Journal of cardiothoracic surgery · 2020
Risk factors analysis of acute kidney injury following open thoracic aortic surgery in the patients with or without acute aortic syndrome: a retrospective study.
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Ma Xiaochun, Li Jinzhang, Yun Yan, Zhao Diming, Chen Shanghao, Ma Huibo, Wang Zhengjun, Zhang Haizhou, Zou Chengwei, Cui Yuqi
Аннотация
BACKGROUND: The acute kidney injury (AKI) remains a frequent complication following open thoracic aortic surgery (OTAS) and worsens the postoperative prognosis. It remains unclear that whether the predictors of AKI following OTAS are different in the patients with or without acute aortic syndrome (AAS).
METHODS: Preoperative and intraoperative variables were compared between the patients with or without AKI, and were further analyzed for identifying the potential predictors of postoperative AKI. Subgroup analysis was conducted in the patients with or without AAS, respectively.
RESULTS: AKI after OTAS occurred in 57.6% of the overall cohort, 70.1% of the patients with AAS and 46.7% of the patients without AAS. In the multivariate analysis, history of hypertension (OR 1.011, 95% CI: [1.001-1.022], p = 0.04), preoperative platelet (OR 0.995, 95% CI: [0.991-0.999], p = 0.006) and operation time (OR 1.572, 95% CI: [1.355-1.823], p < 0.001) were identified as independent predictors of postoperative AKI for the overall cohort; CPB time (OR 1.020, 95% CI: [1.009-1.031], p < 0.001) and preoperative LMR (OR 0.823, 95% CI: [0.701-0.966], p = 0.02) as independent predictors for the patients with AAS; age (OR 1.045, 95% CI: [1.015-1.076], p = 0.003), preoperative platelet (OR 0.993, 95% CI: [0.988-0.998], p = 0.04) and operation time (OR 1.496, 95% CI: [1.166-1.918], p = 0.002) as independent predictors for the patients without AAS.
CONCLUSIONS: The patients with AAS carry a higher risk for postoperative AKI compared with those without AAS. The predictive factors for postoperative AKI after OTAS are different for AAS- and non-AAS subgroups and operation time, CPB time and preoperative platelet are modifiable predictors of AKI.
METHODS: Preoperative and intraoperative variables were compared between the patients with or without AKI, and were further analyzed for identifying the potential predictors of postoperative AKI. Subgroup analysis was conducted in the patients with or without AAS, respectively.
RESULTS: AKI after OTAS occurred in 57.6% of the overall cohort, 70.1% of the patients with AAS and 46.7% of the patients without AAS. In the multivariate analysis, history of hypertension (OR 1.011, 95% CI: [1.001-1.022], p = 0.04), preoperative platelet (OR 0.995, 95% CI: [0.991-0.999], p = 0.006) and operation time (OR 1.572, 95% CI: [1.355-1.823], p < 0.001) were identified as independent predictors of postoperative AKI for the overall cohort; CPB time (OR 1.020, 95% CI: [1.009-1.031], p < 0.001) and preoperative LMR (OR 0.823, 95% CI: [0.701-0.966], p = 0.02) as independent predictors for the patients with AAS; age (OR 1.045, 95% CI: [1.015-1.076], p = 0.003), preoperative platelet (OR 0.993, 95% CI: [0.988-0.998], p = 0.04) and operation time (OR 1.496, 95% CI: [1.166-1.918], p = 0.002) as independent predictors for the patients without AAS.
CONCLUSIONS: The patients with AAS carry a higher risk for postoperative AKI compared with those without AAS. The predictive factors for postoperative AKI after OTAS are different for AAS- and non-AAS subgroups and operation time, CPB time and preoperative platelet are modifiable predictors of AKI.