Journal francais d'ophtalmologie · 2024
Serum angiotensin-converting enzyme has low diagnostic value for pediatric sarcoid uveitis.
СтатьяМногоцентровое исследованиеНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Stolowy N, Aulanier A, Osswald D, Zanin E, Benso C, Attia R, Jurquet A-L, Retornaz K, Sauer A, David T
Аннотация
PURPOSE: Sarcoid uveitis is rare in the pediatric population. Early diagnosis is challenging and is crucial, due to more severe complications. Diagnosis relies on various criteria, including elevated angiotensin-converting enzyme (ACE) levels. The objective of this study was to evaluate the diagnostic value of serum ACE levels in the diagnosis of pediatric sarcoid uveitis.
METHODS: This was an observational retrospective multicenter study of chronic, severe pediatric uveitis between 2013 and 2019 in two French tertiary referral centers.
RESULTS: An ACE assay result was available for 105 patients. Nine patients were diagnosed with sarcoid uveitis. The diagnostic values were as follows: sensitivity=22.2%, specificity=87.5%, positive predictive value=14.3%, negative predictive value=92.3%, positive likelihood ratio=1.8, and negative likelihood ratio=0.9.
CONCLUSION: The diagnostic performance of ACE in pediatric sarcoid uveitis was found to be poor. NPV exceeded 90% but was based on a significant number of false negatives, indicating a high risk of misdiagnosis. Likelihood ratios confirmed the limited diagnostic value of ACE. Considering age groups and clinical manifestations may enhance precision but requires larger studies. Serum ACE used as a diagnostic marker in pediatric sarcoid uveitis warrants caution and should be interpreted alongside other factors.
METHODS: This was an observational retrospective multicenter study of chronic, severe pediatric uveitis between 2013 and 2019 in two French tertiary referral centers.
RESULTS: An ACE assay result was available for 105 patients. Nine patients were diagnosed with sarcoid uveitis. The diagnostic values were as follows: sensitivity=22.2%, specificity=87.5%, positive predictive value=14.3%, negative predictive value=92.3%, positive likelihood ratio=1.8, and negative likelihood ratio=0.9.
CONCLUSION: The diagnostic performance of ACE in pediatric sarcoid uveitis was found to be poor. NPV exceeded 90% but was based on a significant number of false negatives, indicating a high risk of misdiagnosis. Likelihood ratios confirmed the limited diagnostic value of ACE. Considering age groups and clinical manifestations may enhance precision but requires larger studies. Serum ACE used as a diagnostic marker in pediatric sarcoid uveitis warrants caution and should be interpreted alongside other factors.