ArticleKidney diseases (Basel, Switzerland)
Excess Conventional Ultrafiltration Volume Increases Risk for Postoperative Cardiac Surgery-Associated Acute Kidney Injury.
Article in Kidney diseases (Basel, Switzerland). The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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12 authors.
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Abstract
Introduction: Conventional ultrafiltration (CUF) is employed during cardiopulmonary bypass to remove excess fluid and concentrate specific blood components. The study aimed to investigate the impact of CUF volume on postoperative cardiac surgery-associated acute kidney injury (CSA-AKI). Methods: This single-center, retrospective study included adult patients undergoing on-pump cardiac surgery between 2018 and 2023. Patients were classified into four categories for comparative analysis: the none-CUF group and three groups according to tertiles of the weight-adjusted CUF volume (tertile 1, 0.1-15.2 mL/kg; tertile 2, 15.3-25.0 mL/kg; tertile 3, >25.0 mL/kg). The primary outcome was postoperative CSA-AKI according to the Kidney Disease Improving Global Outcomes (KDIGO) criteria, and secondary outcomes included perioperative blood transfusion, pulmonary complications, chest drainage volume, urine output, hospital and ICU lengths of stay, and in-hospital mortality. The association between weight-adjusted CUF volume and patient outcomes was assessed by multivariable logistic regression model. Results: A total of 22,403 patients were included and the incidence of CSA-AKI was 28.1%. Weight-adjusted CUF volume (per 10 mL/kg increase) was independently associated with higher risk of any-stage CSA-AKI (adjusted odds ratio [aOR], 1.25; 95% confidence interval [CI], 1.14-1.38; Conclusion: Excess weight-adjusted CUF volume was significantly associated with increasing incidence of CSA-AKI and prolonged mechanical ventilation, but did not reduce the requirement for perioperative RBC transfusion. These findings highlight the cautious application of CUF in fluid management during cardiac surgery.
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