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I think people also do not allow enough time for the lido to take effect properly. It does take at least a minute for full effect.
Heather Nichols RN BSN CRNI
Infusion Services University of Louisville Trauma Institute 530 S. Jackson St. Lou. Ky. 40202 (502)562-3530 >>> "Nancy Moureau" <[EMAIL PROTECTED]> 8/12/2006 2:44 PM >>> One thing that is consistently different from RN bedside placement to IR placement of PICCs is the volume of lidocaine used. Those with IR experience use an average of 1cc sometimes up to 2cc going deep and infiltrating back to the surface. This level of anesthetic action cuts down on the small nerve branch issues and make smooth sailing for the insertion and the patient controlling the pain well. My conclusion, we need to start using more lidocaine and stop being weenies with the lidocaine and give an adequate amount. I hear what you are saying, Gwen, with the different types of patients, those more sensitive near and around the vein, but maybe we could help them have a bit more lidocaine and a much better experience. Maybe all they need is adequate anesthetic...
Nancy Moureau, BSN, CRNI
PICC Excellence, Inc.
888-714-1951
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Gwen Irwin Sent: Friday, August 11, 2006 9:25 PM To: [EMAIL PROTECTED] Subject: Do you notice the patient's reaction to vein entry? This may seem to be a weird topic, but with our years of ultrasound insertion of PICCs, we have noticed that some patients really react to vein entry BEFORE we are close to entering the vein, while observing on ultrasound the location of the needle in relation to the vein wall. When we proceed past that point, we are in the vein with excellent blood return and proceed to successful PICC insertion. Local anesthesia works only on the skin entry and doesn't prevent this reaction to vein entry. They also react differently to vein entry of the dilator/sheath introducer.
This population of patients are also the ones that complain of the most pain with IV insertions. Most staff nurses give up before entering the vein with an IV catheter, when the patient complains of this pain. If we are called to do a PIV, we don't give up at that point, but believe that we are right on top of the vein and continue past the patient's complaint to vein entry. We have a successful PIV.
This is so hard to measure for a study, but our observations have led us to believe that the innervation of the exterior of the vein is different for some people. We don't seem to see a large percentage of our patients that have this type of reaction, but it is noticeable, when it occurs. Some of these people call themselves "weenies" for IV starts. Based on the years of our observations, we don't believe that they are weenies, but that they have different innervation that actually gives them a pain signal before vein entry. We have been known to tell them that they have bad luck with their veins, since they feel the stick into the vein before it actually occurs. These also can be the patients that have more vasoconstriction observed on ultrasound, during PICC attempts. We have waited for as long as 10 minutes to observe the vein stop its vasospasm, and see the dilation that we initially saw
on our original assessment.
I am wondering if anyone else is noticing this phenomenon. I am really thinking it would be useful information to share, but don't know how to study or report this subjective observation.
I would love to hear from you, if you think we are crazy or if we are noticing something that has not previously reported or discussed. We have seen it so many times that we don't think we are crazy. Your responses are always appreciated.
Gwen Irwin
Austin, Texas
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BEGIN:VCARD VERSION:2.1 X-GWTYPE:USER FN:Nichols, Heather TEL;WORK:562-3530 ORG:;IV specialist EMAIL;WORK;PREF;NGW:[EMAIL PROTECTED] N:Nichols;Heather TITLE:RN END:VCARD
