Intraosseous infusion

Intraosseous infusion

Intraosseous infusion is the process of injection directly into the marrow of the bone. The needle is injected through the bone's hard cortex and into the soft marrow interior. Often the antero-medial aspect of the tibia is used as it lies just under the skin and can easily be palpated and located. Anterior aspect of the femur and the superior iliac crest are other sites that can be used.

This route of fluid and medication administration is an alternate one to the preferred intravascular route when the latter can't be established in a timely manner especially during pediatric emergencies. When intravascular access cannot be obtained in pediatric emergencies, intraosseous access is usually the next approach. It can be maintained for 24-48 hours, after which another route of access should be obtained. Intraosseous access is used less frequently in adult cases due to greater difficulty penetrating denser adult bone. [cite web |url=http://www.nda.ox.ac.uk/wfsa/html/u12/u1210_01.htm |title=Intraosseous Infusion |accessdate=2007-08-23 |format= |work=|author=Vreede E, Bulatovic A, Rosseel P, Lassalle X]

Although intravascular access is still the preferred method for medication delivery in the prehospital area, advances in IO access (such as the F.A.S.T.1 and the EZ-IO [cite web |url=http://www.vidacare.com |title=EZ IO system] system) for adults has caused many systems to re-think their preferred secondary access route. In Massachusetts, for example, IO is now a preferred administration over ET (endotracheal) drug administration. Furthermore, the wider range of medications that can be introduced via IO has caused adult IO systems (most of which use a mechanical or powered adjunct to place the catheter) to become more common across the United States in the prehospital setting.

Effectiveness

This American Heart Association guideline cited two randomized controlled trials, one of 60 childrencite journal |author=Banerjee S, Singhi SC, Singh S, Singh M |title=The intraosseous route is a suitable alternative to intravenous route for fluid resuscitation in severely dehydrated children |journal=Indian pediatrics |volume=31 |issue=12 |pages=1511–20 |year=1994 |pmid=7875811 |doi=] and one of electively cannulated hematology/oncology patients.cite journal |author=Brickman KR, Krupp K, Rega P, Alexander J, Guinness M |title=Typing and screening of blood from intraosseous access |journal=Annals of emergency medicine |volume=21 |issue=4 |pages=414–7 |year=1992 |pmid=1554180 |doi=10.1016/S0196-0644(05)82661-7] In addition, uncontrolled studies have been performedcite journal |author=Frascone RJ, Jensen JP, Kaye K, Salzman JG |title=Consecutive field trials using two different intraosseous devices |journal=Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors |volume=11 |issue=2 |pages=164–71 |year=2007 |pmid=17454802 |doi=10.1080/10903120701205851] cite journal |author=Davidoff J, Fowler R, Gordon D, "et al" |title=Clinical evaluation of a novel intraosseous device for adults: prospective, 250-patient, multi-center trial |journal=JEMS : a journal of emergency medical services |volume=30 |issue=10 |pages=suppl 20–23 |year=2005 |pmid=16382512 |doi=] , one of which reported 72% to 87% rates of successful insertion.

References

External links

* [http://www.waismed.com B.I.G- First Automatic Intraosseous Devices by WaisMed Ltd.]
** [http://www.waismed.com/html-67.htm?cat=1 B.I.G (Bone Injection Gun) Training material: movies and presentations]
* [http://www.pyng.com Pyng Medical's F.A.S.T.1 Intraosseous Infusion System]
** [http://www.pyng.com/howtouse.htm detailed instructions]
** [http://www.pyng.com/products/technical.php Technical Documents & Bibliography] )
* [http://www.vidacare.com VidaCare intraosseous infusion products]
*


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