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Technical Refinement of a Bilateral Renal Ischemia-Reperfusion Mouse Model for Acute Kidney Injury Research
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[Retrograde intrarenal surgery (RIRS). Technical complement for cases of acute lithiasis].

J H Amón1, M Cepeda, C Conde

  • 1Servicio de Urología, Hospital Río Hortega, Valladolid, España. amonsesmero@yahoo.es

Actas Urologicas Espanolas
|February 5, 2011
PubMed
Summary
This summary is machine-generated.

Retrograde intrarenal surgery (RIRS) effectively treats kidney stones, especially larger ones. Washing renal cavities during RIRS aids fragment removal, reducing the need for repeat procedures.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery
  • Nephrolithiasis Management

Context:

  • Retrograde intrarenal surgery (RIRS) is a key treatment for kidney stones.
  • Fragment elimination can be challenging due to stone size or renal anatomy.
  • Minimally invasive techniques are preferred for renal stone management.

Purpose:

  • To evaluate the efficacy of RIRS with renal cavity washing for kidney stone removal.
  • To assess the impact of stone size on RIRS outcomes.
  • To determine the effectiveness of a minipercutaneous sheath for fragment lavage.

Summary:

  • 37 RIRS procedures were performed on 35 patients with renal lithiasis, divided into groups based on stone size (<1.5 cm and >1.5 cm).
  • The study utilized flexible ureteroscopy with Holmium laser lithotripsy and fragment extraction baskets.
  • In cases with significant stone burden or altered anatomy, renal cavities were washed using a mini-percutaneous sheath to aid fragment drainage.

Impact:

  • RIRS demonstrated high stone-free rates at 3 months (93.1%), particularly for smaller stones.
  • Renal cavity washing proved beneficial in eliminating fragments, reducing retreatment rates.
  • The procedure showed no instances of ureteral stenosis, highlighting its safety profile.