“Saline is very benign and doesn’t have any risk of harm for the patient. They’re small doses, so we’re not worried about sodium or anything. The risk of heparin is actually quite extensive,” MiKaela Olsen, DNP, APRN-CNS, AOCNS®, FAAN, clinical program director in oncology at Johns Hopkins Hospital and Johns Hopkins Health System in Baltimore, MD, told Stephanie Jardine, BSN, RN, oncology clinical specialist at ONS, during a conversation about the latest evidence surrounding central venous catheter flushing solutions and techniques. You can earn free NCPD contact hours after listening to this episode by completing the evaluation linked below.
Music Credit: “Fireflies and Stardust” by Kevin MacLeod
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Highlights From Today’s Conversation
“The way that you can eliminate heparin is by really focusing on education and teaching of patients and nurses and other staff that access central lines about how to do that.” Timestamp (TS) 06:13
“One of the barriers right now I think is that a lot of the manufacturer guidelines are old, and they still recommend in their catheter guidelines to use heparin because they aren’t up to date either.” TS 07:50
“The risk of heparin is actually quite extensive. For instance, we know that heparin can cause heparin-induced thrombocytopenia, or HIT. Unfortunately, you don’t always know that your patient is experiencing that, but I’ve had many, many patients over the years where, all of a sudden, their platelet count was low, and no one knew why. . . . We did testing for HIT and found out that it was the heparin flushes that were causing that.” TS 09:04
“Normal saline is the most benign solution that can be used in catheters. There are studies showing benefit in some patient populations, and I know that some places have protocols using an antibiotic lock solution or a sodium citrate lock solution, but in general the most common type of flush solution for central lines as heparin begins to move out of favor is normal saline.” TS 13:06
“We know that using a push-pause, pulsatile, or, I call it sometimes, turbulent flush, has been shown to promote the clearance of the catheter lumen and prevent occlusion. According to the Infusion Nursing Society guidelines. . . . we are instructed to stop and start every millimeter of flush. . . . That is really important because every time you stop and start, you cause turbulence in that catheter.” TS 13:55
“When you study it, you find that patients or nurses are not actually flushing enough. If the patient’s at home and you’re using saline, then the catheter is usually flushed on a daily basis with pulsation when not in use. If the patient’s giving themselves antibiotics or other medications through their catheter, they need to be taught how to do the saline flush after each of the medications.” TS 17:47
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