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Background: Gastro-bronchial and gastro-colic fistulas (GB-GC) represent a rare, but serious complication after laparoscopic sleeve gastrectomy (LSG). The aim of this study is to evaluate the efficacy of endoscopic first-line approach with endoscopic internal drainage (EID) by inserting double pigtail stents (DPS) Methods: We retrospectively analyzed data from 40 consecutive patients referred at two tertiary centers for gastro-bronchial (N=30) and gastrocolic (N=10) fistulas following LSG. Nineteen patients previously experienced emergency surgical drainage. The mean interval between the index surgery and endoscopic fistula treatment was 265.6±521 days. Results: Healing of the fistulous tract was achieved in 19 patients (47.5%), with complete resolution at an average follow-up of 16 months. Mean time of treatment duration was 157.8±141 days with 5.0±2.9 endoscopic sessions. No major adverse events were registered. Conclusions: Despite complete fistula healing was achieved in less than 50% of our population, EID for GB/GC fistula after LSG still represents the most conservative approach with low complications rate. Previous surgical drainage seems to be a positive prognostic factor for endoscopic healing. While the longer the interval between the index surgery and endoscopic treatment, the lower was the rate of treatment success. Graphical abstract: [Figure not available: see fulltext.]

BACKGROUND: Water balance influences gastrointestinal (GI) activity. Our aim was to evaluate how dehydration and rehydration with different types of water are able to affect GI activity in healthy and dyspeptic athletes. METHODS: Twenty non-competitive athletes, respectively 10 healthy and 10 dyspeptic subjects, were enrolled. All subjects underwent three test sessions (0, A, B) of 6 hours. Dehydration was achieved with a walking/jogging exercise test on a treadmill. After exercising, 500 mL of calcium-bicarbonate (Test A) or soft water (Test B) were administered, while no rehydration was provided during Test 0; thereafter, all subjects consumed a light lunch. GI symptoms were evaluated during each test and an electrocardiogram (ECG) Holter recording was performed at the end of the exercise. KEY RESULTS:Dyspeptic subjects exhibited higher overall symptoms during Test 0 (VAS: 30.8 ± 0.8 mm) compared to Test A (18.4 ± 1.1, P < 0.001) and Test B (24.4 ± 1.3, P < 0.001). However, analyzing GI symptoms, only subjects receiving calcium-bicarbonate water (Test A) showed significantly lower symptomatic scores compared to Test 0 or Test B. Moreover, heart rate variability analyses revealed that only in Test A dyspeptic patients exhibit a trend to a decrease in the post-prandial low/high frequency (LF/HF) ratio, similarly to healthy subjects, while in Test 0 and Test B, post-prandial LF/HF ratio was increased compared to the pre-prandial phase. CONCLUSIONS AND INFERENCES: Our results show that mild dehydration in dyspeptic athletes is able to increase GI symptoms but an adequate rehydration, with calcium-bicarbonate water, is able to improve post-exercise disturbances restoring sympathovagal imbalance

Introduction Symptomatic uncomplicated diverticular disease (SUDD) is one of the possible clinical manifestations of diverticular disease. It is a common disorder characterized by chronic abdominal symptoms ranging from lower left abdominal pain to alteration of bowel habit, that significantly reduce quality of life of subject affected. The present article aims to review the current data for medical management of SUDD. Evidence acquisition We analyzed the existing literature on the factors involved in the pathogenesis of SUDD and we highlighted the possible target for treatment. Treatment for SUDD should be direct to relieve chronic symptoms and prevent diverticulitis and its complications. In particular we focused on the role of probiotics, fiber-diet, mesalazine and rifaximin on these two aspects. In this setting, we conducted a PubMed search for guidelines, systematic reviews and meta-analyses and updated information to October 2016. Evidence synthesis Each topic was evaluated according to the best evidences available. Best results seemed to be obtained with combined therapies and in particular with rifaximin associated to high fiber-diet. This regimen seems to guarantee better symptoms control compared to fiber alone and it is more effective in preventing acute diverticulitis. On the contrary, no clear evidences about the efficacy of mesalazine and probiotics are available. Conclusions The results of the studies available in literature are controversial and debatable, for this reason a clear and defined algorithm for treatment of SUDD has not yet been defined. Further randomized, double-blind, placebo controlled study are necessary.

AIM: To evaluate how different levels of adherence to a mediterranean diet (MD) correlate with the onset of functional gastrointestinal disorders. METHODS: As many as 1134 subjects (598 M and 536 F; age range 17-83 years) were prospectively investigated in relation to their dietary habits and the presence of functional gastrointestinal symptoms. Patients with relevant chronic organic disease were excluded from the study. The Mediterranean Diet Quality index for children and adolescents (KIDMED) and the Short Mediterranean Diet Questionnaire were administered. All subjects were grouped into five categories according to their ages: 17-24 years; 25-34; 35-49; 50-64; above 64. RESULTS: On the basis of the Rome III criteria, our population consisted of 719 (63.4%) individuals who did not meet the criteria for any functional disorder and were classified as controls (CNT), 172 (13.3%) patients meeting criteria for prevalent irritable bowel syndrome (IBS), and 243 (23.3%) meeting criteria for prevalent functional dyspepsia (FD). A significantly lower adherence score in IBS (0.57 ± 0.23, P < 0.001) and FD (0.56 ± 0.24, P < 0.05) was found compared to CNT (0.62 ± 0.21). Females with FD and IBS exhibited significantly lower adherence scores (respectively 0.58 ± 0.24, P < 0.05 and 0.56 ± 0.22, P < 0.05) whereas males were significantly lower only for FD (0.53 ± 0.25, P < 0.05). Age cluster analyses showed a significantly lower score in the 17-24 years and 25-34 year categories for FD (17-24 years: 0.44 ± 0.21, P < 0.001; 25-34 years: 0.48 ± 0.22, P < 0.05) and IBS (17-24 years: 0.45 ± 0.20, P < 0.05; 24-34 years: 0.44 ± 0.21, P < 0.001) compared to CNT (17-24 years: 0.56 ± 0.21; 25-34 years: 0.69 ± 0.20). CONCLUSION: Low adherence to MD may trigger functional gastrointestinal symptoms, mainly in younger subjects. Moreover, with increasing age, patients tend to adopt dietary regimens closer to MD.