The Montreal Definition and Classification of Gastroesophageal Reflux Disease: A Global Evidence-Based Consensus

A globally acceptable definition and classification of gastroesophageal reflux disease (GERD) is desirable for research and clinical practice. The aim of this initiative was to develop a consensus definition and classification that would be useful for patients, physicians, and regulatory agencies.A modified Delphi process was employed to reach consensus using repeated iterative voting. A series of statements was developed by a working group of...