Radu I. Tutuian

Learn More
OBJECTIVES Impedance monitoring is a new diagnostic method for gastroesophageal reflux disease (GERD) where multiple impedance electrode pairs are placed on a standard pH catheter. It detects reflux of a liquid and/or gas bolus into the esophagus, as well as its distribution, composition, and clearing. The aim of this collaborative study is to define normal(More)
Achalasia is a primary esophageal disorder involving the body of the esophagus and lower esophageal sphincter affecting equally both genders and all ages. While its etiology remains unclear, the pathophysiologic mechanism involves the destruction of the myenteric plexi responsible for esophageal peristalsis. Given the slow, initially oligosymptomatic(More)
INTRODUCTION Functional dyspepsia and non-erosive reflux disease (NERD) are prevalent gastrointestinal conditions with accumulating evidence regarding an overlap between the two. Still, patients with NERD represent a very heterogeneous group and limited data on dyspeptic symptoms in various subgroups of NERD are available. AIM To evaluate the prevalence(More)
Gastroesophagel reflux disease (GERD) is a common condition encountered in clinical practice. Over the years there has been a continuous interaction between the understanding of the disease, the diagnostic tools and treatments of GERD. The use of proton pump inhibitor (PPI) trials by primary care physicians as diagnostic tool in patients with symptoms(More)
BACKGROUND AND AIMS Empiric proton pump inhibitor (PPI) trials have become increasingly popular leading to gastroenterologists frequently evaluating gastro-oesophageal reflux disease (GORD) patients only after they have "failed" PPI therapy. Combined multichannel intraluminal impedance and pH (MII-pH) monitoring has the ability to detect gastro-oesophageal(More)
BACKGROUND Omeprazole controls acid but not non-acid reflux. The GABA B agonist baclofen decreases acid reflux through the inhibition of transient lower oesophageal sphincter relaxations (TLESRs) and should similarly decrease non-acid reflux. Using combined multichannel intraluminal impedance and pH (MII/pH), we compared acid and non-acid reflux after(More)
BACKGROUND The aim of this study was to identify predictors of outcome for pancreatic duct (PD) disruption managed by endoscopic transpapillary stent insertion. METHODS An endoscopy database was used to identify patients with PD disruption, defined as extravasation of contrast from the PD during ERCP. Data collected included demographic information, the(More)
BACKGROUND Combined multichannel intraluminal impedance and esophageal manometry (MII-EM) is a technique that uses an FDA-approved device allowing simultaneous evaluation of bolus transit (MII) in relation to pressure changes (EM). METHODS During a 9-month period, beginning from July 2002 through March 2003, we prospectively performed combined MII-EM on(More)
Multichannel intraluminal impedance (MII) is a new technique for evaluating esophageal function and gastroesophageal reflux. This technique depends on changes in resistance to alternating current between two metal electrodes produced by the presence of bolus inside the esophageal lumen. Combined MII and manometry (MII-EM) provides simultaneous information(More)
BACKGROUND & AIMS Nonacid reflux may explain symptoms in acid-suppressed patients. Simultaneous intraesophageal impedance and pH measurement was used to evaluate the frequencies of postprandial acid and nonacid reflux before and after omeprazole administration. METHODS Twelve heartburn patients underwent two 2-hour studies of intraesophageal impedance and(More)