Poor sleep quality is one of the most common problems among adult patients in the intensive care unit (ICU). The causes of sleep disturbance are complicated. Poor sleep quality can lead to negative consequences for patients' physical and mental health. Non-pharmacological interventions, such as white noise, have been recommended to increase the threshold level of sound during nighttime and achieve masking effects to improve subjective sleep quality. This study is a randomized controlled trial that compared two parallel patient groups.The hypothesis of this study is that white noise can improve sleep quality in adult ICU patients compared with conventional treatment group.
Poor sleep quality is one of the most common problems among adult patients in the intensive care unit (ICU). Statistics indicate that over 50% of ICU patients report sleep abnormalities, such as sleep fragmentation, arousals, frequent awakenings, and poor sleep quality. The causes of sleep disturbance are complicated, with evidence suggesting that environmental factors such as noise, from alarms and machines that are active around the clock in the ICU, play a significant role. Poor sleep quality can lead to negative consequences for patients' physical and mental health. Sleep promotion interventions, including both pharmacological and non-pharmacological approaches, have been proposed. However, the side effects of pharmacological intervention may also lead to poor outcomes. Therefore, non-pharmacological interventions, such as background noise, have been recommended to increase the threshold level of sound during nighttime and achieve masking effects to improve subjective sleep quality. This study was conducted in randomized controlled trial that compared two parallel patient groups. Patients were included by convenience sampling in a medical center in Taiwan. The Verran and Snyder-Halpern Sleep Scale (VSHSS) was used to assess subjective sleep quality. The main purpose of this study was to investigate the effect of white noise intervention in sleep quality in adult intensive care unit patients.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE
Enrollment
60
Using sound machine for 3 days at bedtime for 7 hours(11p.m.- 6a.m.) in a decibel of 40-50.
Chang Gung Memorial Hospital
Kaohsiung City, Taiwan
The Verran and Snyder-Halpern Sleep Scale Scores on Baseline, the First Intervention Day(T1), the Third Intervention Day(T2), and Follow up Two Days Later After Intervention (T3) Between Two Groups.
Sleep quality is assessed using the Verran and Snyder-Halpern (VSH) Sleep Scale, a subjective sleep scale that contains three dimensions: sleep disturbance, sleep effectiveness, and sleep supplementation, with a total of 15 items. Scores are measured using a visual analogue scale, which is a 100mm horizontal line. The maximum score is 100, and the minimum score is 0. The total score of the VSH Sleep Scale (VSHSS) ranges from 0 to 1500. The subscales are combined by summing the individual scores for each item, and the total score is obtained by adding the scores from each of the subscales. The lower the score, the poorer the sleep quality. Outcomes were measured at baseline, the first intervention day (T1), the third intervention day (T2), and two days after the intervention (T3) for both groups.
Time frame: Baseline, 1st days, 3rd days and 5th days.
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