Methods | Methods of randomisation and allocation concealment were not described | |
Participants | 20 patients scheduled to undergo elective CABG surgery were randomised in double-blind fashion to one of two groups
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Interventions |
NB: Both groups were exposed to cell salvage. |
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Outcomes | Number of patients transfused allogeneic blood (n) Amount of allogeneic blood transfused (units) Blood loss (mls) Thrombosis (n) Re-operation for bleeding (n) Myocardial infarction (n) Hypotension (n) |
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Notes | Quality assessment score (Schulz criteria): 3/7 Transfusion protocol not described. |
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Risk of bias | ||
Item | Authors’ judgement | Description |
Adequate sequence generation? | Unclear | Method of randomisation was not described. |
Allocation concealment? | No | C - Inadequate. |
Blinding? All outcomes |
Yes | Double blind. |