• Joanna C Dionne, Jennie Johnstone, Orla Smith, Louise Rose, Simon Oczkowski, Yaseen Arabi, Erick H Duan, François Lauzier, Waleed Alhazzani, Norine Alam, Nicole Zytaruk, Josie Campisi, and Deborah J Cook.
• Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada.
• J Crit Care. 2020 Aug 1; 58: 98-104.

PurposeAlterations in bowel habits are common during critical illness, and bowel protocols are gaining acceptance. Our objective was to characterize bowel protocols in a cross-sectional analysis of ICUs.Materials And MethodsWe engaged 44 adult ICUs and performed content analysis of bowel protocols, addressing initiation criteria, medications incorporated, medication escalation, discontinuation criteria, stool assessment methods, and protocol contraindications.ResultsBowel protocols operated in 33/44 ICUs (79.5%). The commonest medications were senna (81.0%) and bisacodyl (75.6%). Less common agents were sodium phosphate (45.9%), glycerin (43.2%), docusate sodium (43.2%), polyethylene glycol 3350 (37.8%), lactulose (29.7%), sodium citrate (16.2%), milk of magnesia (13.5%) and mineral oil (16.2%). Bowel protocols were activated by nurses (62.8%) based on initiation criteria [no bowel movement for 24-96 h (35.1%), opioid use (18.9%), "at risk for constipation" (13.5%), stool on digital rectal exam (10.8%), feeding initiation (10.8%), and ICU admission (8.1%)]. Laxative escalation criteria included time from last bowel movement (59.4%), opioid use (18.9%) and no stool on digital rectal exam (10.8%), while 15 (40.5%) included diarrhea as a discontinuation criterion.ConclusionsBowel protocols have variable initiation, escalation, and discontinuation criteria incorporating different classes of laxatives, reflecting unclear evidence about optimal bowel management strategies in ICU.Copyright © 2020. Published by Elsevier Inc.

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