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KMID : 0356919940270040396
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Korean Journal of Anesthesiology
1994 Volume.27 No. 4 p.396 ~ p.401
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Postoperative Autotransfusion Using a Blood Drainage and Transfusion Device, ConstaVac, in Patients with Total Knee Replacement
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신양식
홍정연/이기영/김희정/한창동
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Abstract
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ConstaVac(r) (Stryker, Michigan, U.S.A) a blood drainage and transfusion device, was applied to transfuse the autologous blood from the woud in 20 patients undergoing total knee replacement under the spinal anesthesia. To evaluate the hemodynamic
states, direct arterial blood pressures and central venous pressures were monitored. Before touniquets release, 500-1000 ml of 10% pentastarch were infused rapidly to prevent hypovolemia until the draining reservior bag was filled to at least 400
ml.
During all the procedures the mean arterial pressures were maintained at about 80 mmHg, even if those after te induction of anesthesia were lower than those at the preanesthetic period. The average amounts of blood loss were 942 ml and 2240 ml in
unilateral and simultaneous bilateral surgery, respectively.
The average amounts of blood that were salvaged after unilateral and simultaneous bilateral knee arthroplasty were 1113 and 2918 ml, respectively. Until 7 postoperative days, thrombocytopenia and anemia were developed in one and three cases,
respectively.
We concluded that the use of the ConstaVac in the immediate postoperative period is a useful and practical method of autologous transfusion and conervation of a previous resource, and we recommend its use especially in simultaneous bilateral knee
arthroplasty
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