Thromboembolism as a Cause of Renal Artery Occlusion and Acute Kidney Injury: The Recovery of Kidney Function after Two Weeks
نویسندگان
چکیده
Thromboembolic occlusion is a rare cause of acute kidney injury (AKI). It may lead to permanent loss of renal function. Our patient, who had dilated cardiomyopathy and prosthetic aortic valve, presented with AKI due to thromboembolic arterial occlusion of a solitary functioning kidney. After 2 weeks delay, local intra-arterial thrombolytic treatment with recombinant tissue plasminogen activator was performed without sufficient effect. However, a subsequent percutaneous transluminal angioplasty with stenting was successful. Diuresis began immediately, and renal function was fully recovered after 2 weeks. Although there had been no evident arterial circulation in the kidney, we think that minor flow through subtotal occlusion of the main renal artery made the hibernation of kidney tissue possible and contributed to the recovery. Thus, even after prolonged ischemia, revascularization can be useful.
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