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Measurement of blood loss in clinical studies
1Department of Surgery, Danderyd Hospital, Sweden.
European Journal of Anaesthesiology. Supplement
|March 1, 1997
Direct measurement of blood loss has poor reliability and poor validity. A formula is proposed for how blood loss may be calculated from pre- and post-operative haemoglobin, taking the influence of any blood transfusions into account.
Direct measurement of blood loss has poor reliability and poor validity. A formula is proposed for how blood loss may be calculated from pre- and post-operative haemoglobin, taking the influence of any blood transfusions into account.