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Background and Aims Lumen-apposing metal stents (LAMSs) provide an endoscopic method for management of walled-off necrosis (WON) and a gateway for the performance of endoscopic necrosectomy (EN). However, bleeding may occur in up to 20% of EN procedures. Predictive factors for bleeding in this patient population are unknown, and there is no agreed-upon algorithm for management of bleeding. The aim of this study was to evaluate preprocedural risk factors for bleeding in patients undergoing endoscopic drainage or EN for WON. Methods A retrospective cohort of patients undergoing EN for WON was reviewed. Demographics, comorbidities, concurrent medications, and etiology of pancreatitis were recorded. Pre-, peri-, and postprocedural clinical variables were compared using Chi-squared test and independent t-test. Results Between June 2014 and October 2020, 536 EN were performed in 151 patients. Intraprocedural bleeding occurred during 28 procedures (5.2%) in 18 patients (11.9%.) Endoscopic hemostasis was attempted in 8 patients (10 procedures). Eight patients (10 procedures) in total were treated by IR. Thrombocytopenia (p = 0.006) and cirrhosis (p = 0.049) were associated with intraprocedural bleeding, although thrombocytopenia was present in only one patient. Identification of a vessel within the cavity endoscopically was also associated with bleeding (p Conclusions EN for WON was associated with a 5.2% per procedure risk of bleeding and an 11.9% per-patient bleeding risk. Identification of a vessel within the cavity during endoscopy is predictive of bleeding during EN. Patients who require more transfusions before endoscopy may require earlier intervention by IR.

Social media has made a noteworthy impact in health care both in public health efforts as well as transforming how physicians connect and exchange ideas. Learning how to navigate and leverage social media across multiple platforms is becoming increasingly difficult with more platforms and features constantly being introduced. Different physicians working in the same field will have different purposes behind getting on social media, but each physician plays a different role within this social media ecosystem. This article aims to identify the common benefits of health care social media use as well as navigate the unfortunate pitfalls of social media use.

Background and Aims EUS-directed transgastric ERCP (the EDGE procedure) is a simplified method of performing ERCP in Roux-en-Y gastric bypass patients. The EDGE procedure involves placement of a lumen-apposing metal stent (LAMS) into the excluded stomach to serve as a conduit for passage of the duodenoscope for pancreatobiliary intervention. Originally a multistep process, urgent indications for ERCP have led to the development of single-session EDGE (SS-EDGE) with LAMS placement and ERCP performed in the same session. The goal of this study was to identify predictive factors of intraprocedural LAMS migration in SS-EDGE. Methods We conducted a multicenter retrospective review that included 9 tertiary medical centers across the United States. Data were collected and analyzed from 128 SS-EDGE procedures. The primary outcome was intraprocedural LAMS migration. Secondary outcomes were other procedural adverse events such as bleeding and perforation. Results Eleven LAMS migrations were observed in 128 procedures (8.6%). Univariate analysis of clinically relevant variables was performed, as was a binary logistic regression analysis of stent diameter and stent dilation. This revealed that use of a smaller (15 mm) diameter LAMS was an independent predictor of intraprocedural stent migration (odds ratio, 5.36; 95% confidence interval, 1.29-22.24; P = .021). Adverse events included 3 patients who required surgery and 2 who experienced intraprocedural bleeding. Conclusions Use of a larger-diameter LAMS is a predictive factor for a nonmigrated stent and improved procedural success in SS-EDGE. Although larger patient cohorts are needed to adequately assess these findings, performance of LAMS dilation and fixation may also decrease risk of intraprocedural LAMS migration and improve procedural success.

Background Endoscopic ultrasound-directed transgastric endoscopic retrograde cholangiopancreatography (ERCP; EDGE) is an alternative to enteroscopy- and laparoscopy-assisted ERCP in patients with Roux-en-Y gastric bypass anatomy. Although short-term results are promising, the long-term outcomes are not known. The aims of this study were: (1) to determine the rates of long-term adverse events after EDGE, with a focus on rates of persistent gastrogastric or jejunogastric fistula; (2) to identify predictors of persistent fistula; (3) to assess the outcomes of endoscopic closure when persistent fistula is encountered. Methods This was a multicenter retrospective study involving 13 centers between February 2015 and March 2019. Adverse events were defined according to the ASGE lexicon. Persistent fistula was defined as an upper gastrointestinal series or esophagogastroduodenoscopy showing evidence of fistula. Results 178 patients (mean age 58 years, 79 % women) underwent EDGE. Technical success was achieved in 98 % of cases (175/178), with a mean procedure time of 92 minutes. Periprocedural adverse events occurred in 28 patients (15.7 %; mild 10.1 %, moderate 3.4 %, severe 2.2 %). The four severe adverse events were managed laparoscopically. Persistent fistula was diagnosed in 10 % of those sent for objective testing (9/90). Following identification of a fistula, 5 /9 patients underwent endoscopic closure procedures, which were successful in all cases. Conclusions The EDGE procedure is associated with high clinical success rates and an acceptable risk profile. Persistent fistulas after lumen-apposing stent removal are uncommon, but objective testing is recommended to identify their presence. When persistent fistulas are identified, endoscopic treatment is warranted, and should be successful in closing the fistula.

Introduction To evaluate compliance with confidentiality and conflicts of interest (COI) in tweets sharing gastrointestinal (GI) endoscopy videos/images. Methods Physicians' tweets containing GI endoscopy videos/images were assessed for confidentiality and COI compliance. Results Identifiable details in tweets included procedure date (17.9%), date of birth (0.8%), and patient's face visible (0.5%). Ninety-five tweets (10%) mentioned the name/brand of a medical device. Of the 19 posted by US physicians, 7 came from physicians who had received payments from the device manufacturer. None of these physicians disclosed relevant COI. Discussion GI endoscopy tweets describing clinical cases or procedures may insufficiently address issues of confidentiality and COI.

Background Medical journals increasingly promote published content through social media platforms such as Twitter. However, gastroenterology journals still rank below average in social media engagement. Objective We aimed to determine the engagement patterns of publications in gastroenterology journals on Twitter and evaluate the impact of tweets on citations. Methods This was a retrospective cohort study comparing the 3-year citations of all full-length articles published in five major gastroenterology journals from January 1, 2012, to December 31, 2012, tweeted by official journal accounts with those that were not. Multivariate analysis using linear regression was performed to control for journal impact factor, time since publication, article type, frequency of reposting by other users (“retweets”), and media addition to tweets. Secondary analyses were performed to assess the associations between article type or subtopic and the likelihood of social media promotion/engagement. Results A total of 1666 articles were reviewed, with 477 tweeted by the official journal account. Tweeting an article independently predicted increased citations after controlling for potential confounders (β coefficient=13.09; P=.007). There was significant association between article type and number of retweets on analysis of variance (ANOVA) (P Conclusions Tweeting of gastroenterology journal articles independently predicted higher 3-year citations. Wider adoption of social media to increase reach and measure uptake of published research should be considered.

Although there is a large amount of user-generated content about urological health issues on social media, much of this content has not been vetted for information accuracy. In this article, we review the literature on the quality and balance of information on urological health conditions on social networks. Across a wide range of benign and malignant urological conditions, studies show a substantial amount of commercial, biased and/or inaccurate information present on popular social networking sites. The healthcare community should take proactive steps to improve the quality of medical information on social networks. PATIENT SUMMARY: In this review, we examined the spread of misinformation about urological health conditions on social media. We found that a significant amount of the circulating information is commercial, biased or misinformative.

Background: Patients often look to social media as an important tool to gather information about institutions and professionals. Since 1990, United States News and World Report (USNWR) has published annual rankings of hospitals and subspecialty divisions. It remains unknown if social media presence is associated with the USNWR gastroenterology and gastrointestinal (GI) surgery divisional rankings, or how changes in online presence over time affects division ranking. Objective: The objective of this study was to determine if social media presence is associated with USNWR gastroenterology and GI surgery divisional rankings and to ascertain how changes in online presence over time affect division rankings. Methods: Social media presence among the top 30 institutions listed in the 2014 USNWR gastroenterology and GI surgery divisional rankings were assessed using Pearson’s correlation coefficients and multivariate analysis, controlling for covariates. Linear and logistic regression using data from 2014 and 2016 USNWR rankings were then used to assess the association between institutional ranking or reputation score with any potential changes in numbers of followers over time. Sensitivity analysis was performed by assessing the area under the receiver operating characteristic curve to determine the follower threshold associated with improved or maintained ranking, which was done by dichotomizing changes in followers at values between the 7000 and 12,000 follower mark. Results: Twitter follower count was an independent predictor of divisional ranking (β=.00004; P

Social media is an emerging tool for scholarship and education; however, there is limited guidance on how to incorporate social media scholarship into one’s curriculum vitae. We outline the importance of recognizing gastroenterology-focused social media scholarship and present a standardized method for reporting.

Background and Aims Transjugular intrahepatic portosystemic shunting involves the creation of a low-resistance channel between the portal vein (PV) and the hepatic vein (HV), and is routinely performed under angiography. The aims were to evaluate (1) safety and technical feasibility; (2) procedural duration; and (3) subjective workload assessment of EUS-guided intrahepatic portosystemic shunt (EIPS). Methods Five Yorkshire pigs were used in the study. The HV or inferior vena cava (IVC) was identified using a linear-array echoendoscope and accessed with a 19-G FNA needle preloaded with a digital pressure wire. Mean pressure was recorded. The needle was advanced into the PV, where pressure measurements were again taken, and ultimately exchanged over a guidewire. A lumen-apposing metal stent was deployed under EUS and fluoroscopic guidance, with distal and proximal ends positioned inside the PV and HV (IVC), respectively. Dilation was performed, and pressure measurements repeated. The National Aeronautics and Space Administration (NASA) Task Load Index (TLI) was scored. Animals survived 2 weeks before necropsy. Results EIPS was successful in 5 out of 5 pigs. Mean time required for EUS identification, needle access, pressure measurement, and stent placement was 43 (31-55) minutes. NASA TLI scores revealed moderate workload. Mean baseline pressure measurements were PV 7.0 (5-9) and HV/IVC 5.0 (3-7) mm Hg and PV 6.3 (5-7) and HV/IVC 6.0 (4-7) mm Hg after. All animals survived 2 weeks. No bleeding was seen on necropsy. Conclusions This study demonstrates the technical feasibility of EIPS using LAMS, with direct portal pressure measurement, in a survival model. In addition, the procedure was performed quickly with moderate technical demand.

Purpose of review Obesity and its comorbid illnesses affect millions worldwide and are one of the major causes of preventable death in the world. Bariatric surgery is currently offered to individuals with a BMI greater than 40 kg/m or greater than 35 kg/m with obesity-related comorbidities such as hypertension or diabetes. Endoscopic bariatric therapies, with their reduced invasiveness and potential reversibility, may complement surgical approaches for achieving weight loss. Recent findings At the time of this writing, two endoscopically placed intragastric balloons and an endoscopically placed aspiration tube have been approved by the Food and Drug Administration for weight loss purposes. Some devices employ a suturing platform to create plications or to appose two surfaces. Other endoscopic strategies under investigation to treat obesity-related comorbidities such as diabetes include duodenal mucosal resurfacing and creation of a partial jejunoileal diversion using self-assembling magnets. Summary Current endoscopic methods for the treatment of obesity utilize various mechanisms, including occupying gastric volume, reducing gastric capacity, altering caloric absorption, or aspirating gastric contents. The long-term outcomes and cost-effectiveness of these strategies remain to be fully elucidated. The landscape of endoscopic bariatric therapies continues to evolve.

Social media activity in the area of scientific journal publications has increased significantly over the last decade. Several studies have suggested that journal article citations can be positively impacted by an increase in social media activity. Preliminary data have also suggested that published articles in the field of gastroenterology and hepatology that were discussed on Twitter were independently associated with higher citation rates compared with those that were not. Gastrointestinal Endoscopy (GIE) is the most widely cited endoscopy-focused journal in the world. We aimed to assess the association of social media exposure of published articles in GIE and its impact on article citations.Data regarding journal article publication status, number of citations per article, and social media exposure per article using Altmetric data were collected from the publisher. All original articles published in GIE from 2000 to 2016 were reviewed. Editorials, case reports, and other nonresearch correspondence were excluded. Multivariable linear regression was used to assess for independent Altmetric predictors of higher citation rates over time. Logistic regression was used to assess the impact of an article mention on various social media platforms and whether it was cited during the study period.A total of 2361 original research articles were evaluated; 2050 articles (86.8%) were cited at least once during the follow-up period. Mean number of citations per article was 16.8 ± 23. The average Altmetric Attention score was 2.0 ± 13. The most profound independent predictor of article citation was whether an article was tweeted (odds ratio [OR], 14.2; 95% confidence interval [CI], 8.93-22.45). Other predictors were Facebook posts (OR, 1.08; 95% CI, 1.03-1.51) and number of Mendeley readers (OR, 1.359; 95% CI, 1.28-1.45). On multivariable linear regression, number of tweeters (β = 2.3, P = .022), F1000 reviews (β = 5.87, P .001), policy documents (β = 7.6, P .001), and number of Mendeley readers (β = 14.21, P .001) were significantly associated with higher citation rates of published articles.For original articles published in GIE, there was a strong association between social media exposure on Twitter and rates of journal article citations. To a lesser degree, Facebook posts and Mendeley readers also were associated with a higher rate of article citations. This could represent both cause and effect and may be representative of higher quality articles being more commonly mentioned on social media by third-party users. A randomized controlled study evaluating different degrees of social media exposure on individual articles could be considered to further assess for causality.