Younger patients experiencing more complications with cardioverter defibrillators

Younger patients who receive an implantable defibrillator are significantly less likely than older defibrillator patients to suffer from CHD and extracardiac
comorbidities. They also have a better ejection fraction, 42% versus 32%. However, they are twice as likely (16.4% versus 8.2%) to come in for revision because of device-associated complications than older patients S Hakmi, D-U Chun, Hamburg, Germany, DGK Annual Congress 2022, DEVICE Registry). The registry prospectively enrolled a total of 4181 patients from 50 centers in Germany between 2007 and 2011 who had received implantable cardioverter defibrillator (ICD) or cardiac resynchronization therapy with defibrillator (CRT-D).
While heart failure was the most common reason for presentation in older patients, survived cardiac death, hypertrophic cardiomyopathies, and primary electrical heart disease dominated in younger patients. The 1-year mortality was lower in the young patients than in older patients, 3.1 versus 7.3%, respectively. Cardiologists attributed the higher complication rate to the greater activity of younger patients.
Author(s) Source
SuK Deutsches Ärzteblatt Dtsch Ärztebl 2022; 119(24): 4 (german)
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