September 1, 2008Journal of Cardiopulmonary Rehabilitation and PreventionOpen Access

Aerobic Exercise Improves Fitness and Heart Rate Variability After an Implantable Cardioverter Defibrillator

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Why the study?

Does an 8-week aerobic exercise program improve cardiopulmonary fitness, heart rate variability, health outcomes, and hsCRP in survivors of sudden cardiac arrest with an ICD?

Population

10 survivors of sudden cardiac arrest who have an implantable cardioverter-defibrillator (ICD)

Design

Cohort

Follow-up

24 weeks (6 months)

Authors

CDCynthia M. DoughertyUniversity of Washington RGRobb GlennyUniversity of Washington PKPeter J. KudenchukElectrophysiology

Discussion

Member takes

Implication

May support aerobic exercise in SCA survivors with ICD; hypothesis-generating and requires RCTs before practice change.

Structured PICO

Does an 8-week aerobic exercise program improve cardiopulmonary fitness, heart rate variability, health outcomes, and hsCRP in survivors of sudden cardiac arrest with an ICD?

Population

10 survivors of sudden cardiac arrest who have an implantable cardioverter-defibrillator (ICD)

Intervention

8-week aerobic exercise program consisting of supervised outpatient aerobic exercise 3 hours per week plus home walking 2 hours per week, followed by walking for 30 minutes on most days of the week for the remaining 4 months

Outcome

Cardiopulmonary fitness and activity, heart rate variability (HRV), health outcomes, and high sensitivity C-reactive protein (hsCRP) at 8 weeks and 24 weekssurrogate

An 8-week aerobic exercise program may improve cardiopulmonary fitness, autonomic function, and health outcomes in sudden cardiac arrest survivors with an ICD.

Limitations

causal conclusions cannot be drawn from this study

Cite This Study

Dougherty et al. (2008) studied this question.

synapsesocial.com/papers/6a70400326a7f98052dcbfd0 https://doi.org/10.1097/01.hcr.0000336140.56322.1f

Topics

Cardiac device therapy

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