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应用抗猪囊虫抗原的单克隆抗体反向间接血凝试验（ＩＨＡＴ），对临床确诊的囊虫病患者进行了血清循环抗原（ＣＡｇ）的检测，阳性率为５１．１４％（６７／１３１）。对１９例脑型囊虫病患者同时测定了血清和脑脊液中的ＣＡｇ，阳性率分别为４７．３６％和７８．９４％，总阳性率为８４．２１％。对治疗０．５３后的１９例患者检测时，血清和脑脊液中ＣＡｇ均呈阴性反应，而检测抗体仍呈阳性反应。５０例正常人、４９例其它寄生虫病及５例其它脑部疾病患者脑脊液的ＣＡｇ均呈阴性反应。结果提示：测定ＣＡｇ对囊虫病活动性感染的诊断及疗效判定均具有一定的实用价值。
The monoclonal antibody reverse indirect hemagglutination test (IHAT) of anti-swine cysticercosis antigen was used to detect serum circulating antigen (CAg) in patients with clinically confirmed cysticercosis. The positive rate was 51.14% (67/131 ). Serum and cerebrospinal fluid levels of CAg were measured simultaneously in 19 patients with cerebral cysticercosis. The positive rates were 47.36% and 78.94% respectively, with a total positive rate of 84.21%. The detection of 19 patients after treatment of 0.53, serum and cerebrospinal fluid CAg were negative, and the test antibody was still positive. The plasma levels of CAg in 50 normal subjects, 49 other parasitic diseases and 5 patients with other brain diseases were all negative. The results suggest that the determination of CAg in the diagnosis and treatment of active infection of cysticercosis have a certain practical value.