Risk factors for hospitalized upper or lower gastrointestinal tract bleeding in treated hypertensives

Robert C. Kaplan, Susan R. Heckbert, Bruce M. Psaty

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Background. We examined risk factors for hospitalized gastrointestinal bleeding among health maintenance organization (HMO) members with hypertension. Methods. Case subjects (n = 199) were patients with hypertension hospitalized for confirmed gastrointestinal bleeding in 1992-1994. Control hypertensive subjects (n = 821) were selected from ongoing studies. Medical records and computerized pharmacy data were used to assess risk factors. Adjusted relative risks (RRs) were estimated using logistic regression models. Results. In multivariate-adjusted models, significant risk factors for upper gastrointestinal bleeding (n = 111 cases) were hepatic disease (RR = 2.85), elevated creatinine (RR = 2.45), nonsteroidal anti-inflammatory drug use (RR = 2.28), smoking (RR = 1.93), cardiovascular disease (RR = 1.89), and physical inactivity (RR = 1.70). Risk factors for lower gastrointestinal bleeding (n = 43 cases) in multivariate-adjusted analyses were anticoagulant or thrombolytic therapy (RR = 3.80), elevated creatinine (RR = 2.31), and physical inactivity (RR = 2.10). Conclusions. This study confirmed several known risk factors for hospitalized gastrointestinal bleeding, including hepatic disease, renal dysfunction, and medication use, and also identified smoking and physical inactivity as independent risk factors. The magnitude of the relative risks associated with these behavioral factors suggests that lifestyle modification may substantially reduce the risk of gastrointestinal bleeding.

Original languageEnglish (US)
Pages (from-to)455-462
Number of pages8
JournalPreventive Medicine
Volume34
Issue number4
DOIs
StatePublished - Jan 1 2002

Keywords

  • Epidemiology
  • Gastrointestinal hemorrhage
  • Risk factors

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

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