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J Korean Soc Emerg Med > Volume 23(6); 2012 > Article
Journal of The Korean Society of Emergency Medicine 2012;23(6): 811-818.
Prediction of Systemic Complications from Caustics Ingestion Through Arterial Blood Gas Analysis
Ji Eun Choi, Yeon Young Kyong, Young Min Oh, Se Min Choi, Kyoung Ho Choi, Joo Suk Oh
Department of Emergency Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea. erkeeper@catholic.ac.kr
The aim of this study was to analyze the risk factors of systemic complications by caustic substances according to arterial blood gas analysis (ABGA).
The medical records of patients who visited our emergency department for caustic ingestion from January 2000 to December 2011 were reviewed. There were 129 patients included in this study, with a mean age of 45.4 years, and 46.9% of the patients were men. We performed a univariate analysis of factors associated with systemic complication and a logistic regression analysis of these predictive factors.
The most frequent caustic ingested was base (53.8%). Systemic complications were found in 29 patients (22.5%) and advanced age, a low partial pressure of oxygen (PaO2), low bicarbonate ion (HCO3-), low oxygen saturation (SaO2), high anion gap (AG), acid ingestion, and severe acidosis were associated with systemic complications. Low SaO2, high AG, and severe acidosis were independent predictive factors of systemic complications. ED: HIGHLIGHT: Please spell out HCO3.
Parameters of ABGA such as SaO2, AG, and pH predict the development of systemic complications by caustic ingestion. Therefore, these data have a role in the prognosis and treatment of caustic ingestion.
Key words: Caustics, Blood gas analysis, Risk factors, Complications
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