Traumatic Catheterization Procedure

  • Sedation
  • Use largest open-end rigid polypropylene urinary catheter cut diagonally to create a sharp edge like a needle bevel.
  • Lube heavily and pass catheter retrograde and guide with US into pathologic tissue.
  • Drain urine to minimal amount necessary to enhance visualization of the lesion.
  • Assistant provides negative pressure with 60 cc syringe while providing sharp jabs into tissue lesion guided by sonographer. See 3rd video.
  • Histopath review if overt tissue obtained, if fragmented then centrifuge and submit sediment on slide or tissue container. Culture sediment as well.

More Ultrasound-Guided Procedures


Bubble Study

The reason to perform a bubble study is to confirm the presence of shunting of blood from venous to arterial flow such as a Reverse VSD or a Reverse PDA.

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