How is occlusion in the catheter corrected during paracentesis?

Updated: Jul 05, 2018
  • Author: Gil Z Shlamovitz, MD, FACEP; Chief Editor: Vikram Kate, MBBS, MS, PhD, FRCS, FACS, FACG, FRCS(Edin), FRCS(Glasg), FIMSA, MAMS, MASCRS  more...
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The catheter can become occluded by a loop of bowel or omentum. If the flow stops, kink or clasp the tubing to avert loss of suction, then break the seal and manipulate the catheter slightly, and finally reconnect and see if flow resumes. Rotating the catheter about the long axis can sometimes reinstitute flow in models with side ports.

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