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Related Experiment Videos

Severe bleeding after nephrolithotomy: results of hyperselective embolization.

X Martin1, F J Murat, L C Feitosa

  • 1Urology, Edouard Herriot'sHospital, Lyon, France.

European Urology
|March 8, 2000
PubMed
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Hyperselective embolization effectively treats severe bleeding after percutaneous nephrolithotomy (PNL). This minimally invasive technique resolved hemorrhages in most patients, preserving renal function and blood pressure.

Area of Science:

  • Urology
  • Interventional Radiology

Background:

  • Percutaneous nephrolithotomy (PNL) is a common procedure for renal calculi removal.
  • Severe hemorrhage is a rare but serious complication of PNL.
  • Standard methods may fail to control PNL-induced bleeding.

Purpose of the Study:

  • To evaluate the efficacy of hyperselective embolization for managing severe post-PNL hemorrhage.
  • To assess the safety and outcomes of this interventional technique.

Main Methods:

  • Retrospective review of 808 PNL patients from 1984-1998.
  • Identification of 8 patients (1%) with severe bleeding unresponsive to conventional treatment.
  • Treatment with hyperselective embolization guided by renal arteriography.
  • Analysis of complications, treatment success, renal function, and blood pressure.

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Main Results:

  • Renal arteriography revealed arteriovenous fistulas and pseudoaneurysms in treated patients.
  • Successful embolization achieved definitive treatment in 7 out of 8 patients.
  • One patient required partial nephrectomy due to embolization failure.
  • No significant changes in serum creatinine were observed in patients with normal renal function.
  • Blood pressure remained normal in all but one patient post-treatment.

Conclusions:

  • Hyperselective embolization is a safe and effective treatment for massive hemorrhage following PNL.
  • It represents the least invasive option for managing severe post-PNL bleeding.
  • The technique preserves renal function and maintains hemodynamic stability.