Procedural Outcome and 1-Year Follow-Up of Young Patients Undergoing Implantable Cardioverter–Defibrillator Implantation—Insights from the German DEVICE I+II Registry
Journal of Clinical Medicine(2024)
摘要
Background: The number of young patients receiving ICDs or CRT-Ds has been increasing in recent decades and understanding the key characteristics of this special population is paramount to optimized patient care. Methods: The DEVICE I+II registry prospectively enrolled patients undergoing ICD/CRT-D implantation or revision from 50 German centers between 2007 and 2014 Data on patient characteristics, procedural outcome, adverse events, and mortality during the initial stay and 1-year follow-up were collected. All patients under the age of 45 years were identified and included in a comparative analysis with the remaining population. Results: A total number of 5313 patients were enrolled into the registry, of which 339 patients (6.4%) were under the age of 45 years. Mean age was 35.0 ± 8.2 vs. 67.5 ± 9.7 years, compared to older patients (≥45 years). Young patients were more likely to receive an ICD (90.9 vs. 69.9%, p < 0.001) than a CRT-D device (9.1 vs. 30.1%). Coronary artery disease was less common in younger patients (13.6 vs. 63.9%, p < 0.001), whereas hypertrophic cardiomyopathy (10.9 vs. 2.7%, p < 0.001) and primary cardiac electrical diseases (11.2 vs. 1.5%, p < 0.001) were encountered more often. Secondary preventive ICD was more common in younger patients (51.6 vs. 39.9%, p < 0.001). Among those patients, survival of sudden cardiac death (66.7 vs. 45.4%, p < 0.001) due to ventricular fibrillation (60.6 vs. 37.9%, p < 0.001) was the leading cause for admission. There were no detectable differences in postoperative complications requiring intervention (1.5 vs. 1.9%, p = 0.68) or in-hospital mortality (0.0 vs. 0.3%, p = 0.62). Median follow-up duration was 17.9 [13.4–22.9] vs. 16.9 [13.1–23.1] months (p = 0.13). In younger patients, device-associated complications requiring revision were more common (14.1 vs. 8.3%, p < 0.001) and all-cause 1-year-mortality after implantation was lower (2.9 vs. 7.3%, p = 0.003; HR 0.39, 95%CI: 0.2–0.75) than in older patients. Conclusions: Young patients < 45 years of age received defibrillator therapy more often for secondary prevention. Rates for periprocedural complications and in-hospital mortality were very low and without differences between groups. Young patients have lower mortality during follow-up but experienced a higher rate of postoperative complications requiring revision, potentially due to a more active lifestyle.
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关键词
implantable cardioverter–defibrillator,sudden cardiac death,young patients,device therapy,heart failure,device complications
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