Metoclopramide Reduces Fluoroscopy and Procedure Time during Gastrojejunostomy Tube Placement: A Placebo-Controlled Trial.

To determine whether a single 10-mg intravenous dose of the promotility agent metoclopramide reduces the fluoroscopy time, radiation dose, and procedure time required for gastrojejunostomy (GJ) tube placement. This prospective, randomized, double-blind, placebo-controlled trial enrolled consecutive patients who underwent primary GJ tube placement at a single institution from April 10, 2018, to October 3, 2019. Exclusion criteria included age less than 18 years, inability to obtain consent, metoclopramide allergy or contraindication, and altered pyloric anatomy. Average fluoroscopy times, radiation doses, and procedure times were compared using t-tests. The full study protocol can be found at www.clinicaltrials.gov (NCT03331965). Of 110 participants randomized 1:1, 45 received metoclopramide and 51 received placebo and underwent GJ tube placement (38 females and 58 males; mean age, 55 ± 18 years). Demographics of the metoclopramide and placebo groups were similar. The fluoroscopy time required to advance a guide wire through the pylorus averaged 1.6 minutes (range, 0.3-10.1 minutes) in the metoclopramide group versus 4.1 minutes (range, 0.2-27.3 minutes) in the placebo group (P = .002). Total procedure fluoroscopy time averaged 5.8 minutes (range, 1.5-16.2 minutes) for the metoclopramide group versus 8.8 minutes (range, 2.8-29.7 minutes) for the placebo group (P = .002). Air kerma averaged 91 mGy (range, 13-354 mGy) for the metoclopramide group versus 130 mGy (range, 24-525 mGy) for the placebo group (P = .04). Total procedure time averaged 16.4 minutes (range, 8-51 minutes) for the metoclopramide group versus 19.9 minutes (range, 6-53 minutes) for the placebo group (P = .04). There were no drug-related adverse events and no significant differences in procedure-related complications. A single dose of metoclopramide reduced fluoroscopy time by 34%, radiation dose by 30%, and procedure time by 17% during GJ tube placement.

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