Increased Hospitalizations and Overall Healthcare Utilization in Patients Receiving Implantable Cardioverter-Defibrillator Shocks Compared With Antitachycardia Pacing

JACC. Clinical Electrophysiology
Prashanthan SandersMohammad Saeed

Abstract

The purpose of this study was to evaluate the effect of these therapies on healthcare utilization in a large patient cohort. Antitachycardia pacing (ATP) terminates ventricular tachycardia and avoids delivery of high-voltage shocks. Few data exist on the impact of shocks on healthcare resource utilization compared with ATP. PROVIDE (Programming Implantable Cardioverter Defibrillators in Patients With Primary Prevention Indication) was a prospective study of patients who received an implantable cardioverter-defibrillator (ICD) for primary prevention at 97 U.S. centers (2008 to 2010). We categorized the PROVIDE patients by the type of therapy delivered: no therapy, ATP only, or at least 1 shock. All ICD therapies, hospitalizations, and deaths were adjudicated. Cumulative cardiac hospitalizations, risk of all-cause death or cardiac hospitalization, and annual costs were compared between groups. Of the 1,670 patients in PROVIDE, followed up for 18.1 ± 7.6 months, 1,316 received no therapy, 152 had ATP only, and 202 received at least 1 shock. Patients receiving no therapy and those receiving only ATP had a lower cumulative hospitalization rate and were at lower risk for death or hospitalization (hazard ratio: 0.33 [p < 0.001] and 0....Continue Reading

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