Suvorexant was associated with decreased odds of transitioning to delirium in critically ill patients. The use of suvorexant may lower the incidence of delirium in ICU patients. Future prospective studies are warranted.
Background: Considering the adverse effects of sleep disturbance in critical care settings, accurate assessment could aid therapy; however, methodological inadequacies mean that no viable option is currently available. Research in healthy population has recently shown that a non-wearable sleep measurement device placed under the mattress of the bed could be beneficial in intensive care settings. Therefore, we aimed to validate this device compared with polysomnography (PSG) and to assess how it related to subjective sleep evaluations. Methods: This observational study measured the sleep of critically ill adult patients. The primary goal was to validate the Nemuri SCAN (NSCAN; Paramount Bed Co., Ltd., Tokyo, Japan) against the reference standard PSG for 24 h. The secondary goal was to evaluate the association between the objective parameters obtained from NSCAN and PSG and the subjective report data obtained using the Richards-Campbell Sleep Questionnaire (RCSQ) for the nighttime. Results: Eleven participants were evaluated. The median of the total sleep time scored by PSG was 456.0 (353.0-517.5) min during the nighttime and 305.0 (186.2-542.5) min during the daytime. PSG over 24 h revealed significant decreases in restorative sleep, with excessive daytime sleep, but with a normal quantity of nighttime sleep. The agreement, sensitivity, and specificity rates (with 95% confidence intervals) for the NSCAN compared with PSG were 68.4% (67.9-69.0%), 90.1% (89.7-90.6%), and 38.7% (37.9-39.7%), respectively. The median RCSQ value when subjectively evaluating nighttime sleep was 68.0 (26.3-83.5); this showed no correlation with the NSCAN sleep parameters, despite a positive correlation with the ratio of the stage N2 isolated or combined with restorative sleep in the PSG assessment. Conclusions: NSCAN had moderate agreement, high sensitivity, and poor specificity in intensive care settings, which is most likely due to its inability to identify immobile wakefulness often observed in critically ill patients or sleep depth. This remains a barrier to its use in the assessment of subjective sleep quality. Trial registration: This investigation was part of an interventional trial registered with the University Hospital Medical Information Network Individual Clinical Trials Registry (UMIN000026350, http://www.umin.ac.jp/icdr/index-j.html) on March 1, 2017.
Background The joint committee of the Japanese Society of Intensive Care Medicine/Japanese Respiratory Society/Japanese Society of Respiratory Care Medicine on ARDS Clinical Practice Guideline has created and released the ARDS Clinical Practice Guideline 2021. Methods The 2016 edition of the Clinical Practice Guideline covered clinical questions (CQs) that targeted only adults, but the present guideline includes 15 CQs for children in addition to 46 CQs for adults. As with the previous edition, we used a systematic review method with the Grading of Recommendations Assessment Development and Evaluation (GRADE) system as well as a degree of recommendation determination method. We also conducted systematic reviews that used meta-analyses of diagnostic accuracy and network meta-analyses as a new method. Results Recommendations for adult patients with ARDS are described: we suggest against using serum C-reactive protein and procalcitonin levels to identify bacterial pneumonia as the underlying disease (GRADE 2D); we recommend limiting tidal volume to 4–8 mL/kg for mechanical ventilation (GRADE 1D); we recommend against managements targeting an excessively low SpO2 (PaO2) (GRADE 2D); we suggest against using transpulmonary pressure as a routine basis in positive end-expiratory pressure settings (GRADE 2B); we suggest implementing extracorporeal membrane oxygenation for those with severe ARDS (GRADE 2B); we suggest against using high-dose steroids (GRADE 2C); and we recommend using low-dose steroids (GRADE 1B). The recommendations for pediatric patients with ARDS are as follows: we suggest against using non-invasive respiratory support (non-invasive positive pressure ventilation/high-flow nasal cannula oxygen therapy) (GRADE 2D), we suggest placing pediatric patients with moderate ARDS in the prone position (GRADE 2D), we suggest against routinely implementing NO inhalation therapy (GRADE 2C), and we suggest against implementing daily sedation interruption for pediatric patients with respiratory failure (GRADE 2D). Conclusions This article is a translated summary of the full version of the ARDS Clinical Practice Guideline 2021 published in Japanese (URL: https://www.jsicm.org/publication/guideline.html). The original text, which was written for Japanese healthcare professionals, may include different perspectives from healthcare professionals of other countries.
BackgroundInterruption of enteral nutrition (EN) in the intensive care unit (ICU) occurs frequently for various reasons including feeding intolerance and the conduct of diagnostic and therapeutic procedures. However, few studies have investigated the details of EN interruption practices including reasons for and duration of interruptions. There is no standard protocol to minimize EN interruptions.MethodsThis is a retrospective review of 100 patients in the ICU staying more than 72 h and receiving EN in a 12-bed, medical/surgical ICU in a tertiary care center in 2013. Data collected include total time designated for EN; the number of EN interruption episodes; reason for each interruption categorized as diagnostic study, therapeutic intervention, or gastrointestinal (GI) event, and their individual subcategories; duration of each interruption; and the presence of written orders for interruptions.ResultsOne hundred patients staying in the ICU for at least 72 h and receiving EN were included. There were 567 episodes of EN interruption over a median ICU length of stay of 17.1 (interquartile range 8.0–22.0) days. There were a median of three EN interruption episodes per patient. EN interruption was performed for undetermined reasons (166 episodes, 29%), airway manipulation (103 episodes, 18%), GI events (78 episodes, 14%), and intermittent dialysis (71 episodes, 13%). Median duration of EN interruption in all patients was 5.5 (3.0–10.0) h. The cumulative interruption time corresponds to 19% of the total time designated for EN. Duration of EN interruption varied according to reason, including airway manipulation (9.0 [5.0–21.0] h), tracheostomy (9.5 [7.5–14.0] h), and GI events (6.5 [3.0–14.0] h). The average calorie deficits due to interruptions were 11.5% of daily target calories. Only 60 episodes (12%) had clear written orders for interruption.ConclusionsBased on this single-center retrospective chart review, interruption of EN in the ICU is frequent, reasons for and duration of interruption varied, and airway procedures are associated with a relatively longer duration of interruption. Documentation and orders were frequently missing. These results warrant development of a protocol for EN interruption.
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