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Chest, Vol 92, 713-716, Copyright © 1987 by American College of Chest Physicians

ARTICLES

Pulse oximetry for tapering supplemental oxygen in hospitalized patients. Evaluation of a protocol

T King and RH Simon
Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor.

In a randomized study, we determined the clinical and financial effects of replacing arterial blood gas measurements with finger pulse oximeter readings during the process of tapering supplemental oxygen in hospitalized patients. The 16 patients in the control group, whose management followed conventional practice in our hospital, received a total of 57 arterial blood gas measurements during the 6.6 (mean) days it took for them to taper to their discharge supplemental oxygen level (usually room air). The 13 patients randomized to the oximeter study group had their arterial oxygen saturation monitored by pulse oximetry. The physicians of patients in the oximeter group were at liberty to obtain arterial blood gas determinations during the study if they desired. The oximeter study group had fewer (p less than 0.005) arterial punctures for blood gas measurements (total of 16 for the group) and fewer (p less than 0.001) days on supplemental oxygen (mean of 2.7 days per patient). We conclude that substituting noninvasive pulse oximetry for arterial blood gas measurements during reductions of supplemental oxygen shortened the days of oxygen use and decreased the number of arterial blood gas determinations in our patients. In addition to reducing the discomfort to patients, the use of oximetry was of financial benefit in that it reduced medical personnel time, blood gas analyzer use, and duration of oxygen administration.


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Pulse Oximetry
Crit. Care Nurse, June 1, 2002; 22(3): 69 - 74.
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Copyright © 1987 by the American College of Chest Physicians.