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Canadian Journal of Anesthesia, Vol 15, 197-201, Copyright © 1968 by Canadian Anesthesiologists' Society

The Spinal Needle as a Carrier of Foreign Material

VICTOR BRANDUS M.D.1

1 Anesthesiology Service, Beth Israel Medical Center, New York, N.Y.

When used in performing a spinal tap, the conventional 22-gauge spinal needle produces cores of skin or threads of epidermis in 75 per cent of cases. Most of the fresh cores are sucked into the syringe during the test aspiration of the spinal fluid, and some of them may be re-injected into the subarachnoid space with the potential hazards of septic or chemical contamination.

When the available clinical surveys are analyzed in the light of these facts, the incidence of postspinal headache appears to be related not only to the gauge of the needle but also to its capacity for coring, and this possible aetiology is presented as an alternate hypothesis.






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Copyright © 1968 by the Canadian Anesthesiologists' Society.