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  • Title: Interaction between nesiritide and a heparin-coated pulmonary artery line during an infusion for decompensated heart failure.
    Author: Baroletti SA, Wahlstrom HD.
    Journal: Pharmacotherapy; 2004 Nov; 24(11):1634-7. PubMed ID: 15537565.
    Abstract:
    STUDY OBJECTIVE: Because it is known that intravenous nesiritide is not compatible with unfractionated heparin, we sought to determine the effect that heparin coating on a pulmonary artery catheter may have on the efficacy of a nesiritide infusion. METHODS: The efficacy of a nesiritide infusion given through a heparin-coated pulmonary artery line was compared with that of a nesiritide infusion administered in the same patient through a heparin-free peripheral line. RESULTS: The rate of infusion was titrated to maintain consistent hemodynamic parameters. When nesiritide was administered through a heparin-coated line, the infusion rate escalated from 0.01 microg/kg/minute to 0.07 microg/kg/minute. After the route of administration was switched to a heparin-free line, the same hemodynamic parameters were maintained. The heparin-free line made it possible to reduce the infusion rate by 57.1% over the next 24 hours to 0.03 microg/kg/minute. CONCLUSION: The interaction of nesiritide with heparin-coated pulmonary artery lines has the potential to be clinically significant. Clinicians should be educated about this potential interaction. Nesiritide should be infused only through heparin-free lines.
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