Aspirin Continuation or Interruption in Patients at Moderate Risk for Cardiovascular Events Undergoing Colonoscopy and/or Polypectomy

One in 4 adults between 50 and 80 reports taking regular aspirin. The prevalence of aspirin uses increases with age as well as co-morbid vascular diseases. Patients with cardiovascular diseases are at risk of developing colorectal neoplasms. In patients undergoing screening colonoscopy, interruption of aspirin is believed to be associated with increased cardiovascular events. Continuation of aspirin can however be associated with an increased risk of post-polypectomy bleeding. International guidelines on periendoscopy management recommend the continuation of aspirin based on evidence from cohort studies, mostly retrospective, suggesting that the rate of bleeding is low. Cardiovascular complications from aspirin interruption can lead to disabilities and occasional deaths. The cardiovascular risks following aspirin continuation or interruption in endoscopy have not been well studied. There has been no randomized study to compare either strategy. Endoscopists are divided on their opinion on whether to stop or to continue aspirin. The proposed large randomized controlled trial (RCT) is powered to detect small differences in both outcomes. Findings from this RCT will address this important question and inform our clinical practice.

This description comes directly from the study's public registry record.

James Yun Wong Lau, MD  ·  +85235051445  ·  laujyw@surgery.cuhk.edu.hk

Cecilia Chan, PhD  ·  35052640  ·  ceciliachan@surgery.cuhk.edu.hk

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