Percutaneous nephrostomy

Percutaneous nephrostomy . Minimally invasive technique that allows the percutaneous placement – for diagnostic or therapeutic purposes – of a catheter of adequate caliber inside the renal collecting system.

Summary

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  • 1 Discovery
  • 2 Indications
    • 1 Therapeutics
    • 2 Diagnostics
  • 3 Contraindications
  • 4 See also
  • 5 Sources

Discovery

Goodwing, an American radiologist, discovered by chance the percutaneous approach to the intrarenal urinary tract, when he tried to perform a trans-lumbar arteriography on a patient with urographic silence of one of his kidneys and thus, in 1955 , he saw lauluz one of the most important endourological techniques and transcendental for the future course of Urology , percutaneous nephrostomy.

Indications

Therapeutics

  • Treatment of SUD obstruction associated or not with infection, anuria or CRI.
  • To support LEC in critical mass calculations.
  • As an approach to CRP (NLP, EPP, NPP).

Diagnostic

  • Morpho-functional evaluation of the obstructed renoureteral hemisystem:
    • Antegrade pyeloureterogram.
    • Urodynamics of the upper urinary tract.
  • To specify the existence or not of obstruction:
    • Whitaker test.
    • Navarrete Sailing Test.

Contraindications

  • Uncontrolledhemorrhagic disease .
  • Severe persimmon deformity that prevents proper positioning.
  • Kidneypositional abnormality .

 

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