Diagnostic Utility of Angiotensin Converting Enzyme in Sarcoidosis: A Population-Based Study
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TLDR
A poor sensitivity and insufficient specificity of high ACE for diagnosis of sarcoidosis is demonstrated suggesting a limited role of ACE in clinical practice.Abstract:
Sarcoidosis is a disease with heterogenous clinical presentations. Diagnosis of sarcoidosis is often challenging with the lack of gold standard tests. In this study, we investigated the diagnostic utility of angiotensin-converting enzyme (ACE) for diagnosis of sarcoidosis. A cohort of Olmsted County, Minnesota residents who were diagnosed with sarcoidosis between January 1, 1984 and December 31, 2013 was identified based on individual medical record review. ACE levels recorded in the medical records of all subjects at the time of diagnosis were extracted. Comparator subjects were residents of Olmsted County, Minnesota who had ACE levels tested the same time period but did not have a diagnosis of sarcoidosis. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and the c-statistic of high versus low/normal ACE to diagnose sarcoidosis were calculated. A total of 3277 Olmsted County residents age ≥18 years had at least one ACE test in 1984–2013. The sarcoidosis incidence cohort contained 295 Olmsted County residents diagnosed with sarcoidosis in 1984–2013. Of these, ACE tests were obtained in 251. The sensitivity and specificity of high ACE for diagnosis of sarcoidosis were 41.4 % (95 % CI 35.3–47.8 %) and 89.9 % (95 % CI 88.8–91.0 %), respectively. The PPV and NPV in this population were 25.4 % (95 % CI 21.3–29.9 %) and 94.9 % (95 % CI 85.0–87.4 %). This study demonstrated a poor sensitivity and insufficient specificity of high ACE for diagnosis of sarcoidosis suggesting a limited role of ACE in clinical practice.read more
Citations
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Clinical Manifestations, Diagnosis, and Treatment of Sarcoidosis
TL;DR: The focus of this review is current knowledge about the epidemiology, clinical manifestations, diagnosis, and treatment of both pulmonary sarcoidosis and extrapulmonary sarCOidosis, with a focus on glucocorticoids.
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Clinically-useful serum biomarkers for diagnosis and prognosis of sarcoidosis
Manuel Ramos-Casals,Soledad Retamozo,Antoni Sisó-Almirall,Roberto Pérez-Alvarez,L Pallarés,Pilar Brito-Zerón +5 more
TL;DR: A review of serum biomarkers tested during the last 40 years found sIL-2R, CRP, SAA and chitotriosidase to be the best markers to confirm sarcoidosis (highest sensitivity), while ACE, gammaglobulins and lysozyme may be more useful for discarding sarcoids (highest specificity).
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Sarcoidosis: Causes, Diagnosis, Clinical Features, and Treatments.
TL;DR: The advent of advanced technologies, such as endobronchial ultrasound-guided biopsy, high-resolution computed tomography, magnetic resonance imaging, and 18F-fluorodeoxyglucose positron emission tomography has improved the ability to reliably diagnose this condition and accurately forecast its prognosis.
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Sensitivity and specificity of serum soluble interleukin-2 receptor for diagnosing sarcoidosis in a population of patients suspected of sarcoidosis
Laura Eurelings,Jelle R. Miedema,Virgil A. S. H. Dalm,Paul L A van Daele,P. Martin van Hagen,Jan A M van Laar,Willem A. Dik +6 more
TL;DR: Serum sIL-2R is a sensitive biomarker and superior to ACE in establishing the diagnosis of sarcoidosis and can be used to rule out sarcoidsosis in patients suspected of sarCOidosis.
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Prognostic Biomarkers of Sarcoidosis: A Comparative Study of Serum Chitotriosidase, ACE, Lysozyme, and KL-6
Laura Bergantini,Francesco Bianchi,Paolo Cameli,Maria Antonietta Mazzei,Annalisa Fui,Piersante Sestini,Paola Rottoli,Elena Bargagli +7 more
TL;DR: KL-6 is a reliable biomarker of fibrotic lung involvement in sarcoidosis patients and among biomarkers, KL-6 showed the best sensitivity and serum chitotriosidase the best specificity, even in patients on chronic steroid therapy, and seemed to correlate with extrapulmonary localizations.
References
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History of the Rochester Epidemiology Project
TL;DR: The Rochester Epidemiology Project is a unique medical records-linkage system that encompasses the care delivered to residents of Rochester and Olmsted County, Minnesota and is able to provide accurate incidence data for almost any serious condition and to support population-based analytic studies of disease causes and outcomes.
Journal ArticleDOI
Elevation of serum angiotension-converting-enzyme (ACE) level in sarcoidosis
TL;DR: The level of serum angiotensin-converting enzyme (ACE) was elevated in 15 of 17 patients with active sarcoidosis as mentioned in this paper, whereas levels in patients with sarcolidosis not receiving steroids were greater than 2 standard deviations above the mean for the adult control subjects.
Journal ArticleDOI
Ats/ers/wasog statement on sarcoidosis. sarcoidosis statement committee. american thoracic society. european respiratory society. world association for sarcoidosis and other granulomatous disorders
U Costabel,G W Hunninghake +1 more
Journal ArticleDOI
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Taisuke Morimoto,Arata Azuma,Shinji Abe,Jiro Usuki,Shoji Kudoh,K Sugisaki,M Oritsu,Toshihiro Nukiwa +7 more
TL;DR: The female/male incidence ratio was increased, and the frequency of eye and skin involvement and cardiac abnormality was higher than in previous surveys conducted in Japan.
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