When determining Drain Volume from CAPD (Baxter Ultrabag) Do you weigh bag prior (in bag) & all tubing then subtract weight of drained bag to determine fluid balance? How do other hospitals document CAPD ?
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When determining Drain Volume from CAPD (Baxter Ultrabag) Do you weigh bag prior (in bag) & all tubing then subtract weight of drained bag to determine fluid balance? How do other hospitals document CAPD ?
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Weighing the bag before and after an exchange is generally not necessary in routine clinical practice. Each CAPD bag has a small “overfill” – a larger volume than on the bag. This is done to allow for “flush-before-fill”. Hence, it is safe to assume that a 2000 ml bag is about 2000 ml. The weight of the bag itself, and the tubing is small and the magnitude of error is not large enough for it to be clinically relevant. It is sufficient to weigh the drain bag and subtract the stated weight on the bag to obtain the ultrafiltration volume for that given exchange.
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