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膜性肾病该怎么进行诊断

2019-03-29 阅读量:2392次
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膜性肾病在早期可能无症状或症状不明显,因此许多患者难以通过主观感受察觉疾病的存在,通常需要通过一系列规范的检查才能明确诊断。那么膜性肾病有哪些检查方法呢?以下方法有助于诊断膜性肾病。

膜性肾病可分为原发性和继发性等类型,相关检查方法基本一致。原发性膜性肾病的实验室检查可发现蛋白尿、低白蛋白血症、高脂血症和脂尿。通常血清C3、C4及其他补体成分水平正常,且无循环免疫复合物。在膜性肾病活动期,尿中C5b-9颗粒可明显升高。为排除继发性病因,需要进行乙肝病毒、丙肝病毒、梅毒、狼疮性肾炎及其他结缔组织病和肿瘤指标等免疫学检测。

通过对患者尿液的检查,可发现相关指标异常。几乎所有病例均存在蛋白尿,超过80%的病例尿蛋白≥3.5g/24h,部分患者可达≥20g/24h。通常为非选择性蛋白尿,但约20%的病例可呈选择性蛋白尿。尿中C5b-9、C3增多,提示膜性肾病处于活动期。严重蛋白尿时,尿中C5b-9亦可增加。通常可有镜下血尿,但肉眼血尿较为少见。严重肾病变的患者,可见明显低蛋白血症,其他如IgG也可降低;血脂升高,表现为低密度和极低密度脂蛋白均升高,但随着尿蛋白的减少,高脂血症可逐渐恢复。

以上介绍了膜性肾病的一些检查方式。因此,如果出现水肿等症状,建议及时就医并进行相关检查。膜性肾病的诊断可结合蛋白尿、脂尿等检查项目进行综合评估。

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2019-04-23

膜性肾病的分期

2019-03-29

护理膜性肾病的方法有哪些

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