• Ann Emerg Med · Dec 1985

    Comparative Study

    Comparison of intraosseous, central, and peripheral routes of sodium bicarbonate administration during CPR in pigs.

    • W H Spivey, C M Lathers, D R Malone, H D Unger, S Bhat, R N McNamara, J Schoffstall, and N Tumer.
    • Ann Emerg Med. 1985 Dec 1;14(12):1135-40.

    AbstractObtaining venous access continues to be one of the most difficult problems faced by a physician caring for the pediatric patient in cardiac arrest. Our study examined the use of the intraosseous route (through the bone) to obtain venous access for sodium bicarbonate administration in a cardiac arrest model. Ventricular fibrillation was induced in 23 domestic swine. Cardiopulmonary resuscitation was performed for five minutes and sodium bicarbonate (1 mEq/kg) was administered through a peripheral IV line (n = 6), a central IV line (n = 5), or intraosseously (n = 6). Controls (n = 6) did not receive bicarbonate. Blood pH was sampled every two minutes for 30 minutes from the right ventricle, left ventricle, and femoral artery. An analysis of variance revealed that the central and intraosseous routes were significantly different (P less than .05) from the peripheral group, and that all three groups were significantly different (P less than .05) from the control. Pathology studies revealed only minor damage to bone when sodium bicarbonate was administered intraosseously. These data demonstrate that the intraosseous route is a rapid and effective alternative for venous access in a cardiac arrest model.

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