• M Helm, L Lampl, B Hossfeld, and T Schlechtriemen.
• Abteilung für Anästhesiologie & Intensivmedizin, Sektion Notfallmedizin, Bundeswehrkrankenhaus Ulm, Deutschland. matthias.helm@extern.uni-ulm.de
• Anaesthesist. 2011 Dec 1;60(12):1119-25.

BackgroundIntraosseous infusion has become established as a fast and safe alternative to conventional vascular access in emergency situations. Originally the use of intraosseous access was limited to children up to 6 years of age and to adults for cardiopulmonary resuscitation but this limitation has now been removed. The aim of this study was to obtain data on mission reality regarding the use of intraosseous access in the prehospital setting against the background of the expanded recommendations on the use of the intraosseous infusion.MethodsAn analysis of rescue missions by all rescue helicopters of the ADAC (German Automobile Club) Air Rescue as well as the German Air Rescue Service (58 helicopter emergency medical service bases) over a 4 year period from January 2005 to December 2008 was carried out.ResultsA total of 247,454 rescue missions were carried out during the study period and in 525 patients (0.2% of the total study collective) an intraosseous access was established. There was a significant increase in the intraosseous infusion rate from 0.1% to 0.4% (p<0.05). Furthermore, there was a significant increase in its use in elderly patients and in patients with lower National Advisory Committee for Aeronautics (NACA) scores (2005 vs. 2008): 92.4% vs. 42.9% of all intraosseous infusions in patients  ≤ 6 years of age (p<0.05) and 74.4% vs. 42.9% of all intraosseous infusions in patients with NACA score VI/VII (p<0.05). The proportion of trauma patients in the total study collective was 33% and there was no significant change in the frequency of trauma cases over the study period but there was a remarkable increase of intraosseous infusions in trauma patients in the last year of the study period compared to the previous years (38% in 2008 vs. 27-30% in 2005-2007). Furthermore, there was an increase in the number of different drug groups used for intraosseous infusion over the study period.ConclusionsThe expanded indication recommendations for the use of intraosseous infusion in the prehospital setting enter more and more mission reality in air rescue services in Germany.

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