JAMA Ophthalmol:肾小管间质性肾炎葡萄膜炎综合征(TINU)的诊断新利器

2014-11-04 MedSci MedSci原创

肾小管间质性肾炎葡萄膜炎(Tubulointerstitial nephritis and uveitis, TINU syndrome)是一种新发现的累及肾和眼的综合征,时至今日有关这种疾病非侵入性检查的诊断价值尚不为人所熟知。 研究方案 为了明确尿β2-微球蛋白、尿蛋白以及血清肌酸酐在TINU中是否有特异性的诊断价值,荷兰学者开展了一项前瞻性的群组研究,这项研究共纳入了45名患有葡萄膜

肾小管间质性肾炎葡萄膜炎(Tubulointerstitial nephritis and uveitis, TINU syndrome)是一种新发现的累及肾和眼的综合征,时至今日有关这种疾病非侵入性检查的诊断价值尚不为人所熟知。

研究方案

为了明确尿β2-微球蛋白、尿蛋白以及血清肌酸酐在TINU中是否有特异性的诊断价值,荷兰学者开展了一项前瞻性的群组研究,这项研究共纳入了45名患有葡萄膜炎的青少年。研究人员分别测定了这些患者的尿β2M、尿蛋白、血清肌酸酐以及肾小球滤过率,并进行了析因分析以明确这些指标是否与TINU的确诊及疑似病例有关。

研究结果

结果显示有40%的患者尿蛋白降低,22%的患者血清肌酸酐升高,又有47%的患者出现了蛋白尿。有8名患儿被诊断为肾功能不全,表现为特发性急性肾小管间质性肾炎,其中的两名通过肾穿刺活检被明确诊断为TINU综合征。在排除了肾功能不全的其他病因以后,其余6名患有葡萄膜炎以及肾功能不全的患者符合TINU疑似病例的诊断标准。这8名TINU确诊或疑似病例比其他普通的肾功能不全患者的尿β2M水平更高 (median β2M, 1.95 mg/L; 95% CI, 1.26-5.16 mg/L vs 0.20 mg/L; 95% CI, 0.19-0.21 mg/L; P < .001; Mann-Whitney U test)。

结论

这些数据表明:在这项研究中被评估的样本中尿β2M和血清肌酸酐水平和在葡萄膜炎的年轻人身上检测的TINU类似,都是敏感且相对简单的诊断筛查工具。

原始出处:

Hettinga YM, Scheerlinck LM, Lilien MR, Rothova A, de Boer JH. The Value of Measuring Urinary β2-Microglobulin and Serum Creatinine for Detecting Tubulointerstitial Nephritis and Uveitis Syndrome in Young Patients With Uveitis.
JAMA Ophthalmol. 2014 Oct 30. doi: 10.1001/jamaophthalmol.2014.4301.

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    2014-11-06 villahu
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