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CC BY-NC-ND 4.0 · Sleep Sci 2020; 13(04): 235-241
DOI: 10.5935/1984-0063.20190145
Original Article

Sleep quality assessment in intensive care: actigraphy vs. Richards-Campbell sleep questionnaire

Hana Locihová
1   Department of Nursing, Jesseniuss Faculty of Medicine in Martin, Comenius University in Bratislava, Slovakia.
2   AGEL Educational and Research Institute (VAVIA), Prostějov, Czech Republic.
,
Karel Axmann
3   Department of Anaesthesiology and Resuscitation and Intensive Care Medicine, University Hospital Olomouc.
4   Faculty of Medicine and Dentistry, Palacky University Olomouc, Czech Republic.
,
Katarína Žiaková
1   Department of Nursing, Jesseniuss Faculty of Medicine in Martin, Comenius University in Bratislava, Slovakia.
,
Dagmar Šerková
5   Department of Nursing and Midwifery, Ostrava, University of Ostrava, Faculty of Medicine, Czech Republic.
6   Interdisciplinary Intensive Care Unit, Hospital Nový Jičín, Czech Republic.
,
Simona Černochová
6   Interdisciplinary Intensive Care Unit, Hospital Nový Jičín, Czech Republic.
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Introduction It has been repeatedly shown that sleep of intensive care unit (ICU) patients is fragmented and its architecture is impaired. As sleep disorders have numerous negative effects on the organism, there have been efforts to implement sleep-promoting strategies into practice. When comparing the effectiveness of such measures, sleep quality assessment itself is a considerable problem.

Objective The study aimed to assess the quality and quantity of night sleep in ICU patients simultaneously with actigraphy (ACT) and the Richards-Campbell Sleep Questionnaire (RCSQ). The secondary goals were to test the performance and effectiveness of the above methods and to verify correlations between selected RCSQ items and actigraph parameters.

Methods A single-center prospective observational study (20 patients staying in a Interdisciplinary Intensive Care Unit). The quality of sleep was assessed using a Czech version of the RCSQ and ACT. The obtained data were analyzed and their dependence or correlations were verified by selected statistical tests.

Results The mean RCSQ score was 47.6 (SD 24.4). The worst results were found for sleep latency (44.4; SD 31.2); the best results were for sleep quality (50.2; SD 29.4). The mean sleep effciency measured with ACT reached 86.6% (SD 9.2); the mean number of awakenings per night was 17.1 (SD 8.5). The RCSQ total parameter with a cutoff of 50 (RCSQ total = 50 good sleep / RCSQ total < 50 poor sleep) was shown to be suitable for discrimination of subjectively perceived sleep quality in ICU patients. However, the study failed to show statistically significant relations between subjectively perceived sleep quality (RCSQ) and ACT measurements.

Conclusion The RCSQ appears to be a suitable instrument for assessing night sleep quality in ICU patients. On the other hand, the study showed a very low level of agreement between subjective sleep quality assessment and objective ACT measurements. The main drawback of ACT is low reliability of obtained data. Further research is needed to determine its role in sleep quality assessment in the ICU setting.

Sleep - Actigraphy - Richards-Campbell Sleep Questionnaire - Intensive Care Unit


Publication History

Received: 25 November 2019

Accepted: 06 April 2020

Article published online:
09 November 2023

© 2023. Brazilian Sleep Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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