RT Journal Article SR Electronic T1 Nocturnal Pressure Controlled Ventilation Improves Sleep Efficiency in Patients Receiving Mechanical Ventilation JF Respiratory Care FD American Association for Respiratory Care SP 482 OP 491 DO 10.4187/respcare.11505 VO 69 IS 4 A1 Chen, Tzu-Tao A1 Lee, Kun-Ta A1 Tam, Ka-Wai A1 Hu, Ming-Chi YR 2024 UL http://rc.rcjournal.com/content/69/4/482.abstract AB BACKGROUND: Patients receiving mechanical ventilation commonly experience sleep fragmentation. The present meta-analysis compared the effects of pressure controlled ventilation (PCV) and pressure support ventilation (PSV) on sleep quality.METHODS: We conducted a search of the PubMed, Embase, and Cochrane Library databases for studies published before November 2023. In this meta-analysis, individual effect sizes were standardized, and the pooled effect size was determined by using random-effects models. The primary outcome was sleep efficiency. The secondary outcomes were wakefulness, percentages of REM (rapid eye movement) sleep and stages 3 and 4 non–REM sleep, the fragmentation index, and the incidence of apneic events.RESULTS: This meta-analysis examined 4 trials that involved 67 subjects. Sleep efficiency was significantly higher in the PCV group than in the PSV group (mean difference 15.57%, 95% CI 8.54%–22.59%). Wakefulness was significantly lower in the PCV group than in the PSV group (mean difference −18.67%, 95% CI −30.29% to −7.04%). The percentage of REM sleep was significantly higher in the PCV group than in the PSV group (mean difference 2.32%, 95% CI 0.20%–4.45%). Among the subjects with a tendency to develop sleep apnea, the fragmentation index was significantly lower in those receiving PCV than PSV (mean difference −40.00%, 95% CI −51.12% to −28.88%). The incidence of apneic events was significantly lower in the PCV group than in the PSV group (risk ratio 0.06, 95% CI 0.01–0.45).CONCLUSIONS: Compared with PSV, PCV may improve sleep quality in patients receiving nocturnal mechanical ventilation.