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Crit Care Med. 1989 Mar;17(3):251-4.

Comparison of external jugular and peripheral venous administration of sodium bicarbonate in puppies.

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Department of Pediatrics, Harvard Medical School, Boston, MA.


We compared the administration of sodium bicarbonate via a catheter inserted in the external jugular and extending to the junction with the subclavian vein (group 1) and a peripheral hindpaw vein (group 2) in puppies. During spontaneous cardiac activity, the increases in pH (0.12 +/- 0.04 in group 1 vs. 0.08 +/- 0.04 in group 2) and PCO2 (11 +/- 2.8 torr in group 1 vs. 6 +/- 3.2 torr in group 2) in blood from the right atrium 10 sec after the injection of bicarbonate differed significantly. However, the increases in pH (0.31 +/- 0.07 in group 1 vs. 0.30 +/- 0.15 in group 2) and PCO2 (86 +/- 33 torr in group 1 vs. 72 +/- 35 torr in group 2) in blood from the right atrium during closed chest CPR were similar in the two groups. We found that the sodium bicarbonate reached the central circulation more rapidly when administered in the external jugular vein as compared to a peripheral site, but this difference was small and did not reach the level of significance during CPR. Our findings do not provide evidence of any advantage to obtaining central venous access (a potentially complicated procedure) in children with cardiac arrest in regard to the delivery of medications to the heart.

[Indexed for MEDLINE]

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