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Lancet. 2017 Sep 23;390(10101):1550-1562. doi: 10.1016/S0140-6736(17)30703-1. Epub 2017 Mar 20.

Hypothyroidism.

Author information

1
Academic Centre for Thyroid Disease, Erasmus University Medical Centre, Rotterdam, Netherlands.
2
Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, IL, USA.
3
Division of Endocrinology, Georgetown University, Washington, DC, USA.
4
Academic Centre for Thyroid Disease, Erasmus University Medical Centre, Rotterdam, Netherlands. Electronic address: r.peeters@erasmusmc.nl.

Abstract

Hypothyroidism is a common condition of thyroid hormone deficiency, which is readily diagnosed and managed but potentially fatal in severe cases if untreated. The definition of hypothyroidism is based on statistical reference ranges of the relevant biochemical parameters and is increasingly a matter of debate. Clinical manifestations of hypothyroidism range from life threatening to no signs or symptoms. The most common symptoms in adults are fatigue, lethargy, cold intolerance, weight gain, constipation, change in voice, and dry skin, but clinical presentation can differ with age and sex, among other factors. The standard treatment is thyroid hormone replacement therapy with levothyroxine. However, a substantial proportion of patients who reach biochemical treatment targets have persistent complaints. In this Seminar, we discuss the epidemiology, causes, and symptoms of hypothyroidism; summarise evidence on diagnosis, long-term risk, treatment, and management; and highlight future directions for research.

PMID:
28336049
DOI:
10.1016/S0140-6736(17)30703-1
[Indexed for MEDLINE]

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