The natural history of achalasia: Evidence of a continuum-"The evolutive pattern theory".
Salvador Renato, Voltarel Guerrino, Savarino Edoardo, +7 more·Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver
BACKGROUND: It is currently unclear if the three manometric patterns of esophageal achalasia represent distinct entities or part of a disease continuum. The study's aims were: a) to test the hypothesis that the three patterns represent different stages in the evolution of achalasia; b) to investigate whether manometric…