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Highlights the emerging awareness of intraoperative hypotension as a preventable cause of postoperative acute kidney injury in patients undergoing aortic valve replacement.
Huber et al in a single-center cohort study of 3646 patients who underwent inpatient vascular surgery between 2000 and 2010 at a tertiary care teaching hospital demonstrated that perioperative acute kidney injury (AKI) occurred in 1801 (49.4%) patients (1). Besides, adjusted cardiovascular mortality estimates at 10 years were 17%, 31%, 30%, and 41%, for patients with no kidney disease, for patients with AKI but without chronic kidney disease (CKD), for patients with CKD but without AKI, and for patients with AKI and CKD, respectively (1). Until very recently, in the cognate AKI-surgery literature, intraoperative hypotension (IOH) following hypotensive anesthesia or controlled hypotension in the operating room has been accepted to not pose any significant short-term and/or long-term consequences on renal function (2). Nevertheless, in the last few years there has been an increasing awareness of the impact of IOH as a formidable albeit preventable factor in the causation of postoperative AKI (3-7). AKI following aortic valve replacement (AVR) results
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Onuigbo et al. (2016) studied this question.
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