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Related Experiment Videos

Risk of adenocarcinomas of the esophagus and gastric cardia in patients with gastroesophageal reflux diseases and

W Ye1, W H Chow, J Lagergren

  • 1Department of Medical Epidemiology, Karolinska Institutet, Box 281, SE171 77, Stockholm, Sweden. Weimin.Ye@mep.ki.se

Gastroenterology
|December 1, 2001
PubMed
Summary

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Gastroesophageal reflux significantly increases esophageal and gastric cardia adenocarcinoma risk. Antireflux surgery does not eliminate this elevated cancer risk, highlighting the need for ongoing monitoring.

Area of Science:

  • Gastroenterology
  • Oncology
  • Epidemiology

Background:

  • Gastroesophageal reflux disease (GERD) is a suspected risk factor for esophageal and gastric cardia adenocarcinoma.
  • Prospective data on GERD and cancer risk are limited.
  • The impact of antireflux surgery on these cancer risks remains unstudied.

Purpose of the Study:

  • To investigate the association between GERD and the risk of esophageal and gastric cardia adenocarcinoma.
  • To evaluate the long-term effects of antireflux surgery on upper gastrointestinal cancer development.

Main Methods:

  • Population-based retrospective cohort study using the Swedish Inpatient Register.
  • Inclusion of patients diagnosed with GERD and those who underwent antireflux surgery.
  • Nationwide register linkage for follow-up and standardized incidence ratio (SIR) calculation for cancer risk estimation.

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Main Results:

  • GERD strongly correlates with increased risk of esophageal adenocarcinoma (SIR 6.3) and gastric cardia adenocarcinoma (SIR 2.4) in men.
  • Esophageal adenocarcinoma risk increased with follow-up time.
  • Antireflux surgery did not reduce, and in some cases increased, cancer risk (esophageal adenocarcinoma SIR 14.1, gastric cardia adenocarcinoma SIR 5.3), with risks remaining elevated post-surgery.

Conclusions:

  • GERD is a significant risk factor for esophageal adenocarcinoma and a moderate risk factor for gastric cardia adenocarcinoma.
  • Antireflux surgery does not mitigate the increased risk of these adenocarcinomas.
  • Elevated cancer risk persists even after surgical intervention for GERD.