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1.
Practical guidelines on endoscopic treatment for Crohn's disease strictures: a consensus statement from the Global Interventional Inflammatory Bowel Disease Group.
Shen, B, Kochhar, G, Navaneethan, U, Farraye, FA, Schwartz, DA, Iacucci, M, Bernstein, CN, Dryden, G, Cross, R, Bruining, DH, et al
The lancet. Gastroenterology & hepatology. 2020;(4):393-405
Abstract
Stricture formation is a common complication of Crohn's disease, resulting from the disease process, surgery, or drugs. Endoscopic balloon dilation has an important role in the management of strictures, with emerging techniques, such as endoscopic electroincision and stenting, showing promising results. The underlying disease process, altered bowel anatomy from disease or surgery, and concurrent use of immunosuppressive drugs can make endoscopic procedures more challenging. There is an urgent need for the standardisation of endoscopic procedures and peri-procedural management strategies. On the basis of an extensive literature review and the clinical experience of the consensus group, which consisted of representatives from the Interventional Inflammatory Bowel Disease Group, we propose detailed guidance on all aspects of the principles and techniques for endoscopic procedures in the treatment of inflammatory bowel disease-associated strictures.
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Small intestinal hemolymphangioma treated with enteroscopic injection sclerotherapy: A case report and review of literature.
Xiao, NJ, Ning, SB, Li, T, Li, BR, Sun, T
World journal of gastroenterology. 2020;(13):1540-1545
Abstract
BACKGROUND Hemolymphangiomas are rare malformations composed of both lymphatic and vascular vessels and are located in the pancreas, spleen, mediastinum, etc. Small intestinal hemolymphangioma is extremely rare and often presents as obscure gastrointestinal bleeding. It is rarely diagnosed correctly before the operation. Endoscopic injection sclerotherapy is usually used as a management of bleeding in esophageal varices and was occasionally reported as a treatment of vascular malformation. The treatment of small intestinal hemolymphangioma with enteroscopic injection sclerotherapy has not been reported. CASE SUMMARY A 42-year-old male complained of recurrent episodes of melena and dizziness, fatigue and reduced exercise capacity for more than 2 mo. Gastroduodenoscopy and blood test revealed a gastric ulcer and anemia. Treatment with oral proton-pump inhibitors and iron did not improve symptoms. We then performed a capsule endoscopy and anterograde balloon-assisted enteroscopy and revealed a hemolymphangioma. Considering it is a benign tumor without malignant potential, we performed enteroscopic injection sclerotherapy. He was discharged 4 days later. At follow-up 3 mo later, the melena disappeared. Balloon-assisted enteroscopy revealed an atrophied tumor atrophied and no bleeding. Argon plasma coagulation was applied to the surface of the hemolymphangioma to accelerated healing. When he returned for follow-up 1 year later, anemia was resolved and the tumor had been cured. CONCLUSION Balloon-assisted enteroscopy and capsule endoscopy are effective methods for diagnosis of hemolymphangioma. Enteroscopic injection sclerotherapy is an effective treatment.
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Effect of Vonoprazan on Delayed Bleeding after Endoscopic Submucosal Dissection for Gastric Neoplasia among Antithrombotic Drug Users: A Single-Center, Single-Arm Prospective Observational Case Control Study.
Yamamoto, S, Takayama, H, Shimodate, Y, Takezawa, R, Nishimura, N, Doi, A, Mouri, H, Matsueda, K, Mizuno, M, Okada, H
Acta medica Okayama. 2020;(3):245-250
Abstract
Antithrombotic therapy is a major risk factor for delayed bleeding after endoscopic submucosal dissection (ESD) for gastric neoplasia. A potassium-competitive acid blocker, vonoprazan, is expected to prevent delayed bleeding better than conventional proton pomp inhibitors (PPIs), but the evidence is controversial. We sought to clarify the efficacy of vonoprazan for prevention of delayed bleeding after gastric ESD in patients under antithrombotic therapy. We prospectively registered 50 patients who underwent gastric ESD while receiving antithrombotic therapy and vonoprazan in our institution between October 2017 and September 2018. The incidence of delayed bleeding was compared with that in a historical control group of 116 patients treated with conventional PPI. We also evaluated risk factors associated with delayed bleeding. Delayed bleeding was observed in 8 of 50 patients (16.0%), which was not dissimilar from the incidence in the historical control group (12.1%) (p=0.49). In the univariate analysis, age (> 70 years) (p=0.034), multiple antithrombotic drug use (p<0.01), procedure time (> 200 min) (p=0.038) and tumor size (> 40 mm) (p<0.01) were associated with delayed bleeding after gastric ESD, but vonoprazan was not (p=0.49). Vonoprazan may not be more effective than conventional PPIs in preventing delayed bleeding after gastric ESD in patients receiving antithrombotic therapy.
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4.
Endoscopic and Surgical Treatments for Gastroparesis: What to Do and Whom to Treat?
Petrov, RV, Bakhos, CT, Abbas, AE, Malik, Z, Parkman, HP
Gastroenterology clinics of North America. 2020;(3):539-556
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Abstract
Gastroparesis is a complex chronic debilitating condition of gastric motility resulting in the delayed gastric emptying and multiple severe symptoms, which may lead to malnutrition and dehydration. Initial management of patients with gastroparesis focuses on the diet, lifestyle modification and medical therapy. Various endoscopic and surgical interventions are reserved for refractory cases of gastroparesis, not responding to conservative therapy. Pyloric interventions, enteral access tubes, gastric electrical stimulator and gastrectomy have been described in the care of patients with gastroparesis. In this article, the authors review current management, indications, and contraindications to these procedures.
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Comparison of endoscopic versus laparoscopic resection for gastric gastrointestinal stromal tumors: A preliminary meta-analysis.
Zhu, H, Zhao, S, Jiao, R, Zhou, J, Zhang, C, Miao, L
Journal of gastroenterology and hepatology. 2020;(11):1858-1868
Abstract
BACKGROUND AND AIM For localized disease, complete surgical resection is regarded as the "gold standard" therapeutic modality. With the rapid development of endoscopic techniques, endoscopic resection (ESR) has been confirmed as an efficient and safe alternative for the treatment of gastrointestinal stromal tumors (GISTs) in the stomach. Nevertheless, the management of gastric GISTs remains poorly defined. The purpose of this study is to evaluate the security and effectiveness of ESR with laparoscopic resection (LAR) for gastric GISTs. METHODS A literature search of online databases was conducted to identify relevant comparative studies of ESR and LAR procedures for gastric GISTs published before April 10, 2020. The cumulative data analysis was also performed utilizing the software STATA. RESULTS In total, 10 studies involving 1165 patients met the inclusion criteria for analysis (651 for ESR and 514 for LAR). From the results of meta-analysis, patients who underwent ESR experienced decreased operative time (P = 0.000), less intraoperative blood loss (P = 0.002), earlier time to diet (P = 0.000), shorter hospital stay (P = 0.000), and lower total charges (P = 0.000) compared with LAR. Moreover, there were no significant differences between these two approaches concerning tumor rupture, conversion rate to other procedure, complete resection rate, postoperative complication rate, recurrence rate, and disease-free survival. CONCLUSIONS Endoscopic resection, as an effective alternative treatment strategy with satisfactory outcomes, is acceptable for selective patients with gastric GISTs compared with LAR. Further well-designed randomized controlled trials with large samples are warranted to corroborate our observations.
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Comparison of Clinical Outcomes Between Surgical Gastrostomy and Percutaneous Endoscopic Gastrostomy with Introducer Technique in Patients with Upper Aerodigestive Malignancies: A Single-Center Analysis.
Chang, A, Watcharamon, C, Rattanasupa, A, Thongsonkleeb, K, Chowdok, B, Khaimook, A, Ovartlarnporn, B, Prachayakul, V
World journal of surgery. 2020;(9):3070-3076
Abstract
BACKGROUND Conventional percutaneous endoscopic gastrostomy (PEG) in patients with upper aerodigestive malignancies inevitably carries a risk of stomal metastasis that could be avoided by the direct insertion of the gastrostomy tube through the abdomen. This study compared the efficacy and safety between surgical gastrostomy (SG) and Introducer PEG in patients with upper aerodigestive malignancies. METHODS We retrospectively reviewed patients with upper aerodigestive malignancies undergoing SG or Introducer PEG. Procedure data, postprocedural clinical outcomes and 30-day mortality were assessed. RESULTS In total, 99 patients were feasible to analysis: 53 were in the SG group, and 46 were in the Introducer PEG group. The SG group had a higher incidence of (in-hospital) major complications [28.3% VS 4.3%, p = 0.002], a longer procedure duration [52.02 ± 21.30 VS 21.46 ± 8.22 min, p < 0.001], higher pain scores at 24 h [median (interquartile range, IQR); 5(3-8) VS 1(0-5), p < 0.001] and longer length of hospitalization (LOH) [median (IQR); 5(4-6) days VS 3(2-4) days, p < 0.001)]. In-hospital (3.8% VS 0%, p = 0.493) and 30-day mortality (17.0% VS 13.0%, p = 0.586) were not different between the two groups. In univariate analysis, high BMI, anemia (hemoglobin <11 g/dL), normal nutritional status (serum albumin >3 g/dL) and procedural type were found to be predicting factors for complications. Procedural type (Introducer PEG) was an independent factor for major complications in multivariate analysis [OR = 0.12, 95% CI 0.02-0.61, p= 0.011]. CONCLUSIONS In patients with upper aerodigestive malignancies, Introducer PEG was associated with lower rate of (in-hospital) major complications, faster operative time, lower pain scores and shorter LOH. CLINICAL TRIALS REGISTRY NUMBER TCTR20181220004.
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Assessing Severity of Disease in Patients with Ulcerative Colitis.
Pabla, BS, Schwartz, DA
Gastroenterology clinics of North America. 2020;(4):671-688
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Abstract
Ulcerative colitis (UC) is a chronic disease that can present at various stages of disease activity and severity. Traditionally, severity scoring has focused on disease activity during a single moment with various tools, including patient-reported symptoms, as well as clinical, laboratory-based, endoscopic, histologic, and imaging variables. Optimal delivery of care depends on the accurate assessment of disease severity, which must take longitudinal variables into account. This article reviews the history of severity scoring in UC and provides a concise, clinically oriented approach to assessing disease severity.
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ASGE EndoVators Summit: simulators and the future of endoscopic training.
Walsh, CM, Cohen, J, Woods, KL, Wang, KK, Andersen, DK, Anderson, MA, Dunkin, BJ, Edmundowicz, SA, Faigel, DO, Law, JK, et al
Gastrointestinal endoscopy. 2019;(1):13-26
Abstract
Interest in the use of simulation for acquiring, maintaining, and assessing skills in GI endoscopy has grown over the past decade, as evidenced by recent American Society for Gastrointestinal Endoscopy (ASGE) guidelines encouraging the use of endoscopy simulation training and its incorporation into training standards by a key accreditation organization. An EndoVators Summit, partially supported by a grant from the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) of the National Institutes of Health, (NIH) was held at the ASGE Institute for Training and Technology from November 19 to 20, 2017. The summit brought together over 70 thought leaders in simulation research and simulator development and key decision makers from industry. Proceedings opened with a historical review of the role of simulation in medicine and an outline of priority areas related to the emerging role of simulation training within medicine broadly. Subsequent sessions addressed the summit's purposes: to review the current state of endoscopy simulation and the role it could play in endoscopic training, to define the role and value of simulators in the future of endoscopic training and to reach consensus regarding priority areas for simulation-related education and research and simulator development. This white paper provides an overview of the central points raised by presenters, synthesizes the discussions on the key issues under consideration, and outlines actionable items and/or areas of consensus reached by summit participants and society leadership pertinent to each session. The goal was to provide a working roadmap for the developers of simulators, the investigators who strive to define the optimal use of endoscopy-related simulation and assess its impact on educational outcomes and health care quality, and the educators who seek to enhance integration of simulation into training and practice.
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Robot-assisted surgery and endoscopic management of gastrocolic fistula: A rare complication of acute pancreatitis in a patient who had undergone sleeve gastrectomy.
Montoya-Ramírez, J, Aguilar-Espinosa, F, Gutiérrez-Salinas, J, Blas-Azotla, R, Aguilar-Soto, OA
Asian journal of endoscopic surgery. 2019;(4):465-468
Abstract
Ten years after undergoing sleeve gastrectomy, a 39-year-old man developed pancreatitis and, after recovery, presented with severe diarrhea. An image study showed barium contrast passing from the stomach to the colon. Before surgery, initial treatment consisted of parenteral nutrition and antibiotics. The patient then underwent robot-assisted resection of a gastrocolic fistula and omentoplasty. However, 72 h after surgery, the amount of suction drainage suggested that the fistulous track repair was leaking. Therefore, we decided to perform endoscopy to place a self-expanding covered stent at the gastroesophageal junction as well as a nasojejunal tube to continue nutritional supplementation. After the patient had fasted for 2 weeks, there was no evidence of leakage in the image studies. The patient was discharged after he had clinically improved, and the stent was removed at the end of 8 weeks. The combination of robot-assisted surgery and endoscopic management is effective for treating gastrocolic fistula.
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Virtual reality simulation training in endoscopy: a Cochrane review and meta-analysis.
Khan, R, Plahouras, J, Johnston, BC, Scaffidi, MA, Grover, SC, Walsh, CM
Endoscopy. 2019;(7):653-664
Abstract
BACKGROUND Endoscopy programs are increasingly integrating simulation training. We conducted a systematic review to determine whether virtual reality (VR) simulation training can supplement and/or replace conventional patient-based endoscopy training for health professional trainees with limited or no prior endoscopic experience. METHODS We searched medical, educational, and computer literature databases in July 2017 for trials that compared VR simulation training with no training, conventional training, another form of simulation training, or an alternative method of VR training. We screened, abstracted data, and performed quantitative analysis and quality assessment through Cochrane methodology. RESULTS We included 18 trials with 3817 endoscopic procedures. VR training provided no advantage over no training or conventional training based on the primary outcome of composite score of competency. VR training was advantageous over no training based on independent procedure completion (relative risk [RR] = 1.62, 95 % confidence interval [CI] 1.15 - 2.26, moderate-quality evidence), overall rating of performance (mean difference [MD] 0.45, 95 %CI 0.15 - 0.75, very low-quality evidence), and mucosal visualization (MD 0.60, 95 %CI 0.20 - 1.00, very low-quality evidence). Compared with conventional training, VR training resulted in fewer independent procedure completions (RR = 0.45, 95 %CI 0.27 - 0.74, low-quality evidence). We found no differences between VR training and no training or conventional training for other outcomes. Based on qualitative analysis, we found no significant differences between VR training and other forms of simulation training. VR curricula based in educational theory provided benefit with respect to composite score of competency, compared with unstructured curricula. CONCLUSIONS : VR simulation training is advantageous over no training and can supplement conventional endoscopy training. There is insufficient evidence that simulation training provides benefit over conventional training.