This retrospective, single-center observational study evaluates the association between the duration of total circulatory arrest (TCA) and the incidence and severity of postoperative acute kidney injury (AKI) in patients undergoing pulmonary endarterectomy between 2018 and 2020. AKI will be classified according to KDIGO 2012 criteria, using both changes in serum creatinine and hourly urine output tracked over 48 hours. The study aims to determine the frequency of AKI, its association with TCA duration, and to identify potential perioperative risk factors contributing to renal dysfunction. Secondary outcomes will include the relationship between AKI and in-hospital mortality, length of intensive care unit stay, and total hospital length of stay. Findings from this study may provide insights into optimizing intraoperative management strategies to reduce postoperative renal morbidity in patients undergoing pulmonary endarterectomy.
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Association Between Total Circulatory Arrest Duration and Incidence of Postoperative Acute Kidney Injury
Timeframe: up to 48 hours, postoperatively