Korean J Gastrointest Endosc > Volume 16(1); 1996 > Article
Korean Journal of Gastrointestinal Endoscopy 1996;16(1): 25-29.
원저 : 식도 위장관 ; 상부 소화관 내시경에 있어서 산소 비포화도에 대한 고찰 ( Original Articles : Esophagus , Stomach & Intestine ; Arterial Oxygen Desaturation during Non-sedated Diagnostic Gastrointestinal Endoscopy )
이선영 (Sun Young Yi)
Abstract
We studied arterial oxygen desaturation, using a pulse oximeter, in 132 patients undergoing diagnostic upper gastrointestinal endoscopy to obtain predictive factors of the change. The baseline arterial oxygen saturation (SaO2) level was 98.8+- 1.2%. During the procedure, oxygen desaturation (SaO2>95%) was found in 90.2% of the patients, Mild oxygen desaturation (95>SaO2>90%) was found in 9.8% of the patients, and there was no severe oxygen desaturation(SaO2<90%). Age(P=0.52), gender(P =0.48), smoking(P =0.71), body mass index(P =0.32), and endoscopy time(P = 0.68) was not related to the degree of oxygen desaturation. These results suggest that oxygen desaturation, which may rarely induce serious cardiopulmonary events, is not frequently observed during non-sedated diagnostic upper endoscopy. (Kor J Gastrointest Endosc 16: 25-29, 1096)
Key Words: Upper gastrointestinal endoscopy , Arterial oxygen desaturation
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