[Natural history of gastric varices and risk factors for bleeding]

Choong Hyeon Lee1, Joon Hyoek Lee, Yong Sung Choi

  • 1Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Insights

Gastric varices (GV) bleeding is a serious complication of portal hypertension. Large GV and poor liver function are key risk factors for bleeding in Korean patients, necessitating close monitoring.

Area of Science:

  • Gastroenterology
  • Hepatology
  • Internal Medicine

Background:

  • Gastric varices (GV) are a severe complication of portal hypertension.
  • Limited data exists on the clinical course of GV in the Korean population.
  • Understanding the natural history of GV is crucial for patient management.

Purpose of the Study:

  • To investigate the natural history of gastric varices (GV) bleeding in Korean patients.
  • To identify risk factors associated with GV bleeding.
  • To evaluate long-term survival rates in patients with GV.

Main Methods:

  • Retrospective analysis of 237 Korean patients diagnosed with GV between 1995 and 2005.
  • Exclusion of patients with prior variceal bleeding or interventions.
  • Evaluation of cumulative incidence of GV bleeding, survival rates, and risk factors.

Main Results:

  • The cumulative incidence of GV bleeding was 4.8% at 1 year, 19.9% at 3 years, and 23.2% at 5 years.
  • Overall survival rates were 88.6% (1 year), 53.2% (5 years), and 37.2% (10 years).
  • Independent risk factors for GV bleeding included large GV (HR 2.49) and poor liver function (Child-Pugh B/C, HR 3.95).

Conclusions:

  • Gastric varices bleeding is more common in patients with fundal varices compared to type 1 gastroesophageal varices.
  • Large GV size and impaired liver function are significant predictors of GV bleeding.
  • High-risk patients require vigilant observation and prophylactic measures against variceal bleeding.
Abstract

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