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Type: Journal article
Title: Gut symptoms in diabetics correlate with components of the rectoanal inhibitory reflex, but not with pudendal nerve motor latencies or systemic autonomic neuropathy
Author: Thiruppathy, K.
Bajwa, A.
Kuan, K.
Murray, C.
Cohen, R.
Emmanuel, A.
Citation: Journal of Digestive Diseases, 2015; 16(6):342-349
Publisher: Wiley
Issue Date: 2015
ISSN: 1751-2972
Statement of
Kumaran Thiruppathy, Adeel Bajwa, Kean Guan Kuan, Charles Murray, Richard Cohen, and Anton Emmanuel
Abstract: OBJECTIVE: Fecal incontinence (FI) occurs in up to 20% of diabetes mellitus (DM) patients. Rectoanal inhibitory reflex (RAIR) is an enteric anorectal reflex that reflects the integrity of mechanisms in the physiology of FI. We aimed to investigate whether diabetic patients with FI, not constipation, had prolongation of RAIR and altered gut-specific autonomic tone. METHODS: In this prospective case-matched study 31 type I DM (19 FI and 12 constipation) and 42 type II DM (26 FI and 16 constipation). Another 21 participants were included as controls. Patients underwent the following assessments: cardiovagal autonomic tone (Modified Mayo Clinic composite autonomic severity score), rectal mucosal blood flow (RMBF) (assessment of gut-specific autonomic tone) and RAIR. Three phases of RAIR and the amplitude of maximal reflex relaxation were compared between groups. All participants completed symptom scores for FI and constipation. RESULTS: RAIR recovery time back to resting pressure was slower in diabetic patients with FI than controls (8.7 s vs 3.6 s, P < 0.05) and was an independent variable correlating with symptoms of FI (P < 0.05). RAIR recovery time was correlated with RMBF (r = 0.58, P = 0.04). CONCLUSION: RAIR is correlated with anorectal symptoms of FI and was associated with gut-specific autonomic neuropathy.
Keywords: anorectal physiology; constipation; diabetes mellitus; fecal incontinence; rectoanal inhibitory reflex
Rights: © 2015 Chinese Medical Association Shanghai Branch, Chinese Society of Gastroenterology, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine and Wiley Publishing Asia Pty Ltd
RMID: 0030029585
DOI: 10.1111/1751-2980.12244
Appears in Collections:Medicine publications

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