• Eur. J. Intern. Med. · Aug 2020

    Serial investigation of Angiotensin-Converting Enzyme in sarcoidosis patients treated with Angiotensin-Converting Enzyme Inhibitor.

    • Miriana d'Alessandro, Laura Bergantini, Anna Perrone, Paolo Cameli, Matteo Cameli, Antje Prasse, Dario Plataroti, Piersante Sestini, and Elena Bargagli.
    • Respiratory Diseases and Lung Transplantation, Department of Medical and Surgical Sciences & Neurosciences, Siena University Hospital, Viale Bracci 1, Siena, 53100, Italy. Electronic address: dalessandro.miriana@gmail.com.
    • Eur. J. Intern. Med. 2020 Aug 1; 78: 58-62.

    BackgroundAngiotensin-converting enzyme (ACE) is an acid glycoprotein that converts angiotensin I into angiotensin II. It is produced mainly by activated alveolar macrophages and it resulted elevated in sarcoidosis patients. ACE is the only biomarker mentioned in WASOG international guidelines for the diagnosis and follow-up of sarcoidosis patients but its sensitivity and specificity are low. This study aimed to analyze serial measurements of ACE levels in sarcoidosis patients stratified according to concomitant ACE-inhibitor therapies (ACEIs).Subjects And Methods136 serum samples from sarcoidosis patients were retrospectively enrolled in the study. Serial ACE concentrations were measured once year for each patient. Population were divided according to radiogical stages and ACEIs.ResultsACE concentrations resulted higher in non-ACEIs than ACEIs group (pConclusionsThis retrospective study investigated changes in ACE levels in patients with sarcoidosis treated or not treated with ACEIs. Considering the overall low sensitivity and specificity of this biomarker, we suggest systematically investigating medical drugs prescribed for patients with sarcoidosis, in order to optimize the interpretation of ACE in clinical management.Copyright © 2020 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.

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