Esophagus : official journal of the Japan Esophageal Society · 2022
Relationship between esophageal achalasia subtypes and esophageal clearance.
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Tsuboi Kazuto, Yano Fumiaki, Omura Nobuo, Hoshino Masato, Yamamoto Se-Ryung, Akimoto Shunsuke, Masuda Takahiro, Sakashita Yuki, Fukushima Naoko, Kashiwagi Hideyuki, Eto Ken
Аннотация
BACKGROUND: The diagnosis and pathological evaluation of esophageal achalasia have been improved dramatically by the development of high-resolution manometry. It is currently known to be divided into three subtypes. However, the differences between subtypes in terms of esophageal clearance remain unclear.
AIMS: To compare the pathology of subtypes in patients with esophageal achalasia from the perspective of esophageal clearance.
METHODS: We classified the patients diagnosed with esophageal achalasia into three subtypes based on the high-resolution manometry findings and compared the patient background, esophagography findings, esophageal manometry findings, timed barium esophagogram (TBE) findings, and their symptoms. We also calculated the esophageal clearance rate from TBE to investigate the relationship with the subtypes.
RESULTS: There were 71 cases of Type I, 140 cases of Type II, and 10 cases of Type III. No differences by subtype were found in patient background or symptoms. Regarding the esophageal manometry findings, the integrated relaxation pressure was high in Type II (p = 0.0006). The esophagography revealed a mild degree of esophageal flexion in Type III (p = 0.0022) and a high degree of esophageal dilation in Type I and II (p = 0.0227). The esophageal clearance rate in descending order was: Type III, II, and I (height: p = 0.0302, width: p = 0.0008).
CONCLUSIONS: The subtypes by high-resolution manometry diagnosis had an association with the esophagography findings and best reflected the esophageal clearance, with no correlation to the patient backgrounds and symptoms.
AIMS: To compare the pathology of subtypes in patients with esophageal achalasia from the perspective of esophageal clearance.
METHODS: We classified the patients diagnosed with esophageal achalasia into three subtypes based on the high-resolution manometry findings and compared the patient background, esophagography findings, esophageal manometry findings, timed barium esophagogram (TBE) findings, and their symptoms. We also calculated the esophageal clearance rate from TBE to investigate the relationship with the subtypes.
RESULTS: There were 71 cases of Type I, 140 cases of Type II, and 10 cases of Type III. No differences by subtype were found in patient background or symptoms. Regarding the esophageal manometry findings, the integrated relaxation pressure was high in Type II (p = 0.0006). The esophagography revealed a mild degree of esophageal flexion in Type III (p = 0.0022) and a high degree of esophageal dilation in Type I and II (p = 0.0227). The esophageal clearance rate in descending order was: Type III, II, and I (height: p = 0.0302, width: p = 0.0008).
CONCLUSIONS: The subtypes by high-resolution manometry diagnosis had an association with the esophagography findings and best reflected the esophageal clearance, with no correlation to the patient backgrounds and symptoms.