Fendler Timothy J, Nassif Michael E, Kennedy Kevin F, Joseph Susan M, Silvestry Scott C, Ewald Gregory A, LaRue Shane J, Vader Justin M, Spertus John A, Arnold Suzanne V
Department of Cardiovascular Outcomes Research, Saint Luke's Mid America Heart Institute, Kansas City, Missouri; Department of Cardiology, University of Missouri-Kansas City, Kansas City, Missouri.
Department of Cardiovascular Outcomes Research, Saint Luke's Mid America Heart Institute, Kansas City, Missouri; Department of Cardiology, Washington University School of Medicine, Saint Louis, Missouri.
Am J Cardiol. 2017 Apr 1;119(7):1069-1073. doi: 10.1016/j.amjcard.2016.12.014. Epub 2017 Jan 5.
Left ventricular assist devices (LVADs) improve survival and quality of life (QOL) for most, but not all, patients with advanced heart failure. We described a broader definition of poor outcomes after LVAD, using a novel composite of death, QOL, and other major adverse events. We evaluated the frequency of poor global outcome at 1 year after LVAD among 164 patients (86% Interagency Registry for Mechanically Assisted Circulatory Support profile 1 to 2; shock or declining despite inotropes) at a high-volume center. Poor global outcome (comprising death, poor QOL [Kansas City Cardiomyopathy Questionnaire <45], recurrent heart failure [≥2 heart failure readmissions], or severe stroke) occurred in 58 patients (35%): 37 died, 17 had poor QOL, 3 had recurrent heart failure, and 1 had a severe stroke. Patients with poor global outcomes were more likely designated for destination therapy (46% vs 24%, p = 0.01), spent more days hospitalized per month alive (median [interquartile range] 18.6 [5.0 to 31.0] vs 3.7 [1.8 to 8.3], p <0.001), and had higher intracranial (12% vs 2%, p = 0.031) and gastrointestinal (44% vs 28%, p = 0.056) hemorrhage rates over the year after implant. Although LVADs often improve survival and QOL, ∼1/3 of high-acuity patients experienced a poor global outcome over the year after LVAD. In conclusion, composite outcomes may better capture events that matter to patients with LVADs and thus support informed decisions about pursuing LVAD therapy.
左心室辅助装置(LVADs)可提高大多数(而非全部)晚期心力衰竭患者的生存率和生活质量(QOL)。我们采用了一种新的综合指标,即死亡、生活质量和其他主要不良事件,对LVAD植入术后不良结局进行了更广泛的定义。我们在一家大型中心对164例患者(86%为机械辅助循环支持机构间注册数据库资料1至2级;使用血管活性药物后仍处于休克状态或病情仍在恶化)进行了评估,观察LVAD植入术后1年时总体不良结局的发生频率。58例患者(35%)出现总体不良结局(包括死亡、生活质量差[堪萨斯城心肌病问卷评分<45]、复发性心力衰竭[≥2次因心力衰竭再次入院]或严重卒中):37例死亡,17例生活质量差,3例复发性心力衰竭,1例严重卒中。总体结局不良的患者更有可能接受目标治疗(46%对24%,p = 0.01),每月存活时的住院天数更多(中位数[四分位间距]为18.6[5.0至31.0]天对3.7[1.8至8.3]天,p<0.001),并且在植入后的一年中颅内出血(12%对2%,p = 0.031)和胃肠道出血(44%对28%,p = 0.056)的发生率更高。尽管LVADs通常可提高生存率和生活质量,但约1/3的重症患者在LVAD植入术后一年出现了总体不良结局。总之,综合结局可能能更好地反映对LVAD患者重要的事件,从而有助于就LVAD治疗做出明智的决策。