Cardiac resynchronization therapy (CRT) is often deferred in dialysis-dependent patients with heart failure (HF) because of a perceived lack of benefit and potentially higher risks, although the outcomes associated with CRT in dialysis have not been reported. We therefore studied our center's experience with CRT in dialysis-dependent patients. We constructed a descriptive assessment of these patients (n = 15) and performed a case-control analysis matching for age, gender, bundle branch morphology, diabetes mellitus, cardiomyopathy origin, and β-blocker and angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker use. Baseline and 6-month echocardiograms were assessed for evidence of reverse remodeling. No periprocedural or long-term complications were observed among dialysis patients. Heterogenous improvement in ejection fraction (+3.1 ± 9.2%) was noted and 2 patients derived absolute improvements of 8% and 22%, respectively. Dialysis patients demonstrated the following 3-year event rates: HF hospitalization, 31%; all-cause hospitalization, 100%; mortality, 73%; and HF hospitalization or death, 82%. In the case-control analysis, controls demonstrated superior reverse remodeling (+9.2 ± 9.5% increase in ejection fraction), decreased mortality (73% vs 44%, p = 0.038), and all-cause hospitalizations (76% vs 100%, p = 0.047), with no difference in HF hospitalizations (p = 0.39), compared with dialysis patients. In conclusion, at our center, the dialysis-dependent patients with HF who underwent CRT implantation did so safely and no serious complications were observed. Certain dialysis patients demonstrated compelling improvement after device implantation. Compared with matched controls, dialysis patients were at increased risk for adverse events and worsened echocardiographic outcomes.

译文

:由于尚无与透析相关的CRT结局的报道,由于认为缺乏获益和潜在的更高风险,通常在依赖透析的心力衰竭(HF)患者中推迟进行心脏再同步治疗(CRT)。因此,我们研究了我们中心在依赖透析的患者中使用CRT的经验。我们对这些患者(n = 15)进行了描述性评估,并根据年龄,性别,束支形态,糖尿病,心肌病起源,β受体阻滞剂和血管紧张素转换酶抑制剂或血管紧张素II受体进行了病例对照分析阻止者使用。评估基线和6个月的超声心动图,以寻找逆向重构的证据。在透析患者中​​未观察到围手术期或长期并发症。观察到射血分数的异质性改善(3.1±9.2%),2例患者的绝对改善分别为8%和22%。透析患者的3年事件发生率如下:心衰住院率为31%;心衰住院率为31%。全因住院,100%;死亡率73%;而心衰住院或死亡的比例为82%。在病例对照分析中,对照表现出优异的逆向重构(射血分数增加9.2±9.5%),死亡率降低(73%对44%,p = 0.038)和全因住院(76%对100%,p = 0.047),与透析患者相比,HF住院患者没有差异(p = 0.39)。总之,在我们中心,接受CRT植入的依赖透析的HF患者安全地这样做,并且未观察到严重的并发症。某些透析患者在装置植入后表现出令人信服的改善。与对照组相比,透析患者发生不良事件的风险增加,超声心动图结果恶化。

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