ArticleGeneral thoracic and cardiovascular surgery2021
Coronary computed tomography angiography before on-pump cardiac surgery does not reduce the risk of postoperative acute kidney injury compared to coronary angiography.
Article in General thoracic and cardiovascular surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesCardiac surgery and contrast media are both related to acute kidney injury. We investigated whether undergoing coronary computed tomography angiography, which uses less contrast medium, before on-pump cardiac surgery could reduce the risk of postoperative acute kidney injury compared to coronary angiography.
methodsIn this retrospective study, 745 and 171 patients underwent coronary angiography and coronary computed tomography angiography, respectively, within 30 days before on-pump cardiac surgery. Postoperative acute kidney injury was defined according to Kidney Disease Improving Global Outcomes Definition and Staging criteria.
resultsAge, hypertension, cardiopulmonary bypass time, and performing cardiac surgery within 24 h of preoperative angiography (odds ratio: 1.507, 95% confidence interval: 1.111‒2.045, P = 0.008) independently predicted postoperative acute kidney injury on multivariable analysis. After propensity score matching, the acute kidney injury incidence in coronary angiography and computed tomography angiography groups was 43% and 46%, respectively (P = 0.65), and the groups had similar intensive care unit stay (2 days vs. 2 days, P = 0.209), postoperative hospital stay (11 days vs. 12 days, P = 0.084), postoperative continuous renal replacement therapy use (0.6% vs 1.9%, P = 0.314), and in-hospital mortality (0 vs. 1.3%, P = 0.156). In-hospital outcomes were similar among patients who underwent preoperative coronary angiography or computed tomography angiography within 24 h before cardiac surgery.
conclusionAlthough coronary computed tomography angiography uses less contrast medium, it does not reduce the risk of postoperative acute kidney injury or improve in-hospital outcomes compared to coronary angiography.
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