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5/6 Nephrectomy Using Sharp Bipolectomy Via Midline Laparotomy in Rats

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Renal-artery pseudoaneurysm after laparoscopic partial nephrectomy.

Jayant Uberoi¹, Khalid H Badwan, David S Wang

¹Department of Urology, Boston University School of Medicine, Boston, Massachusetts 02118, USA.

Journal of Endourology

|April 21, 2007

Summary

Renal artery pseudoaneurysms can occur after laparoscopic partial nephrectomy (LPN). Angiography with coil embolization effectively treats this delayed complication, presenting as hematuria or flank pain.

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Use of a Hanging-weight System for Isolated Renal Artery Occlusion

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Published on: July 19, 2011

Area of Science:

Urology
Minimally Invasive Surgery
Interventional Radiology

Background:

Laparoscopic partial nephrectomy (LPN) is a minimally invasive approach for small renal masses.
Common LPN complications include hemorrhage and urinary fistulas.
Renal artery pseudoaneurysms are a rare but serious complication, previously reported after open surgery.

Observation:

Two patients developed delayed gross hematuria and flank pain after LPN.
These symptoms were attributed to renal artery pseudoaneurysms.
Both patients had incidentally discovered renal masses treated with LPN with initial hemostasis.

Findings:

Both pseudoaneurysms were successfully treated with selective angiographic coil embolization.
Post-procedure imaging confirmed resolution of the pseudoaneurysms.
This highlights a delayed presentation of a potentially life-threatening complication.

Implications:

Renal artery pseudoaneurysm is a significant complication of LPN.
Delayed presentation with hematuria and/or flank pain warrants investigation for pseudoaneurysm.
Angiography with coil embolization is the recommended treatment strategy.