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A pilot study of ultrasound evaluation of gastric emptying in patients with end‐stage renal failure: a comparison with healthy controls
Author(s) -
Chen C.,
Liu L.,
Wang C. Y.,
Choi S.W.,
Yuen V. M.
Publication year - 2017
Publication title -
anaesthesia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.839
H-Index - 117
eISSN - 1365-2044
pISSN - 0003-2409
DOI - 10.1111/anae.13869
Subject(s) - medicine , supine position , antrum , gastric emptying , stomach , ultrasound , prospective cohort study , meal , gastroenterology , surgery , radiology
Summary This prospective study was designed to evaluate gastric volume and content in patients with renal failure and healthy controls after an overnight fast, immediately after a light meal and at 6 h after the meal. Thirty subjects in each group were recruited. At each scanning session, gastric antral cross‐sectional area was measured in the supine recumbent and right lateral decubitus positions, and a qualitative assessment of gastric contents was made using the Perlas three‐point grading system. Six hours after the meal, the mean ( SD ) antral cross‐sectional area in the supine position was 471 (195) mm 2 in patients with renal failure and 319 (106) mm 2 in healthy controls (p = 0.028), whereas in the right lateral position it was 756 (320) and 521 (180) mm 2 , respectively (p = 0.21). In terms of the qualitative assessments of gastric contents, all subjects had an empty stomach after an overnight fast. Five patients with renal failure and no controls had Perlas grade 2 images, indicating significant gastric contents, 6 h after a meal (p = 0.026). This study supports the use of bedside gastric ultrasound as a point‐of‐care test for patients with known risk factors for delayed gastric emptying.