PMID: 8948246Oct 1, 1996Paper

Survival of autotransfused red cells. 51Cr studies in 10 knee arthroplasty patients

Acta Orthopaedica Scandinavica
H GrønborgK Rechnagel

Abstract

We determined the long-term survival of red blood cells collected postoperatively from the surgical drains, filtered and autotransfused with the Constavac Blood Conservation System. 10 patients with knee arthrosis were treated with cementless total knee arthroplasty and postoperatively connected to the autotransfusion system. Shed blood was collected for 6 hours postoperatively and then reinfused. Before reinfusion, a fraction of the blood shed was radiolabeled with chromium-51 (51Cr). For a postoperative minimum period of 40 days the activity of 51Cr was measured in frequent venous blood samples. The time from 100% to 50% activity of the isotope (T50Cr) was 21 days, equal to that reported for banked autologous blood.

References

Aug 1, 1992·Acta Orthopaedica Scandinavica·P W KristensenH C Thyregod
Jun 1, 1992·The Journal of Arthroplasty·J W MartinM E Reedy
Jan 1, 1985·Vox Sanguinis·F G Ebaugh, J F Ross

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Citations

Jun 9, 2006·International Orthopaedics·N TellisiK A H Wahab
Feb 11, 2004·American Journal of Surgery·Nikolaos KourtzisGeorgios Kasimatis
Apr 22, 2006·The Journal of Arthroplasty·Ulf HelwigHerbert Ziervogel
Jan 17, 2002·The Journal of Bone and Joint Surgery. American Volume·Clifford W ColwellBeverly A Morris
Jan 26, 1999·Clinical Orthopaedics and Related Research·T P Sculco

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