Is there a guideline on the size of syringe and amount of pressure to apply when attempting to remove a PD Catheter blockage?

Questions About PD

Linda, Nurse from US asked
Is there a guideline on the size of syringe and amount of pressure to apply when attempting to remove a PD Catheter blockage?

1 answer

Eric Goffin February 9, 2021

We usually use a 20 mL syringe filled with some dialysate ; with that size, it’s easier to really test the resistance within the PD catheter. Do not hesitate to inject with some pressure and to alternate injection/aspiration to dislodge the fibrin clot within the catheter. If it doesn’t work, make a plain abdominal X Ray to see the catheter position ; if correct, you can inject a dye product within the catheter to differentiate between a fibrin clot within the catheter or a omental wrapping. 

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