Meditation interventions among heart failure patients: An integrative review

Abstract

Background: There has been growing interest in meditation techniques as an intervention in chronic disease populations. Little is known of the effect meditation practice has on outcomes among patients with heart failure. Purpose: To identify and examine current literature on meditation interventions on heart failure outcomes. Method: The review utilized methods described by Whittemore and Knafl. Three electronic databases were searched through March 2018. Terms used were “mindfulness OR meditation” and “heart failure” in combination, generating 58 articles after duplicates were removed. After inclusion and exclusion criteria were applied, six studies qualified for review, including four articles with samples from the United States and two with samples from Brazil and Sweden, respectively. Results: Among the six studies in the final sample, the total number of participants was 320 heart failure patients. Interventional design and length varied among the studies, and 20 different dependent variables were identified. This study distinguished four categories of outcome measures with significant findings: psychosocial, biophysical, quality of life and heart failure symptom burden. Compared with controls meditation practice significantly improved depression ( p<.05), social support ( p<.05), biophysical factors and quality of life ( p<.05), in addition to reducing heart failure symptom burden. Across-study comparisons were limited due to variation in intervention definitions and designs. Additionally, the intervention dose and reporting method varied, limiting comparisons. The sample size in five out of six studies was fewer than 50 participants. Over 20 different measures were used across the six studies to measure outcome variables. Conclusion: Meditation may offer a patient-driven practice to reduce heart failure symptoms as well as improve psychosocial wellness and quality of life. Future research among heart failure patients should include the following: rigorous definition of meditation interventions, consistency in intervention characteristics, larger controlled trials, and standardized outcome instruments.

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