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Diagnostic value of lymphopaenia and elevated serum ACE in patients with uveitis
British Journal of Ophthalmology ( IF 4.1 ) Pub Date : 2021-10-01 , DOI: 10.1136/bjophthalmol-2020-316563
Philippine Cotte 1 , Pierre Pradat 2 , Laurent Kodjikian 1 , Yvan Jamilloux 3 , Pascal Seve 4, 5
Affiliation  

Aim To evaluate the diagnostic worth of elevated serum ACE (sACE) and lymphopaenia, singly or combined, in diagnosing sarcoid uveitis. Methods Monocentric retrospective study, on a cohort of 996 adult patients referred to our department between March 2001 and December 2018 for a diagnostic work-up of uveitis. The sensitivity (SE), specificity (Sp), positive predictive value (PPV) and negative predictive value (NPV) of the two biomarkers were calculated in different contexts. Results Eight hundred and sixty-eight patient cases were reviewed. The mean age at uveitis onset was 49.4 (±18.6) years. Of them, 144 patients had a diagnosis of sarcoid uveitis. An elevated sACE had SE of 45.8%, Sp of 88.8%, PPV of 44.9% and NPV of 89.2% in diagnosing sarcoid uveitis. For lymphopaenia, SE was 15.3%, Sp was 96.7%, PPV was 47.8% and NPV was 85.2%. For the combination of elevated sACE and lymphopaenia, SE was 18.9%, Sp was 99.0%, PPV was 73.9% and NPV was 89.5%. The value of this combination varied according to patient age at diagnosis plus anatomoclinical entities: for patients aged ≤50 years, SE was 31.3%, Sp was 99.7%, PPV was 90.9% and NPV was 94.3%. For granulomatous uveitis, SE was 26.2%, Sp was 97.3%, PPV was 73.3% and NPV was 82.5%. Conclusion A combination of elevated serum ACE and lymphopaenia more convincingly suggests sarcoid uveitis than these investigational tests used alone, especially in patients with granulomatous uveitis, while a lack of these markers corresponds to a high NPV. Trial registration number NCT03863782.

中文翻译:

淋巴细胞减少和血清ACE升高对葡萄膜炎患者的诊断价值

目的 评估血清 ACE (sACE) 升高和淋巴细胞减少(单独或联合)在诊断结节性葡萄膜炎中的诊断价值。方法 单中心回顾性研究,对 2001 年 3 月至 2018 年 12 月期间转诊到我科进行葡萄膜炎诊断检查的 996 名成年患者进行队列研究。在不同的背景下计算了两种生物标志物的敏感性(SE)、特异性(Sp)、阳性预测值(PPV)和阴性预测值(NPV)。结果共回顾868例病例。葡萄膜炎发病的平均年龄为 49.4 (±18.6) 岁。其中,144 名患者被诊断为结节性葡萄膜炎。在诊断结节性葡萄膜炎时,升高的 sACE 的 SE 为 45.8%,Sp 为 88.8%,PPV 为 44.9%,NPV 为 89.2%。对于淋巴细胞减少,SE 为 15.3%,Sp 为 96.7%,PPV 为 47.8%,NPV 为 85.2%。对于升高的 sACE 和淋巴细胞减少的组合,SE 为 18.9%,Sp 为 99.0%,PPV 为 73.9%,NPV 为 89.5%。这种组合的价值因诊断时的患者年龄和解剖学实体而异:对于年龄≤50 岁的患者,SE 为 31.3%,Sp 为 99.7%,PPV 为 90.9%,NPV 为 94.3%。对于肉芽肿性葡萄膜炎,SE 为 26.2%,Sp 为 97.3%,PPV 为 73.3%,NPV 为 82.5%。结论 血清 ACE 升高和淋巴细胞减少的组合比单独使用这些研究性测试更令人信服地提示结节性葡萄膜炎,尤其是在肉芽肿性葡萄膜炎患者中,而缺乏这些标志物对应于高 NPV。试用注册号 NCT03863782。这种组合的价值因诊断时的患者年龄和解剖学实体而异:对于年龄≤50 岁的患者,SE 为 31.3%,Sp 为 99.7%,PPV 为 90.9%,NPV 为 94.3%。对于肉芽肿性葡萄膜炎,SE 为 26.2%,Sp 为 97.3%,PPV 为 73.3%,NPV 为 82.5%。结论 血清 ACE 升高和淋巴细胞减少的组合比单独使用这些研究性测试更令人信服地提示结节性葡萄膜炎,尤其是在肉芽肿性葡萄膜炎患者中,而缺乏这些标志物对应于高 NPV。试用注册号 NCT03863782。这种组合的价值因诊断时的患者年龄和解剖学实体而异:对于年龄≤50 岁的患者,SE 为 31.3%,Sp 为 99.7%,PPV 为 90.9%,NPV 为 94.3%。对于肉芽肿性葡萄膜炎,SE 为 26.2%,Sp 为 97.3%,PPV 为 73.3%,NPV 为 82.5%。结论 血清 ACE 升高和淋巴细胞减少的组合比单独使用这些研究性测试更令人信服地提示结节性葡萄膜炎,尤其是在肉芽肿性葡萄膜炎患者中,而缺乏这些标志物对应于高 NPV。试用注册号 NCT03863782。结论 血清 ACE 升高和淋巴细胞减少的组合比单独使用这些研究性测试更令人信服地提示结节性葡萄膜炎,尤其是在肉芽肿性葡萄膜炎患者中,而缺乏这些标志物对应于高 NPV。试用注册号 NCT03863782。结论 血清 ACE 升高和淋巴细胞减少的组合比单独使用这些研究性测试更令人信服地提示结节性葡萄膜炎,尤其是在肉芽肿性葡萄膜炎患者中,而缺乏这些标志物对应于高 NPV。试用注册号 NCT03863782。
更新日期:2021-09-23
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