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Crit Care Nurse 1990 Jun; 10(5): 47-57
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Critical Care Nurse, Vol 10, Issue 5, 47-57
Copyright © 1990 by American Association of Critical Care Nurses

Articles

The effect of two concentrations of heparin on arterial catheter patency

CS Bolgiano, PT Subramaniam, JM Montanari, and L Minick

The use of invasive lines with heparinized fluid for hemodynamic monitoring is a routine procedure in critical care areas. The main objective of this study was to compare the duration of patency of indwelling arterial catheter lines and patient coagulation values when the recommended dilution of 1.0 U heparin/mL was used versus the use of only 0.25 U heparin/mL. One hundred four intensive care unit (ICU) patients were studied. There were no significant differences between the two groups in patency or coagulation values. The results of the study demonstrated that 0.25 U heparin/mL was sufficient to maintain arterial line patency for patients with lines in place for up to 3 days.


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Benefit of heparin in peripheral venous and arterial catheters: systematic review and meta-analysis of randomised controlled trials
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