Acute bilateral renal cortical necrosis as a cause of postoperative renal failure.

Acute renal failure after a major intra-abdominal operation is, unfortunately, not an infrequent occurrence. Acute tubular necrosis, the most common cause of postoperative renal failure, usually follows a predictable clinical course, with most patients recovering full renal function. We describe a patient who developed acute renal failure after orthotopic liver transplantation. Subsequent workup revealed the patient to have acute bilateral renal cortical necrosis. Bilateral renal cortical necrosis is an extremely rare cause of renal failure and an even rarer cause of postoperative renal failure. We discuss the diagnosis and management of this uncommon disorder and review the salient literature. Of the approximately 15 known reported cases involving native kidneys after a major nonobstetric abdominal operation in the world literature, we believe this is the first to be related to an orthotopic organ transplant.