Why is heparin dosed in units

In surgical procedures involving heparinization followed by neutralization, however, there can be problems. These problems are not due to variations in heparin activity, but. Prus RM. Heparins and Heparin Units. Coronavirus Resource Center. Our website uses cookies to enhance your experience. By continuing to use our site, or clicking "Continue," you are agreeing to our Cookie Policy Continue.

Twitter Facebook. This Issue. April 29, Richard M. Prus, RPh. Access through your institution. Add or change institution. Save Preferences. Privacy Policy Terms of Use. Activated partial thromboplastin time APTT values were monitored every 6 hours, and heparin dose adjustments were determined by the nomograms.

Measurements: Activated partial thromboplastin times were measured using a widely generalizable laboratory method. Bleeding complications and recurrent thromboembolism were also compared. Only one major bleeding complication occurred in a standard care patient.

Recurrent thromboembolism was more frequent in the standard care group; relative risk, 5.