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  • Title: Overt and Subclinical Adrenal Insufficiency in Pulmonary Tuberculosis.
    Author: Neogi S, Mukhopadhyay P, Sarkar N, Datta PK, Basu M, Ghosh S.
    Journal: Endocr Pract; 2021 Jun; 27(6):601-606. PubMed ID: 33645514.
    Abstract:
    BACKGROUND: Tuberculosis of the adrenal glands may cause overt or subclinical adrenal insufficiency. An algorithm-based approach including assessment of paired basal cortisol and plasma adrenocorticotropic hormone (ACTH), short Synacthen, and plasma renin activity assays could be useful to diagnose all forms of adrenal insufficiency. METHODS: This cross-sectional study included consecutive, treatment-naive subjects diagnosed with pulmonary tuberculosis. Tuberculosis severity was classified by radiological criteria. Baseline parameters plus morning (8 am) serum cortisol and paired plasma ACTH were measured in all patients. Synacthen stimulation tests and plasma renin activity assays were performed as required. RESULTS: Eighty-four treatment-naive consecutive cases of pulmonary tuberculosis were evaluated for adrenal insufficiency. Twenty-seven (32.14%) subjects had normal adrenocortical function and 8 (9.5%), 7 (8.3%), 40 (47.6%), and 2 (2.4%) subjects had stage 1, stage 2, stage 3, and stage 4 adrenal insufficiency, respectively. Serum cortisol was negatively correlated with radiological severity (P = .01) and duration of illness (P = .001). Adrenal dysfunction was present in 27.3%, 82.5%, and 80% of those with radiologically minimal, moderately advanced, and far-advanced disease, respectively. Mean cortisol was 19.74 ± 5.52, 17.42 ± 8.53, and 15.71 ± 7.14 (μg/dL) in the 3 groups, respectively (P = .042). Hyponatremia was present in 83.3% of the patients. Serum sodium was negatively correlated with severity but not with the duration of disease. CONCLUSION: The prevalence of overt and subclinical adrenal dysfunction in pulmonary tuberculosis was high and was correlated with disease severity and duration. An algorithmic approach may be useful to detect the same and may have important clinical implications.
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