Surgery · 2024
Perioperative aspirin and coronary artery bypass graft surgery: An updated meta-analysis of randomized controlled trials.
СтатьяМетаанализСистематический обзорНазвание и аннотация: Перевод пока не подготовлен
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Gupta Aashray K, Zaka Ammar, Lombardo Alexander, Tsimiklis James, Stretton Brandon, Kovoor Joshua G, Bacchi Stephen, Ramponi Fabio, Chan Justin C Y, Thiagalingam Aravinda, Gould Paul, Sivagangabalan Gopal, Zaman Sarah, Chow Clara, Kovoor Pramesh, Smith Julian A, Bennetts Jayme S, Maddern Guy J
Аннотация
BACKGROUND: The decision to continue aspirin before elective coronary artery bypass graft surgery remains contentious because of competing thrombotic and bleeding risks. We performed a contemporary systematic review and meta-analysis to compare outcomes between patients undergoing coronary artery bypass grafting who stopped and continued aspirin before surgery.
METHODS: PubMed, MEDLINE, and CENTRAL databases were searched from inception to 4 October 2023 for randomized controlled trials comparing patients undergoing coronary artery bypass grafting who continued preoperative aspirin with those who discontinued before surgery. Studies with cointervention arms and multivariable-adjusted or propensity matched observational studies were excluded. Summary odds ratios were calculated using a random effects model for dichotomous and continuous variables. Subgroup and sensitivity analyses were conducted in order to explore sources of heterogeneity.
RESULTS: Fifteen eligible randomized controlled trials were included with a total of 6,188 patients. Patients who continued aspirin demonstrated no significant difference in all-cause mortality (odds ratio, 1.37; confidence interval, 0.81-2.33), perioperative myocardial infarction (odds ratio, 0.81; confidence interval, 0.55-1.18), and postoperative blood loss (mean difference, 66.12 mL; confidence interval, -1.45 to 133.69). No significant difference was observed between low-dose and greater doses of aspirin. There was minimal heterogeneity amongst included studies (I2 = 0%, P = .97, I2 = 33%, P = .13, and I2= 76, P = .06, respectively). Studies were of low methodologic quality according to Cochrane Risk of Bias for Randomized Trials.
CONCLUSIONS: This largest to-date systematic review and meta-analysis found no significant difference for risk of all-cause mortality, perioperative myocardial infarction, and postoperative bleeding between patients continuing and stopping aspirin before coronary artery bypass grafting.
METHODS: PubMed, MEDLINE, and CENTRAL databases were searched from inception to 4 October 2023 for randomized controlled trials comparing patients undergoing coronary artery bypass grafting who continued preoperative aspirin with those who discontinued before surgery. Studies with cointervention arms and multivariable-adjusted or propensity matched observational studies were excluded. Summary odds ratios were calculated using a random effects model for dichotomous and continuous variables. Subgroup and sensitivity analyses were conducted in order to explore sources of heterogeneity.
RESULTS: Fifteen eligible randomized controlled trials were included with a total of 6,188 patients. Patients who continued aspirin demonstrated no significant difference in all-cause mortality (odds ratio, 1.37; confidence interval, 0.81-2.33), perioperative myocardial infarction (odds ratio, 0.81; confidence interval, 0.55-1.18), and postoperative blood loss (mean difference, 66.12 mL; confidence interval, -1.45 to 133.69). No significant difference was observed between low-dose and greater doses of aspirin. There was minimal heterogeneity amongst included studies (I2 = 0%, P = .97, I2 = 33%, P = .13, and I2= 76, P = .06, respectively). Studies were of low methodologic quality according to Cochrane Risk of Bias for Randomized Trials.
CONCLUSIONS: This largest to-date systematic review and meta-analysis found no significant difference for risk of all-cause mortality, perioperative myocardial infarction, and postoperative bleeding between patients continuing and stopping aspirin before coronary artery bypass grafting.