Randomized Controlled Trial of Peripheral Fractional Oxygen Extraction (PFOE) To Guide Blood Transfusions in Stable Preterm Babies

Abstract 1164 Poster Session IV, Tuesday, 5/4 (poster 227)

Background Hemoglobin concentration is a poor indicator of the adequacy of tissue oxygenation. Fractional oxygen extraction (FOE) represents the balance between oxygen delivery and consumption. FOE can be determined if the arterial (SaO2) and venous (SvO2) oxygen saturation are known: FOE = (SaO2-SvO2)/SaO2. SaO2 was measured by pulse oximetry; SvO2 was measured by near infrared spectroscopy with venous occlusion (Ped Res 1996; 39:1103-6).

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