Gut Liver.  2019 Jan;13(1):25-31. 10.5009/gnl17553.

Effect of Abdominal Visceral Fat Change on the Regression of Erosive Esophagitis: A Prospective Cohort Study

Affiliations
  • 1Center for Gastric Cancer, Kyungpook National University Chilgok Hospital, School of Medicine, Kyungpook National University, Daegu, Korea. nam20131114@gmail.com
  • 2Center for Cancer Prevention & Detection, National Cancer Center, Goyang, Korea.
  • 3Center for Gastric Cancer, National Cancer Center, Goyang, Korea.
  • 4Department of Diagnostic Radiology, National Cancer Center, Goyang, Korea.

Abstract

BACKGROUND/AIMS
Although abdominal visceral fat has been associated with erosive esophagitis in cross-sectional studies, there are few data on the longitudinal effect. We evaluated the effects of abdominal visceral fat change on the regression of erosive esophagitis in a prospective cohort study.
METHODS
A total of 163 participants with erosive esophagitis at baseline were followed up at 34 months and underwent esophagogastroduodenoscopy and computed tomography at both baseline and follow-up. The longitudinal effects of abdominal visceral fat on the regression of erosive esophagitis were evaluated using relative risk (RR) and 95% confidence intervals (CIs).
RESULTS
Regression was observed in approximately 49% of participants (n=80). The 3rd (RR, 0.13; 95% CI, 0.02 to 0.71) and 4th quartiles (RR, 0.07; 95% CI, 0.01 to 0.38) of visceral fat at follow-up were associated with decreased regression of erosive esophagitis. The highest quartile of visceral fat change reduced the probability of the regression of erosive esophagitis compared to the lowest quartile (RR, 0.10; 95% CI, 0.03 to 0.28). Each trend showed a dose-dependent pattern (p for trend < 0.001). The presence of baseline Helicobacter pylori increased the regression of erosive esophagitis (RR, 2.40; 95% CI, 1.05 to 5.48).
CONCLUSIONS
Higher visceral fat at follow-up and a greater increase in visceral fat reduced the regression of erosive esophagitis in a dose-dependent manner.

Keyword

Esophagitis; Intra-abdominal fat; Cohort studies

MeSH Terms

Cohort Studies*
Cross-Sectional Studies
Endoscopy, Digestive System
Esophagitis*
Follow-Up Studies
Helicobacter pylori
Intra-Abdominal Fat*
Prospective Studies*
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