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Ann Thorac Surg 1976;21:557-559
© 1976 The Society of Thoracic Surgeons

Articles

Direct Monitoring of Arterial Pressure in the Newborn and Infant: A Difficult Procedure Made Easy

Gordon N. Olinger, M.D., Donald G. Mulder, M.D.*

Department of Surgery (Thoracic), UCLA Medical Center, Los Angeles, CA

Accepted for publication October 12, 1975.

* Address reprint requests to Dr. Mulder, Department of Surgery (Thoracic), UCLA Medical Center, Los Angeles, CA 90024

Accurate continuous measurement of arterial blood pressure, especially during and following operation, is indispensable for optimal management of the seriously ill newborn or infant. Conventional indirect techniques (flush technique, auscultation, Doppler monitoring device) for assessing the circulatory status in this age group are not reliable, and a direct method would be preferable. Arterial cannulation in such patients has been discouraged by the technical problems related to former techniques.

During the past year, a technique for direct cannulation of small peripheral arteries has been developed and successfully employed in 25 patients under the age of 2 years. It has been easy to perform and consistently successful in even the smaller vessels (radial, dorsalis pedis, superficial temporal), has yielded high-quality blood pressure tracings, and has allowed for arterial blood gas determinations. The cannula is stable, does not compromise distal arterial perfusion, and usually functions for several days. The continuity of the artery is frequently preserved following removal of the cannula. Details of the technique are presented.






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Copyright © 1976 by The Society of Thoracic Surgeons.