Cited by 239Thyroid Disorders and TreatmentsHormonal and reproductive studiesThyroid and Parathyroid Surgery

The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.

High Frequency of and Factors Associated with Thyroid Hormone Over-Replacement and Under-Replacement in Men and Women Aged 65 and Over

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Somwaru, Lily L., Arnold, Alice M., Joshi, Neha, Fried, Linda P., Cappola, Anne R.·2009·The Journal of Clinical Endocrinology & Metabolism

Abstract

CONTEXT: Thyroid hormone use is common in older populations, but the frequency of over- or under-replacement is debated. OBJECTIVE: We sought to describe the frequency of and factors associated with thyroid hormone over- or under-replacement in a population of older men and women. DESIGN: Participants were 3678 U.S. community dwelling individuals aged 65 yr or older enrolled in the Cardiovascular Health Study who had thyroid function tests in 1989-1990. Thyroid hormone users (n = 339) were identified and classified into low TSH (<0.45 mU/liter), euthyroid (0.45-4.5 mU/liter), and high TSH (>4.5 mU/liter). RESULTS: Of the 339 thyroid hormone users, 41% had a low TSH, 16% had a high TSH, and 43% were in the euthyroid range. In multivariable analyses, lower weight (P < 0.001) was independently associated with low TSH status. For every 10 kg lower weight, the likelihood of having low TSH increased by 65% [odd ratio (OR) 1.65; 95% confidence interval (CI) 1.31-2.07]. Those with renal insufficiency were less likely to have low TSH levels (P = 0.02). The presence of diabetes was independently associated with having low (OR 3.35; 95% CI 1.46-7.65) and high TSH levels (OR 2.66; 95% CI 1.14-6.21). CONCLUSIONS: There is a very high prevalence of thyroid function testing abnormalities in older people taking thyroid hormone preparations, particularly in those of low weight or with diabetes. Because of potential adverse cardiovascular and skeletal effects from over-replacement, older people represent a key population for increased TSH monitoring on therapy.

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Metadata

Authors
Somwaru, L. L., Arnold, A. M., Joshi, N., Fried, L. P., & Cappola, A. R.
Affiliations
  • University of Pennsylvania (US)
  • University of Washington (US)
  • Columbia University (US)
Corresponding author
Cappola, Anne R.
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2009-04-01
Volume
94
Issue
4
Pages
1342-1345
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2161444360
Cited by
239
References
17
Citations by year
2026: 11 · 2025: 18 · 2024: 18 · 2023: 21 · 2022: 14 · 2021: 22 · 2020: 19 · 2019: 23 · 2018: 15 · 2017: 14 · 2016: 17 · 2015: 4 · 2014: 8 · 2013: 11 · 2012: 8
FWCI
5.81
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Columbia Academic Commons (Columbia University)
Funders
  • University of Pennsylvania
  • National Institutes of Health (n01hc085079-024, n01hc015103-009, n01hc085086-022, n01hc035129-010)
  • National Institute on Aging (K23AG19161, K23AG019161)
  • National Heart, Lung, and Blood Institute (N01 HC085086, N01HC15103, N01 HC085079, N01 HC85086, N01 HC035129, N01 HC015103, N01-HC-85079 through N01-HC-85086, N01-HC85079, N01HC35129)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal and reproductive studies
  • Health Sciences › Medicine › Surgery › Thyroid and Parathyroid Surgery
Keywords
thyroid hormone replacement, TSH levels, older adults, underweight, diabetes mellitus, renal failure, thyroid function tests, TSH monitoring, Cardiovascular Health Study
MeSH terms
Aged, Body Weight, Diabetes Mellitus, Dose-Response Relationship, Drug, Drug Therapy, Combination, Female, Humans, Male, Risk Factors, Thyroid Diseases, Thyroid Hormones, Thyrotropin, Thyroxine, Triiodothyronine, Body Mass Index, Multivariate Analysis, Hormone Replacement Therapy, Renal Insufficiency

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