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PR3-ANCA和MPO-ANCA相关性小血管炎临床病理比较 被引量:3

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摘要 目的:比较蛋白酶3(PR3)阳性和髓过氧化物酶(MPO)阳性的抗中性粒细胞胞浆抗体(ANCA)相关性小血管炎(AASV)的临床与病理差异。方法:80例AASV中,男43例,女37例,ELISA法测定PR3和MPO,根据PR3和MPO阳性情况。分为PR3阳性组(20例)和MPO阳性组(60例)两组,比较两组临床表现、实验室检查、肾脏病理和治疗反应。结果:在确诊前,PR3阳性组发病年龄较MPO阳性组大(P〈0.01),而病程较MPO组短(P〈0.05)。两组主要累及脏器为肾脏和呼吸道,肾脏累及分别为95%和90%。PR3阳性组累及上、下呼吸道比例明显高于MPO阳性组,分别为16/20vs32/60(P〈0.001).12/60vs18/60(P〈0.05)。在未治疗前PR3阳性组较MPO阳性组贫血和肾脏损伤重,Hb分别为(99.1±16.3)g/Lvs(109.9±20.1)g/L(P〈0.05),BUN和Scr分别为(14.3±6,5)vs(8.7±3.7)mmol/L(P〈0.001)和(348.9±287.8)vs(169.7±168.5)μmol/L(P=0.001),肾活检新月体形成、平均新月体数及新月体〉50%的百分率,PR3阳性组和MPO阳性组分别为87.5%vs48.1%,55.3±26.8vs26.8±21.2和56.3%vs14.9%,PR3阳性组均高于MPO阳性组(P〈0.01)。治疗4-6周后两组有效率(完全缓解+部分缓解)分别为80%vs87.5%,无明显差别(P〉0.05)。结论:PR3-ANCA和MPO-ANCA相关性小血管炎在临床和病理表现上有很大不同,早期诊断和治疗是改善预后的关键因素。
出处 《中国中西医结合肾病杂志》 2006年第3期157-159,共3页 Chinese Journal of Integrated Traditional and Western Nephrology
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参考文献13

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二级参考文献2

共引文献17

同被引文献14

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