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  • Title: Patency of 24-gauge peripheral intermittent infusion devices: a comparison of heparin and saline flush solutions.
    Author: Mudge B, Forcier D, Slattery MJ.
    Journal: Pediatr Nurs; 1998; 24(2):142-5, 149. PubMed ID: 9697567.
    Abstract:
    The purpose of this study was to compare the effectiveness of heparin and normal saline flush solutions in maintaining the patency of 24-gauge peripheral intermittent infusion devices (PIIDs). A prospective, non-randomized, sequential, blinded study design was conducted on a pediatric and a neonatal intensive care unit. The sample consisted of 134 catheters in 61 patients. Heparin and saline flush groups were similar for age, PIID placement site, irritating substances infused, and initial IV function. The median duration of catheters flushed with heparin was 42 hours and with saline was 35.3 hours. Kaplan-Meier Survival Analysis indicated that the duration of catheters flushed with heparin was significantly longer than those flushed with saline (p = .02). More catheters flushed with saline were removed because of problems (p = .027). Results of this study suggest that heparin is more effective than saline in maintaining the patency of small, 24-gauge catheters.
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