Why the study?
Postoperative AKI is a common surgical complication with high morbidity and mortality, but conventional diagnostic criteria may be inaccurate postoperatively.
This review highlights the challenges in diagnosing postoperative AKI using conventional criteria and emphasizes the potential of novel biomarkers and management bundles.
Postoperative AKI diagnosis warrants caution with conventional criteria; leaves open prospective validation of biomarkers and bundles in surgical populations.
Postoperative AKI is a common complication of major surgery and is associated with significant morbidity and mortality. The Kidney Disease Improving Global Outcomes AKI definition allows consensus classification and identification of postoperative AKI through changes in serum creatinine and/or urine output. However, such conventional diagnostic criteria may be inaccurate in the postoperative period, suggesting a potential to refine diagnosis by application of novel diagnostic biomarkers. Risk factors for the development of postoperative AKI can be thought of in terms of preoperative, intraoperative, and postoperative factors and, as such, represent areas that may be targeted perioperatively to minimize the risk of AKI. The treatment of postoperative AKI remains predominantly supportive, although application of management bundles may translate into improved outcomes.
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Boyer et al. (2022) studied this question.
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