Ventricular Arrhythmias in Sarcoidosis Linked to Triple Mortality Risk and Higher Device Implantation Rates: Study
USA: A large-scale study published in Expert Review of Cardiovascular Therapy has revealed that ventricular arrhythmias significantly increase mortality and device implantation rates in patients with sarcoidosis.
"In a study of 570,807 sarcoidosis patients, ventricular tachycardia and fibrillation nearly tripled mortality risk (aOR 2.98) and sharply increased the need for defibrillators (aOR 17.69) and pacemakers (aOR 3.41), though it did not affect 30-day readmissions. Early detection is key to improving outcomes," the researchers reported.
The research, conducted by Sri Nuvvula and colleagues from the Department of Cardiovascular Medicine at the University of Massachusetts Medical School, analysed outcomes using the Nationwide Readmission Database to understand the impact of ventricular tachycardia and fibrillation (VTVF) in this patient population.
The key findings were as follows:
- The analysis evaluated 570,807 adult sarcoidosis patients admitted between January 2011 and December 2018.
- Among these patients, 15,459 individuals (2.71%) developed ventricular tachycardia and fibrillation (VTVF) during hospitalization.
- Patients with VTVF had nearly three times higher in-hospital mortality risk compared to those without arrhythmias (aOR 2.98).
- VTVF was strongly associated with the need for an automatic implantable cardioverter-defibrillator (AICD) during hospitalization (aOR 17.69).
- The requirement for permanent pacemaker placement was also significantly higher in patients with VTVF (aOR 3.41).
- Despite increased mortality and device implantation rates, VTVF did not impact 30-day all-cause readmissions.
- Multivariable-adjusted Cox regression showed no significant difference in short-term hospital readmission between patients with and without VTVF (aHR 0.94).
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