Sleep Quality and Related Factors in Patients after Coronary Artery Bypass Surgery
Date Issued
2011
Date
2011
Author(s)
Yang, Pei-Lin
Abstract
Poor sleep quality is a common health problem after coronary artery bypass surgery. The aim of this study was to investigate sleep quality and related factors in patients after coronary artery bypass surgery. The design of this study was based on survey research, and the participants were patients who went back to the clinic for follow-up examinations after being discharged from hospitalization from one week to one month, among whom fifty-two patients were recruited. Structural questionnaires, including Pittsburgh Sleep Quality Index, 10 point pain scale, Fatigue Scale, Hospital Anxiety and Depression Scale were used to collect data. The data were analyzed by SPSS/Windows 17.0 software. The results of study were as follow:
1. At one week after being discharged, 84.6% of participants reported sleep problem and the prevalence of poor sleep quality in these participants was 86.5% on Pittsburgh Sleep Quality Index. At one month after being discharged, 73.1% of participants reported sleep problem and the prevalence of poor sleep quality in these participants was 63.5%. In general, the number of participants with sleep problem and the prevalence of poor sleep was significantly reduced from one week to one month post hospitalization.
2. Participants with older age, worse heart function, higher fatigue level, higher anxiety and depression level had poorer sleep quality. In addition, participants with bed partners had significantly poorer sleep quality than participants without bed partners at one week after being discharged.
3. “Fatigue” and “anxiety”were significant predictors of sleep quality and accounted for 31.8% of the total variance at one week after being discharged. ”Depression” and “anxiety”were significant predictors of sleep quality and accounted for 61.9% of the total variance at one month after being discharged.
4. The most frequently used strategy for sleeping problems was “to ignore” and the second one was “to take prescribed medicines”, only 17.4-19.2% of the participants used self-devised strategies to solve their sleeping problems. The result showed that strategies used by these participants were ineffective and their source of information was limited.
5. Sleep problems is common for patients who underwent coronary artery bypass surgery, and it is a dynamic process. With the improvement of their heart function, fatigue level, anxiety and depression level, their sleep quality can also improve as well.
According to the research findings, nurses are highly recommended to assess sleep after coronary artery bypass surgery and offer them appropriate sleep hygiene management strategies.
Subjects
coronary artery bypass surgery
sleep quality
pain
fatigue
anxiety
depression
Type
thesis
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