One-Year Mortality and Causes of Death after Stereotactic Radiation Therapy for Refractory Ventricular Arrhythmias: A Systematic Review and Pooled Analysis - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Trends in Cardiovascular Medicine Année : 2024

One-Year Mortality and Causes of Death after Stereotactic Radiation Therapy for Refractory Ventricular Arrhythmias: A Systematic Review and Pooled Analysis

Paul C. Zei
Michael Lloyd
Charles Guenancia
Sandro Ninni
Julien Bellec
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Konstantinos Vlachos
Frederic Sacher
Nefissa Hammache
Jean-Marc Sellal
Renaud de Crevoisier
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Résumé

Patients treated with cardiac stereotactic body radiation therapy (radioablation) for refractory ventricular arrhythmias are patients with advanced structural heart disease and significant comorbidities. However, data regarding 1-year mortality after the procedure are scarce. This systematic review and pooled analysis aimed at determining 1-year mortality after cardiac radioablation for refractory ventricular arrhythmias and investigating leading causes of death in this population. MEDLINE/EMBASE databases were searched up to January 2023 for studies including patients undergoing cardiac radioablation for the treatment of refractory ventricular arrhythmias. Quality of included trials was assessed using the NIH Tool for Case Series Studies (PROSPERO CRD42022379713). A total of 1,151 references were retrieved and evaluated for relevance. Data were extracted from 16 studies, with a total of 157 patients undergoing cardiac radioablation for refractory ventricular arrhythmias. Pooled 1-year mortality was 32% (95%CI: 23-41), with almost half of the deaths occurring within three months after treatment. Among the 157 patients, 46 died within the year following cardiac radioablation. Worsening heart failure appeared to be the leading cause of death (52%), although non-cardiac mortality remained substantial (41%) in this population. Age≥70yo was associated with a significantly higher 12-month all-cause mortality (p<0.022). Neither target volume size nor radiotherapy device appeared to be associated with 1-year mortality (p=0.465 and p=0.199, respectively). About one-third of patients undergoing cardiac stereotactic body radiation therapy for refractory ventricular arrhythmias die within the first year after the procedure. Worsening heart failure appears to be the leading cause of death in this population.
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Karim Benali, Paul C. Zei, Michael Lloyd, Josef Kautzner, Charles Guenancia, et al.. One-Year Mortality and Causes of Death after Stereotactic Radiation Therapy for Refractory Ventricular Arrhythmias: A Systematic Review and Pooled Analysis. Trends in Cardiovascular Medicine, 2024, Trends in Cardiovascular Medicine, ⟨10.1016/j.tcm.2023.12.008⟩. ⟨hal-04429271⟩
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