Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2021
Implantable cardioverter-defibrillators in elderly patients: outcome and predictors of mortality.
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Marini Massimiliano, Martin Marta, Strazzanti Mattia, Quintarelli Silvia, Guarracini Fabrizio, Coser Alessio, Valsecchi Sergio, Bonmassari Roberto
Аннотация
PURPOSE: The implantable cardioverter-defibrillator (ICD) is the therapy of choice for the prevention of sudden cardiac death. The number of elderly patients receiving ICDs is increasing. This study aimed to assess the outcome of patients according to their age at the time of implantation, and to identify variables potentially associated with patient survival.
METHODS: Between June 2009 and December 2019, we retrospectively enrolled all consecutive patients in whom ICD implantation had been performed for primary or secondary prevention at our center.
RESULTS: During the study period, 670 patients underwent ICD implantation. We stratified the population into four age-classes: Class 1 (23%) (pts aged less than 60 years), Class 2 (28%) (pts aged between 60 and 70 years), Class 3 (39%) (pts aged between 70 and 80 years) and Class 4 (9%) (pts aged 80 years or older). Over a median follow-up of 42 months, the rate of deaths in Class 4 was higher than in Classes 1 and 2 (log-rank test, P < 0.01), but was comparable to that in Class 3 (P = 0.407). With increasing age, we observed more complications at the time of implantation and during follow-up. On multivariate analysis, higher NYHA class, creatinine level and CHA2DS2-VASc score were identified as independent predictors of death, while age was not associated with worse prognosis. Higher body mass index, higher NYHA class and CHA2DS2-VASc score were also confirmed as independent predictors of hospitalizations or death due to any cause.
CONCLUSION: This study showed good survival in ICD patients in all age-groups, including those aged ≥80 years. The CHA2DS2-VASc score seems to be a stronger predictor of death than age.
METHODS: Between June 2009 and December 2019, we retrospectively enrolled all consecutive patients in whom ICD implantation had been performed for primary or secondary prevention at our center.
RESULTS: During the study period, 670 patients underwent ICD implantation. We stratified the population into four age-classes: Class 1 (23%) (pts aged less than 60 years), Class 2 (28%) (pts aged between 60 and 70 years), Class 3 (39%) (pts aged between 70 and 80 years) and Class 4 (9%) (pts aged 80 years or older). Over a median follow-up of 42 months, the rate of deaths in Class 4 was higher than in Classes 1 and 2 (log-rank test, P < 0.01), but was comparable to that in Class 3 (P = 0.407). With increasing age, we observed more complications at the time of implantation and during follow-up. On multivariate analysis, higher NYHA class, creatinine level and CHA2DS2-VASc score were identified as independent predictors of death, while age was not associated with worse prognosis. Higher body mass index, higher NYHA class and CHA2DS2-VASc score were also confirmed as independent predictors of hospitalizations or death due to any cause.
CONCLUSION: This study showed good survival in ICD patients in all age-groups, including those aged ≥80 years. The CHA2DS2-VASc score seems to be a stronger predictor of death than age.