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Worldwide, valvular heart disease (VHD) is a common cause of hospitalization for acute heart failure. In acute heart failure caused by VHD, symptoms result from rapid haemodynamic changes and subsequent decline in cardiac function, and if left untreated, leads to acute decompensation and cardiogenic shock. Current evidence remains scarce and recommendations regarding the management of acute heart failure caused by VHD are lacking in most recent international guidelines. Herein, we review the management of acute heart failure caused by VHD with a focus on transcatheter therapies and describe currently available evidence based on a systematic literature search on the following valve pathologies: (i) aortic stenosis, (ii) aortic regurgitation, (iii) mitral regurgitation, and (iv) mitral stenosis. Articles reporting outcomes following urgent or emergent valve intervention in the setting of cardiogenic shock or acute heart failure were considered. After screening a total of 2234 articles, 76 published between 1994 and 2023 were included in subsequent analysis. Based on available evidence, proposed treatment algorithms to guide optimal management of acute heart failure caused by VHD were created. As the number of patients presenting with acute heart failure caused by VHD continues to rise and outcomes following transcatheter valve interventions continue to improve, it is inevitable that minimally invasive options will play an increasingly important role in the acute setting, especially given these patients are at an increased operative risk. This review aims to present an organized approach to the complex management and interventional treatment of patients with acute heart failure caused by VHD., (© 2024 European Society of Cardiology.)

Aims: Right ventricular reverse remodelling (RVRR) is linked to improved survival in patients with severe tricuspid regurgitation (TR) and right-sided heart failure who underwent interventional treatment. However, the role of residual TR on RVRR remains unclear. In this analysis the impact of residual TR on RVRR after interventional TR treatment, which was validated by two independent cohorts at four sites using echocardiography or cardiac magnetic resonance (CMR) imaging, was investigated., Methods and Results: Overall, 253 patients who were treated for severe TR and right-sided heart failure using different treatment modalities (tricuspid transcatheter edge-to-edge repair [T-TEER], transcatheter tricuspid valve annuloplasty, orthotopic transcatheter TV replacement [TTVR], heterotopic TTVR) were included. Three-dimensional echocardiographic and CMR-based assessment of RVRR and clinical evaluation of decongestion or exercise capacity were performed at baseline and 30 days after the procedure. Mortality was analysed at 1 year after transcatheter tricuspid valve intervention (TTVI). In patients with residual TR ≤1+ pronounced reduction of right ventricular end-diastolic and end-systolic volumes was observed. In patients with residual TR ≥2+ the effect of RVRR gradually decreased with higher residual TR reinforcing the relevance of optimal procedural results for RVRR. These findings were validated in two independent cohorts. In contrast to RVRR, residual TR ≤1+ and 2+ were associated with similar 1-year survival. RVRR was only observed after T-TEER or orthotopic TTVR, but not after heterotopic TTVR as expected. However, all three treatment modalities were accompanied by significant decongestion and functional improvement at 30-day follow-up., Conclusion: In patients with severe TR and right-sided heart failure undergoing TTVI, superior procedural results were associated with more pronounced RVRR., (© 2024 The Author(s). European Journal of Heart Failure published by John Wiley & Sons Ltd on behalf of European Society of Cardiology.)

Aims: Data on the prognostic impact of residual tricuspid regurgitation (TR) after tricuspid transcatheter edge-to-edge repair (T-TEER) are scarce. The aim of this analysis was to evaluate 2-year survival and symptomatic outcomes of patients in relation to residual TR after T-TEER., Methods and Results: Using the large European Registry of Transcatheter Repair for Tricuspid Regurgitation (EuroTR registry) we investigated the impact of residual TR on 2-year all-cause mortality and New York Heart Association (NYHA) functional class at follow-up. The study further identified predictors for residual TR ≥3+ using a logistic regression model. The study included a total of 1286 T-TEER patients (mean age 78.0 ± 8.9 years, 53.6% female). TR was successfully reduced to ≤1+ in 42.4%, 2+ in 40.0% and 3+ in 14.9% of patients at discharge, while 2.8% remained with TR ≥4+ after the procedure. Residual TR ≥3+ was an independent multivariable predictor of 2-year all-cause mortality (hazard ratio 2.06, 95% confidence interval 1.30-3.26, p = 0.002). The prevalence of residual TR ≥3+ was four times higher in patients with higher baseline TR (vena contracta >11.1 mm) and more severe tricuspid valve tenting (tenting area >1.92 cm 2 ). Of note, no survival difference was observed in patients with residual TR ≤1+ versus 2+ (76.2% vs. 73.1%, p = 0.461). The rate of NYHA functional class ≥III at follow-up was significantly higher in patients with residual TR ≥3+ (52.4% vs. 40.5%, p < 0.001). Of note, the degree of TR reduction significantly correlated with the extent of symptomatic improvement (p = 0.012)., Conclusions: T-TEER effectively reduced TR severity in the majority of patients. While residual TR ≥3+ was associated with worse outcomes, no differences were observed for residual TR 1+ versus 2+. Symptomatic improvement correlated with the degree of TR reduction., (© 2024 The Authors. European Journal of Heart Failure published by John Wiley & Sons Ltd on behalf of European Society of Cardiology.)

Aims: While invasively determined congestion holds mechanistic and prognostic significance in acute heart failure (HF), its role in patients with tricuspid regurgitation (TR)-related right- heart failure (HF) undergoing transcatheter tricuspid valve intervention (TTVI) is less well established. A comprehensive understanding of congestion patterns might aid in procedural planning, risk stratification, and the identification of patients who may benefit from adjunctive therapies before undergoing TTVI. The aim of this study was to investigate the role of congestion patterns in patients with severe TR and its implications for TTVI., Methods and Results: Within a multicentre, international TTVI registry, 813 patients underwent right heart catheterization (RHC) prior to TTVI and were followed up to 24 months. The median age was 80 (interquartile range 76-83) years and 54% were women. Both mean right atrial pressure (RAP) and pulmonary capillary wedge pressure (PCWP) were associated with 2-year mortality on Cox regression analyses with Youden index-derived cut-offs of 17 mmHg and 19 mmHg, respectively (p < 0.01 for all). However, RAP emerged as an independent predictor of outcomes following multivariable adjustments. Pre-interventionally, 42% of patients were classified as euvolaemic (RAP <17 mmHg, PCWP <19 mmHg), 23% as having left-sided congestion (RAP <17 mmHg, PCWP ≥19 mmHg), 8% as right-sided congestion (RAP ≥17 mmHg, PCWP <19 mmHg), and 27% as bilateral congestion (RAP ≥17 mmHg, PCWP ≥19 mmHg). Patients with right-sided or bilateral congestion had the lowest procedural success rates and shortest survival times. Congestion patterns allowed for discerning specific patient's physiology and specifying prognostic implications of right ventricular to pulmonary artery coupling surrogates., Conclusion: In this large cohort of invasively characterized patients undergoing TTVI, congestion patterns involving right-sided congestion were associated with low procedural success and higher mortality rates after TTVI. Whether pre-interventional reduction of right-sided congestion can improve outcomes after TTVI should be established in dedicated studies., (© 2024 The Authors. European Journal of Heart Failure published by John Wiley & Sons Ltd on behalf of European Society of Cardiology.)

Aims: The impact of the cardio-hepatic syndrome (CHS) on outcomes in patients undergoing mitral valve transcatheter edge-to-edge repair (M-TEER) for relevant mitral regurgitation (MR) is unknown. The objectives of this study were three-fold: (i) to characterize the pattern of hepatic impairment, (ii) to investigate the prognostic value of CHS, and (iii) to evaluate the changes in hepatic function after M-TEER., Methods and Results: Hepatic impairment was quantified by laboratory parameters of liver function. In accordance with existing literature, two types of CHS were distinguished: ischaemic type I CHS (elevation of both transaminases) and cholestatic type II CHS (elevation of two out of three parameters of hepatic cholestasis). The impact of CHS on 2-year mortality was evaluated using a Cox model. The change in hepatic function after M-TEER was assessed by laboratory testing at follow-up. We analysed 1083 patients who underwent M-TEER for relevant primary or secondary MR at four European centres between 2008 and 2019. Ischaemic type I and cholestatic type II CHS were observed in 11.1% and 23.0% of patients, respectively. Predictors for 2-year all-cause mortality differed by MR aetiology. While in primary MR cholestatic type II CHS was independently associated with 2-year mortality, ischaemic CHS type I was an independent mortality predictor in secondary MR patients. At follow-up, patients with MR reduction ≤2+ (obtained in 90.7% of patients) presented with improved parameters of hepatic function (median reduction of 0.2 mg/dl, 0.2 U/L and 21 U/L for bilirubin, alanine aminotransferase and gamma-glutamyl transferase, respectively, p < 0.01)., Conclusions: The CHS is frequently observed in patients undergoing M-TEER and significantly impairs 2-year survival. Successful M-TEER may have beneficial effects on CHS., (© 2023 The Authors. European Journal of Heart Failure published by John Wiley & Sons Ltd on behalf of European Society of Cardiology.)

Aims: Right ventricular dysfunction (RVD), as expressed by right ventricular to pulmonary artery coupling, has recently been identified as a strong outcome predictor in patients undergoing mitral valve edge-to-edge repair (M-TEER) for secondary mitral regurgitation (MR). The aim of this study was to define RVD in patients undergoing M-TEER for primary MR (PMR) and to evaluate its impact on procedural MR reduction, symptomatic development and 2-year all-cause mortality., Methods and Results: This multicentre study included patients undergoing M-TEER for symptomatic PMR at nine international centres. The study cohort was divided into a derivation (DC) and validation cohort (VC) for calculation and validation of the best discriminatory value for RVD. A total of 648 PMR patients were included in the study. DC and VC were comparable regarding procedural success and outcomes at follow-up. Sensitivity analysis identified RVD as an independent predictor for 2-year mortality in the DC (hazard ratio [HR] 2.37, 95% confidence interval [CI] 1.47-3.81, p < 0.001), which was confirmed in the VC (HR 2.06, 95% CI 1.36-3.13, p < 0.001). Procedural success (MR ≤2+) and symptomatic improvement at follow-up (New York Heart Association [NYHA] class ≤II) were lower in PMR patients with RVD (MR ≤2+: 82% vs. 93%, p = 0.002; NYHA class ≤II: 57.3% vs. 66.5%, p = 0.09 for with vs. without RVD). In all PMR patients, the presence of RVD significantly impaired 2-year survival after M-TEER (HR 2.23, 95% CI 1.63-3.05, p < 0.001)., Conclusions: Mitral valve edge-to-edge repair is an effective treatment option for PMR patients. The presence of RVD is associated with less MR reduction, less symptomatic improvement and increased 2-year mortality. Accordingly, RVD might be included into pre-procedural prognostic considerations., (© 2022 The Authors. European Journal of Heart Failure published by John Wiley & Sons Ltd on behalf of European Society of Cardiology.)

Aims: Tricuspid regurgitation (TR) is associated with high mortality, morbidity and reduced physical capacity. This study was designed to examine the long-term impact of transcatheter tricuspid valve intervention (TTVI) on physical activity by using the method of actigraphy., Methods and Results: Overall, we prospectively included 128 heart failure patients with severe TR (median age 79 years, 48% female) who were scheduled for TTVI. Patients were equipped with activity tracking devices for 1 week before TTVI, and again at 1-6 months and 1 year after TTVI. We compared continuous physical activity (CPA), defined as the mean number of steps/day with New York Heart Association class, quality of life assessments, and 6-min walk distance (all p <0.01). TTVI reduced TR to grade ≤2+ in 94% of patients. Median (interquartile range [IQR]) CPA at baseline was 3108 (1350-4959) steps/day, which increased by 31.4% to 3958 (1823-5657) steps/day at 1-6 months and 4080 (2293-6514) steps/day at 1 year after TTVI (p <0.001 for both comparisons). The impact of TTVI was significantly higher in advanced heart failure patients with low baseline activity (baseline CPA <1350 steps/day; 1-year CPA increase: +121.3%; p <0.001), when compared to moderate activity patients (baseline CPA 1350-4959 steps/day; 1-year CPA increase: +27.5%; p <0.01) or high activity patients (baseline CPA >4959 steps/day; 1-year CPA change: +2.6%; p = 0.39)., Conclusion: One-week actigraphy demonstrates durable improvement of physical activity after TTVI. Fragile chronic heart failure patients with very low baseline activity, as determined by actigraphy in this study, significantly benefit from transcatheter intervention and should not be excluded from TTVI., (© 2022 The Authors. European Journal of Heart Failure published by John Wiley & Sons Ltd on behalf of European Society of Cardiology.)

Background: The impact of devices for vessel closure on the safety and efficacy of cannula removal in VA-ECMO patients is unknown., Methods: We retrospectively analyzed 180 consecutive patients weaned from VA-ECMO after cardiac arrest or cardiogenic shock from January 2012 to June 2020. In the first period (historical technique group), from January 2012 to December 2018, primary decannulation strategy was manual compression. In the second period (current technique group), from January 2019 to June 2020, decannulation was performed either by a conventional approach with manual compression or by a suture-mediated closure device technique., Results: A femoral compression system was necessary in 71% of patients in the historical group compared to 39% in the current technique group ( p  < 0.01). Vascular surgery was performed in 12% in the historical cohort and 2% in the current technique cohort, which indicated a clear trend, albeit it did not reach significance ( p  = 0.07)., Conclusion: We illustrated that a suture-mediated closure device technique for VA-ECMO decannulation was feasible, safe, and may have reduced the need of surgical interventions compared to manual compression alone., Competing Interests: Christopher Stremmel and Clemens Scherer received speaker honoraria from AstraZeneca, outside the submitted work. Daniel Braun received speaker honoraria from Abbott Vascular, outside the submitted work. Jörg Hausleiter received speaker honoraria and research support from Abbott Vascular and Edwards Lifesciences, outside the submitted work. Martin Orban received speaker honoraria from Abbott Medical, AstraZeneca, Abiomed, Bayer Vital, BIOTRONIK, Bristol-Myers Squibb, CytoSorbents, Daiichi Sankyo Deutschland, Edwards Lifesciences Services, and Sedana Medical, outside the submitted work. The other authors declare that they have no conflicts of interest., (Copyright © 2022 Clemens Scherer et al.)