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 .
