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Serum selenium status in Graves’ disease with and without orbitopathy: a case–control study

Citation

Khong, JJ and Goldstein, RF and Sanders, KM and Schneider, H and Pope, J and Burdon, KP, Serum selenium status in Graves' disease with and without orbitopathy: a case-control study, Clinical Endocrinology, 80 pp. 905-910. ISSN 0300-0664 (2014) [Refereed Article]

Copyright Statement

Copyright 2014 John Wiley & Sons Ltd.

DOI: doi:10.1111/cen.12392

Abstract

OBJECTIVE: Selenium is effective in improving quality of life and reducing the progression of active Graves' orbitopathy. The effect of correcting relative selenium deficiency on improving Graves' orbitopathy is unknown, as baseline selenium levels have not previously been measured. The study aims to determine whether serum selenium levels are reduced in patients with Graves' disease with orbitopathy (GO) compared with without orbitopathy (GD).

DESIGN: A prospective, case-control study performed between 2009 and 2012 at endocrine and ophthalmology clinics in Australia.

PATIENTS: A total of 198 patients with Graves' disease participated in the study: 101 with Graves' orbitopathy and 97 without Graves' orbitopathy.

MEASUREMENTS: Serum selenium levels in both groups.

RESULTS: Mean serum selenium levels were significantly lower in GO (1·10 ± 0·18 μm) than in GD (1·19 ± 0·20 μm) (P = 0·001). Mean selenium levels appeared to decrease in parallel with increasing severity of GO; selenium level was 1·19 ± 0·20 μm in GD, 1·10 ± 0·19 μm in moderate-to-severe GO and 1·09 ± 0·17 μm in sight-threatening GO (P = 0·003). Serum selenium levels remained significantly lower in GO after adjusting for age, smoking status, thyroidectomy, radioactive iodine treatment and residential location.

CONCLUSION: Serum selenium levels are lower in patients with GO compared with GD in an Australian study population with marginal selenium status. Relative selenium deficiency may be an independent risk factor for orbitopathy in patients with Graves' disease.

Item Details

Item Type:Refereed Article
Keywords:selenium, Graves' ocular complications
Research Division:Medical and Health Sciences
Research Group:Ophthalmology and Optometry
Research Field:Ophthalmology
Objective Division:Health
Objective Group:Clinical Health (Organs, Diseases and Abnormal Conditions)
Objective Field:Hearing, Vision, Speech and Their Disorders
Author:Burdon, KP (Associate Professor Kathryn Burdon)
ID Code:99157
Year Published:2014
Web of Science® Times Cited:13
Deposited By:Menzies Institute for Medical Research
Deposited On:2015-03-16
Last Modified:2017-11-03
Downloads:0

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