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Effects of cardiac rehabilitation and exercise training programs on depression in patients after major coronary
R V Milani1, C J Lavie, M M Cassidy
1Department of Internal Medicine, Ochsner Clinic, Alton Ochsner Medical Foundation, New Orleans, LA, USA.
Insights
Cardiac rehabilitation significantly reduces depression in patients with coronary heart disease. This program improved mental health, exercise capacity, and quality of life for those experiencing depression post-cardiac events.
Area of Science:
- Cardiology
- Psychiatry
- Rehabilitation Medicine
Background:
- Depression is a common comorbidity in patients following major cardiac events, impacting recovery and quality of life.
- Prevalence of depression in coronary heart disease patients is significant, associated with poorer health outcomes and lower exercise capacity.
Purpose of the Study:
- To assess the efficacy of a structured cardiac rehabilitation program, including exercise training, in mitigating depressive symptoms after major cardiac events.
- To evaluate the impact of cardiac rehabilitation on behavioral characteristics, quality of life, and physiological parameters in depressed cardiac patients.
Main Methods:
- A cohort of 338 patients with recent major cardiac events participated in a 3-month, 36-session phase II cardiac rehabilitation program.
- Validated questionnaires assessed depressive symptoms, behavioral characteristics (anxiety, somatization, hostility), and quality of life at baseline and study completion.
- Exercise capacity, body fat percentage, and lipid profiles (HDL cholesterol, triglycerides) were also measured.
Main Results:
- Depression was prevalent (20%) in the study population, with depressed patients exhibiting lower exercise capacity and poorer quality of life at baseline.
- Following cardiac rehabilitation, depressed patients showed significant improvements in depression scores, anxiety, somatization, hostility, and overall quality of life.
- Improvements were also observed in exercise capacity, body fat, and lipid profiles; two-thirds of initially depressed patients experienced symptom resolution.
Conclusions:
- Cardiac rehabilitation is effective in reducing depression and improving behavioral and quality-of-life parameters in patients with coronary heart disease.
- The findings underscore the need for increased emphasis on referring and ensuring attendance of depressed cardiac patients in formal rehabilitation programs.
Abstract:
To evaluate the effect of cardiac rehabilitation and exercise training on depression after major cardiac events, we studied 338 consecutive patients in whom a major cardiac event had occurred 4 to 6 weeks previously and who were participating in phase II cardiac rehabilitation consisting of 36 sessions over a 3-month period. Depressive symptoms and other behavioral characteristics and quality-of-life parameters were analyzed by validated questionnaire. Depression was prevalent in patients with coronary heart disease, occurring in 20% of the patients evaluated. At baseline, depressed patients had lower exercise capacity, reduced high-density lipoprotein cholesterol level, and higher triglyceride levels; had lower scores for mental health, energy or fatigue, general health, pain, overall function, well-being, and total quality of life; and had greater scores for somatization, anxiety, and hostility than those of nondepressed patients. After cardiac rehabilitation, depressed patients had marked improvements in depression scores and other behavioral parameters (anxiety, somatization, and hostility) and quality of life. Depressed patients also showed improved exercise capacity, percentage of body fat, and levels of triglycerides and high-density lipoprotein cholesterol. Depressed patients exhibited statistically greater improvements in certain behavioral and quality-of-life parameters than did nondepressed patients. Two thirds of the patients who were initially depressed resolved their symptoms by study completion. In conclusion, depression is reduced in patients with symptomatic coronary heart disease patients enrolled in cardiac rehabilitation. Greater emphasis is needed to ensure that depressed patients are referred to and attend formal cardiac rehabilitation programs after major cardiac events.
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