4.5 Article

Effect of Benson and progressive muscle relaxation techniques on sleep quality after coronary artery bypass graft: A randomized controlled trial

Journal

COMPLEMENTARY THERAPIES IN MEDICINE
Volume 63, Issue -, Pages -

Publisher

CHURCHILL LIVINGSTONE
DOI: 10.1016/j.ctim.2021.102784

Keywords

Benson relaxation; Coronary artery bypass graft surgery; Progressive muscle relaxation; Sleep quality

Funding

  1. Shahroud University of Medical Sciences, Shahroud, Iran [9630]

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The study shows that a four-week program of both PMR and BR can significantly improve the overall sleep quality in patients following CABG surgery. Both the BR and PMR groups demonstrated better subjective sleep quality and overall sleep quality compared to the control group. However, there were no significant differences among the groups in terms of other sleep parameters after the intervention. Further research is needed to confirm these findings.
Objective: This study aimed to investigate the effect of Benson relaxation (BR) and progressive muscle relaxation (PMR) techniques on the sleep quality of patients undergoing coronary artery bypass graft (CABG) surgery. Method: This study was a three-arm, parallel, randomized controlled trial. 120 patients who underwent CABG surgery at two academic hospitals in an urban area of Iran were randomly allocated into three groups (40 per group): the BR, PMR, and control groups. Patients in the BR and the PMR groups performed relevant exercises twice a day for four weeks. Sleep quality was measured before and immediately after the intervention using Pittsburgh Sleep Quality Index. Results: Within-group comparison in the BR (t = 3.51, p = 0.001) and the PMR (t = 4.58, p < 0.001) group showed that the overall sleep quality showed a significant improvement after the intervention when compared to baseline. The between-group comparison showed that both the BR and PMR groups showed significant improvements in subjective sleep quality (F = 3.75, p = 0.02), habitual sleep efficiency (F = 4.81, p = 0.01), and overall sleep quality (F = 5.53, p = 005) when compared to the control group after the intervention. However, no statistically significant differences were identified among the three study groups in terms of sleep latency, sleep duration, sleep disturbances, sleeping medication, and daytime dysfunction after the intervention (p > 0.05). Conclusion: The study showed that a four-week program of both PMR and BR can be effective in the overall improvement of sleep quality in patients following CABG. Further research is required to replicate the findings of the present study.

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