Perioperative medicine & outcomes

Management of Patients Receiving Antiplatelet Therapy During Gastroenterological Surgery: A Multicenter Prospective Cohort Study (GSATT)

Ann SurgPublished Prospective cohort study

Authors' conclusion

APT discontinuation after elective gastroenterological surgery increases the risk of thromboembolic consequences, whereas continuing preoperative aspirin greatly reduces this risk.

Study context

Population
Patients undergoing gastroenterological surgery, including patients receiving antiplatelet therapy (APT), 14 centres, October 2019–December 2021GSATT study
Participants
1,170 patients
Exposure
Continued vs discontinued preoperative aspirin APT vs non-APT
Outcome
Thromboembolic complications
Methodological detailsmulticentre, propensity-score matched
  • Multicentre
  • Propensity-score matched

Main finding

As reported in the abstract

P = 0.027

Observational data: associations, not effects.

Further findings

OutcomeContinued-APTDiscontinued-APTP value
Thromboembolic complications, propensity-matchedContinued-APT vs Discontinued-APT · propensity score matched0.6%3.3%P = 0.012

Independent risk factors for postoperative thromboembolism (multivariate, entire cohort)

Discontinuation of APT
P < 0.001
Chronic anticoagulant use
P < 0.001

Original publication

Management of Patients Receiving Antiplatelet Therapy During Gastroenterological Surgery: A Multicenter Prospective Cohort Study (GSATT). Ann Surg. Published 23 October 2023. doi:10.1097/sla.0000000000006136

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