Ezequiel J Molina, Mustafa M Ahmed, Farooq H Sheikh, Joseph C Cleveland, Daniel J Goldstein, Nir Y Uriel, AiJia Wang, Jordan J Revis, Mandeep R Mehra
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Adverse events included hemocompatibility-related (stroke, bleeding, and pump thrombosis) and non-hemocompatibility-related (right heart failure, infection) outcomes.</p><p><strong>Results: </strong>Those with a smaller LVEDD (<55 mm) (n = 108) were older (age 63 ± 11 years vs 60 ± 12 years; P = 0.005), were more often female (31% vs 20%; P = 0.096), and had more ischemic cardiomyopathy (60.2% vs 42.6%; P = 0.0004) compared with the LVEDD ≥55 mm group (n = 1,813). Death during implant hospitalization was higher (14.8 vs 5.7%; P = 0.0007) and survival at 2 years was lower (63.3% vs 81.8%; HR: 1.97 [95% CI: 1.39-2.79]; P = 0.0002) in the LVEDD <55 mm group. The LVEDD <55 mm group experienced more deaths due to hemocompatibility-related adverse events (2.8% vs 0.6%; HR: 4.61 [95% CI: 1.29-16.45]; P = 0.018) and right heart failure, both early (0-30 days; 7.4% vs 2.0%; HR: 3.70 [95% CI: 1.73-7.91]; P = 0.001) and late (>30 days; 12.0 vs 4.8%; HR: 2.58 [95% CI: 1.37-4.84]; P = 0.003). Low-flow alarms rehospitalizations were higher in the LVEDD <55 mm cohort (17.4 vs 8.3%; HR: 2.39 [95% CI: 1.59-3.59]; P < 0.001).</p><p><strong>Conclusions: </strong>Although infrequent in occurrence, smaller LVEDD (<55 mm) is associated with increased risk for early and late mortality, a consequence of hemocompatibility-related and right heart failure-related deaths. Rehospitalizations due to low-flow alarms are also more frequent. (MOMENTUM 3 IDE Clinical Study Protocol [HM3™]; NCT02224755; MOMENTUM 3 Continued Access Protocol [MOMENTUM 3 CAP]; NCT02892955).</p>","PeriodicalId":14687,"journal":{"name":"JACC. 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引用次数: 0
摘要
背景：先前的分析表明，心脏伴侣3型左室辅助装置植入后，较小的左室舒张末期直径（LVEDD）与生存率降低有关。目的：在这项基于试验的综合分析中，作者试图检查临床特征及其与这种特定关系的结果的关联。方法：作者分析了LVEDD的存在结果：LVEDD较小的患者(30天；12.0 vs 4.8%；Hr: 2.58 [95% ci: 1.37-4.84]；P = 0.003)。结论：虽然低流量警报在LVEDD中的发生率较高，但较小的LVEDD (
Left Ventricular Dimensions and Clinical Outcomes With a Fully Magnetically Levitated Left Ventricular Assist Device.
Background: Prior analyses have suggested that a smaller left ventricular end-diastolic diameter (LVEDD) is associated with reduced survival following HeartMate 3 left ventricular assist device implantation.
Objectives: In this trial-based comprehensive analysis, the authors sought to examine clinical characteristics and association with the outcome of this specific relationship.
Methods: The authors analyzed the presence of LVEDD <55 mm among 1,921 analyzable HeartMate 3 patients within the MOMENTUM 3 (Multicenter Study of MagLev Technology in Patients Undergoing Mechanical Circulatory Support Therapy With HeartMate 3) trial portfolio, on endpoints of overall survival and adverse events at 2 years. Adverse events included hemocompatibility-related (stroke, bleeding, and pump thrombosis) and non-hemocompatibility-related (right heart failure, infection) outcomes.
Results: Those with a smaller LVEDD (<55 mm) (n = 108) were older (age 63 ± 11 years vs 60 ± 12 years; P = 0.005), were more often female (31% vs 20%; P = 0.096), and had more ischemic cardiomyopathy (60.2% vs 42.6%; P = 0.0004) compared with the LVEDD ≥55 mm group (n = 1,813). Death during implant hospitalization was higher (14.8 vs 5.7%; P = 0.0007) and survival at 2 years was lower (63.3% vs 81.8%; HR: 1.97 [95% CI: 1.39-2.79]; P = 0.0002) in the LVEDD <55 mm group. The LVEDD <55 mm group experienced more deaths due to hemocompatibility-related adverse events (2.8% vs 0.6%; HR: 4.61 [95% CI: 1.29-16.45]; P = 0.018) and right heart failure, both early (0-30 days; 7.4% vs 2.0%; HR: 3.70 [95% CI: 1.73-7.91]; P = 0.001) and late (>30 days; 12.0 vs 4.8%; HR: 2.58 [95% CI: 1.37-4.84]; P = 0.003). Low-flow alarms rehospitalizations were higher in the LVEDD <55 mm cohort (17.4 vs 8.3%; HR: 2.39 [95% CI: 1.59-3.59]; P < 0.001).
Conclusions: Although infrequent in occurrence, smaller LVEDD (<55 mm) is associated with increased risk for early and late mortality, a consequence of hemocompatibility-related and right heart failure-related deaths. Rehospitalizations due to low-flow alarms are also more frequent. (MOMENTUM 3 IDE Clinical Study Protocol [HM3™]; NCT02224755; MOMENTUM 3 Continued Access Protocol [MOMENTUM 3 CAP]; NCT02892955).
期刊介绍：
JACC: Heart Failure publishes crucial findings on the pathophysiology, diagnosis, treatment, and care of heart failure patients. The goal is to enhance understanding through timely scientific communication on disease, clinical trials, outcomes, and therapeutic advances. The Journal fosters interdisciplinary connections with neuroscience, pulmonary medicine, nephrology, electrophysiology, and surgery related to heart failure. It also covers articles on pharmacogenetics, biomarkers, and metabolomics.
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