A cognitive behavior therapy intervention that targeted both depression and heart failure self-care was effective for depression but not for heart failure self-care or physical functioning compared to enhanced usual care, according to an article published online by JAMA Internal Medicine.
Major depression is a common co-existing illness in heart failure (HF). Depression and inadequate self-care are common and interrelated problems that increase the risks of hospitalization and death in patients with HF. Self-care in HF includes behaviors that maintain physical functioning and prevent acute exacerbations, such as following a low-sodium diet, exercising and taking prescribed medications, according to background information in the article
Kenneth E. Freedland, Ph.D., of the Washington University School of Medicine, St. Louis, and colleagues randomly assigned 158 outpatients with heart failure and major depression to cognitive behavior therapy (CBT) delivered by experienced therapists plus usual care (UC; n = 79) or UC alone (n = 79). Usual care was enhanced in both groups with a structured HF education program delivered by a cardiac nurse. The intervention treatment followed standard CBT manuals and a supplemental manual on CBT for cardiac patients. The intensive phase of the intervention consisted of up to 6 months of weekly 1-hour sessions. Sessions tapered to biweekly and then monthly between the end of intensive (weekly) treatment and 6 months post-randomization.
One hundred thirty-two (84 percent) of the participants completed the 6-month posttreatment assessments; 60 (76 percent) of the UC and 58 (73 percent) of the CBT participants completed every follow-up assessment. Six-month depression scores were lower in the CBT than the UC group. CBT did not improve HF self-care or physical functioning, but it did improve anxiety, fatigue, social functioning, and quality of life, and additional analysis suggested that the intervention might help to decrease the hospitalization rate in clinically depressed patients.
The authors note that major depression in heart failure may respond to CBT even if antidepressant therapy is unsuccessful.
"The results suggest that CBT is superior to usual care for depression in patients with HF," the researchers write. "Further research is needed on interventions to improve depression, self-care, physical functioning, and quality of life in patients with HF and comorbid major depression.
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