In a patient who had undergone right nephrectomy for renal carcinoma 20 years earlier, anuria developed following left renal artery embolism. Nine days later, renal artery embolectomy was successfully performed. This represents the longest reported anuric interval between the onset of symptoms and successful treatment. Intraoperative, intra-arterial instillation of human fibrinolysin seemed to facilitate the removal of thrombotic material from the distal renal artery branches. Renal artery occlusion is reversible, at least occasionally, after prolonged nonfunction.
Sullivan MJ, Cronin R, Lackner LH, Edwards WS. Embolization of a Solitary KidneySuccessful Embolectomy After Nine Days. JAMA. 1972;222(1):82–83. doi:10.1001/jama.1972.03210010062014