Why the study?
Is stress testing safe and feasible without pretest device inactivation in patients with implantable cardioverter-defibrillators?
Population
84 patients with implantable cardioverter-defibrillators (ICDs), mean age 67+/-12 years, 76% men.
Design
Cohort
Follow-up
During or soon after stress testing
Key result
Stress testing without pretest inactivation in patients with implantable cardioverter-defibrillators was feasible and safe, resulting in 0 deaths or sustained ventricular arrhythmias requiring therapy.
Authors
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May support stress testing without pretest ICD inactivation; hypothesis-generating and requires prospective trials before practice change.
Cohort (n=84)
No
Is stress testing safe and feasible without pretest device inactivation in patients with implantable cardioverter-defibrillators?
Stress testing, both exercise and pharmacologic, appears feasible and safe in patients with ICDs without requiring pretest device inactivation.
Chinnaiyan et al. (2007) conducted a cohort in Patients with implantable cardioverter-defibrillators (ICDs) (n=84). Stress testing (exercise or pharmacologic) without pretest ICD inactivation was evaluated on Occurrence of malignant ventricular arrhythmias, onset of burst pacing or ICD firing, cardiopulmonary resuscitation, or death during or soon after stress testing. Stress testing without pretest inactivation in patients with implantable cardioverter-defibrillators was feasible and safe, resulting in 0 deaths or sustained ventricular arrhythmias requiring therapy.