It was reported that bd maxzero multi-fuse pressure rated extension set was damaged.The following information was received by the initial reporter:.Situation/background: lines are being primed and hung on patients with central lines per unit protocol.There have been four instances that air has been found in the line after it has been running.One baby decompensated immediately and needed resuscitative measures and 24 hours later went to emergency surgery due to nec from lack of blood flow (air) getting to baby.One baby had perfusion changes on half side of its body and recovered.Two other babies the air was caught before it reached the patient.When the baby is in a swing that is on the ground, the filter stays with the baby, but this is typically when we are getting air in lines.Our process looks normal for what we've always done and been educated; but what else would be causing the air in the line based on the infant's location relative to pumps since the filter is remaining with her? assessment: after thorough investigation of the products and how lines are hanging, the best guess is it is the max zero minibore bi-fuse pressure rated extension set (ref mz 5307).If the medication tubing that connects to the bi-fuse is not screwed on correctly air is getting into the line.This product has been in use for several years and the situations that this has happened in are with experienced nurses who have been using this product.If the tubing connection is not pushed down hard enough and twisted the connection is not tight.There is variation in how nurses connect these and historically has not caused any problems.When the baby is in a swing that is on the ground, the filter stays with the baby, but this is typically when we are getting air in lines and lose prime.Our process looks normal for what we've always done and been educated; but what else would be causing the air in the line based on the infant's location relative to pumps since the filter is remaining with her?.
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