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Deep Vein Thrombosis: Diagnosis & Treatment Reginald E. Smith ...

Deep Vein Thrombosis: Diagnosis & Treatment Reginald E. Smith ...

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Current Limitations of Existing Drugs<br />

UFH<br />

LMWH<br />

VKAs<br />

Limitations<br />

► Parenteral<br />

► Unpredictable due to<br />

unspecific binding<br />

► Risk of HIT<br />

► Parenteral<br />

► Risk of HIT<br />

► Unpredictable<br />

► Slow onset of action<br />

► Narrow therapeutic window<br />

► Food and drug interactions<br />

Consequences<br />

► Inconvenient for<br />

long term use<br />

► Monitoring of<br />

aPTT required<br />

► Inconvenient and<br />

expensive for long term<br />

use<br />

► Monitoring of platelets<br />

► Regular monitoring and<br />

dose adjustments<br />

► Risk of adverse events<br />

(bleeding)<br />

Fondaparinux<br />

► Parenteral ► Inconvenient and<br />

expensive for long term<br />

use<br />

Lassen MR. Vasc Health Risk Manag. 2008;4(6):1373-86.

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