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Median follow-up was 29 mo (7-51). Moderate postoperative dysphagia was noted in eight patients, all of which resolved after 3 mo without esophageal dilation. No mesh-related complications were detected. There were six hernia recurrences. Four patients were treated with redo-robotic fundoplication, and two were treated medically. Conclusions The success of robotic fundoplication depends on adhering to a few important technical principles. In our experience, the robotic surgical treatment of gastroesophageal reflux disease with large paraesophageal hernias may afford the surgeon increased dexterity and is feasible with comparable outcomes compared with traditional laparoscopic approaches. © 2020 by JSLS, Journal of the Society of Laparoscopic & Robotic Surgeons.Proton pump inhibitors use increases hepatic encephalopathy risk in patients with liver disease. ©The Author(s) 2020. Published by Baishideng Publishing Group Inc. All rights reserved.BACKGROUND Although deficient procedures performed by impaired physicians have been reported for many specialists, such as surgeons and anesthesiologists, systematic literature review failed to reveal any reported cases of deficient endoscopies performed by gastroenterologists due to toxic encephalopathy. Yet gastroenterologists, like any individual, can rarely suffer acute-changes-in-mental-status from medical disorders, and these disorders may first manifest while performing gastrointestinal endoscopy because endoscopy comprises so much of their workday. CASE SUMMARIES Among 181767 endoscopies performed by gastroenterologists at William-Beaumont-Hospital at Royal-Oak, two endoscopies were performed by normally highly qualified endoscopists who manifested bizarre endoscopic interpretation and technique during these endoscopies due to toxic encephalopathy. Case-1-endoscopist repeatedly insisted that gastric polyps were colonic polyps, and absurdly "pressed" endoscopic steering dials to "take" endoscopic photoagement (followed in both cases) 1-recognize incident as medical emergency demanding immediate action to prevent iatrogenic patient injury; 2- inform Chief-of-Gastroenterology; and 3-immediately intervene to abort endoscopy to protect patient. Syndromic features require further study. ©The Author(s) 2020. Published by Baishideng Publishing Group Inc. All rights reserved.BACKGROUND Peroral endoscopic myotomy (POEM) is a promising therapeutic modality for esophageal achalasia worldwide. However, clinical failure and adverse events of POEM have still been concerned. AIM To compare the efficacy and safety of a novel mark-guided POEM with standard POEM. METHODS A total of 133 patients with esophageal achalasia who underwent POEM from May 2013 to May 2019 were enrolled in this retrospective study. Of the 133 patients, there were 64 patients in the mark-guided POEM group and 69 patients in the standard POEM group. The clinical success, procedural duration and adverse events were compared between the two groups at 3 mo, 12 mo and 24 mo postoperatively. RESULTS Characteristic baseline was similar in the mark-guided POEM group and standard POEM group. The clinical success was comparable between the two groups, ranging from 92% to 98%, at 3 mo, 12 mo and 24 mo postoperatively (all P > 0.5). Eckart score, Gastroesophageal Reflux Disease Questionnaire score and SF-36 score were not different between the two groups after treatment (all P > 0.05). No severe adverse events occurred in the two groups. However, mark-guided POEM required shorter procedural duration, and less use of proton pump inhibitors and lower incidence of reflux symptoms than the standard POEM (all P less then 0.001). CONCLUSION Mark-guided POEM and standard POEM were both effective and safe for the treatment of esophageal achalasia. However, the mark-guided POEM was characterized by shorter procedural duration, less use of proton pump inhibitors and lower incidence of reflux symptoms. ©The Author(s) 2020. Published by Baishideng Publishing Group Inc. All rights reserved.BACKGROUND In clinical practice, the diagnosis is sometimes difficult with contrast-enhanced ultrasound (CEUS) when the case has an atypical perfusion pattern. Color parametric imaging (CPI) is an analysis software for CEUS with better detection of temporal differences in CEUS imaging using arbitrary colors. It measures the differences in arrival time of the contrast agent in lesions so that the perfusion features of atypical hemangioma and colorectal cancer (CRC) liver metastasis can be distinguished. AIM To evaluate the role of a novel type of CPI of CEUS in the differential diagnosis of atypical hemangioma from liver metastases in patients with a history of CRC. METHODS From January 2016 to July 2018, 42 patients including 20 cases of atypical hemangioma and 22 cases of liver metastases from CRC were enrolled. These patients had a mean age of 60.5 ± 9.3 years (range 39-75 years). All patients received ultrasound, CEUS and CPI examinations. Resident and staff radiologists independently and retrospectively r significantly higher than that of CEUS (0.803 vs 0.757, P = 0.036). By staff radiologists, accuracy was improved in CEUS+CPI (81.0% vs 54.8%, P = 0.010), whereas no significant differences in specificity and sensitivity were found (P = 0.144, P = 0.112). The AUC of CEUS+CPI was significantly higher than that of CEUS (0.890 vs 0.825, P = 0.013) by staff radiologists. ML390 cell line CONCLUSION Compared with routine CEUS, CPI could provide specific information on the hemodynamic features of liver lesions and help to differentiate atypical hemangioma from liver metastases in patients with CRC, even for senior radiologists. ©The Author(s) 2020. Published by Baishideng Publishing Group Inc. All rights reserved.BACKGROUND Although several techniques for endoscopic ultrasound-guided biliary drainage (EUS-BD) are available at present, an optimal treatment algorithm of EUS-BD has not yet been established. AIM To evaluate the clinical utility of treatment method conversion during single endoscopic sessions for difficult cases in initially planned EUS-BD. METHODS This was a single-center retrospective analysis using a prospectively accumulated database. Patients with biliary obstruction undergoing EUS-BD between May 2008 and April 2016 were included. The primary outcome was to evaluate the improvement in EUS-BD success rates by converting the treatment methods during a single endoscopic session. Secondary outcomes were clarification of the factors leading to the conversion from the initial EUS-BD and the assessment of efficacy and safety of the conversion as judged by technical success, clinical success, and adverse events (AEs). RESULTS A total of 208 patients underwent EUS-BD during the study period. For 18.8% (39/208) of the patients, the treatment methods were converted to another EUS-BD technique from the initial plan.
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