Methods | Methods of randomisation and allocation concealment were not described | |
Participants | 70 patients undergoing elective coronary artery bypass graft (CABG) surgery were randomised to one of three groups
NB: Data for gender was not reported. Two patients were excluded prior to randomisation for haemodynamic instability and three patients were excluded after randomisation for mediastinal exploration secondary to surgical bleeding |
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Interventions |
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Outcomes | Number of patients transfused allogeneic blood (n) Amount of allogeneic blood transfused (ml) Number of patients transfused fresh frozen plasma (n) Number of patients transfused platelets (n) Blood loss (ml) Myocardial infarction (n) Deep venous thrombosis (n) Stroke (n) |
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Notes | Quality assessment score (Schulz criteria): 3/7 Transfusion protocol used. |
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Risk of bias | ||
Item | Authors’ judgement | Description |
Adequate sequence generation? | Unclear | Method of randomisation was not described. |
Allocation concealment? | Unclear | B - Unclear |
Blinding? All outcomes |
Yes | Double blind. |