Big risk of cannulating the artery instead, the vessels being so small and difficult to distinguish from each other.?
What? Really? That sounds like a really poor excuse. Go to OB and ask to see the vein and arteries in a cut cord, Helen Keller could figure out where to put the catheter.
I have never even seen an mbilical artery large enough to put the prepackaged catheter in.
Infact, if you get the mother's permission to keep the cord (which isn't too hard because it is usually discarded anyway), you can actually practice on real veins in real cords.
Venny - you've done a few have you?
Indeed, in the hospital, not in the field. The biggest drawback I found was not putting it in too far in all the excitement and not wanting it to come out. It is definately one of those skills I felt better being coached through before doing it on my own.
The NP that taught me how to do it described it like trying to put a wet noodle into a hole in a piece of jello. I didn't find it that difficult.