Can a PET be completed with 1L fill volumes instead of 2L? The patient weighs approx 30 kg and has a 1 L fill volume prescription.

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Kim M, Nurse from chicago asked
Can a PET be completed with 1L fill volumes instead of 2L? The patient weighs approx 30 kg and has a 1 L fill volume prescription.

1 answer

Nurse Canada with members of the ISPD Nursing Liaison Committee August 12, 2020

We thank you for your interesting question. As you are aware, the standardized Peritoneal Equilibration Test (PET) is based on the work by Twardowski in which the fill volume was 2 liters (1).
 
Our one suggestion to you is to try to obtain access to a computer program such as PD Adequest, which will allow you to enter different fill volumes. In your situation, you can enter your patient’s 1 liter fill volume. Note that the ensuing PET result will be based on predictive modeling and called a “Simulated PET” (as compared to an “Actual PET”).
 
1. Twardowski ZI, Nolph KD, Khanna R: Peritoneal equilibrium test. Peril Dial Bull 7: 138-147, 1987.

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