ArticleGeneral thoracic and cardiovascular surgery2025
Pulsatile cardiopulmonary bypass using a centrifugal pump reduces acute kidney injury after cardiac surgery: a propensity score-matched analysis.
Article in General thoracic and cardiovascular surgery, 2025. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- The interplay between pulsatility, sympathetic regulation and renal physiology: Implications for left ventricular assist devices.Experimental physiology · 2026Review
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Authors and funding
5 authors.
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Abstract
objectiveAcute kidney injury (AKI) affects approximately 30% of patients undergoing cardiac surgery with conventional non-pulsatile cardiopulmonary bypass (CPB). Pulsatile flow has long been proposed for mitigating this complication. While the 2019 EACTS guidelines recommend pulsatile perfusion for high-risk renal patients, most evidence is based on intra-aortic balloon pump (IABP) studies, with limited evidence for centrifugal pumps. We aimed to evaluate whether pulsatile CPB using a centrifugal pump reduces postoperative AKI in patients undergoing cardiac surgery.
methodsThis retrospective study analyzed 824 patients who underwent cardiac surgery between December 2008 and December 2023. The patients were divided into pulsatile perfusion (PP) and non-pulsatile perfusion (NP) groups. Propensity score matching was adjusted for the baseline characteristics, resulting in 265 matched pairs. The primary endpoint was postoperative AKI, defined by the Kidney Disease: Improving Global Outcomes (KDIGO) criteria. Subgroup analyses were performed based on estimated glomerular filtration rate (eGFR).
resultsIn the matched cohort, the PP group had a significantly lower incidence of AKI than the NP group (20.8 vs. 34.3%; odds ratio, 0.5; 95% confidence interval, 0.33-0.75; P < 0.001). A subgroup analysis showed that patients with a preoperative eGFR of 15-60 had a significantly lower incidence of AKI in the PP group (28.3 vs. 47.1%; P = 0.005). No significant differences were observed in secondary outcomes, including hemodialysis, cerebrovascular events, and in-hospital mortality.
conclusionsPulsatile CPB using a centrifugal pump significantly reduced the incidence of postoperative AKI in cardiac surgery patients, particularly in those with preoperative renal impairment.
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