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Hypocortisolism in survivors of severe acute respiratory syndrome (SARS)
Authors:Leow Melvin Khee-Shing  Kwek Daniel Seow-Khee  Ng Alan Wei-Keong  Ong Kian-Chung  Kaw Gregory Jon-Leng  Lee Lawrence Soon-U
Affiliation:Department of Endocrinology, Division of Medicine, Tan Tock Seng Hospital, Jalan Tan Tock Seng, Singapore. mleows@massmed.org
Abstract:
OBJECTIVE: Following the severe acute respiratory syndrome (SARS) outbreak, many survivors were observed to suffer from psychosomatic symptoms reminiscent of various endocrine disorders. Hence, we sought to determine the existence of any chronic endocrine sequelae in SARS survivors. DESIGN, PATIENTS, MEASUREMENTS: Sixty-one survivors of SARS prospectively recruited were analysed for hormonal derangements 3 months following recovery. Patients with pre-existing endocrine disorders were excluded. Any endocrine abnormalities diagnosed were investigated and treated where indicated up to a year. Serial evaluation facilitated characterization of trends and prognostication of any endocrinological aberrations. RESULTS: Twenty-four (39.3%) patients had evidence of hypocortisolism. The hypothalamic-pituitary-adrenal (HPA) axis dysfunction of the majority resolved within a year. Two (3.3%) of the hypocortisolic cohort had transient subclinical thyrotoxicosis. Four (6.7%) were biochemically hypothyroid, being comprised of three with central hypothyroidism and one with primary hypothyroidism. Two of the three with central hypothyroidism had concomitant central hypocortisolism. Eight had subnormal DHEAS levels. CONCLUSIONS: These preliminary findings highlight a possible aetiologic role of SARS-associated coronavirus in causing a reversible hypophysitis or direct hypothalamic effect, with the HPA axis affected more frequently than the HPT axis.
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