Christopher Teshima
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View article: Risk stratification for stricture formation after endoscopic submucosal dissection for esophageal dysplasia
Risk stratification for stricture formation after endoscopic submucosal dissection for esophageal dysplasia Open
Summary We aimed to evaluate the demographic, clinical, procedural, and histopathologic factors associated with stricture development following esophageal endoscopic submucosal dissection (ESD). We conducted a retrospective cohort study of…
View article: Surgical and endoscopic interventions in the management of idiopathic achalasia
Surgical and endoscopic interventions in the management of idiopathic achalasia Open
This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To assess the benefits and harms of endoscopic and surgical interventions for idiopathic achalasia, including pneumatic dilation, laparoscopic Heller m…
View article: 165. RISK STRATIFICATION FOR STRICTURE FORMATION AFTER ENDOSCOPIC SUBMUCOSAL DISSECTION FOR ESOPHAGEAL DYSPLASIA
165. RISK STRATIFICATION FOR STRICTURE FORMATION AFTER ENDOSCOPIC SUBMUCOSAL DISSECTION FOR ESOPHAGEAL DYSPLASIA Open
Background Endoscopic submucosal dissection (ESD) is increasingly employed for early esophageal dysplasia, including squamous cell (SCD) and Barrett’s esophagus-related (BE) dysplasia. A major drawback of this strategy is stricture formati…
View article: Endoscopic mucosal resection for Barrett’s neoplasia: Long-term outcomes from the largest Canadian single-center experience
Endoscopic mucosal resection for Barrett’s neoplasia: Long-term outcomes from the largest Canadian single-center experience Open
Endoscopic mucosal resection (EMR) remains an important treatment for high-grade dysplasia (HGD) and early esophageal adenocarcinoma (EAC) in Barrett’s esophagus (BE). However, there are limited data regarding long-term recurrence rates. T…
View article: Safety and efficacy of margin and base ablation after endoscopic mucosal resection of large nonpedunculated colorectal polyps: a prospective multicenter study
Safety and efficacy of margin and base ablation after endoscopic mucosal resection of large nonpedunculated colorectal polyps: a prospective multicenter study Open
In a prospective multicenter study, EMR with systematic ablation of the complete postresection base and visible vessels in addition to margin ablation demonstrated high technical success, low adverse events, and low recurrences. A randomiz…
View article: Factors associated with delayed bleeding following ampullectomy: A retrospective cohort study
Factors associated with delayed bleeding following ampullectomy: A retrospective cohort study Open
Introduction and objectives Endoscopic ampullectomy is the preferred treatment for selected periampullary lesions, yet up to 10.6% of patients may experience delayed bleeding post‐procedure. This study aims to identify predictors for bleed…
View article: A111 EVALUATION OF REFERRAL COMPLETENESS FOR LARGE NON-PEDUNCULATED POLYPS IN LIGHT OF RECENT INTERNATIONAL CONSENSUS: A SINGLE-CENTER STUDY
A111 EVALUATION OF REFERRAL COMPLETENESS FOR LARGE NON-PEDUNCULATED POLYPS IN LIGHT OF RECENT INTERNATIONAL CONSENSUS: A SINGLE-CENTER STUDY Open
Background Endoscopic mucosal resection (EMR) is standard-of-care for treating large non-pedunculated colorectal polyps yet often requires referral to expert centers. Hence, inclusion of important information to the therapeutic endoscopist…
View article: A240 SOCIOECONOMIC STATUS AS A RISK FACTOR FOR ERCP OUTCOMES: A RETROSPECTIVE COHORT STUDY
A240 SOCIOECONOMIC STATUS AS A RISK FACTOR FOR ERCP OUTCOMES: A RETROSPECTIVE COHORT STUDY Open
Background Endoscopic Retrograde Cholangiopancreatography (ERCP) has one of the highest adverse event rates among endoscopic procedures, close to 10%, including pancreatitis, bleeding, and perforation. To minimize complications and improve…
View article: Sling fiber preservation during POEM reduces incidence of postoperative reflux symptoms
Sling fiber preservation during POEM reduces incidence of postoperative reflux symptoms Open
Summary Gastroesophageal reflux disease (GERD) after peroral endoscopic myotomy (POEM) has been a limiting factor with POEM. Sling-fiber preservation during POEM was reported to reduce postoperative GERD in Japan. This study investigates t…
View article: International Validation of a Novel PEACE Scale to Improve the Quality of Upper Gastrointestinal Mucosal Inspection During Endoscopy
International Validation of a Novel PEACE Scale to Improve the Quality of Upper Gastrointestinal Mucosal Inspection During Endoscopy Open
INTRODUCTION: The performance of a high quality esophagogastroduodenoscopy (EGD) is dependent on the mucosal cleanliness. Recently, the Polprep: Effective Assessment of Cleanliness in EGD (PEACE) scale was created to assess the degree of m…
View article: Defining Standards for Fluoroscopy in Gastrointestinal Endoscopy using a Delphi Methodology
Defining Standards for Fluoroscopy in Gastrointestinal Endoscopy using a Delphi Methodology Open
Background and Study Aims The use of fluoroscopy in gastrointestinal endoscopy is an essential aid in advanced endoscopic interventions. However, it also raises concerns about radiation exposure. This study aimed to develop consensus-based…
View article: Defining standards for fluoroscopy in gastrointestinal endoscopy using Delphi methodology
Defining standards for fluoroscopy in gastrointestinal endoscopy using Delphi methodology Open
Background and study aims Use of fluoroscopy in gastrointestinal endoscopy is an essential aid in advanced endoscopic interventions. However, it also raises concerns about radiation exposure. This study aimed to develop consensus-based sta…
View article: Recurrence following successful eradication of neoplasia with endoscopic mucosal resection compared with endoscopic submucosal dissection in Barrett’s esophagus: a retrospective comparison
Recurrence following successful eradication of neoplasia with endoscopic mucosal resection compared with endoscopic submucosal dissection in Barrett’s esophagus: a retrospective comparison Open
Background Endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) are effective treatments for Barrett’s neoplasia. However, little is known about recurrence rates following these techniques. We compared long-term ne…
View article: Outcomes of endoscopic retrograde cholangiopancreatography performed in the AM versus PM: does procedural timing matter?
Outcomes of endoscopic retrograde cholangiopancreatography performed in the AM versus PM: does procedural timing matter? Open
Background ERCP is a technically demanding procedure that carries a high cumulative adverse event (AE) rate of >10%. Identifying risk factors for adverse events is paramount. Procedure timing, as a surrogate for endoscopist fatigue, has…
View article: Can optical evaluation distinguish between T1a and T1b esophageal adenocarcinoma: an international expert interobserver agreement study
Can optical evaluation distinguish between T1a and T1b esophageal adenocarcinoma: an international expert interobserver agreement study Open
Background Piecemeal endoscopic mucosal resection (EMR) is an acceptable technique for T1a esophageal adenocarcinoma, but en bloc R0 excision is advocated for T1b disease as it may offer a potential cure and mitigate recurrence. Thus, dist…
View article: Dual-sided closure of an iatrogenic gastrocolonic fistula with over-the-scope clips
Dual-sided closure of an iatrogenic gastrocolonic fistula with over-the-scope clips Open
An 86-year-old man with walled-off pancreatic necrosis (WON) was initially managed with a percutaneous drain. He was referred to our service because of a persistent collection. After fluid had been instilled via the drain to expand the col…
View article: Salvage circumferential endoscopic submucosal dissection of multifocal Barrett’s adenocarcinoma at an esophagogastric anastomosis
Salvage circumferential endoscopic submucosal dissection of multifocal Barrett’s adenocarcinoma at an esophagogastric anastomosis Open
A 69-year-old man underwent neoadjuvant chemoradiotherapy and Ivor Lewis esophagectomy with proximal gastrectomy for T3N0M0 esophageal adenocarcinoma. After 6 years, a new positron emission tomography (PET)-avid thickening was detected at …
View article: A double-incision endoscopic myotomy of the cricopharyngeal muscle for the management of a large hemi-circumferential Zenker’s diverticulum
A double-incision endoscopic myotomy of the cricopharyngeal muscle for the management of a large hemi-circumferential Zenker’s diverticulum Open
An 81-year-old man with a decade-long history of dysphagia to solids presented to our hospital in extremis. He had lost 20 pounds in weight over 7 months, and more recently had been unable to tolerate clear fluids. A gastroscopy, barium sw…
View article: A127 ENDOSCOPIC MUCOSAL RESECTION WITH HYBRID-ARGON PLASMA ABLATION TO PREVENT RECURRENCE OF 20 MM NON-PEDUNCULATED COLORECTAL POLYPS: A MULTI-CENTER PROSPECTIVE CLINICAL STUDY
A127 ENDOSCOPIC MUCOSAL RESECTION WITH HYBRID-ARGON PLASMA ABLATION TO PREVENT RECURRENCE OF 20 MM NON-PEDUNCULATED COLORECTAL POLYPS: A MULTI-CENTER PROSPECTIVE CLINICAL STUDY Open
Background Endoscopic mucosal resection (EMR) is the mainstay of therapy for non-pedunculated colorectal polyps 20 mm or larger. Post EMR recurrence rates are about 15% if no margin ablation technique is used. Aims Study aim was to evaluat…
View article: A129 OUTCOMES FOLLOWING ENDOSCOPIC SUBMUCOSAL DISSECTION OF SUPERFICIAL GASTROINTESTINAL TRACT NEOPLASTIC LESIONS FROM A TERTIARY-CARE ACADEMIC CENTRE
A129 OUTCOMES FOLLOWING ENDOSCOPIC SUBMUCOSAL DISSECTION OF SUPERFICIAL GASTROINTESTINAL TRACT NEOPLASTIC LESIONS FROM A TERTIARY-CARE ACADEMIC CENTRE Open
Background Endoscopic submucosal dissection (ESD) is an advanced luminal resection technique for dysplastic and early cancerous gastrointestinal (GI) tract neoplasms. By removing lesions en bloc, this method provides more accurate histopat…
View article: A135 DEEPLY EMBEDDED ESOPHAGEAL FISHBONE REMOVED BY ENDOSCOPIC MUCOSAL DISSECTION: CASE REPORT AND LITERATURE REVIEW
A135 DEEPLY EMBEDDED ESOPHAGEAL FISHBONE REMOVED BY ENDOSCOPIC MUCOSAL DISSECTION: CASE REPORT AND LITERATURE REVIEW Open
Background Foreign body ingestion is frequently encountered in gastroenterology clinical practice. While most objects pass spontaneously, sharp objects, most commonly bony fragments in adults, have a tendency to become lodged in the esopha…
View article: A131 OUTCOMES AND COMPLICATIONS OF THERAPEUTIC ERCP IN DIFFERENT AGE GROUPS
A131 OUTCOMES AND COMPLICATIONS OF THERAPEUTIC ERCP IN DIFFERENT AGE GROUPS Open
Background Endoscopic Retrograde Cholangiopancreatography (ERCP) is a vital procedure for hepatobiliary disease management. Though it boasts high overall success rates, the impact of patient age on outcomes remains uncertain, especially am…
View article: A208 ENDOSCOPIC SUBMUCOSAL DISSECTION (ESD) FOR BARRETT’S NEOPLASIA: CLINICAL OUTCOMES AND MID-TERM FOLLOW-UP AT A CANADIAN TERTIARY REFERRAL CENTER
A208 ENDOSCOPIC SUBMUCOSAL DISSECTION (ESD) FOR BARRETT’S NEOPLASIA: CLINICAL OUTCOMES AND MID-TERM FOLLOW-UP AT A CANADIAN TERTIARY REFERRAL CENTER Open
Background Endoscopic submucosal dissection (ESD) is an established technique for resecting early gastrointestinal neoplastic lesions. However, for Barrett’s neoplasia treatment, piecemeal EMR has been the standard approach, leaving the ef…
View article: A207 SLING-FIBER PRESERVATION DURING POEM IS AN INDEPENDENT FACTOR IN REDUCING POST-POEM GERD SYMPTOMS: A CANADIAN SINGLE-CENTER RETROSPECTIVE STUDY
A207 SLING-FIBER PRESERVATION DURING POEM IS AN INDEPENDENT FACTOR IN REDUCING POST-POEM GERD SYMPTOMS: A CANADIAN SINGLE-CENTER RETROSPECTIVE STUDY Open
Background Gastroesophageal reflux disease (GERD) after peroral endoscopic myotomy (POEM) has been a limiting factor with POEM procedure. Preservation of the sling-fiber during POEM was reported to reduce post-POEM GERD in Japan, but there…