Lovenox IV & Acute Coronary Syndrome

Specialties Cardiac

Published

Our hospital uses "clinical guidelines" which are preprinted orders for certain things. ACS is a very common one that we see everyday. One of the orders is Lovenox 30mg IV, then 1mg/kg SQ a 12h. Sometimes this is started in ER, the lovenox IV and SQ are both given before the patient arrives to the unit. I, and many of my coworkers have always assumed this was how it was meant to be given. An IV bolus, which acts quickly but only lasts a short time, followed immediately by a SQ dose which takes 2-4 hours to reach peak effectiveness.

My problem is, I found that there are some people (a pharmacist included) who believe the itent is to give the IV dose, then start the SQ 12h later. I talked to 1 cardiologist who said he doesn't order it IV - actually it was the PA, and he didn't know WHY the Dr doesn't like IV. Even the other pharmacists were clueless.

I could not find anything helpful in the PDR, or on our hospital medication site. I asked 2 ER docs who said they don't use the ACS orders because they don't believe Lovenox should be given IV. So, do any of you have any orders for Lovenox IV followed by SQ, and how is it given in your hospital? At the same time, or delayed? Also does anybody know how long until the IV form is ineffective?

I work in the ER where we routinely give 30 mg lovenox IV then immediately 1mg/kg SQ. We started this practice because the LOvenox representative that frequently comes to our facility stated that was how the manufacturer recommends it given she also gave our Chief if Staff alot of info on this(which I can't get to right now since I'm at home) We have pamplets laying all over the ER with this info. It is recommende IV for Acute MI and acute occlusive CVA.We don't do the CVA protecol because you have to have a neurosurgeon present and we don't have one. BTW this is usually in conjuncture with TNKase.

Specializes in cardiac/critical care/ informatics.
Our hospital uses "clinical guidelines" which are preprinted orders for certain things. ACS is a very common one that we see everyday. One of the orders is Lovenox 30mg IV, then 1mg/kg SQ a 12h. Sometimes this is started in ER, the lovenox IV and SQ are both given before the patient arrives to the unit. I, and many of my coworkers have always assumed this was how it was meant to be given. An IV bolus, which acts quickly but only lasts a short time, followed immediately by a SQ dose which takes 2-4 hours to reach peak effectiveness.

My problem is, I found that there are some people (a pharmacist included) who believe the itent is to give the IV dose, then start the SQ 12h later. I talked to 1 cardiologist who said he doesn't order it IV - actually it was the PA, and he didn't know WHY the Dr doesn't like IV. Even the other pharmacists were clueless.

I could not find anything helpful in the PDR, or on our hospital medication site. I asked 2 ER docs who said they don't use the ACS orders because they don't believe Lovenox should be given IV. So, do any of you have any orders for Lovenox IV followed by SQ, and how is it given in your hospital? At the same time, or delayed? Also does anybody know how long until the IV form is ineffective?

I never heard of giving it IV, I have been in Cardiac for 13 years, learn something new everday.

the use of enoxaparin IV is considered to be off-label, and as such, is not covered under the FDA approval of the drug. It should only be used in places where patient is enrolled in a clinical trial to study the efficacy of this route of administration, where there is a specific, IRB approved protocol and with the patient's informed consent.

Off label use of any drug outside of a specific research protocol, could put you and the ordering physician at the defendant's table ALONE !

In my practice, I tend to stick with the more conventional, well studied, evidence-based approach to anti-platelet activity and anticoagulation. (GP IIb IIIa inhibition, ASA, SQ enoxaparin, unfractionated heparin,clopidigril, etc.).

But that's just me....I'm funny that way!

TM

Specializes in critical care.

I put the question on a website: http://www.globalrph.com to find out. Until recently, I didn't know that it was given IV. Our ED is using it frequently in ACS.

thanks

Gee, I didn't know you could give Lovenox IV. Thought it was SC only.

http://www.lovenox.com/professional/about/administering.do

Specializes in Emergency Nursing Advanced Practice.

The ASSENT 3 study looked at giving patients with ST segmenet Elevation MI (STEMI)TNK (weight based) with 30mg Lovenox IV followed by 1mg/kg SQ (to max of 100mg) immediately and again at 12 hours (SQ only). Then give 1mg/kg of true body weight every 12 hours until converted to plavix or ticlid or something along those lines.

Specializes in critical care.
i too give lovenox iv bolus followed by subg inj but only in the er...please email the pdf files for reference thanks!!!

Would you mind to give me the website, or e-mail me the pdf? Thanks! lvc

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Specializes in Telemetry, ICU, Resource Pool, Dialysis.
Would you mind to give me the website, or e-mail me the pdf? Thanks! lvc

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http://www.lovenox.com/professional/homeAction.do

This is from the lovenox website. If you click on "contact us" and ask them for some more information on IV use, they will send you some stuff. I have some pdf files of some studies they sent me, if you want to pm me your e-mail.

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