Esophageal impedance–pH monitoring

D Sifrim, F Fornari - Digestive and Liver Disease, 2008 - Elsevier
Classical techniques like endoscopy and esophageal pH-metry are routinely used to study
patients with symptoms related to gastroesophageal reflux disease (GERD). Although these …

Value of pH impedance monitoring while on twice-daily proton pump inhibitor therapy to identify need for escalation of reflux management

CP Gyawali, R Tutuian, F Zerbib, BD Rogers… - Gastroenterology, 2021 - Elsevier
Background and Aims Acid exposure time (AET) and reflux episode thresholds from the
Lyon Consensus may not apply for pH impedance studies performed while on proton pump …

Novel impedance‐pH parameters are associated with proton pump inhibitor response in patients with inconclusive diagnosis of gastro‐oesophageal reflux disease …

M Ribolsi, M Frazzoni, E Marabotto… - Alimentary …, 2021 - Wiley Online Library
Summary Background The Lyon Consensus delineates impedance‐pH parameters that can
demonstrate/exclude gastro‐oesophageal reflux disease (GERD). In patients with acid …

Catheter-based 24-h pH-metry and impedance: Technique, interpretation, and clinical application

UC Ghoshal, R Singh - Evaluation of Gastrointestinal Motility and its …, 2016 - Springer
Gastroesophageal reflux disease (GERD) is a common condition in gastroenterology
practice. Classical techniques like endoscopy and 24-h pH-metry are often used to diagnose …

Categorization of patients with reflux symptoms referred for pH and impedance testing while off therapy

FKF Cheng, DM Albert, CL Maydonovitch… - Clinical …, 2015 - Elsevier
Background & Aims Patients with suspected gastroesophageal reflux disease (GERD) often
are treated empirically with proton pump inhibitors (PPIs). Patients whose symptoms are not …

An analysis of persistent symptoms in acid-suppressed patients undergoing impedance-pH monitoring

N Sharma, A Agrawal, J Freeman, MF Vela… - Clinical Gastroenterology …, 2008 - Elsevier
Background & Aims: Despite proton-pump inhibitors (PPIs), patients may have persistent
symptoms of gastroesophageal reflux disease (GERD). We aimed to identify symptom types …

Acid-based parameters on pH-impedance testing predict symptom improvement with medical management better than impedance parameters

A Patel, GS Sayuk, PC Gyawali - Official journal of the American …, 2014 - journals.lww.com
OBJECTIVES: pH-impedance testing detects reflux events irrespective of pH, but its value in
predicting treatment outcome is unclear. We prospectively evaluated subjects treated …

The effect of antisecretory therapy and study duration on ambulatory esophageal pH monitoring

VM Kushnir, GS Sayuk, CP Gyawali - Digestive diseases and sciences, 2011 - Springer
Background Conventional catheter-based and wireless pH monitoring continue to be widely
used for the evaluation of GERD symptoms despite the emergence of pH-impedance …

Can impedance-pH testing on medications reliably identify patients with GERD as defined by pathologic esophageal acid exposure off medications?

MA Ward, CM Dunst, ME Glasgow… - Journal of …, 2019 - Springer
Abstract Introduction Impedance-pH testing (MII-pH) while patients are on acid suppression
medications is frequently used to evaluate persistent reflux symptoms. The aim of this study …

Impedance-pH monitoring for diagnosis of reflux disease: new perspectives

M Frazzoni, N De Bortoli, L Frazzoni, S Tolone… - Digestive diseases and …, 2017 - Springer
Heartburn is the most specific symptom of gastroesophageal reflux disease (GERD). In
clinical practice, heartburn relief by a proton pump inhibitor (PPI) trial does suffice to confirm …