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dc.contributor.authorPlummer, M.en
dc.contributor.authorKar, P.en
dc.contributor.authorCousins, C.en
dc.contributor.authorHausken, T.en
dc.contributor.authorLange, K.en
dc.contributor.authorChapman, M.en
dc.contributor.authorJones, K.en
dc.contributor.authorHorowitz, M.en
dc.contributor.authorDeane, A.en
dc.identifier.citationCritical Care Medicine, 2016; 44(9):e790-e796en
dc.description.abstractObjective: To quantify gallbladder dysfunction during critical illness. Design: Prospective observational comparison study of nutrient-stimulated gallbladder emptying in health and critical illness. Setting: Single-centre mixed medical/surgical ICU. Patients: Twenty-four mechanically ventilated critically ill patients suitable to receive enteral nutrition were compared with 12 healthy subjects. Interventions: Participants were studied after an 8-hour fast. Between 0 and 120 minutes, high-fat nutrient (20% intralipid) was infused via a postpyloric catheter into the duodenum at 2 kcal/min. Measurements and Main Results: Three-dimensional images of the gallbladder were acquired at 30-minute intervals from -30 to 180 minutes. Ejection fraction (%) was calculated as changes between 0 and 120 minutes. Blood samples were obtained at 30-minute intervals for plasma cholecystokinin. Data are mean (SD) or median [interquartile range]. In the critically ill, fasting gallbladder volumes (critically ill, 61 mL [36-100 mL] vs healthy, 22 mL [15-25] mL; p < 0.001] and wall thickness (0.45 mm [0.15 mm] vs 0.26 mm [0.08 mm]; p < 0.001] were substantially greater, and sludge was evident in the majority of patients (71% vs 0%). Nutrient-stimulated emptying was incomplete in the critically ill after 120 minutes but was essentially complete in the healthy individuals (22 mL [9-66 mL] vs 4 mL [3-5 mL]; p < 0.01]. In five critically ill patients (21%), there was no change in gallbladder volume in response to nutrient, and overall ejection fraction was reduced in the critically ill (50% [8-83%] vs 77 [72-84%]; p = 0.01]. There were no differences in fasting or incremental cholecystokinin concentrations. Conclusions: Fasted critically ill patients have larger, thicker-walled gallbladders than healthy subjects and nutrient-stimulated gallbladder emptying is impaired with "gallbladder paresis" occurring in approximately 20%.en
dc.description.statementofresponsibilityMark P. Plummer, Caroline E. Cousins, Trygve Hausken, Kylie Lange, Marianne J. Chapman, Karen L. Jones, Michael Horowitz, Adam M. Deaneen
dc.publisherLippincott Williams & Wilkinsen
dc.rightsCopyright © 2016 by the Society of Critical Care Medicine and Wolters Kluwer Health, Inc. All Rights Reserved.en
dc.subjectCritical illness; gallbladder dyskinesia; gallbladder emptying; intensive care; ultrasound imagingen
dc.titleCritical illness is associated with impaired gallbladder emptying as assessed by 3D ultrasounden
dc.typeJournal articleen
pubs.library.collectionAnaesthesia and Intensive Care publicationsen
dc.identifier.orcidChapman, M. [0000-0003-0710-3283]en
dc.identifier.orcidJones, K. [0000-0002-1155-5816]en
dc.identifier.orcidHorowitz, M. [0000-0002-0942-0306]en
dc.identifier.orcidDeane, A. [0000-0002-7620-5577]en
Appears in Collections:Anaesthesia and Intensive Care publications

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