Acute kidney injury after lung transplantation, incidence, risk factors, and effects: A Swedish nationwide study.

IF 1.9 4区 医学 Q2 ANESTHESIOLOGY Acta Anaesthesiologica Scandinavica Pub Date : 2025-04-01 DOI:10.1111/aas.70014
Edgars Grins, Johanna Wijk, Henrik Bjursten, Maria Zeaiter, Sandra Lindstedt, Göran Dellgren, Per Ederoth, Lukas Lannemyr
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Abstract

Background: Acute kidney injury (AKI) is a serious complication after lung transplantation, but the reported incidence varies in the literature. No data on AKI have been published from the Swedish lung transplantation program.

Methods: The aim of our study was to investigate the incidence, perioperative risk factors, and effects of early postoperative acute kidney injury (Kidney Disease Improving Global Outcomes [KDIGO] criteria) after lung transplantation. A retrospective, nationwide study of 568 lung-transplanted patients in Sweden between 2011 and 2020 was performed.

Results: The incidence of AKI (any grade) was 42%. Renal replacement therapy was used in 5% of the patients. Preoperative factors independently associated with increased incidence of AKI were higher body mass index (odds ratio [OR]: 1.07, 95% CI: 1.02, 1.12) longer time on transplantation waiting list (OR: 1.05 [1.01, 1.09]), re-transplantation (OR: 2.24 [1.05, 4.80]) and moderate to severe tricuspid regurgitation (OR: 2.61 [1.36, 5.03]). Intraoperative factors independently associated with increased incidence of AKI were use of cardiopulmonary bypass (OR: 2.70 [1.57, 4.63]), increasing number of transfused red blood cell units, and use of immunosuppressive therapy other than routine (OR: 2,56 [1.47, 4.46]). A higher diuresis (OR: 0.70, 95% CI: 0.58-0.85) was associated with less incidence of acute kidney injury. Development of AKI was associated with increased time to extubation (median 30 h, IQR [9, 118] vs. 6 [3, 16]), length of stay in the intensive care unit (9 days [4, 25] vs. 3 [2, 5]) and increased rate of primary graft dysfunction (OR 2.33 [1.66, 3.29]) and 30-day mortality (OR: 10.8 [3.0, 69]).

Conclusions: Acute kidney injury is common after lung transplantation and affects clinical outcomes negatively. Preoperative factors may be used for risk assessment. The use of cardiopulmonary bypass is a potentially modifiable intraoperative risk factor.

Editorial comment: Acute kidney injury is a common complication after lung transplantation that severely influences patient outcomes. This large study of more than 500 patients treated over a decade identified potentially modifiable factors associated with the development of acute kidney injury.

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来源期刊
CiteScore
4.30
自引率
9.50%
发文量
157
审稿时长
3-8 weeks
期刊介绍: Acta Anaesthesiologica Scandinavica publishes papers on original work in the fields of anaesthesiology, intensive care, pain, emergency medicine, and subjects related to their basic sciences, on condition that they are contributed exclusively to this Journal. Case reports and short communications may be considered for publication if of particular interest; also letters to the Editor, especially if related to already published material. The editorial board is free to discuss the publication of reviews on current topics, the choice of which, however, is the prerogative of the board. Every effort will be made by the Editors and selected experts to expedite a critical review of manuscripts in order to ensure rapid publication of papers of a high scientific standard.
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