Karim Al Annan

BACKGROUND: Gastroesophageal reflux disease (GERD), with or without hiatal hernia (HH), affects millions of individuals worldwide, with a significant economic impact and loss of health-related quality of life…

BACKGROUND: The duodenum is integral as a metabolic signaling center, making it a promising therapeutic target for Type 2 Diabetes (T2D). However, the specific pathophysiological alterations in the duodenum under metabolic stress, especially in human, are not well-understood…

Introduction: Electrohydraulic lithotripsy (EHL) is an endoscopic technique used to disrupt and remove gallstones. EHL is typically performed under direct vision of cholangioscopy…

BACKGROUND: Roux-en-Y Gastric Bypass (RYGB) is often preferred for patients with obesity and gastroesophageal reflux disease (GERD), as it typically reduces reflux symptoms. However, post-RYGB, GERD symptoms and the use of proton pump inhibitors (PPIs) remain prevalent…