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Korean J Crit Care Med > Volume 15(1); 2000 > Article
Korean Journal of Critical Care Medicine 2000;15(1): 31-34.
중등도의 폐기능 저하가 있는 환자에서 맥박 산소 계측기를 이용한 산소 포화도 측정시 협부와 수지에서 정확도 비교
정미영, 채준석, 김창재, 이병호, 주승호
가톨릭대학교 의과대학 마취과학교실
The Comparison of Buccal SpO2 and Finger SpO2 Accuracy in Patients with Moderate Defect in Pulmonary Function Test
Mee Young Chung, Jun Seuk Chea, Chang Jae Kim, Byung Ho Lee, Seung Ho Joo
Department of Anesthesiology, College of Medicine, The Catholic University of Korea, Seoul, Korea.
ABSTRACT
BACKGROUND: The reliability of pulse oxymetry probes when applied to the finger or toes may be compromised in certain patients. Other sites less subject to mechanical interference or a pathophysiologic decrease in pulse amplitude have been sought. In the patients with moderate defect (N=20) in pulmonary function test, we examined the accuracy of buccal and digital SpO2 (oxygen saturation of pulse oxymetry) monitoring. METHODS: SpO2 probe was placed firmly in the corner of the patient's mouth. Buccal and finger SpO2 and radial SaO2 (arterial oxygen saturation) were measured before the induction of anesthesia. The agreement between SaO2 and each SpO2 were calculated with the method outlined by Bland and Altman. RESULTS: Buccal SpO2 was higher than finger SpO2, but finger SpO2 agreed more closely with SaO2 (buccal; 97.9+/-1.89, finger; 94.5+/-2.48, radial; 93.73+/-2.73%). CONCLUSIONS: We conclude that buccal SpO2 monitoring may offer alternative when other sites aren't available. But, we suggest that buccal SpO2 should be further evaluated for the accuracy.
Key Words: Monitoring; pulse oxymetry
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