Short Segment Hiatal Hernia: Is It a Clinically Significant Entity?

초록

Introduction Hiatal hernia (HH) is a well-known contributory factor of gastroesophageal reflux disease (GERD). However, studies on the clinical significance of simple small HH are lacking. We conducted a study to clarify the clinical significance of short segment HH (SSHH) in relation to GERD. Methods 4,592 consecutive cases (male/female: 2,076/2,516, median age: 49 years) examined with diagnostic esophagogastroduodenoscopy for the first time were enrolled. During the insertion of endoscope, presence of HH was determined and the length was measured, if present. The relationships between gender, age, presence of erosive esophagitis, and columnar-lined esophagus (CLE) and the lengths of HH were analyzed. Results Among 4,592 cases, HH was present in 428 cases (9.3%); SSHH was found in 255 cases (5.6%) and long segment HH (LSHH) in 173 cases (3.8%). HH was more frequent among males and patients with LSHH tended to be older. Erosive esophagitis was observed in 4.8%, 22.0%, and 37.0% of no HH, SSHH, and LSHH group, respectively (p＜0.05). CLE was observed in 14.4%, 36.5%, and 24.3% of no HH, SSHH, and LSHH group, respectively (p＜0.05). Conclusions SSHH is not a clinically silent and “innocent entity,” but rather a condition with a significant pathologic significance similar to LSHH in regard to GERD.

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