Zero Ischemia Laparoscopic Partial Nephrectomy

Plain-language summary

Laparoscopic partial nephrectomy (LPN) is often reserved for patients with a small peripheral tumour, in the hands of an experienced surgeon since it demands a high degree of endoscopic skill. Renal vessel clamp for vascular control is a required step during standard LPN. However, this creates a time limiting step for the surgeon and induces renal injury via warm ischemia and reperfusion injury. This novel approach can substantially reduce renal injury during LPN via superselective embolization of level II renal arteries pre-operatively. This technique facilitates the performance of a clamp-less, zero-ischemia LPN, significantly simplifying the procedure by remove time thresholds within which to perform tumor excision. The preliminary results are promising; however, there is a need for further corroboration of their results, in addition to a randomized controlled trial comparing this modified, zero ischemia technique with standard LPN.

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