Randomisation system
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Overview

Comparison of 7.5g/dL versus 9.0g/dL Hb thresholds for blood transfusion after cardiac surgery

Study design

Unblinded randomised controlled trial

Inclusion criteria

• Adults of either sex, aged ≥16 years undergoing cardiac surgery
• Post-operative Hb level below 9.0g/dL or HCT below 27 at any stage during patient's post-operative hospital stay (i.e. on CICU or cardiac surgical ward)‭
• Written informed consent

Exclusion criteria

• Undergoing emergency cardiac surgery
• Prevented from having blood and blood products according to a system of beliefs (e.g. Jehovah's Witnesses)
• Congenital or acquired platelet, red cell or clotting disorders
• Ongoing or recurrent sepsis
• Patients unable to give full informed consent for the study (e.g. learning or language difficulties)
• Critical limb ischaemia
• Patients already participating in another interventional research study

Further details

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