• Anat Ben-Shlomo, James Mirocha, Stephanie M Gwin, Annika K Khine, Ning-Ai Liu, Renee C Sheinin, and Shlomo Melmed.
• Pituitary Center, Department of Medicine, Cedars Sinai Medical Center, Los Angeles, Calif.
• Am. J. Med. 2014 Aug 1;127(8):754-62.

BackgroundDiagnosis of adrenal-cortisol insufficiency is often misleading in hospitalized patients, as clinical and biochemical features overlap with comorbidities. We analyzed clinical determinants associated with a biochemical diagnosis of adrenal-cortisol insufficiency in non-intensive care unit (ICU) hospitalized patients.MethodsIn a retrospective cohort study we reviewed 4668 inpatients with random morning cortisol levels ≤15 μg/dL hospitalized in our center between 2003 and 2010. Using serum cortisol threshold level of 18 μg/dL 30 or 60 minutes after Cortrosyn (250 μg; Amphastar Pharmaceuticals, Inc., Rancho Cucamonga, Calif) injection to define biochemical adrenal-cortisol status, we characterized and compared insufficient (n = 108, serum cortisol ≤18 μg/dL) and sufficient (n = 394; serum cortisol >18 μg/dL) non-ICU hospitalized patients.ResultsCommonly reported clinical and routine biochemical adrenal-cortisol insufficiency features were similar between insufficient and sufficient inpatients. Biochemical adrenal-cortisol insufficiency was associated with increased frequency of liver disease, specifically hepatitis C (P = .01) and prior orthotopic liver transplantation (P <.001), human immunodeficiency virus (HIV; P = .005), and reported pre-existing male hypogonadism (P <.001), as compared with the biochemical adrenal-cortisol sufficiency group. Forty percent of insufficient inpatients were not treated with glucocorticoids after diagnosis. Multivariable logistic analysis demonstrated that inpatients with higher cortisol levels (P = .0001) and higher diastolic blood pressure (P = .05), and females (P = .009) were more likely not to be treated, while those with previous short-term glucocorticoid treatment (P = .002), other coexisting endocrine diseases (P = .005), or who received an in-hospital endocrinology consultation (P <.0001), were more likely to be replaced with glucocorticoids.ConclusionsCommonly reported adrenal-cortisol insufficiency features do not reliably identify hospitalized patients biochemically confirmed to have this disorder. Comorbidities including hepatitis C, prior orthotopic liver transplantation, HIV, and reported pre-existing male hypogonadism may help identify hospitalized non-ICU patients for more rigorous adrenal insufficiency assessment.Copyright © 2014 Elsevier Inc. All rights reserved.

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