期刊
RENAL FAILURE
卷 43, 期 1, 页码 958-967出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/0886022X.2021.1940201
关键词
Acute kidney injury; surgery; proteinuria; meta-analysis
This meta-analysis involving 203,987 participants from 11 observational studies found that preoperative proteinuria is an independent risk factor for postoperative AKI. Further subgroup analysis revealed that preoperative proteinuria measured using dipsticks is also an independent risk factor for postoperative AKI.
Objective To investigate the relationship between preoperative proteinuria and postoperative acute kidney injury (AKI). Methods We performed a search on databases included PubMed, Embase, the Cochrane Library, and Web of Science, from December 2009 to September 2020. Data extracted from eligible studies were synthesized to calculate the odds ratio (OR) and 95% confidence interval (CI). A fixed or random effects model was applied to calculate the pooled OR based on heterogeneity through the included studies. Results This meta-analysis of 11 observational studies included 203,987 participants, of whom 21,621 patients suffered from postoperative AKI and 182,366 patients did not suffer from postoperative AKI. The combined results demonstrated that preoperative proteinuria is an independent risk factor for postoperative AKI (adjusted OR = 1.65, 95%CI:1.44-1.89, p < 0.001). Subgroup analysis showed that both preoperative mild proteinuria (adjusted OR = 1.30, 95%CI:1.24-1.36, p < 0.001) and preoperative heavy proteinuria (adjusted OR = 1.93, 95%CI:1.65-2.27, p < 0.001) were independent risk factors for postoperative AKI. The heterogeneity was combined because its values were lower. Further subgroup analysis found that preoperative proteinuria measured using dipstick was an independent risk factor for postoperative AKI (adjusted OR = 1.48, 95%CI:1.37-1.60, p < 0.001). Finally, preoperative proteinuria was an independent risk factor for postoperative AKI in the non-cardiac surgery group (adjusted OR = 2.06, 95%CI:1.31-3.24, p = 0.002) and cardiac surgery group (adjusted OR = 1.69, 95%CI:1.39-2.06, p < 0.001) Conclusion Preoperative proteinuria is an independent risk factor for postoperative AKI and in instances when proteinuria is detected using dipsticks.
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