Kenneth J. Chang
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View article: Approach to management of bleeding during EUS-guided liver biopsy: salvage therapy using absorbable gelatin sponge
Approach to management of bleeding during EUS-guided liver biopsy: salvage therapy using absorbable gelatin sponge Open
The use of an absorbable gelatin sponge slurry represents a promising salvage technique for managing bleeding during EUS-LB when conventional methods fail.
View article: American Foregut Society White Paper on the Endoscopic Assessment of the Gastroesophageal Valve After Anti-Reflux Surgery
American Foregut Society White Paper on the Endoscopic Assessment of the Gastroesophageal Valve After Anti-Reflux Surgery Open
Background: Pathologic reflux is a common debilitating digestive condition and anti-reflux surgery is an effective treatment option. Depending on the specifics of the procedure, anti-reflux surgery leads to distinct changes in the endoscop…
View article: American Foregut Society Cooperative White Paper on Mechanisms of Pathologic Reflux and Antireflux Surgery
American Foregut Society Cooperative White Paper on Mechanisms of Pathologic Reflux and Antireflux Surgery Open
Background: Within the spectrum of gastroesophageal reflux disease (GERD), pathologic reflux applies to the subset of patients with either erosive esophagitis or abnormal esophageal acid exposure on pH-metry, consequences of a dysfunctiona…
View article: Use of the EsoGuard<sup>®</sup>Molecular Biomarker Test in Non-Endoscopic Detection of Barrett’s Esophagus among High-Risk Individuals in a Screening Population
Use of the EsoGuard<sup>®</sup>Molecular Biomarker Test in Non-Endoscopic Detection of Barrett’s Esophagus among High-Risk Individuals in a Screening Population Open
Background and Aims Barrett’s Esophagus (BE) is the precursor to esophageal adenocarcinoma (EAC). We aimed to assess performance, safety, and tolerability of the EsoGuard (EG) assay on samples collected non-endoscopically with the EsoCheck…
View article: The gift of foresight: interventional endoscopy, 30 years after the first EUS-guided FNA
The gift of foresight: interventional endoscopy, 30 years after the first EUS-guided FNA Open
It is important to understand the past in order to foresee the future.In the world of interventional endoscopy, there are many who have pondered the future of endoscopy, but very few whose predictions have accurately translated into realit…
View article: American Foregut Society White Paper on Transoral Incisionless Fundoplication
American Foregut Society White Paper on Transoral Incisionless Fundoplication Open
Gastroesophageal reflux disease (GERD) is a chronic disease on a spectrum that has an array of management options ranging from lifestyle changes, acid suppressive therapy to laparoscopic anti-reflux surgery (LARS). Transoral incisionless f…
View article: Hybrid argon plasma coagulation in Barrett’s esophagus: a systematic review and meta-analysis
Hybrid argon plasma coagulation in Barrett’s esophagus: a systematic review and meta-analysis Open
Background/Aims: Patients with Barrett’s esophagus are at increased risk of developing esophageal adenocarcinoma. Endoscopic therapies aim to eradicate dysplastic and metaplastic tissues. Hybrid argon plasma coagulation (hybrid-APC) utiliz…
View article: Hiatal hernia repair with transoral incisionless fundoplication versus Nissen fundoplication for gastroesophageal reflux disease: A retrospective study
Hiatal hernia repair with transoral incisionless fundoplication versus Nissen fundoplication for gastroesophageal reflux disease: A retrospective study Open
Background and study aims Concomitant hiatal hernia (HH) repair with transoral incisionless fundoplication (TIF) is a therapeutic option for patients with HH > 2 cm and gastroesophageal reflux disease (GERD). Data comparing this approach w…
View article: The American Foregut Society White Paper on the Endoscopic Classification of Esophagogastric Junction Integrity
The American Foregut Society White Paper on the Endoscopic Classification of Esophagogastric Junction Integrity Open
Background: The American Foregut Society (AFS) is dedicated to advancing patient care and digestive health within the realm of foregut disease. One of the most common and debilitating esophageal conditions is gastroesophageal reflux diseas…
View article: Endoscopic Management of GERD
Endoscopic Management of GERD Open
Gastroesophageal reflux disease (GERD) has consistently been the most frequently diagnosed gastrointestinal malady in the USA. The mainstay of therapy has traditionally been medical management, including lifestyle and dietary modifications…
View article: Benefit, tolerance, and safety of hybrid argon plasma coagulation for treatment of Barrett's esophagus: US pilot study
Benefit, tolerance, and safety of hybrid argon plasma coagulation for treatment of Barrett's esophagus: US pilot study Open
Background and study aims A novel technique for Barrett’s esophagus (BE) ablation, termed hybrid APC, has recently been developed. The aims of this US pilot study were to evaluate the efficacy, tolerance and safety of hybrid APC for the tr…
View article: The learning curve for transoral incisionless fundoplication
The learning curve for transoral incisionless fundoplication Open
Background and study aims Transoral incisionless fundoplication (TIF) is a safe and effective minimally invasive endoscopic technique for treating gastroesophageal reflux disease (GERD). The learning curve for this technique has not been r…
View article: Navigational tunnel technique for gastric peroral endoscopic pyloromyotomy: getting straight to the point (pylorus)
Navigational tunnel technique for gastric peroral endoscopic pyloromyotomy: getting straight to the point (pylorus) Open
This novel navigational tunneling technique appears to guide and facilitate G-POEM by providing a visual path for submucosal dissection straight to the pylorus. It may increase efficiency, decreasing the need to repeatedly exit the tunnel …
View article: Hybrid argon plasma coagulation for Barrett’s esophagus
Hybrid argon plasma coagulation for Barrett’s esophagus Open
Video 1Hybrid APC for Barrett's esophagus.
View article: Impedance planimetry values for predicting clinical response following peroral endoscopic myotomy
Impedance planimetry values for predicting clinical response following peroral endoscopic myotomy Open
Background There is growing interest in developing impedance planimetry as a tool to enhance the clinical outcomes for endoscopic and surgical management of achalasia. The primary aim of this study was to determine whether impedance planim…
View article: Durability of Radiofrequency Ablation in Barrett's Esophagus With Dysplasia
Durability of Radiofrequency Ablation in Barrett's Esophagus With Dysplasia Open
Radiofrequency ablation (RFA) can eradicate dysplasia and intestinal metaplasia in patients with dysplastic Barrett’s esophagus (BE), and reduce rates of esophageal adenocarcinoma. We assessed long-term rates of eradication, durability of …
View article: Incidence of Esophageal Adenocarcinoma and Causes of Mortality After Radiofrequency Ablation of Barrett’s Esophagus
Incidence of Esophageal Adenocarcinoma and Causes of Mortality After Radiofrequency Ablation of Barrett’s Esophagus Open
Radiofrequency ablation (RFA) is commonly used to treat Barrett's esophagus (BE). We assessed the incidence of esophageal adenocarcinoma (EAC) after RFA, predictors of EAC, and EAC-specific and all-cause mortality rates.
View article: Confocal endomicroscopy for evaluation of pancreatic cystic lesions: a systematic review and international Delphi consensus report
Confocal endomicroscopy for evaluation of pancreatic cystic lesions: a systematic review and international Delphi consensus report Open
Background and study aims The aim of thi systematic review and consensus report is to standardize the practice of endoscopic ultrasound (EUS-guided needle-based confocal laser endomicroscopy (nCLE) for pancreatic cystic lesion (PCL) evalua…
View article: Differentia: Visualizing Incremental Game Design Changes
Differentia: Visualizing Incremental Game Design Changes Open
Small changes in the code and assets of a videogame can have drastic impacts on the player experience. The primary way to discover these impacts is with extensive human playtesting. However, the time and effort expended for playtesting is …
View article: Multifocal Cryoballoon Ablation for Eradication of Barrett's Esophagus-Related Neoplasia: A Prospective Multicenter Clinical Trial
Multifocal Cryoballoon Ablation for Eradication of Barrett's Esophagus-Related Neoplasia: A Prospective Multicenter Clinical Trial Open
INTRODUCTION: Ablation of Barrett's esophagus (BE) is the preferred approach for the treatment of neoplasia without visible lesions. Limited data on cryoballoon ablation (CBA) suggest its potential clinical utility. We evaluated the safety…