谷氨酰转肽酶测定联合超声诊断先天性胆道闭锁

被引:23
作者
卫园园 [1 ]
陈扬 [1 ]
高婷 [1 ]
丁美云 [2 ]
詹江华 [2 ]
机构
[1] 天津医科大学研究生院
[2] 天津市儿童医院普通外科
关键词
黄疸,梗阻性; 超声检查; 胆道闭锁;
D O I
暂无
中图分类号
R725.7 [小儿消化系及腹部疾病];
学科分类号
100201 [内科学];
摘要
目的探讨谷氨酰转肽酶联合超声对胆道闭锁(biliary atresia,BA)的诊断价值。方法回顾性分析梗阻性黄疸患儿69例,其中BA组55例,非BA组(Non-BA)14例。诊断均经术中造影证实。收集两组患者术前实验室检查和超声检查各指标,比较其灵敏度(sensitivity,Se),特异度(specificity,Sp),阳性预测值(positive predictive value,+PV),阴性预测值(negative predictive value,-PV)及准确度(accuracy)。结果 BA组GGT高于Non-BA组(t=-4.164,P<0.05)。以GGT>306 U/L诊断BA时Se、Sp、+PV、-PV及准确度分别为69.1%、92.9%、97.4%、43.3%及73.9%。BA组和Non-BA组超声检查中胆囊异常情况比较差异有统计学意义(X2=9.995,P<0.05),其诊断BA的准确度为78.3%,其诊断BA的Se、Sp、PV、-PV、准确度分别为83.6%、57.1%、88.5%、47.1%、78.3%。GGT和胆囊异常两者联合诊断BA的Se、Sp、+PV、-PV为92.7%、92.9%、98.1%、76.5%,准确度为92.8%。结论对于梗阻性黄疸的患儿,当GGT>306 U/L,腹部超声提示胆囊异常者,应尽早行术中造影以明确是否存在胆道闭锁。
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