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Objective: The optimal management of acute cholecystitis in patients at very high risk for cholecystectomy is uncertain. The aim of the current study was to compare endoscopic ultrasound (EUS)-guided gallbladder drainage (EUS-GBD) to percutaneous cholecystostomy (PT-GBD) as a definitive treatment in these patients under a randomised controlled trial., Design: Consecutive patients suffering from acute calculous cholecystitis but were at very high-risk for cholecystectomy were recruited. The primary outcome was the 1-year adverse events rate. Secondary outcomes include technical and clinical success, 30-day adverse events, pain scores, unplanned readmissions, re-interventions and mortalities., Results: Between August 2014 to February 2018, 80 patients were recruited. EUS-GBD significantly reduced 1 year adverse events (10 (25.6%) vs 31 (77.5%), p<0.001), 30-day adverse events (5 (12.8%) vs 19 (47.5%), p=0.010), re-interventions after 30 days (1/39 (2.6%) vs 12/40 (30%), p=0.001), number of unplanned readmissions (6/39 (15.4%) vs 20/40 (50%), p=0.002) and recurrent cholecystitis (1/39 (2.6%) vs 8/40 (20%), p=0.029). Postprocedural pain scores and analgesic requirements were also less (p=0.034). The technical success (97.4% vs 100%, p=0.494), clinical success (92.3% vs 92.5%, p=1) and 30-day mortality (7.7% vs 10%, p=1) were statistically similar. The predictor to recurrent acute cholecystitis was the performance of PT-GBD (OR (95% CI)=5.63 (1.20-53.90), p=0.027)., Conclusion: EUS-GBD improved outcomes as compared to PT-GBD in those patients that not candidates for cholecystectomy. EUS-GBD should be the procedure of choice provided that the expertise is available after a multi-disciplinary meeting. Further studies are required to determine the long-term efficacy., Trial Registration Number: NCT02212717., Competing Interests: Competing interests: AYBT is a consultant for Boston Scientific, Cook, Taewoong and Microtech Medical Corporations., (© Author(s) (or their employer(s)) 2020. No commercial re-use. See rights and permissions. Published by BMJ.)

Background and Aim: Endoscopic ultrasound-guided gallbladder drainage (EUS-GBD) is an emerging option for acute cholecystitis in non-surgical candidates. Combining endoscopic retrograde cholangiopancreatography (ERCP) for common bile duct stones with EUS-GBD in a single session might become a non-surgical management strategy to comprehensively treat gallstone disease in selected patients., Methods: Single-center retrospective cohort study comparing outcomes between EUS-GBD alone (group A) and single-session ERCP combined with EUS-GBD (group B). Consecutive patients who underwent EUS-GBD with a lumen-apposing metal stent (LAMS) between June 2011 and August 2018 were analyzed. Exclusion criteria were subjects included in randomized clinical trials, patients who had had ERCP within 5 days of EUS-GBD, patients in whom ERCP or EUS-GBD was carried out for salvage of one or the other procedure, and patients who underwent concurrent EUS-guided biliary drainage., Results: One hundred and nine consecutive patients underwent EUS-GBD with LAMS during the study period. Seventy-one patients satisfied the inclusion criteria and 34 patients were in group A and 37 in group B. Baseline characteristics were similar in both groups. There were no significant differences in technical (97.1% vs 97.3%; P = 0.19) and clinical success rates (88.2% vs 94.6%; P = 0.42) of EUS-GBD in group A versus group B. Rate of adverse events was similar in both groups, five (14.7%) in group A versus five (13.5%) in group B., Conclusions: Single-session EUS-GBD combined with ERCP has comparable rates of technical and clinical success to EUS-GBD alone. A combined EUS-GBD and ERCP procedure does not appear to increase adverse events and makes possible comprehensive treatment of gallstone disease by purely endoscopic means., (© 2019 Japan Gastroenterological Endoscopy Society.)

Background and study aims  The aim of the current study was to review the outcomes of a large-scale international registry on endoscopic ultrasound-guided gallbladder drainage (EGBD) that encompasses different stent systems in patients who are at high-risk for cholecystectomy. Patients and methods  This was a retrospective international multicenter registry on EGBD created by 13 institutions around the world. Consecutive patients who received EGBD for several indications were included. Outcomes include technical and clinical success, unplanned procedural events (UPE), adverse events (AEs), mortality, recurrent cholecystitis and learning curve of the procedure. Results  Between June 2011 and November 2017, 379 patients were recruited to the study. Technical and clinical success were achieved in 95.3 % and 90.8 % of the patients, respectively. The 30-day AE rate was 15.3 % and 30-day mortality was 9.2 %. UPEs were significantly more common in patients with EGBD performed for conversion of cholecystostomy and symptomatic gallstones ( P  < 0.001); and by endoscopists with experience of fewer than 25 procedures ( P  = 0.033). Both presence of clinical failure ( P  = 0.014; RR 8.69 95 %CI [1.56 - 48.47]) and endoscopist experience with fewer than 25 procedures ( P  = 0.002; RR 4.68 95 %CI [1.79 - 12.26]) were significant predictors of 30-day AEs. Presence of 30-day AEs was a significant predictor of mortality ( P  < 0.001; RR 103 95 %CI [11.24 - 944.04]). Conclusion  EGBD was associated with high success rates in this large-scale study. EGBD performed for indications other than acute cholecystitis was associated with higher UPEs. The number of cases required to gain competency with the technique by experienced interventional endosonographers was 25 procedures.

Background and Aim: Endoscopic ultrasonography (EUS)-guided drainage (EUS-D) has become the standard treatment for peripancreatic fluid collections. Its use in other intra-abdominal abscesses has been reported, although there is limited evidence., Methods: We carried out a single-center retrospective cohort study comparing percutaneous drainage (PCD) and EUS-D of upper abdominal abscesses between January 2012 and June 2017. Pancreatic fluid collections and liver transplant recipients were excluded. Primary endpoints were technical and clinical success rates., Results: We included 18 EUS-D (nine hepatic and nine intraperitoneal abscesses) and 62 PCD. There were no differences regarding age, gender and etiology. Size was larger in the PCD group (80 vs 65.5 mm, P = 0.04) and perivesicular location was more frequent in the PCD group (24.2% vs 11.1%, P = 0.003). In the EUS-D group, metal stents were deployed in 16 (88.9%) subjects (eight lumen-apposing metal stents and eight self-expandable metal stents), coaxial double-pigtail plastic stents in six (33.3%) and lavage/debridement was carried out in five (27.8%). There were no significant differences in technical success (EUS-D: 88.9%, PCD: 96.8%, P = 0.22) or clinical success (EUS-D: 88.9%, PCD: 82.3%, P = 0.50), with no relapses in the EUS-D group and 10 (16.1%) in the PCD group (P = 0.11). There were four (22.2%) adverse events in the EUS-D group, none of them severe, and 13 (21%) in the PCD group (P = 0.91)., Conclusions: EUS-D is an alternative to PCD in the treatment of upper abdominal abscesses, reaching similar success, relapse and adverse events rates., (© 2019 Japan Gastroenterological Endoscopy Society.)

Background and study aims  Zenker's diverticulum may cause disabling symptoms, especially in the elderly. Treatment has changed in recent decades from open surgery to management with flexible endoscopy, resulting in lower morbidity and mortality. The goal of this study was to present the largest series, with the longest follow-up, of patients with Zenker's diverticulum receiving outpatient treatment with flexible endoscopy using a diverticuloscope and Ligasure (Covidien, Minneapolis, Minnesota, United States), a device that allows tissue sealing and coagulation of vessels before cutting the septum between the diverticulum and esophagus. Patients and methods  We performed 79 diverticulotomies in 69 patients (65.2 % male, mean age 73.4 years). The mean diverticulum size was 2.8 cm. In three cases with a diverticulum ≤ 1.5 cm, the diverticuloscope could not be placed. Results  The technical success was 95.83 % and the clinical success 96.7 %: 84 % of the 56 patients followed for a mean of 34.6 months (24 - 64 months) had no dysphagia. The recurrence rate was 10.4 %, with a good response to a second diverticulotomy at 12 months (IQR: 11.5 - 17) in most cases. The most severe complications were two microperforations, resolved with conservative treatment, and one case of delayed bleeding endoscopically-controlled with a clip. Conclusions  Diverticulotomy of the esophageal-diverticular septum with Ligasure is an outpatient endoscopic technique that is simple, effective in the long term and very safe for the treatment of patients with Zenker's diverticulum. In symptomatic recurrences, a second procedure was equally safe and effective in most patients.

Background: Direct-acting antivirals (DAAs) have revolutionized the treatment of hepatitis C, including transplant recipients with an advanced fibrosis stage. Our aim in this study was to assess the clinical and functional benefits and improvement in liver fibrosis after treatment with DAAs in liver transplant recipients with chronic hepatitis C virus who achieved sustained virologic response (SVR)., Methods: We retrospectively analyzed 42 patients who underwent liver transplantation (LT) at our institution and were treated with DAAs from June 2014 to December 2015. Two patients died, so we ultimately included 40 transplant patients with chronic hepatitis C who received DAAs and achieved SVR. We assessed liver function, fibrosis stage, and clinical features at the start of the treatment, and then at 6 and 12 months after SVR. The indication for LT was hepatocellular carcinoma in 8 patients (20%) and Child-Pugh score B/C in 32 patients (80%)., Results: The DAAs regimens were sofosbuvir plus daclatasvir (45.0%), simeprevir plus sofosbuvir (42.5%), sofosbuvir plus ledipasvir (7.5%), and ombitasvir/paritaprevir/ritonavir (5%). The mean Modified End-stage Liver Disease (MELD) score pretreatment was 10.78, and was 8.46 at 1 year after treatment (P < .05). In addition, fibrosis stage decreased significantly from 14.81 kPa to 9.07 kPa (FibroScan) at 12 months after SVR. Clinically, there was a significant improvement, including control of ascites and chronic hepatic encephalopathy., Conclusion: DAAs were used successfully in the treatment of hepatitis C after orthotopic liver transplantation and resulted in significant improvement in liver function as measured by MELD score, fibrosis level, and cirrhotic clinical condition, even in patients with very advanced disease., (Copyright © 2018 Elsevier Inc. All rights reserved.)

We present the case of an 82-year-old man with a history of heart failure, mitral regurgitation, type 2 DM, hypertension, dilated cardiomyopathy and a paroxysmal atrial flutter. The patient was under treatment with Sintrom. The patient presented to the emergency department due to melenic depositions of a one day evolution and dietary vomiting. There was no rectal bleeding and the patient was admitted three months previously due to self-limited melena with a normal gastroscopy. Anemia of 8 g and an overdose of Sintrom was diagnosed. A gastroscopy was performed and a large duodenal diverticulum with a fresh clot was found that was washed. A Dieulafoy lesion was subsequently found underneath with jet bleeding, which was sclerotic with adrenaline and a hemoclip. There was a favorable evolution after correcting the coagulopathy.

Background: Delayed gastrointestinal (GI) bleeding and stent migration are known adverse events which may occur following placement of lumen-apposing metal stents (LAMSs)., Methods: All consecutive patients who underwent LAMS placement between May 2011 and June 2017 at a single tertiary medical center were included. Demographics and procedural details were prospectively collected. Post-procedure follow-up and outcome measures were retrospectively collected. The cumulative risks of migration and LAMS-related GI bleeding were estimated using the life-table method. Risk predictors were assessed using Cox proportional hazards models., Results: We analyzed 250 patients (64.8 % men; median age 71.6 [interquartile range (IQR) 57.9 - 83.6]). Median follow-up was 78.5 days (IQR 31 - 246.5 days). Thirty-four stent migrations (13.6 %) occurred (5 symptomatic). On multivariable analysis, associations with migration included nasocystic drains (hazard ratio [HR] 6.5, 95 % confidence interval [CI] 2.2 - 19.3), pancreatic fluid collections (PFCs; HR 4.2, 95 %CI 1.8 - 10.1), and double-pigtail stents (HR 2.4, 95 %CI 1.2 - 4.9). Migration risk at 12 months was 25.5 % (95 %CI 17.9 % - 35.7 %) and was higher for PFCs 48.9 % (33.4 % - 66.9 %) than other indications 8.4 % (4.9 % - 17.5 %; P  < 0.001). LAMSs placed for longer durations (i. e. enteral anastomoses, biliary and gallbladder drainage) presented an 8.4 % cumulative risk at 2 years. There were 13 LAMS-related GI hemorrhages (5.2 %), two of them fatal, presenting a median of 3 days (IQR 1 - 9 days) after deployment. The cumulative risk of bleeding at 12 months was 6.9 % (3.6 % - 12.7 %)., Conclusions: LAMS migration occurs in 1 out of 7 cases and is most common when treating PFCs. Bleeding related to LAMS placement occurs much less commonly but can be life-threatening., Competing Interests: Dr. Ryan Law has received travel support from TaeWoong Medical. Dr. Manuel Perez-Miranda is a consultant for Boston Scientific and M.I.Tech and has lectured for Boston Scientific and Olympus. None of the remaining authors have potential conflicts of interests. No financial support was needed to conduct this study., (© Georg Thieme Verlag KG Stuttgart · New York.)

Bleeding complications are well known in the context of acute pancreatitis however, intramural hematomas of the superior gastrointestinal tract are rare. The treatment of choice, in absence of active bleeding or other complications, must be conservative, resulting in spontaneous resolution of the hematoma in most of the cases.