Short-term arterial blood reperfusion of normothermic kidney in renal artery and abdominal aorta reconstructive surgery

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Abstract

Objective: To prevent kidney injury in renal artery and juxta-renal aortic surgery. After 30 min of cross-clamping ischaemia, renal arterial inflow is temporary re-established for 3 min. The aim of the study was to retrospectively analyse the results of this original technique. Methods: Between January 1987 and May and May 1999, 48 patients underwent kidney short-term arterial blood reperfusion, directly or through the Pruitt-Inahara shunt. The reperfusion was repeated every 30 min of ischaemia, whenever necessary. Fifty control patients underwent <30 min of kidney ischaemia. Patients were assessed by serum creatinine, digital angiography and radioisotope renography using technecium99. Results: In the study group one patient developed an acute renal failure and died (2% (-95% CI: 0-11%)). In both study and control groups patients showed a similar and moderate but temporary decline in renal function, which returned to preoperative levels after 1 week. Conclusions: The results of this study indicate that kidney short-term reperfusion may protect renal tissue from prolonged cross-clamping ischaemia (up to 100 min), also in patients considered at high risk for acute renal failure.

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Deriu, G. P., Grego, F., Lepidi, S., Antonello, M., Milite, D., Zaramella, M., & Damiani, N. (2001). Short-term arterial blood reperfusion of normothermic kidney in renal artery and abdominal aorta reconstructive surgery. European Journal of Vascular and Endovascular Surgery, 21(4), 314–319. https://doi.org/10.1053/ejvs.2001.1337

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