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慢性肾盂肾炎应该做哪些检查?

2019-03-27 阅读量:1663次
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慢性肾盂肾炎的化验检查项目如下: **一、实验室检查** 1. 尿常规:可有间断性脓尿或血尿,急性发作时与急性肾盂肾炎的表现类似。 2. 尿细胞计数:近年多应用1h尿细胞计数法,其评判标准:白细胞>30万/h为阳性,<20万/h为阴性,20万~30万/h需结合临床判断。 3. 尿细菌学检查:可间歇出现真性细菌尿,急性发作时,与急性肾盂肾炎类似,尿培养可为阳性。 4. 血常规:红细胞计数和血红蛋白可轻度降低,急性发作时白细胞计数和中性粒细胞比例可增高。 5. 肾功能检查:可能出现持续肾功能损害:①肾浓缩功能减退,如夜尿量增多,晨尿渗透压降低;②酸化功能减退,如晨尿pH增高,尿HCO3-增多,尿NH4+减少等;③肾小球滤过功能减退,如内生肌酐清除率降低,血尿素氮、肌酐增高等。 **二、影像学检查** 1. X线检查:KUB平片可显示一侧或双侧肾脏较正常为小,IVU可见两肾大小不等,外形凹凸不平,肾盏、肾盂可变形,有扩张、积水现象,肾实质变薄,有局灶的、粗糙的皮质瘢痕,伴有邻近肾小盏变钝或呈鼓槌状变形,有时显影较差,输尿管扩张。膀胱排尿性造影部分患者有膀胱输尿管反流。此外还可发现有尿流不畅、尿路梗阻如结石、肿瘤或先天性畸形等易感因素。 2. 放射性核素扫描:可评估患者肾功能,显示患肾较小,动态扫描还可查出膀胱输尿管反流。 3. 膀胱镜检查:可能发现在患侧输尿管口有炎症改变,输尿管插管受阻,静脉注射靛胭脂可辅助评估患肾功能。 4. 肾活检:光镜检查可见肾小管萎缩及瘢痕形成,间质可有淋巴细胞、单核细胞浸润,急性发作时可有中性粒细胞浸润,肾小球可正常或轻度小球周围纤维化,如有长期高血压,则可见肾小球毛细血管壁硬化,肾小球囊内胶原沉着。
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2019-03-27

肾盂肾炎会给患者带来什么样的影响呢

2019-03-27

老年慢性肾盂肾炎应该做哪些检查?

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