Angiomax: Use and Dosing Regimen




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Editor’s Note:

The use of alternatives to heparin in terms of managing anicoagulation doesn’t come up often.  So many of us get a bit rusty when it comes to using exotic agents such as Ancrod (Hirudin), Angiomax and similar agents.

So here is a brief refresher, and as always- a disclaimer here:  Use this information with due prejudice, and verify through your own research and due diligence prior to implementing.

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Angiomax Perfusion Considerations

  • Reconstitute Angiomax in OR- 250 mg in powder with 5 cc NSS=  50 mg per ml.
  • No heparin coated surfaces (circuit, CDI, Swann Ganz- etc)
  • Angiomax ½ life = 25 minutes
  • Will precipitate if blood is allowed to pool
  • Observed clot in the pericardium (after Angiomax is bolused)  is Normal- remove with cell saver suction- Not pump suckers!
  • Angiomax is excreted via kidneys- Diurese postoperatively to get ACT back to baseline.
  • Vancomycin may inhibit function of Angiomax.  Uses dedicated infusion pump to avoid contact with vancomycin.



  • Target ACT is 500 seconds
  • 1 mg per kg for initial dose (off pump)
  • Maintenance Dose:  1.75 mg/kg/hr (increase in 0.15 to 0.45 mg/kg/hr  increments)


Perfusion Circuit:

Prime: Normal  Add 50 mg Angiomax

Cardioplegia-  Prefer Crystalloid only (if using blood- always recirculate Cardioplegia to Avoid Stasis!

Arterial Venous Bridge at field to recirculate after CPB

Remove CDI (Heparin issue)

Use Hemoconcentrator Only when rewarming- remove 300 cc and test act.

Continue with that algorithm- not allowing ACT to fall below 300 on CPB.


Other Considerations

Cooling Potentiates Action of Angiomax- and Warming accelerates excretion.

Rewarming and maintaining core temp at 37 Celsius is key- for Angiomax reversal!

Put 50 mg Angiomax in Pump after coming off bypass.

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Cowboy Pic for Locums

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Professional Details

  • Experience in all aspects of perfusion
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Stanley Cup

“The Stanley Cup! ___ __Click image to enlarge-Space 1

Photographer:  Unknown


EditingBy ‘Surfers:

Narrative:  I saw this picture on FB but forgot to note the photographer (plz contact me so I can credit you):  Anyway- For some reason, it just reminded me of the Stanley Cup Hockey trophy- so that’s where the name comes from.

Time & Place 2015 FaceBook

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