The frequency of visceral and phenotypic markers in patients with the combination of undifferentiated connective tissue disease and gastroesophageal reflux disease.

Objective: The aim: The aim of the research was to study the prevalence of visceral and phenotypic markers of UCTD syndrome in patients with GERD for the purpose of early diagnosis of this comorbidity.

Patients And Methods: Materials and methods: The study included 120 patients: 75 patients (Group II) - GERD was on the background of UCTD, 45 (Group I ) - the patients with GERD. The average age of the patients was 42.