Roxana Chis

Stent Dysfunction in EUS-choledochoduodenostomy for Malignant Biliary Obstruction

Khaled Imad Khalaf, Shaurya Gupta, Hans‐Peter Tony, Sechiv Jugnundan et autres

Aims EUS-choledochoduodenostomy (EUS-CDS) is established as a second-line treatment modality for the management of malignant biliary obstruction. Despite documented rates of clinical success upwards of 97%, data pertaining to stent dysfunction are limited. Methods A retrospective observational study was conducted at a …

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Efficacy of endoscopic interventions versus surgery for pain management in patients with chronic calcific pancreatitis: a systematic review and meta-analysis

Caleb Na, Tony He, Kareem Khalaf, Yuhong Yuan et autres

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Dual-sided closure of an iatrogenic gastrocolonic fistula with over-the-scope clips

Sunil Gupta, Roxana Chis, Jeffrey D. Mosko, Christopher Teshima

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 collapsed collection, endoscopic ultrasound (EUS)-guided …

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Mo2026 ENDOSCOPIC RESECTION OF VISIBLE DYSPLASTIC LESIONS IN PATIENTS WITH INFLAMMATORY BOWEL DISEASE: A SINGLE CENTER CANADIAN EXPERIENCE

Roxana Chis, Kareem Khalaf, Yusuke Fujiyoshi, Catherine Streutker et autres

Endoscopic Resection of Visible Precancerous Lesions in Inflammatory Bowel Disease

Roxana Chis, Khaled Imad Khalaf, Yoshinori Fujiyoshi, Catherine Streutker et autres

Aims Chronic inflammation predisposes patients with inflammatory bowel disease (IBD) to a higher risk of colorectal cancer. When dealing with visible dysplastic lesions without optical characteristics of deeply invasive cancer, endoscopic resection (ER) is preferred over surgical resection. Despite this, there is …

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The 2023 Impact of Inflammatory Bowel Disease in Canada: Treatment Landscape

Sanjay K. Murthy, Adam V. Weizman, Ellen Kuenzig, Joseph W. Windsor et autres

The therapeutic landscape for inflammatory bowel disease (IBD) has changed considerably over the past two decades, owing to the development and widespread penetration of targeted therapies, including biologics and small molecules. While some conventional treatments continue to have an important role in …

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The 2023 Impact of Inflammatory Bowel Disease in Canada: Cancer and IBD

Sanjay K. Murthy, Ellen Kuenzig, Joseph W. Windsor, Priscilla Matthews et autres

Cancer is a major cause of morbidity and mortality among people with inflammatory bowel disease (IBD). Intestinal cancers may arise as a complication of IBD itself, while extra-intestinal cancers may arise due to some of the immunosuppressive therapies used to treat IBD. …

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Measurement of Disease Activity of Pouchitis

Roxana Chis, Mark S. Silverberg

BACKGROUND: Pouchitis is the most common inflammatory complication in ulcerative colitis patients undergoing postoperative construction of an IPAA. Pouchitis refers to a spectrum of diseases, and as such, it lacks a universally accepted definition as well as validated instruments to measure disease …

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Fr107 BARRIERS AND FACILITATORS OF PEDIATRIC TO ADULT TRANSITIONS IN IBD: A PILOT STUDY EVALUATING THE STAKEHOLDER EXPERIENCE

Roxana Chis, Noor Jawaid, Nancy Fu, Natasha P. Bollegala

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Sa591 THE IMPACT OF PRIOR SURGERY ON ADVERSE PREGNANCY OUTCOMES IN PREGNANT PATIENTS WITH INFLAMMATORY BOWEL DISEASE

Roxana Chis, Parul Tandon, Vivian Huang

Taking the Next Steps in Endoscopic Visual Assessment of Barrett’s Esophagus: A Pilot Study

Roxana Chis, Simon Hew, Wilma Hopman, Lawrence C. Hookey et autres

PURPOSE: Patients with Barrett's esophagus (BE) undergo surveillance endoscopies to assess for pre-cancerous changes. We developed a simple endoscopic classification method for predicting non-dysplastic BE (NDBE), low-grade dysplasia (LGD)/indefinite for dysplasia (ID) and high-grade dysplasia (HGD)/early esophageal adenocarcinoma (EAC). PATIENTS AND METHODS: …

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A198 LEFLUNOMIDE-INDUCED COLITIS IN IMMUNOSUPPRESSED PATIENT WITH SYSTEMIC LUPUS ERYTHEMATOSUS AND RHEUMATOID ARTHRITIS

Roxana Chis, D. Gladman, Rajkumar Vajpeyi, Maria Cino

Abstract Background Leflunomide is an oral disease-modifying antirheumatic drug (DMARD), with anti-inflammatory and immunomodulatory properties that has been in use since 1998. Common leflunomide side-effects include gastrointestinal symptoms (nausea, abdominal pain and diarrhea), occurring in 10–20% of patients treated with leflunomide. Scarce …

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