validity of spo2/fio2 ratio in detection of acute lung injury and acute respiratory distress syndrome
نویسندگان
چکیده
introduction: one ofdiagnostic criteria for acute lung injury and acute respiratory distress syndrome is pao2/fio2 (pf) ratio 300 for ali or 200 for ards. this criteria requires invasive arterial sampling. measurement of spo2/fio2 (sf) ratio by pulseoximetry may be a reliable non invasive alternative to the pf ratio. methods and materials: in a cross sectional study we enrolled 105 sample of patients with ali or ards, to determine the spo2/fio2 (sf). pao2 wasmeasured through arterial blood sampling and spo2 measured with pulse oximetry and documented within 5 minutes of each other. results the relationship between sf and pf ratio was described by the following equation: sf=57+0/61pf (p<0/001). spo2/fio2 (sf) ratios of 181 and 235 can be substituted pao2/fio2 (pf) ratio of 200 and 300 in ards and ali respectively. the ali sf cutoff of 235 had 57% sensitivity and 100% specificity, and ards, sf cutoff of 181 had 71% sensitivity and 82% specificity. conclusion spo2/fio2 (sf) ratio is a reliable noninvasive marker to determine children with ali or ards and can be used instead of it.
منابع مشابه
Validity of Spo2/Fio2 Ratio in Detection of Acute Lung Injury and Acute Respiratory Distress Syndrome
Introduction: One ofdiagnostic criteria for Acute Lung Injury and Acute Respiratory Distress Syndrome is pao2/fio2 (PF) ratio 300 for ALI or 200 for ARDS. This criteria requires invasive arterial sampling. Measurement of Spo2/Fio2 (SF) ratio by pulseoximetry may be a reliable non invasive alternative to the PF ratio. Methods and Materials: In a cross sectional study we enrolled 105 sample o...
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عنوان ژورنال:
international journal of pediatricsجلد ۳، شماره ۱.۲، صفحات ۴۲۹-۴۳۴
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