Published online September 1, 2006
PEDIATRICS Vol. 118 No. 3 September 2006, pp. e586-e593 (doi:10.1542/10.1542/peds.2006-0264)
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ARTICLE

Sustained Effects of Cardiac Rehabilitation in Children With Serious Congenital Heart Disease

Jonathan Rhodes, MD, Tracy J. Curran, MS, Laurel Camil, MS, Nicole Rabideau, MS, David R. Fulton, MD, Naomi S. Gauthier, MD, Kimberlee Gauvreau, ScD and Kathy J. Jenkins, MD, MPH

Department of Pediatric Cardiology, Children's Hospital, Boston, Massachusetts

OBJECTIVE. Past studies have documented the acute benefits of cardiac rehabilitation in children with congenital heart disease. It is not known whether these benefits persist.

PATIENTS AND METHODS. Fifteen patients, ages 8 to 17 years, with complex congenital heart disease, whose exercise function immediately after a 12-week cardiac rehabilitation program was superior to that present on a precardiac rehabilitation exercise test, were restudied 6.9 ± 1.6 months after completion of the cardiac rehabilitation program (~1 year after the precardiac rehabilitation study). Changes in exercise function relative to baseline, precardiac rehabilitation exercise tests were also compared with changes observed in a group of 18 control subjects, with similar diagnoses, who also had 2 exercise tests separated by a year but did not undergo cardiac rehabilitation.

RESULTS. The cardiac rehabilitation patients' exercise function did not change significantly over the 6.9-month period after the completion of the cardiac rehabilitation program; percentage of predicted peak oxygen consumption and peak work rate remained significantly superior to baseline, precardiac rehabilitation values. These changes were also associated with improvements in self-esteem, behavior, and emotional state. In contrast, among the control subjects, small, but statistically insignificant declines in peak oxygen consumption and peak work rate were observed on the final exercise test compared with values obtained at baseline, 1 year earlier. The improvements realized by the cardiac rehabilitation patients differed significantly from the concurrent changes observed among the control subjects and appeared to be a result of an increase in the oxygen pulse at peak exercise; significant changes in peak heart rate were not observed.

CONCLUSIONS. In patients with congenital heart disease, cardiac rehabilitation produces significant, sustained improvements in exercise function, behavior, self-esteem, and emotional state.

Key Words: exercise testing • congenital heart disease • rehabilitation • exercise

Abbreviations: VO2—oxygen consumption • VAT—ventilatory anaerobic threshold • CHQ—child health questionnaire • RER—respiratory exchange ratio • VE—minute ventilation • MVV—maximum voluntary ventilation

Accepted Mar 31, 2006.


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