve (size S, 23 mm) at two German high-volume centers from 06/2012 to 12/2021 were evaluated. We compared clinical and hemodynamic outcomes among patients with implantation in adherence to the recommended sizing (on-label n = 529) and below the recommended sizing range (off-label n = 125) and identified predictors for PPM in the overall population. BMI-adjusted PPM was defined according to VARC-3 recommendations., Results: Post-procedure, the mean gradient (10.0 mmHg vs. 9.0 mmHg, p = 0.834) and the rate of paravalvular leakage (PVL) ≥ moderate (3.2% vs. 2.8%, p = 0.770) were similar between on-label and off-label implantations. The rate of moderate to severe PPM (24%) was comparably low in ACURATE neo/neo2 S, with a very low proportion of severe PPM whether implanted off- or on-label (4.9% vs. 3.8%, p = 0.552). Thirty-day all-cause mortality was higher among patients with off-label implantations (6.5% vs. 2.3%, p = 0.036). In the subgroup of these patients, no device-related deaths occurred, and cardiac causes did not differ (each 5). Besides small annulus area and high BMI, a multivariate analysis identified a greater cover index (OR 3.26), deep implantation (OR 2.25) and severe calcification (OR 2.07) as independent predictors of PPM., Conclusions: The ACURATE neo/neo2 S subgroup shows a convincing hemodynamic outcome according to low mean gradient even outside the previous IFUs without a relevant increase in the rate of PVL or PPM. In addition to known factors such as annulus area and BMI, potential predictors for PPM are severe annulus calcification and implantation depth. Nevertheless, the ACURATE neo/neo2 system seems to be a reliable option in patients with very small annuli.
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- 2022
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44. Prognostic impact of secondary prevention after coronary artery bypass grafting-insights from the TiCAB trial.
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Heer T, von Scheidt M, Boening A, Heyken C, Gusmini F, de Waha A, Kuna C, Fach A, Grothusen C, Oberhoffer M, Knosalla C, Walther T, Danner BC, Misfeld M, Wimmer-Greinecker G, Siepe M, Grubitzsch H, Joost A, Schaefer A, Conradi L, Cremer J, Hamm C, Lange R, Radke PW, Schulz R, Laufer G, Grieshaber P, Attmann T, Schmoeckel M, Meyer A, Ziegelhöffer T, Hambrecht R, Sandner SE, Kastrati A, Schunkert H, and Zeymer U
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- Humans, Prognosis, Secondary Prevention, Ticagrelor, Treatment Outcome, Coronary Artery Bypass adverse effects, Coronary Artery Disease surgery
- Abstract
Objectives: There are disparities in the adherence to guideline-recommended therapies after coronary artery bypass graft (CABG). We therefore sought to evaluate the effect of guideline-adherent medical secondary prevention on 1-year outcome after CABG., Methods: Data were taken from the randomized 'Ticagrelor in CABG' trial. From April 2013 until April 2017, patients who underwent CABG were included. For the present analysis, we compared patients who were treated with optimal medical secondary prevention with those where 1 or more of the recommended medications were missing., Results: Follow-up data at 12 months were available in 1807 patients. About half (54%) of them were treated with optimal secondary prevention. All-cause mortality [0.5% vs 3.5%, hazard ratio (HR) 0.14 (0.05-0.37), P < 0.01], cardiovascular mortality [0.1% vs 1.7%, HR 0.06 (0.01-0.46), P = 0.007] and major adverse events [6.5% vs 11.5%, HR 0.54 (0.39-0.74), P < 0.01] were significantly lower in the group with optimal secondary prevention. The multivariable model for the primary end point based on binary concordance to guideline recommended therapy identified 3 independent factors: adherence to guideline recommended therapy [HR 0.55 (0.39-0.78), P < 0.001]; normal renal function [HR 0.99 (0.98-0.99), P = 0.040]; and off-pump surgery [HR 2.06 (1.02-4.18), P = 0.045]., Conclusions: Only every second patient receives optimal secondary prevention after CABG. Guideline adherent secondary prevention therapy is associated with lower mid-term mortality and less adverse cardiovascular events after 12 months., (© The Author(s) 2022. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.)
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- 2022
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45. Transcatheter-based aortic valve replacement vs. isolated surgical aortic valve replacement in 2020.
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Gaede L, Blumenstein J, Eckel C, Grothusen C, Tiyerili V, Sötemann D, Nef H, Elsässer A, Achenbach S, and Möllmann H
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- Aortic Valve surgery, Germany epidemiology, Humans, Pandemics, Risk Factors, Treatment Outcome, Aortic Valve Stenosis, COVID-19, Heart Valve Prosthesis Implantation methods, Transcatheter Aortic Valve Replacement methods
- Abstract
Background: Based on the results of several recent randomized trials, European and American guidelines on valvular heart disease management have substantially expanded the indications for transcatheter aortic valve implantation (TAVI). We present an all-comer data on peri-operative risk profile and in-hospital outcomes from Germany for patients treated by TAVI or isolated surgical aortic valve replacement (iSAVR) in 2020, providing an opportunity to compare study data with data from daily clinical practice., Methods: Data concerning all isolated aortic valve procedures performed in Germany in 2020 were retrieved from the mandatory nationwide quality control program. Expected mortality was calculated with the annually revised German Aortic valve score (AKL-score) based on the data of either catheter-based (AKL-CATH) or isolated surgical (AKL-CHIR) aortic valve replacement in Germany from the previous year (2019)., Results: In 2020 21,903 TAVI procedures (20,810 transvascular (TV; vs. 2019: 22.973; - 9.4%), 1093 transapical (TA; vs. 2019: 1413; - 22.6%)) and 6144 (vs. 2019 7905; - 22.5%) iSAVR were performed in Germany. Patients who received TAVI showed a significantly higher perioperative risk profile than patients undergoing iSAVR based on older age and more severe co-morbidities. While in-hospital mortality after TAVI (2.3%) was numerically lower than in 2019 (2.5%), this difference was not significant (p = 0.11). In-hospital mortality after iSAVR was identical in 2020 and 2019 (2.8%) and thus higher than after TAVI (p = 0.003), resulting in an observed expected mortality ratio of 1.02 after TAVI and 1.05 after iSAVR. After exclusion of the emergency procedures, in-hospital mortality did not differ significantly between the groups (TAVI 2.2% vs. iSAVR 1.9%, p = 0.26)., Conclusion: Total numbers of both iSAVR and TAVI in Germany were lower in 2020 than in 2019, most likely due to the COVID-19 pandemic. However, the relative number of patients treated by TAVI as compared to iSAVR continues to increase. Despite older age and more severe comorbidities compared to patients undergoing iSAVR the in-hospital mortality after TAVI continued to decrease in 2020 and remains significantly lower than after iSAVR., (© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany.)
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- 2022
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46. Outcome after surgical embolectomy for acute pulmonary embolism.
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Panholzer B, Gravert H, Borzikowsky C, Huenges K, Schoettler J, Schoeneich F, Attmann T, Haneya A, Frank D, Cremer J, and Grothusen C
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- Acute Disease, Embolectomy adverse effects, Embolectomy methods, Humans, Middle Aged, Retrospective Studies, Treatment Outcome, Pulmonary Embolism diagnostic imaging, Pulmonary Embolism surgery, Thrombolytic Therapy adverse effects
- Abstract
Aims: Patients with pulmonary embolism (PE) and contraindications for or failed thrombolysis are at the highest risk for PE-related fatal events. These patients may benefit from surgical embolectomy, but data concerning this approach are still limited., Methods: The method used here was retrospective data analysis of 103 patients who underwent surgical embolectomy from 2002 to 2020 at our department., Results: Mean age was 58.4 (±15.1) years. Fifty-eight (56.3%) patients had undergone recent surgery; the surgery was tumor associated in 32 (31.1%) cases. Thirty (29.1%) patients had to be resuscitated due to PE, and 13 (12.6%) patients underwent thrombolysis prior to pulmonary embolectomy. Fifteen (14.5%) patients were placed on extra corporeal membrane oxygenation (ECMO) peri-operatively. Five patients (4.9%) died intra-operatively. Neurological symptoms occurred in four patients (3.9%). Thirty-day mortality was 23.3% ( n = 24). Re-thoracotomy due to bleeding was necessary in 12 (11.6%) patients. This parameter was also identified as an independent risk factor for mortality., Conclusion: Surgical pulmonary embolectomy resulted in survival of the majority of patients with PE and contraindications for or failed thrombolysis. Given the excessive mortality when left untreated, an operative approach should become a routine part of discussions concerning alternative treatment options for these patients., (Copyright © 2022 Italian Federation of Cardiology - I.F.C. All rights reserved.)
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- 2022
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47. Multi-Center Comparison of Two Self-Expanding Transcatheter Heart Valves: A Propensity Matched Analysis.
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Blumenstein J, Eckel C, Husser O, Kim WK, Renker M, Choi YH, Hamm CW, Al-Terki H, Sötemann D, Körbi L, Tiyerili V, Grothusen C, Gaede L, Dohmen G, and Möllmann H
- Abstract
Background: During the last years, several transcatheter aortic heart valves entered the clinical market and are commercially available. The prostheses differ regarding several technical and functional aspects. However, little is known regarding head-to-head comparative data of the ACURATE neo and the PORTICO valve prostheses., Objectives: The aim of this study was to compare two self-expanding transcatheter aortic heart valves (THV), the ACURATE neo and the PORTICO, with regard to in-hospital and 30-day outcomes, as well as early device failures., Methods: A total of 1591 consecutive patients with severe native aortic valve stenosis from two centers were included in the analyses and matched by 1:1 nearest neighbor matching to identify one patient treated with PORTICO ( n = 344) for each patient treated with ACURATE neo ( n = 344)., Results: In-hospital complications were comparable between both valves, including any kind of stroke (ACURATE neo = 3.5% vs. PORTICO = 3.8%; p = 1.0), major vascular complications (ACURATE neo = 4.5% vs. PORTICO = 5.4%; p = 0.99) or life-threatening bleeding (ACURATE neo = 1% vs. PORTICO = 2%; p = 0.68). The rate of device failure defined by the VARC-2 criteria were comparable, including elevated gradients and moderate-to-severe paravalvular leakage (ACURATE neo = 7.3% vs. PORTICO = 7.6%; p = 1.0). However, the need for permanent pacemaker implantation (PPI) was significantly more frequent after the use of PORTICO THV (9.5% vs. 18.7%; p = 0.002)., Conclusions: In this two-center case-matched comparison, short-term clinical and hemodynamic outcomes showed comparable results between PORTICO and ACURATE neo prostheses. However, PORTICO was associated with a significant higher incidence of PPI.
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- 2022
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48. Coronary Artery Bypass Grafting in Patients with Acute Myocardial Infarction and Cardiogenic Shock.
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Grothusen C, Friedrich C, Ulbricht U, Meinert J, Attmann T, Huenges K, Borzikowsky C, Haneya A, Schoettler J, and Cremer J
- Abstract
Objective: Acute myocardial infarction (AMI) complicated by cardiogenic shock (CS) remains associated with a high rate of mortality and disabling morbidity. Coronary artery bypass grafting (CABG) is seldom considered in this setting due to the fear of peri-operative complications. Here, we analysed the outcome of CS patients undergoing CABG within 48 hours after diagnosed with AMI., Methods: A single-center, retrospective data analysis was performed in 220 AMI patients with CS that underwent CABG within 48 hours between 01/2001 and 01/2018., Results: 141 patients were diagnosed with ST-elevation myocardial infarction (STEMI), 79 with non-STEMI (NSTEMI). Median age was 67 (60; 72) for STEMI, and 68 (60.8; 75.0) years for NSTEMI patients ( p = 0.190). 52.5% of STEMI patients and 39.2% of NSTEMI patients had suffered from cardiac arrest (CA) pre-operatively ( p = 0.049). Coronary 3-vessel disease was present in most patients (78.0% STEMI vs 83.5% NSTEMI; p = 0.381). Percutaneous coronary interventions (PCI) were performed in 32.6% STEMI and 27.8% NSTEMI patients ( p = 0.543) prior to surgery. Time from diagnosis to surgery was shorter in STEMI patients (3.92 (2.67; 5.98) vs 7.50 (4.78; 16.74) hours; p < 0.001). A complete revascularization was achieved in 82.3% of STEMI and 73.4% of NSTEMI cases ( p = 0.116). Post-operative low cardiac output occurred in 14.2% of STEMI vs 8.9% of NSTEMI patients ( p = 0.289). The rate of cerebrovascular injury-including hypoxic brain damage was 12.1% for STEMI and 10.1% among NSTEMI patients. ( p = 0.825). 30-day mortality was 32.6% after STEMI vs 31.6% in NSTEMI cases ( p = 0.285)., Conclusions: In contrast to the discouraging data concerning the role of PCI in AMI patients with CS and complex coronary artery disease, CABG may represent a treatment option worth considering., Competing Interests: The authors declare no conflict of interest., (Copyright: © 2022 The Author(s). Published by IMR Press.)
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- 2022
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49. Latest Advances in Transcatheter Aortic Valve Implantation (2022).
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Tiyerili V, Sötemann D, Grothusen C, Eckel C, Becher MU, Blumenstein J, Nef H, and Möllmann H
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- Aortic Valve diagnostic imaging, Aortic Valve surgery, Fibrinolytic Agents, Humans, Risk Factors, Treatment Outcome, Aortic Valve Stenosis diagnostic imaging, Aortic Valve Stenosis surgery, Heart Valve Prosthesis adverse effects, Heart Valve Prosthesis Implantation methods, Transcatheter Aortic Valve Replacement methods
- Abstract
Since the last decade, transcatheter aortic valve implantation (TAVI) has become the treatment of choice in patients with symptomatic severe aortic stenosis (AS) who are ineligible or at higher risk for surgery. Due to the high safety profile of current device generation, TAVI has emerged as a qualified alternative to surgical aortic valve replacement (SAVR) in patients with classic aortic stenosis and intermediate surgical risk, severe bicuspid aortic valve stenosis, and isolated pure aortic regurgitation. Moderate aortic stenosis, with and without concomitant heart failure with reduced ejection fraction, are under investigation in randomized controlled clinical trials from which we will gain exciting insights on the best timing of TAVI to protect the left ventricle from further functional deterioration due to increasing AS. In these cases, a meticulous diagnostic approach including advanced imaging is becoming more and more important. Current evidence on antithrombotic strategies after TAVI is weak, contributing to poor levels of standardization and high variability in daily clinical practice. This review will provide a short overview of recent clinical trials including best timing for TAVI with moderate AS and antithrombotic strategies after TAVI with current and future TAVI generations.
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- 2022
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50. Uterine fluid microRNAs are dysregulated in women with recurrent implantation failure.
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von Grothusen C, Frisendahl C, Modhukur V, Lalitkumar PG, Peters M, Faridani OR, Salumets A, Boggavarapu NR, and Gemzell-Danielsson K
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- Case-Control Studies, Embryo Implantation genetics, Endometrium metabolism, Female, Humans, Infertility, Female genetics, Infertility, Female metabolism, Infertility, Female therapy, MicroRNAs genetics, MicroRNAs metabolism
- Abstract
Study Question: Is the composition of microRNAs (miRNAs) in uterine fluid (UF) of women with recurrent implantation failure (RIF) different from that of healthy fertile women?, Summary Answer: The composition of miRNAs in UF of women with RIF is different from that of healthy fertile women and the dysregulated miRNAs are associated with impaired endometrial receptivity and embryo implantation., What Is Known Already: It has previously been demonstrated that the miRNAs secreted from endometrial cells into the UF contribute to the achievement of endometrial receptivity. Endometrial miRNAs are dysregulated in women with RIF., Study Design, Size, Duration: In this descriptive laboratory case-control study, miRNA abundancy was compared between UF collected during implantation phase from healthy fertile women (n = 17) and women with RIF (n = 34), which was defined as three failed IVF cycles with high-quality embryos., Participants/materials, Setting, Methods: Recruitment of study subjects and sampling of UF were performed at two university clinics in Stockholm, Sweden and Tartu, Estonia. The study participants monitored their menstrual cycles using an LH test kit. The UF samples were collected on Day LH + 7-9 by flushing with saline. Samples were processed for small RNA sequencing and mapped for miRNAs. The differential abundance of miRNAs in UF was compared between the two groups using differential expression analysis (DESeq2). Further downstream analyses, including miRNA target gene prediction (miRTarBase), Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis (g:Profiler) and external validation using relevant published data, were performed on the dysregulated miRNAs. Two miRNAs were technically validated with quantitative real-time PCR (RT-PCR)., Main Results and the Role of Chance: After processing of the sequencing data, there were 15 samples in the healthy fertile group and 33 samples in the RIF group. We found 61 differentially abundant UF miRNAs (34 upregulated and 27 downregulated) in RIF compared to healthy women with a false discovery rate of <0.05 and a fold change (FC) of ≤-2 or ≥2. When analyzed with published literature, we found that several of the differentially abundant miRNAs are expressed in endometrial epithelial cells and have been reported in endometrial extracellular vesicles and in association with endometrial receptivity and RIF. Their predicted target genes were further expressed both in the trophectodermal cells of blastocyst-stage embryos and endometrial mid-secretory epithelial cells, as assessed by publicly available single-cell transcriptome-sequencing studies. Pathway analysis further revealed that 25 pathways, having key roles in endometrial receptivity and implantation, were significantly enriched. Hsa-miR-486-5p (FC -20.32; P-value = 0.004) and hsa-miR-92b-3p (FC -9.72; P-value = 0.004) were successfully technically validated with RT-PCR., Large Scale Data: The data are available in Gene Expression Omnibus (GEO) at https://www.ncbi.nlm.nih.gov/geo/ with GEO accession number: GSE173289., Limitations, Reasons for Caution: This is a descriptive study with a limited number of study participants. Moreover, the identified differentially abundant miRNAs should be validated in a larger study cohort, and the predicted miRNA target genes and enriched pathways in RIF need to be confirmed and further explored in vitro., Wider Implications of the Findings: RIF is a major challenge in the current IVF setting with no diagnostic markers nor effective treatment options at hand. For the first time, total miRNAs have been extensively mapped in receptive phase UF of both healthy women with proven fertility and women diagnosed with RIF. Our observations shed further light on the molecular mechanisms behind RIF, with possible implications in future biomarker and clinical treatment studies., Study Funding/competing Interest(s): This work was financially supported by the Swedish Research Council (2017-00932), a joint grant from Region Stockholm and Karolinska Institutet (ALF Medicine 2020, FoUI-954072), Estonian Research Council (PRG1076), Horizon 2020 innovation (ERIN, EU952516) and European Commission and Enterprise Estonia (EU48695). The authors have no competing interests to declare for the current study., (© The Author(s) 2022. Published by Oxford University Press on behalf of European Society of Human Reproduction and Embryology.)
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- 2022
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