Methods |
The patients were divided into 2 groups using random numbers
Blinding not mentioned
No loss to follow‐up |
Participants |
41 patients undergoing total hip arthroplasty during the perioperative period. Exclusion criteria: weight < 60 kg, age < 18 years, ASA grade > 3, haematocrit < 34% or > 44%, history of coagulopathies or a Quick's prothrombin test of < 75%, PTT > 45 seconds, platelet count < 100,000/mm3, impaired liver function and renal failure |
Interventions |
1) 6% HES (n = 20)
2) 5% HA (n = 21) |
Outcomes |
Haemodynamic and clotting variables |
Notes |
Follow‐up 6 hours postoperatively |
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Allocation concealment (selection bias) |
Unclear risk |
Unclear. No information given on allocation |