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The timing of tourniquet release and 'retransfusion' drains in total knee arthroplasty : a stratified randomised pilot investigation
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Dutton, T., de Souza, R. M., Parsons, Nicholas R. and Costa, Matthew L. (2012) The timing of tourniquet release and 'retransfusion' drains in total knee arthroplasty : a stratified randomised pilot investigation. The Knee, Volume 19 (Number 3). doi:10.1016/j.knee.2011.02.013
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Official URL: http://dx.doi.org/10.1016/j.knee.2011.02.013
Abstract
The timing of tourniquet release is a potential confounding factor in the use of retransfusion drains in total knee arthroplasty. A pilot randomised trial was performed using retransfusion drains to determine whether releasing the tourniquet after wound closure reduced the overall blood loss and allogenic transfusion rate. Forty eight patients undergoing total knee arthroplasty were randomly allocated to receive either a retransfusion drain or no drain. Within each group the tourniquet was released before or after wound closure at the discretion of the surgeon. The peri-operative fall in haemoglobin, allogenic blood transfusion rate and complication rate were measured. There was an overall transfusion rate of 16%. There was no difference in the peri-operative fall in haemoglobin or the allogenic transfusion rates between the No Drain and Retransfusion Drain groups for patients undergoing total knee arthroplasty. Furthermore, the timing of the tourniquet release did not alter these findings. The results of this study suggest that the timing of the tourniquet release does not impact upon the ability of retransfusion drains to reduce the peri-operative fall in haemoglobin or the requirement for allogenic blood transfusion in total knee arthroplasty.
| Item Type: | Journal Article | ||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Statistics and Epidemiology Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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| Journal or Publication Title: | The Knee | ||||||||
| Publisher: | Elsevier BV | ||||||||
| ISSN: | 0968-0160 | ||||||||
| Official Date: | June 2012 | ||||||||
| Dates: |
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| Volume: | Volume 19 | ||||||||
| Number: | Number 3 | ||||||||
| DOI: | 10.1016/j.knee.2011.02.013 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access |
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