Abstract
Objectives
To describe physical activity status among patients with implantable cardioverter
defibrillators (ICDs) according to the indication for ICD implant compared with international
guidelines and compared with a matched healthy reference population to detect potential
for improved physical outcomes; to describe patients' beliefs regarding participation
in physical exercise by ICD indication; to describe factors predicting low physical
activity; and to describe physical activity as a predictor of mortality.
Design
National survey with register follow-up. Comparisons were made to a matched healthy
reference population, and patients were followed in registers for 15 months.
Setting
Patients are identified from national registers and questionnaires are distributed
by postal mail.
Participants
All diagnostic profiles and indications were included as were both single-chamber
ICD and biventricular ICD (N=499).
Interventions
Not applicable.
Main Outcome Measures
Questions regarding physical activity and the International Physical Activity Questionnaire-Short
Form were used to assess physical activity.
Results
The response rate was 71.7%. The mean age of participants was 65.5 years, with 82%
of participants being men. Of the participants, 37% participated in a rehabilitation
program, and 21% were sedentary compared with 8% in the reference population (P<.0001). Only 13% of patients followed physical exercise guidelines. Low physical
activity was predicted by primary prevention indication (odds ratio [OR]=2.5; 95%
confidence interval [CI], 1.3–4.7) and higher comorbidity (OR=2.1; 95% CI, 1.0–4.1;
P<.05). Finally, low physical activity was associated with increased mortality (OR=3.9;
95% CI, 1.11–13.71; P<.05); however, it was not statistically significant when adjusted for age, sex, marital
status, and comorbidity.
Conclusions
Guidelines for exercise and participation in rehabilitation are not met for this population,
leaving a great potential for future interventions to improve the clinical outcomes,
which are modifiable by exercise.
Keywords
List of abbreviations:
ICD (implantable cardioverter defibrillator), IPAQ-SF (International Physical Activity Questionnaire-Short Form), MET (metabolic equivalent task)To read this article in full you will need to make a payment
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Article info
Publication history
Published online: November 14, 2014
Footnotes
Supported by the National Strategic Research Council, Helsefonden, and Trygfonden.
Disclosures: none.
Identification
Copyright
© 2015 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.
