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  • Title: Benefits of cardiac rehabilitation in patients with implantable cardioverter-defibrillators: a patient survey.
    Author: Davids JS, McPherson CA, Earley C, Batsford WP, Lampert R.
    Journal: Arch Phys Med Rehabil; 2005 Oct; 86(10):1924-8. PubMed ID: 16213232.
    Abstract:
    OBJECTIVES: To determine whether participation in an outpatient cardiac rehabilitation (OCR) program increases exercise levels and decreases shocks in patients with implantable cardioverter-defibrillators (ICDs). DESIGN: Retrospective comparative survey. SETTING: University tertiary-care ICD clinic. PARTICIPANTS: Patients with ICDs and coronary artery disease. INTERVENTION: Participation in OCR (nonrandomized). MAIN OUTCOME MEASURES: Exercise levels and OCR participation were determined through a telephone survey of patients with ICDs. The incidence of shock-treated arrhythmia was determined by review of charts and ICD data storage disks. RESULTS: Of 82 patients (85% men; mean age, 61+/-8 y), 28 (34%) participated in OCR after receiving an ICD. There was no difference in age, sex, ejection fraction, or length of follow-up between OCR and non-OCR groups. Median intensity of regular exercise was 5.3 metabolic equivalents (METS) for OCR patients versus 3.5 METS for non-OCR patients (P<.02). In follow-up (mean, 48+/-3 mo), non-OCR patients were more likely to receive any shock, shocks during exercise, or shocks for ventricular arrhythmia during exercise than OCR patients (all P<.05). Non-OCR remained a predictor of shock after adjustment for exercise limitation (P<.05). CONCLUSIONS: OCR patients exercised more and had fewer shocks. Physicians and health plans should encourage ICD patients to participate in OCR.
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