[全膝关节置换术后围手术期失血情况评估]
[Evaluation of perioperative blood loss following total knee arthroplasty].
作者信息
Luo Ji-wei, Jin Da-di, Huang Mei-xian, Liao Hua, Xu Da-chuan
机构信息
Department of Orthopedics and Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
出版信息
Nan Fang Yi Ke Da Xue Xue Bao. 2006 Nov;26(11):1606-8.
OBJECTIVE
To evaluate perioperative occult blood loss following total knee arthroplasty (TKA).
METHODS
A retrospective analysis of 40 patients undergoing TKA was conducted to calculate the mean blood loss and occult blood loss according to Gross formula.
RESULTS
The mean total blood loss was 1538 ml in these cases with occult blood loss of 791 ml. In patients with autologous blood transfusion, the mean total blood loss was 1650 ml with occult blood loss of 786 ml. In patients without autologous blood transfusion, the mean total blood loss was 1370 ml with occult loss of 798 ml.
CONCLUSION
TKA often results in large volume of occult blood loss in the perioperative period which can not be fully compensated by autologous blood transfusion, and additional blood supply is needed for maintenance of the circulating volume.
目的
评估全膝关节置换术（TKA）围手术期隐性失血情况。
方法
对40例行TKA的患者进行回顾性分析，根据Gross公式计算平均失血量和隐性失血量。
结果
这些病例的平均总失血量为1538 ml，隐性失血量为791 ml。接受自体输血的患者，平均总失血量为1650 ml，隐性失血量为786 ml。未接受自体输血的患者，平均总失血量为1370 ml，隐性失血量为798 ml。
结论
TKA在围手术期常导致大量隐性失血，自体输血不能完全补偿，需要额外供血以维持循环血量。
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