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采用放射免疫法测定了34例心脏瓣膜置换术病人体外循环前后血清地戈辛浓度。体外循环前浓度为1.379±0.760ng/ml,体外循环结束时为0.812±0.529ng/ml,平均降低了0.634±
Radioimmunoassay was used to determine the plasma concentration of geoxacin in 34 patients undergoing cardiac valve replacement before and after cardiopulmonary bypass. The pre-CPP concentration was 1.379 ± 0.760 ng / ml and the CPB was 0.812 ± 0.529 ng / ml with an average reduction of 0.634 ±