Tartter P I, Barron D M
Transfusion. 1985 Mar-Apr;25(2):113-5. doi: 10.1046/j.1537-2995.1985.25285169199.x.
In this 3-year study, we analyzed the transfusion pattern of 288 patients undergoing potentially curative resection of colorectal cancer to determine the magnitude and causes of unnecessary blood transfusions. Transfusions were considered unnecessary if the preoperative hematocrit exceeded 36 percent or the discharge hematocrit exceeded 33 percent. Twenty-five percent of the units of blood administered were unnecessary by these criteria. Excessive intraoperative transfusion (67 patients) and the practice of administering blood in pairs of units (33 patients) without reevaluating the hematocrit between successive units accounted for 90 percent of unnecessary transfusions. This study indicated that determination of the hematocrit immediately before administration of each unit of blood will reduce blood consumption of elective colon resections by 25 percent.
在这项为期3年的研究中，我们分析了288例接受结直肠癌潜在根治性切除术患者的输血模式，以确定不必要输血的程度和原因。如果术前血细胞比容超过36%或出院时血细胞比容超过33%，则认为输血是不必要的。根据这些标准，所输注血液单位的25%是不必要的。术中过度输血（67例患者）以及连续输注单位血液时不重新评估血细胞比容而成对输注血液的做法（33例患者）占不必要输血的90%。这项研究表明，在输注每单位血液之前立即测定血细胞比容，将使择期结肠切除术的血液消耗量减少25%。
