ĐẶC ĐIỂM HÌNH ẢNH LÂM SÀNG VÀ CỘNG HƯỞNG TỪ ĐỘNG HỌC SÀN CHẬU Ở BỆNH NHÂN TÁO BÓN DO CO THẮT CƠ MU TRỰC TRÀNG (ANISMUS)

Abstract

Objective: We describeclinical andcharacteristics dynamic MR defecography in patients with anismus. Methods: Describing cross-study from 07/2020 to 07/2021. Rearch object: The patient has been clinically diagnosed as constipation becauseanismus, who were indicate magnetic resonance defecographyat Ha Noi Medical University Hospital. Results: This study included 16 females and 14 males; the mean age is 46,4±  16,8 years old. Straining more than one – fourth (25%) of during defecations  is the most comon symptom (96,67%). The prevalence of lumpy or hard stools and manual maneuvers to facilitate is 93,33% and 86,67% with the average Rome IV score for diagnosing constipation is 4,17 ± 1,085. There were significant differences in measurements of length (H) and thickness of the puborectalis muscle, anorectal angle (ARA), pelvic floor descent (M), and anal canal opening cross the phases rest, valsava, and defecation and prolonged defecation time were consistent with the features of anismus pathology. Conclusion: constipation becauseanismushas typical sex, age, and MRI features.