Objective: Sleeping problems are among the issues most mentioned by patients after cardiothoracic\nsurgery. These problems can have a negative effect on duration of the hospital stay and recovery.\nIn the ward of our cardiothoracic surgery department, a study was initiated to assess the\nquality of sleep after cardiothoracic surgery. The primary objective was to investigate the effect of\ncardiothoracic surgery on the quality of sleep. The secondary objective was to investigate the\nquality of sleep. Correlations with perioperative factors and related issues such as the type of surgery\nand medication were sought. Methods: A consecutive prospective cohort study was initiated\n(N = 72). The study used validated questionnaires to assess sleep: the Pittsburgh Sleep Quality Index\n(PSQI), the Epworth Sleepiness Scale (ESS), the Verran Snyder-Halpern Sleep Scale (VSH) and\nthe Factors Influencing Sleep Quality (FISQ). Results: The PSQI showed that the quality of sleep one\nmonth after surgery was inferior to the quality of sleep before surgery (p-value: 0.03). The efficiency\nof sleep (time spent in bed) was higher after surgery then before surgery (p-value: 0.01).\nThe VSH showed increased impaired sleep on the third night after surgery. The most disruptive\nfactors were not being comfortable in a hospital bed, pain and the noise of medical devices. Conclusions:\nThe quality of sleep after cardiothoracic surgery is worse when compared with the preoperative\nsituation. The chief influencing factors are discomfort in bed, pain and disturbance from\nmedical devices. The use of pain medication does not improve the quality of sleep.
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