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Cerebral tissue oxygen saturation and extraction in preterm infants before and after blood transfusion
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    Cerebral tissue oxygen extraction in preterm infants before and after blood transfusion

    Dear Sir,

    I read this paper with interest and would like to comment on some of the results and conclusions reached.

    The authors have studied changes in regional cerebral saturation (RSO2) using near infrared spectroscopy and used these to calculate fractional tissue oxygen extraction (FTOE) in babies felt to require blood transfusion and have made measurements before and after transfusion. They describ...

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    Conflict of Interest:
    None declared.