ArticleActa anaesthesiologica Scandinavica2025
The Role of Other Major Postoperative Complications in Determining Outcomes of Acute Kidney Injury After Coronary Artery Bypass Surgery.
Article in Acta anaesthesiologica Scandinavica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Long-term risks of major adverse cardiovascular events after acute kidney injury: a systematic review and meta-analysis.Clinical kidney journal · 2026Article
- The Role of Other Major Postoperative Complications in Determining Outcomes of Acute Kidney Injury After Coronary Artery Bypass Surgery.Acta anaesthesiologica Scandinavica · 2025Article
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6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundAcute kidney injury (AKI) is a common complication of coronary artery bypass surgery (CABG) and is associated with worse outcomes. It remains unclear whether AKIs impact on prognosis can be attributed to other concurrent major complications.
methodsThis retrospective cohort study included consecutive patients undergoing isolated CABG at a single nationwide center from 2001 to 2020. Patients receiving preoperative dialysis and those with insufficient pre- and postoperative serum creatinine values were excluded. AKI and postoperative chronic kidney disease were defined by the serum creatinine component of the kidney disease: improving global outcomes criteria. Cox regression was used to estimate the impact of AKI on short- and long-term risk of mortality and major adverse cardiac and cerebrovascular events (MACCE); before and after excluding patients with other major complications. Propensity score matching was used to balance heterogeneity.
resultsOut of 2287 individuals, criteria for AKI were met by 459 (20.1%), distributed as 375 (16.4%), 36 (1.6%), and 48 (2.1%) for Stages 1 through 3, respectively. The incidence of any major complication was 561 (24.5%), with 203 (8.9%) individuals having both AKI and major complications. Patients with AKI were older and had a higher incidence of comorbidities. AKI was associated with higher 30-day mortality (HR: 2.02, CI: 1.10-3.70) and inferior long-term outcomes (mortality, HR: 1.46; CI: 1.14-1.86; MACCE, HR: 1.48, CI: 1.20-1.81), but also predicted a higher hazard of postoperative chronic kidney disease (HR: 1.82, CI: 2.53-2.17). However, after excluding patients with other major complications, AKI was not associated with short- or long-term mortality but predicted inferior MACCE-free survival (HR: 1.59, CI: 1.23-2.06).
conclusionsAKI following CABG was not associated with short- and long-term mortality in the absence of major complications but predicted a higher risk of MACCE and postoperative chronic kidney disease. These results highlight AKIs role in progressive renal dysfunction and long-term cardiovascular morbidity, while its association with short-term mortality may be mediated by other major complications.
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