PMID- 28799115 OWN - NLM STAT- MEDLINE DCOM- 20180822 LR - 20191008 IS - 1432-2218 (Electronic) IS - 0930-2794 (Print) IS - 0930-2794 (Linking) VI - 31 IP - 12 DP - 2017 Dec TI - Remnant gastropathy due to bile reflux after Roux-en-Y gastric bypass: a unique cause of abdominal pain and successful treatment with ursodiol. PG - 5399-5402 LID - 10.1007/s00464-017-5621-y [doi] AB - BACKGROUND: Chronic abdominal pain can occur after Roux-en-Y gastric bypass (RYGB), and can remain unexplained despite extensive investigation. Bile can pool in the gastric remnant and create a bile reflux gastropathy. The aim of this study was to assess gastric remnant findings in patients with RYGB and chronic abdominal pain of unclear etiology, and to determine the effectiveness of ursodiol therapy for patients with confirmed remnant gastropathy. METHODS: All consecutive patients with RYGB and a diagnosis of chronic abdominal pain, and a negative diagnostic workup (including physical examination, routine laboratory work, cross-sectional imaging, and standard upper endoscopy), who underwent device-assisted enteroscopy for evaluation of the gastric remnant, were included. Pathology reports, treatments, and clinical follow-up were recorded. RESULTS: 28 post-RYGB patients (all female) with chronic abdominal pain and negative evaluation were included. Pooling of bile with gastric erythema was noted in 22/28 patients. All 22 patients with endoscopic erythema had pathology consistent with bile reflux chemical gastropathy. Of these patients, 12 were started on a proton pump inhibitor (PPI) alone, and 10 were started on ursodiol. Of the ursodiol group, 8/10 (80%) patients reported substantial improvement or resolution of abdominal pain at clinical follow-up. All three ursodiol patients with repeat endoscopic examination of the gastric remnant had endoscopic and histologic resolution of gastropathy. Of the PPI patients, 1/12 reported improvement in abdominal pain at clinical follow-up (p = 0.002), and both patients with repeat endoscopic examination of the gastric remnant had persistent remnant gastropathy. CONCLUSIONS: Roux-en-Y gastric bypass patients with unexplained chronic pain, and biopsy-confirmed chemical gastropathy, had a significantly higher rate of abdominal pain resolution with ursodiol treatment compared to PPI. Remnant gastropathy due to bile reflux is a treatable cause of chronic abdominal pain in RYGB patients, and ursodiol should be considered for empiric treatment in RYGB patients with unexplained chronic abdominal pain. FAU - Kumar, Nitin AU - Kumar N AD - Division of Gastroenterology, Hepatology and Endoscopy, Brigham & Women's Hospital, 75 Francis St., Thorn 1404, Boston, MA, 02115, USA. AD - Harvard Medical School, Boston, MA, 02115, USA. FAU - Thompson, Christopher C AU - Thompson CC AUID- ORCID: 0000-0002-6105-5270 AD - Division of Gastroenterology, Hepatology and Endoscopy, Brigham & Women's Hospital, 75 Francis St., Thorn 1404, Boston, MA, 02115, USA. cthompson@hms.harvard.edu. AD - Harvard Medical School, Boston, MA, 02115, USA. cthompson@hms.harvard.edu. LA - eng GR - P30 DK034854/DK/NIDDK NIH HHS/United States GR - T32 DK007533/DK/NIDDK NIH HHS/United States GR - P30 DK034854/National Institutes of Health/ GR - T32 DK007533/National Institutes of Health/ PT - Journal Article DEP - 20170810 PL - Germany TA - Surg Endosc JT - Surgical endoscopy JID - 8806653 RN - 0 (Cholagogues and Choleretics) RN - 724L30Y2QR (Ursodeoxycholic Acid) SB - IM MH - Abdominal Pain/*drug therapy/etiology MH - Bile Reflux/*drug therapy/etiology MH - Cholagogues and Choleretics/*therapeutic use MH - Female MH - Gastric Bypass/*adverse effects/methods MH - Gastric Stump/*pathology/surgery MH - *Gastroscopy/adverse effects MH - Humans MH - *Laparoscopy/methods MH - Retrospective Studies MH - Treatment Outcome MH - Ursodeoxycholic Acid/*therapeutic use PMC - PMC5716841 MID - NIHMS899312 OTO - NOTNLM OT - Abdominal pain OT - Bile OT - Remnant gastropathy OT - Roux-en-Y gastric bypass OT - Ursodiol EDAT- 2017/08/12 06:00 MHDA- 2018/08/23 06:00 PMCR- 2018/12/01 CRDT- 2017/08/12 06:00 PHST- 2016/12/20 00:00 [received] PHST- 2017/05/16 00:00 [accepted] PHST- 2017/08/12 06:00 [pubmed] PHST- 2018/08/23 06:00 [medline] PHST- 2017/08/12 06:00 [entrez] PHST- 2018/12/01 00:00 [pmc-release] AID - 10.1007/s00464-017-5621-y [pii] AID - 10.1007/s00464-017-5621-y [doi] PST - ppublish SO - Surg Endosc. 2017 Dec;31(12):5399-5402. doi: 10.1007/s00464-017-5621-y. Epub 2017 Aug 10.