Risk factors for gastrointestinal bleeding in patients with cerebral infarction after dual antiplatelet therapy

Jiaming Huang1, Foqiang Liao2, Jianhua Tang1

  • 1Department of Gastroenterology, Nanchang University Affiliated Ganzhou Hospital, Ganzhou, Jiangxi 341000, China.

Insights

Long-term aspirin use and severe cerebral infarction increase gastrointestinal bleeding risk in patients on dual antiplatelet therapy. Proton pump inhibitors (PPIs) offer protection against this bleeding.

Area of Science:

  • Cardiology
  • Neurology
  • Gastroenterology

Background:

  • Dual antiplatelet therapy (DAPT) is crucial for preventing secondary events in cerebral infarction patients.
  • Gastrointestinal bleeding (GIB) is a significant complication associated with antiplatelet medications.
  • Identifying risk factors for GIB in this vulnerable population is essential for optimizing patient care.

Purpose of the Study:

  • To investigate the risk factors associated with gastrointestinal bleeding in patients with cerebral infarction who are undergoing dual antiplatelet therapy.
  • To identify protective factors that may mitigate the risk of gastrointestinal bleeding in this patient cohort.

Main Methods:

  • A retrospective study included 2370 patients with cerebral infarction receiving DAPT.
  • Patients were divided into bleeding and non-bleeding groups.
  • Propensity score matching and conditional logistic regression were employed to analyze risk factors.

Main Results:

  • After propensity score matching, 85 patients were in each group.
  • Long-term aspirin use and severity of cerebral infarction were identified as significant risk factors for GIB.
  • The use of proton pump inhibitors (PPIs) demonstrated a protective effect against GIB.

Conclusions:

  • Long-term aspirin use and cerebral infarction severity are key risk factors for GIB in patients on DAPT.
  • Proton pump inhibitor (PPI) use is associated with a reduced risk of GIB, suggesting a prophylactic role.
Abstract

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