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 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 is a randomized controlled trial that compared two parallel patient groups.The hypothesis of this study is that background noise can improve sleep quality in adult ICU patients compared with conventional treatment group.
Kaohsiung city 833401, Taiwan
Age must be greater than or equal to 20 years old.
Admitted to the ICU and have been intubated for at least 24 hours.
Aware of people, time, and place, and without hearing impairment.
Be able to communicate in writing.
The Glasgow Coma Scale score must be equal to or greater than 11, with a vocal response of 1 in the patient post-endotracheal tube placement.
History of insomnia, Alzheimer's disease, or depression.
Routine use of sedative-hypnotic drugs (opioids, benzodiazepines, non-benzodiazepines, antihistamines, and melatonin) before admission.
Post-operation in the operating room before ICU admission.
ICDSC score of at least 4 or CAM-ICU positive.
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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 background noise intervention in sleep quality in adult intensive care unit patients.