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Gastroesophageal reflux disease (GERD) symptoms frequently recur after cessation of acid blockers. The presence of a hiatal hernia may worsen GERD symptoms and increase the risk of esophageal malignancy. The aim of this study is to clarify the timing and predictors for recurrence of GERD symptoms after cessation of vonoprazan (VPZ) therapy. A retrospective observational study involved 86 patients who underwent cessation of VPZ therapy for symptomatic GERD. Collated data from medical record review included the endoscopic findings and Izumo scale score. The mean duration of continuous VPZ therapy before cessation was 7.9 months. GERD symptoms requiring the resumption of VPZ therapy recurred in 66 of 86 patients (77%). Kaplan-Meier analysis showed that overall recurrence-free rates at 6 months, one and two years after VPZ cessation were 44%, 32% and 23%, respectively. Alcohol use, the presence of a hiatal hernia and long-term therapy for more than six months were identified as significant positive predictors for symptomatic recurrence. Notably, hiatal hernia had the highest hazard ratio in both univariate and multivariate analyses. The recurrence-free rate in patients with a hiatal hernia was much lower at 6 months than in patients without a hiatal hernia (15% and 51%, respectively p = 0.002). After the symptomatic recurrence, GERD symptoms improved significantly after one-month VPZ therapy. The rate of symptomatic recurrence after VPZ cessation in patients with GERD is considerable. Cessation of acid suppression therapy should be cautious in patients with both a hiatal hernia and GERD. [ABSTRACT FROM AUTHOR]

Background: The main therapeutic modality of early upper gastrointestinal neoplasms has shifted from surgery to endoscopic therapy. The role of endoscopy has also expanded not only for more accurate diagnosis of neoplasms but also for the determination of extent and depth of neoplasms with a combination of multiple electronically modified images acquired with image-enhanced endoscopy (IEE) for assessing the feasibility of endoscopic treatment. Summary: These IEE with or without magnifying endoscopy including narrow-band imaging, blue laser imaging, and linked color imaging (LCI) using narrow-band light have greatly changed the diagnosis for upper gastrointestinal neoplasms. These modalities produce high color contrast between cancer and surrounding mucosa at distant views and clear visualization of surface and vessels at close-up observations. LCI shows purple color of intestinal metaplasia (IM) distinct from other inflammatory gastric mucosae and facilitates the recognition of early gastric cancers often surrounded by IM. Recently, ultrathin endoscopy has provided high-resolution images similar to standard-caliber endoscopy. In addition, these advanced IEEs that integrate computer-assisted artificial intelligence systems are marked and will improve our diagnostic performance for neoplasia in the future. Key Message: New IEE with sufficient brightness and color contrast has increasingly been used based on accumulated evidence for early and accurate detection of neoplastic lesions. We provide recent articles relevant to endoscopic diagnosis with IEE on esophageal, gastric, and duodenal neoplasms. Endoscopic equipment that integrates artificial intelligence support system is now being introduced into routine clinical use and is expected to enhance early detection of neoplastic lesions. [ABSTRACT FROM AUTHOR]

Objectives: This study aimed to elucidate the clinical course and management of adverse events (AEs) after endoscopic resection (ER) for superficial duodenal epithelial tumors (SDETs). Methods: Consecutive patients who underwent ER of SDETs between January 2008 and July 2018 at 18 Japanese institutions were retrospectively enrolled. The study outcomes included the clinical course, management, and risk of surgical conversion with perioperative AEs after ER for SDETs. Results: Of the 226 patients with AEs, the surgical conversion rate was 8.0% (18/226), including 3.7% (4/108), 1.0% (1/99), and 50.0% (12/24) of patients with intraoperative perforation, delayed bleeding, or delayed perforation, respectively. In the multivariate logistic analysis, involvement of the major papilla (odds ratio [OR] 12.788; 95% confidence interval [CI] 2.098–77.961, P = 0.006) and delayed perforation (OR 37.054; 95% CI 10.219–134.366, P < 0.001) were significant risk factors for surgical conversion after AEs. Delayed bleeding occurred from postoperative days 1–14 or more, whereas delayed perforation occurred within 3 days in all cases. Conclusions: The surgical conversion rate was higher for delayed perforation than those for other AEs after ER of SDETs. Involvement of the major papilla and delayed perforation were significant risk factors for surgical conversion following AEs. In addition, reliable prevention of delayed perforation is required for 3 days after duodenal ER to prevent the need for surgical interventions. [ABSTRACT FROM AUTHOR]