20 results on '"Mrochen, Anne"'
Search Results
2. Individual participant data analysis comparing acute stroke patients with anterior versus posterior circulation dissections
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Zhang, Yanan, Zhang, Yang, Froehlich, Kilian, Mrochen, Anne, Muehlen, Iris, Lang, Stefan, Lehmann, Sophie, Gerner, Stefan T., Huttner, Hagen B., Schwab, Stefan, He, Li, and Bobinger, Tobias
- Published
- 2024
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3. Influence of bundled care treatment on functional outcome in patients with intracerebral hemorrhage.
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Mrochen, Anne, Yu Song, Harders, Verena, Sembill, Jochen A., Sprügel, Maximilian I., Hock, Stefan, Lang, Stefan, Engelhorn, Tobias, Kallmünzer, Bernd, Volbers, Bastian, and Kuramatsu, Joji B.
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SYSTOLIC blood pressure ,BLOOD pressure ,CEREBRAL hemorrhage ,GLYCEMIC control ,BODY temperature - Abstract
Background and aims: General guideline recommendations in patients with intracerebral hemorrhage (ICH) include blood pressure-, temperature- and glucose management. The therapeutic effect of such a "care bundle" (blood pressure lowering, glycemic control, and treatment of pyrexia) on clinical outcomes becomes increasingly established. For the present study, we aimed to investigate associations of strict bundled care treatment (BCT) with clinical outcomes and characterize associations with key outcome effectors such as hematoma enlargement (HE) and peak perihemorrhagic edema (PHE). Methods: We screened consecutive ICH patients (n = 1,322) from the prospective UKER-ICH cohort study. BCT was defined as achieving and maintaining therapeutic ranges for systolic blood pressure (110-160 mmHg), glucose (80-180 mg/dL), and body temperature (35.5-37.5°C) over the first 72 h. The primary outcome was the functional outcome at 12 months (modified Rankin Scale (mRS) 0-3). Secondary outcomes included mortality at 12 months, the occurrence of hematoma enlargement, and the development of peak perihemorrhagic edema. Confounding was addressed by a doubly robust methodology to calculate the absolute treatment effect (ATE) and by calculating e-values. Results: A total of 681 patients remained for analysis, and 182 patients fulfilled all three BCT criteria and were compared to 499 controls. The ATE of BCT to achieve the primary outcome was 9.3%, 95% CI (1.7 to 16.9), p < 0.001; e-value: 3.1, CI (1.8). Mortality at 12 months was significantly reduced by BCT [ATE: -12.8%, 95% CI (-19.8 to -5.7), p < 0.001; e-value: 3.8, CI (2.2)], and no association was observed for HE or peak PHE. Significant drivers of BCT effect on the primary outcome were systolic blood pressure control (ATE: 15.9%) and maintenance of normothermia (ATE: 10.9%). Conclusion: Strict adherence to this "care bundle" over the first 72 h during acute hospital care in patients with ICH was independently associated with improved functional long-term outcome, driven by systolic blood pressure control and maintenance of normothermia. Our findings strongly warrant prospective validation to determine the generalizability especially in Western countries. [ABSTRACT FROM AUTHOR]
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- 2024
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4. Invasiveness and Clinical Outcomes of Off-Hour Admissions in Patients with Intracerebral Hemorrhage
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Mrochen, Anne, Sprügel, Maximilian I., Gerner, Stefan T., Madžar, Dominik, Kuramatsu, Joji B., Hoelter, Philip, Lücking, Hannes, Schwab, Stefan, and Huttner, Hagen B.
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- 2020
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5. Neutrophil-to-lymphocyte ratio is associated with increased cerebral blood flow velocity in acute bacterial meningitis
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Giede-Jeppe, Antje, Atay, Selim, Koehn, Julia, Mrochen, Anne, Luecking, Hannes, Hoelter, Philip, Volbers, Bastian, Huttner, Hagen B., Hueske, Lena, and Bobinger, Tobias
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- 2021
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6. Association of non-contrast CT markers with long-term functional outcome in deep intracerebral hemorrhage.
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Kölbl, Kathrin, Hock, Stefan W., Mingming Xu, Sembill, Jochen A., Mrochen, Anne, Balk, Stefanie, Lang, Stefan, Volbers, Bastian, Engelhorn, Tobias, Kallmünzer, Bernd, and Kuramatsu, Joji B.
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CEREBRAL hemorrhage ,CLINICAL deterioration ,BASAL ganglia ,BLACK holes ,DATABASES - Abstract
Objective: Hematoma expansion (HE) is the most important therapeutic target during acute care of patients with intracerebral hemorrhage (ICH). Imaging biomarkers such as non-contrast CT (NCCT) markers have been associated with increasing risk for HE. The aim of the present study was to evaluate the influence of NCCT markers with functional long-term outcome and with HE in patients with deep (basal ganglia and thalamus) ICH who represent an important subgroup of patients at the highest risk for functional deterioration with HE due to the eloquence of the affected brain region. Methods: From our prospective institutional database, all patients maximally treated with deep ICH were included and retrospectively analyzed. NCCT markers were recorded at diagnostic imaging, ICH volume characteristics were volumetrically evaluated, and all patients received follow-up imaging within 0-48 h. We explored associations of NCCT makers with unfavorable functional outcome, defined as modified Rankin scale 4-6, after 12 months and with HE. Bias and confounding were addressed by multivariable regression modeling. Results: In 322 patients with deep ICH, NCCT markers were distributed as follows: irregular shape: 69.6%, heterogenous density: 55.9%, hypodensities: 52.5%, island sign: 19.3%, black hole sign: 11.5%, and blend sign: 4.7%. Upon multivariable regression analyses, independent associations were documented with the functional outcome for irregular shape (aOR: 2.73, 95%CI: 1.42-5.22, p = 0.002), heterogenous density (aOR: 2.62, 95%CI: 1.40-4.90, p = 0.003) and island sign (aOR: 2.54, 95%CI: 1.05-6.14, p = 0.038), and with HE for heterogenous density (aOR: 5.01, 95%CI: 1.93-13.05, p = 0.001) and hypodensities (aOR: 3.75, 95%CI: 1.63-8.62, p = 0.002). Conclusion: NCCT markers are frequent in deep ICH patients and provide important clinical implications. Specifically, markers defined by diverging intrahematomal densities provided associations with a 5-times higher risk for HE and a 2.5-times higher likelihood for unfavorable functional long-term outcome. Hence, these markers allow the identification of patients with deep ICH at high risk for clinical deterioration due to HE. [ABSTRACT FROM AUTHOR]
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- 2024
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7. Thrombocytopenia and Clinical Outcomes in Intracerebral Hemorrhage: A Retrospective Multicenter Cohort Study
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Mrochen, Anne, Sprügel, Maximilian I., Gerner, Stefan T., Sembill, Jochen A., Lang, Stefan, Lücking, Hannes, Kuramatsu, Joji B., and Huttner, Hagen B.
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- 2021
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8. Incidence, temporal profile and neuroanatomic correlates of poststroke epilepsy.
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Winder, Klemens, Bobinger, Tobias, Seifert, Frank, Mrochen, Anne, Haupenthal, David, Knott, Michael, Dörfler, Arnd, Hilz, Max J., Schwab, Stefan, and Fröhlich, Kilian
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STROKE ,NEUROANATOMY ,EPILEPSY ,ISCHEMIC stroke ,CARDIOVASCULAR diseases risk factors ,CEREBRAL cortex - Abstract
Background and Purpose: The relationship between ischemic stroke site and occurrence of poststroke epilepsy (PSE) is incompletely understood. This study intended to evaluate incidence and temporal profiles of seizures and to correlate ischemic lesion sites with PSE using voxel‐based lesion symptom mapping (VLSM). Methods: Patients with imaging‐confirmed first‐ever ischemic stroke without prior history of epilepsy were prospectively included. Demographic data, cardiovascular risk factors, and National Institute of Health Stroke Scale (NIHSS) scores were assessed. Data on seizures and modified Rankin scale scores were determined within a 90‐day period after stroke onset. Ischemic lesion sites were correlated voxel wise with occurrence of PSE using nonparametric permutation test. Age‐ and sex‐matched patients with first‐ever ischemic strokes without PSE after 90 days served as controls for the VLSM analysis. Results: The stroke database contained 809 patients (mean age: 68.4 ± 14.2 years) with first‐ever imaging‐confirmed ischemic strokes without history of epilep. Incidence of PSE after 90‐day follow‐up was 2.8%. Five additional patients were admitted to the emergency department with a seizure after 90‐day follow‐up. Fifty percent of the seizures occurred in the acute phase after stroke. PSE patients had higher NIHSS scores and infarct volumes compared to controls without PSE (p <.05). PSE patients had infarcts predominantly involving the cerebral cortex. The hemisphere‐specific VLSM analysis shows associations between PSE and damaged voxels in the left‐hemispheric temporo‐occipital transition zone. Conclusions: The data indicate that PSE occurs in a small proportion of patients with rather large ischemic strokes predominantly involving the cerebral cortex. Especially patients with ischemic lesions in the temporo‐occipital cortex are vulnerable to develop PSE. [ABSTRACT FROM AUTHOR]
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- 2023
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9. Cerebrospinal fluid biomarkers for cerebral amyloid angiopathy.
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Sembill, Jochen A., Lusse, Christoph, Linnerbauer, Mathias, Sprügel, Maximilian I., Mrochen, Anne, Knott, Michael, Engelhorn, Tobias, Schmidt, Manuel Alexander, Doerfler, Arnd, Oberstein, Timo Jan, Maler, Juan Manuel, Kornhuber, Johannes, Lewczuk, Piotr, Rothhammer, Veit, Schwab, Stefan, and Kuramatsu, Joji B.
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- 2023
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10. Accuracy of Dose-Saving Artificial-Intelligence-Based 3D Angiography (3DA) for Grading of Intracranial Artery Stenoses: Preliminary Findings.
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Lang, Stefan, Hoelter, Philip, Schmidt, Manuel Alexander, Mrochen, Anne, Kuramatsu, Joji, Kaethner, Christian, Roser, Philipp, Kowarschik, Markus, and Doerfler, Arnd
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ANGIOGRAPHY ,THREE-dimensional imaging ,STENOSIS ,ARTIFICIAL intelligence ,ARTERIES - Abstract
Background and purpose: Based on artificial intelligence (AI), 3D angiography (3DA) is a novel postprocessing algorithm for "DSA-like" 3D imaging of cerebral vasculature. Because 3DA requires neither mask runs nor digital subtraction as the current standard 3D-DSA does, it has the potential to cut the patient dose by 50%. The object was to evaluate 3DA's diagnostic value for visualization of intracranial artery stenoses (IAS) compared to 3D-DSA. Materials and methods: 3D-DSA datasets of IAS (n
IAS = 10) were postprocessed using conventional and prototype software (Siemens Healthineers AG, Erlangen, Germany). Matching reconstructions were assessed by two experienced neuroradiologists in consensus reading, considering image quality (IQ), vessel diameters (VD1/2 ), vessel-geometry index (VGI = VD1 /VD2 ), and specific qualitative/quantitative parameters of IAS (e.g., location, visual IAS grading [low-/medium-/high-grade] and intra-/poststenotic diameters [dintra-/poststenotic in mm]). Using the NASCET criteria, the percentual degree of luminal restriction was calculated. Results: In total, 20 angiographic 3D volumes (n3DA = 10; n3D-DSA = 10) were successfully reconstructed with equivalent IQ. Assessment of the vessel geometry in 3DA datasets did not differ significantly from 3D-DSA (VD1 : r = 0.994, p = 0.0001; VD2 :r = 0.994, p = 0.0001; VGI: r = 0.899, p = 0.0001). Qualitative analysis of IAS location (3DA/3D-DSA:nICA/C4 = 1, nICA/C7 = 1, nMCA/M1 = 4, nVA/V4 = 2, nBA = 2) and the visual IAS grading (3DA/3D-DSA:nlow-grade = 3, nmedium-grade = 5, nhigh-grade = 2) revealed identical results for 3DA and 3D-DSA, respectively. Quantitative IAS assessment showed a strong correlation regarding intra-/poststenotic diameters (rdintrastenotic = 0.995, pdintrastenotic = 0.0001; rdpoststenotic = 0.995, pdpoststenotic = 0.0001) and the percentual degree of luminal restriction (rNASCET 3DA = 0.981; pNASCET 3DA = 0.0001). Conclusions: The AI-based 3DA is a resilient algorithm for the visualization of IAS and shows comparable results to 3D-DSA. Hence, 3DA is a promising new method that allows a considerable patient-dose reduction, and its clinical implementation would be highly desirable. [ABSTRACT FROM AUTHOR]- Published
- 2023
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11. "Virtual stent" – clinical evaluation and user experience of on-the-fly stent simulation in treatment of cerebral aneurysms.
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Luecking, Hannes, Birkhold, Annette, Hoelter, Philip, Lang, Stefan, Goelitz, Philipp, Schmidt, Manuel, Mrochen, Anne, Brandner, Sebastian, and Doerfler, Arnd
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INTRACRANIAL aneurysms ,USER experience ,THIRD-party software ,ANGIOGRAPHY ,INTEGRATED software - Abstract
Background: Predicting final stent position can be challenging when treating cerebral aneurysms. Third-Party software proved helpful in selecting proper stents in treatment planning. Recent angiographic systems provide basic stent simulation capabilities integrated in the post-processing software to simulate stent position. Goal of this analysis was to evaluate the simulation process and correlation with definite stent position. Materials and Methods: Thirty-three datasets with fusiform (n = 10) and saccular (n = 23) aneurysms, treated with stent or flow-diverter, were processed. A "virtual stent" of the same (nominal) size was simulated and its position was compared to the treatment result. Simulated length was rated in five grades (too short, shorter, equal, longer, too long), with regard to side-branches, anchoring zone etc. Simulation quality (centerline recognition/adherence to vessel margins) was rated in three grades (no, minor or major corrections required). Results: Simulation was successful in 32/33 cases (97%), with one abortive attempt (3%). In 27/33 simulations (82%), there was no need for centerline refinement. Minor corrections were necessary in four and major corrections in two cases. Simulated nominal length was rated "equal" in 14/33 (42%) cases and "shorter" or "longer" – but within acceptable range – in each 9/33 (27%) cases. Conclusion: Basic stent simulation tools available with genuine angiographic workplace software can provide good simulation capabilities without need for third-party equipment. They can facilitate treatment planning and help to avoid shortage of devices. Yet, lack of calculation of foreshortening in large vessel diameters leaves the user to rely on their experience to account for device-specific properties. [ABSTRACT FROM AUTHOR]
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- 2022
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12. Association of Intraventricular Fibrinolysis With Clinical Outcomes in Intracerebral Hemorrhage: An Individual Participant Data Meta-Analysis.
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Kuramatsu, Joji B., Gerner, Stefan T., Ziai, Wendy, Bardutzky, Jürgen, Sembill, Jochen A., Sprügel, Maximilian I., Mrochen, Anne, Kölbl, Kathrin, Ram, Malathi, Avadhani, Radhika, Falcone, Guido J., Selim, Magdy H., Lioutas, Vasileios-Arsenios, Endres, Matthias, Zweynert, Sarah, Vajkoczy, Peter, Ringleb, Peter A., Purrucker, Jan C., Volkmann, Jens, and Neugebauer, Hermann
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- 2022
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13. Simplified Edinburgh CT Criteria for Identification of Lobar Intracerebral Hemorrhage Associated With Cerebral Amyloid Angiopathy.
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Sembill, Jochen A., Knott, Michael, Xu, Mingming, Roeder, Sebastian S., Hagen, Manuel, Sprügel, Maximilian I., Mrochen, Anne, Borutta, Matthias, Hoelter, Philip, Engelhorn, Tobias, Rothhammer, Veit, Macha, Kosmas, and Kuramatsu, Joji B.
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- 2022
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14. Beyond Functional Impairment: Redefining Favorable Outcome in Patients with Subarachnoid Hemorrhage.
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Custal, Christina, Koehn, Julia, Borutta, Matthias, Mrochen, Anne, Brandner, Sebastian, Eyüpoglu, Ilker Y., Lücking, Hannes, Hoelter, Philip, Kuramatsu, Joji B., Kornhuber, Johannes, Schwab, Stefan, Huttner, Hagen B., and Gerner, Stefan T.
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TREATMENT effectiveness ,SUBARACHNOID hemorrhage ,FUNCTIONAL status ,VISUAL analog scale ,BARTHEL Index - Abstract
Background: For outcome assessment in patients surviving subarachnoid hemorrhage (SAH), the modified Rankin scale (mRS) represents the mostly established outcome tool, whereas other dimensions of outcome such as mood disorders and impairments in social life remain unattended so far. Objective: The aim of our study was to correlate 12-month functional and subjective health outcomes in SAH survivors. Methods: All SAH patients treated over a 5-year period received outcome assessment at 12 months, including functional scores (mRS and Barthel Index [BI]), subjective health measurement (EQ-5D), and whether they returned to work. Analyses – including utility-weighted mRS – were conducted to detect associations and correlations among different outcome measures, especially in patients achieving good functional outcome (i.e., mRS 0-2) at 12 months. Results: Of 351 SAH survivors, 287 (81.2%) achieved favorable functional outcome at 12 months. Contrary to the BI, the EQ-5D visual analog scale (VAS) showed a strong association with different mRS grades, accentuated in patients with favorable functional outcome. Despite favorable functional outcome, patients reported a high rate of impairments in activities (24.0%), pain (33.4%), and anxiety/depression (42.5%). Further, multivariable analysis revealed (i) impairments in activities (odds ratio [OR] [95% confidence interval {CI}]: 0.872 [0.817–0.930]), (ii) presence of depression or anxiety (OR [95% CI]: 0.836 [0.760–0.920]), and (iii) return to work (OR [95% CI]: 1.102 [0.1.013–1.198]) to be independently associated with self-reported subjective health. Conclusion: Established stroke scores mainly focusing on functional outcomes do poorly reflect the high rate of subjective impairments reported in SAH survivors, specifically in those achieving good functional outcome. Further studies are needed to investigate whether psychoeducational approaches aiming at improving coping mechanisms and perceived self-efficacy may result in higher subjective health in these patients. [ABSTRACT FROM AUTHOR]
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- 2021
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15. A Multisensory Deficit in the Perception of Pleasantness in Parkinson's Disease.
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Utz, Kathrin S., Martini, Max, Mrochen, Anne, Lambrecht, Vera, Süß, Patrick, Renner, Bertold, Freiherr, Jessica, Schenk, Thomas, Winkler, Jürgen, and Marxreiter, Franz
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PARKINSON'S disease ,APATHY ,SNOEZELEN ,OLFACTORY perception ,VISUAL perception ,ANHEDONIA ,SYMPTOMS - Abstract
Background: There is growing interest in non-motor symptoms in Parkinson's disease (PD), due to the impact on quality of life. Anhedonia, the inability to experience joy and lust, has a prevalence of up to 46% in PD. The perception of pleasantness of an odor is reduced in anhedonia without PD. We previously showed a reduced hedonic olfactory perception in PD, i.e., patients evaluated odors as less pleasant or unpleasant compared to controls. This deficit correlated with anhedonia. Objective: We aimed to confirm these findings. Moreover, we hypothesized that the perception of pleasantness in PD is affected on a multisensory level and correlates with anhedonia. Therefore, we assessed olfactory, visual and acoustic evaluation of pleasantness in PD and healthy individuals. Methods: Participants had to rate the pleasantness of 22 odors, pictures, and sounds on a nine-point Likert scale. Depression, anhedonia, and apathy were assessed by means of questionnaires. Results of the pleasantness-rating were compared between groups and correlated to scores of the questionnaires. Results: In particular pleasant and unpleasant stimuli across all three modalities are perceived less intense in PD, suggesting that a reduced range of perception of pleasantness is a multisensory phenomenon. However, only a reduction of visual hedonic perception correlated with anhedonia in PD. A correlation of reduced perception of pleasantness with apathy or depression was not present. Conclusion: We provide evidence for a multisensory deficit in the perception of pleasantness. Further studies should delineate the underlying neural circuity and the diagnostic value to detect neuropsychiatric symptoms in PD. [ABSTRACT FROM AUTHOR]
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- 2021
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16. Parenchymatous hematoma in patients with atraumatic subarachnoid hemorrhage: Characteristics, treatment, and clinical outcomes.
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Gerner, Stefan T, Hülsbrink, Robert, Reichl, Jonathan, Mrochen, Anne, Eyüpoglu, Ilker Y, Brandner, Sebastian, Dörfler, Arnd, Engelhorn, Tobias, Kuramatsu, Joji B, Schwab, Stefan, and Huttner, Hagen B
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INTRACRANIAL aneurysms ,TREATMENT effectiveness ,SUBARACHNOID hemorrhage ,FUNCTIONAL assessment ,HEMATOMA ,PROPENSITY score matching ,INTRAVENTRICULAR hemorrhage - Abstract
Background: Data regarding the influence of concomitant parenchymatous hematoma (PH) on long-term outcomes in patients with atraumatic subarachnoid hemorrhage (SAH) are scarce. Further, it is not established if these patients benefit from surgical intervention. Aim: The aim of this study was to determine the influence of concomitant PH in SAH patients on functional long-term outcome, and whether these patients may benefit from surgical hematoma evacuation. Methods: Over a 5-year period, all consecutive patients with SAH treated at the Departments of Neurology, Neuroradiology, and Neurosurgery, at the University Hospital Erlangen (Germany) were recorded. In addition to the clinical and imaging characteristics of SAH, we documented the presence, location, and volume of PH as well as treatment parameters. Outcome assessment at 12 months included functional outcome (modified Rankin scale (mRS), favorable = 0–2), health-related quality of life, and long-term complications. For outcome analysis, a propensity score matching (ratio 1:1, caliper 0.1) was performed to compare SAH patients with and without PH. Sub-analyses were performed regarding PH treatment (surgical evacuation vs. conservative). Results: A total of 494 patients with atraumatic SAH were available. Eighty-five (17.2%) had PH on initial imaging. SAH patients with PH had a worse clinical condition on admission and had a greater extent of subarachnoid/intraventricular hemorrhage. Median PH volume was 11.0 ml (5.4–31.8) with largest volumes observed in patients with ruptured middle cerebral artery (MCA)-aneurysm (31.7 ml (16.3–43.2)). After propensity-score matching (PSM), patients with PH had worse functional outcomes at 12 months (modified Rankin scale (mRS) 0–2: PH 31.8% vs. ØPH57.7% p < 0.001), and a lower rate of self-reported health compared to patients without PH (EQ-5D VAS: PH 50(30–70) vs. ØPH 80(65–95); p < 0.001). In PH patients, surgical evacuation was associated with a higher rate of favorable outcome at 12 months compared to those treated conservatively (surgery 14/28 (50.0%) vs. conservative 14/57 (24.6%); adjusted odds-ratio (OR; 95%CI): 1.34 (1.08–1.66); p = 0.001), irrespective of aneurysm location. Subgroup-analysis revealed positive associations of surgical hematoma evacuation with outcome in subgroups with larger PH volumes (>10 ml; OR (95%CI): 1.39 (1.09–1.79)), frontal PH location (OR 1.59 (1.14–2.23)), and early surgery (within 600 min after onset; OR 1.42 (1.03–1.94)). Conclusions: Concomitant PH occurs frequently in patients with SAH and is associated with functional impairment after 1 year. Surgical evacuation of PH may improve outcomes in these patients, irrespective of aneurysm-location. [ABSTRACT FROM AUTHOR]
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- 2021
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17. Value of initial C‐reactive protein levels in status epilepticus outcome prediction.
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Madžar, Dominik, Reindl, Caroline, Mrochen, Anne, Hamer, Hajo M., and Huttner, Hagen B.
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STATUS epilepticus ,C-reactive protein ,ACUTE phase proteins ,PROGNOSIS ,BIOMARKERS - Abstract
The role of neuroinflammation in the pathophysiology of seizures is increasingly recognized, and the evaluation of potential biochemical markers of inflammatory processes in seizures and status epilepticus (SE), such as C‐reactive protein (CRP), has gained attention. The present study assessed the first CRP level obtained in an SE episode regarding its value for SE outcome prediction. Among 362 admissions for SE during the study period, 231 episodes satisfied the inclusion criteria. Higher initial CRP concentrations were independently associated with in‐hospital mortality and poor functional outcome at discharge in logistic regression models adjusting for SE severity, severity of SE etiology, and development of treatment refractoriness. Therefore, initial CRP levels may add to the prediction of SE prognosis. The pathomechanisms through which CRP is linked with the prognosis of SE, however, remain to be established. [ABSTRACT FROM AUTHOR]
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- 2021
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18. Changes in Gastrointestinal Microbiome Composition in PD: A Pivotal Role of Covariates.
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Cosma-Grigorov, Alexandra, Meixner, Holger, Mrochen, Anne, Wirtz, Stefan, Winkler, Jürgen, and Marxreiter, Franz
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ENTERIC nervous system ,PROPENSITY score matching ,PARKINSON'S disease ,GUT microbiome ,RIBOSOMAL RNA - Abstract
Altered gut microbiota may trigger or accelerate alpha-synuclein aggregation in the enteric nervous system in Parkinson's disease (PD). While several previous studies observed gut microbiota alterations in PD, findings like diversity indices, and altered bacterial taxa itself show a considerable heterogeneity across studies. We recruited 179 participants, of whom 101 fulfilled stringent inclusion criteria. Subsequently, the composition of the gut microbiota in 71 PD patients and 30 healthy controls was analyzed, sequencing V3–V4 regions of the bacterial 16S ribosomal RNA gene in fecal samples. Our goal was (1) to evaluate whether gut microbiota are altered in a southern German PD cohort, (2) to delineate the influence of disease duration, stage, and motor impairment, and (3) to investigate the influence of PD associated covariates like constipation and coffee consumption. Aiming to control for a large variety of covariates, strict inclusion criteria were applied. Finally, propensity score matching was performed to correct for, and to delineate the effect of remaining covariates (non-motor symptom (NMS) burden, constipation, and coffee consumption) on microbiota composition. Prior to matching altered abundances of distinct bacterial classes, orders, families, and genera were observed. Both, disease duration, and stage influenced microbiome composition. Interestingly, levodopa equivalent dose influenced the correlation of taxa with disease duration, while motor impairment did not. Applying different statistical tests, and after propensity score matching to control for NMS burden, constipation and coffee consumption, Faecalibacterium and Ruminococcus were most consistently reduced in PD compared to controls. Taken together, similar to previous studies, alterations of several taxa were observed in PD. Yet, further controlling for PD associated covariates such as constipation and coffee consumption revealed a pivotal role of these covariates. Our data highlight the impact of these PD associated covariates on microbiota composition in PD. This suggests that altered microbiota may mediate the protective effect of i.e., coffee consumption and the negative effect of constipation in PD. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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19. Blood Pressure and Anticoagulation Reversal Management during Off-Hours in Oral Anticoagulation-Associated Intracerebral Hemorrhage.
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Mrochen, Anne, Sprügel, Maximilian I., Gerner, Stefan T., Sembill, Jochen A., Lang, Stefan, Lücking, Hannes, Kuramatsu, Joji B., and Huttner, Hagen B.
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CEREBRAL hemorrhage , *INTRACEREBRAL hematoma , *BLOOD pressure , *ANTICOAGULANTS , *PROPENSITY score matching , *INTERNATIONAL normalized ratio - Abstract
Background: Prevention of hematoma enlargement in oral anticoagulation-associated intracerebral hemorrhage (OAC-ICH) focuses on blood pressure (BP) reduction and OAC reversal. We investigated whether treatment efficiency and clinical outcomes differ between OAC-ICH patients admitted outside versus during regular working hours. Methods: Based on pooled data of multicenter cohort studies, we grouped OAC-ICH patients (vitamin K antagonist [VKA], non-vitamin K oral anticoagulant [NOAC]) according to on- vs. off-hour admission. Primary outcome was the functional outcome using the modified Rankin scale (mRS) dichotomized into favorable (mRS 0–3) and unfavorable (mRS 4–6) and mortality at 3 months. Secondary outcome measures included the occurrence of hematoma enlargement, the proportions of patients with systolic BP <140 mm Hg and with anticoagulation treatment achieving international normalized ratio (INR) levels <1.3 at 4 h. Propensity score matching (PSM) was performed to account for imbalances in baseline characteristics. Results: The study population consisted of 76/126 NOAC-ICH patients and 1,005/1,470 VKA patients presenting during off-hours. Functional outcome and mortality rates were not significantly different among PSM patients with VKA-ICH and NOAC-ICH during on- vs. off-hours (mRS 4–6 VKA-ICH: on-hour: 239/357 [66.9%] vs. 253/363 [69.7%] off-hour; p = 0.43; NOAC-ICH: on-hour 26/42 [61.9%] vs. off-hour: 37/57 [64.9%]; p = 0.76; mRS 6 VKA-ICH: on-hour: 127/357 [35.6%] vs. off-hour: 148/363 [40.8%]; p = 0.15; -NOAC-ICH: on-hour 17/42 [40.5%] vs. off-hour: 16/57 [28.1%]; p = 0.20). There were no differences detectable regarding the secondary outcome measures (i.e., hematoma enlargement, the proportion of patients who achieved systolic BP levels <140 mm Hg at 4 h as well as anticoagulation treatment achieving INR levels <1.3 at 4 h) in OAC patients. Conclusion: Our study implies that BP reduction and anticoagulation reversal management are well established and associated with similar rates of hematoma enlargement and clinical outcomes in on- vs. off-hour admitted OAC-ICH patients. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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20. Disability-Adjusted Life-Years Associated With Intracerebral Hemorrhage and Secondary Injury.
- Author
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Haupenthal, David, Kuramatsu, Joji B., Volbers, Bastian, Sembill, Jochen A., Mrochen, Anne, Balk, Stefanie, Hoelter, Philip, Lücking, Hannes, Engelhorn, Tobias, Dörfler, Arnd, Schwab, Stefan, Huttner, Hagen B., and Sprügel, Maximilian I.
- Published
- 2021
- Full Text
- View/download PDF
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