Neurogastroenterology and motility · 2017
Pathophysiology of fecal incontinence in obese patients: A prospective case-matched study of 201 patients.
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Brochard C, Vénara A, Bodère A, Ropert A, Bouguen G, Siproudhis L
Аннотация
BACKGROUND: Obesity is an emerging risk factor for fecal incontinence (FI). The aim of this study was to characterize pathophysiologic mechanisms of FI in obese patients compared with non-obese patients in a prospective case-matched study.
METHODS: The general characteristics and data of the anorectal manometry and endosonography of patients who were evaluated for FI at a single institution from 2005 to 2015 were prospectively assessed. Fecal incontinence was defined by a Cleveland Clinic Incontinence Score (CCIS) >4. Obesity was defined by a body mass index ≥30 kg/m2 . Obese patients were case-matched with two age- and sex-matched non-obese patients.
KEY RESULTS: A total of 201 patients were included (67 obese matched with 134 non-obese). The CCIS, Knowles-Eccersley-Scott Symptom Constipation Score and quality of life score were comparable between obese and non-obese patients with FI. Factors significantly associated with obesity in FI patients were cholecystectomy (odds ratio [OR]=3.45 [1.19-10.32], P=.0230), irritable bowel syndrome - diarrhea (OR=2.94 [1.22-7.19], P=.0158), upper part of the anal canal resting pressure ≥22 mm Hg (OR=3.45 [1.45-8.76], P=.0045), maximum rectal tolerable volume ≥240 mL (OR=3.14 [1.34-7.54], P=.0082), and abdominal pressure ≥28 mm Hg (OR=2.75 [1.13-7.33], P=.0248) by multivariate analysis.
CONCLUSIONS & INFERENCES: Obese patients with FI had a comparable severity of FI to that of non-obese patients with FI. Regarding obesity in patients with FI, physicians should focus on stool consistency.
METHODS: The general characteristics and data of the anorectal manometry and endosonography of patients who were evaluated for FI at a single institution from 2005 to 2015 were prospectively assessed. Fecal incontinence was defined by a Cleveland Clinic Incontinence Score (CCIS) >4. Obesity was defined by a body mass index ≥30 kg/m2 . Obese patients were case-matched with two age- and sex-matched non-obese patients.
KEY RESULTS: A total of 201 patients were included (67 obese matched with 134 non-obese). The CCIS, Knowles-Eccersley-Scott Symptom Constipation Score and quality of life score were comparable between obese and non-obese patients with FI. Factors significantly associated with obesity in FI patients were cholecystectomy (odds ratio [OR]=3.45 [1.19-10.32], P=.0230), irritable bowel syndrome - diarrhea (OR=2.94 [1.22-7.19], P=.0158), upper part of the anal canal resting pressure ≥22 mm Hg (OR=3.45 [1.45-8.76], P=.0045), maximum rectal tolerable volume ≥240 mL (OR=3.14 [1.34-7.54], P=.0082), and abdominal pressure ≥28 mm Hg (OR=2.75 [1.13-7.33], P=.0248) by multivariate analysis.
CONCLUSIONS & INFERENCES: Obese patients with FI had a comparable severity of FI to that of non-obese patients with FI. Regarding obesity in patients with FI, physicians should focus on stool consistency.