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BMC Musculoskelet Disord. 2017 May 18;18(1):201. doi: 10.1186/s12891-017-1565-6.

Incidence of total hip or knee replacement due to osteoarthritis in relation to thyroid function: a prospective cohort study (The Nord-Trøndelag Health Study).

Author information

1
The HUNT Research Centre, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), Levanger, Norway. alf.hellevik@ntnu.no.
2
Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway. alf.hellevik@ntnu.no.
3
Research and Communication Unit for Musculoskeletal Health, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway.
4
Faculty of Medicine, University of Oslo, Oslo, Norway.
5
The HUNT Research Centre, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), Levanger, Norway.
6
The Norwegian Arthroplasty Register, Department of Orthopedic Surgery, Haukeland University Hospital, Bergen, Norway.
7
Department of Clinical Medicine, Institute of Medicine and Dentistry, University of Bergen, Bergen, Norway.
8
Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway.

Abstract

BACKGROUND:

To study whether thyroid function was associated with risk of hip or knee replacement due to primary osteoarthritis.

METHODS:

In a prospective cohort study, data from the second and third survey of the Nord-Trøndelag Health Study were linked to the Norwegian Arthroplasty Register in order to identify total hip or knee replacement as a result of primary osteoarthritis.

RESULTS:

Among 37 891 participants without previously known thyroid disease we recorded 978 total hip replacements (THRs) and 538 total knee replacements (TKRs) during a median follow-up time of 15.7 years. The analyses were adjusted for sex, age, BMI (body mass index), smoking, physical activity and diabetes. We did not find any association between TSH (thyroid stimulating hormone) and THR or TKR due to osteoarthritis. Neither were changes in TSH over time, or overt hypo- or hyperthyroidism, associated with incidence of THR or TKR.

CONCLUSION:

No association was found between thyroid function and hip or knee joint replacement due to osteoarthritis.

KEYWORDS:

Hip joint replacement; Knee joint replacement; Osteoarthritis; Thyroid function; Thyroid stimulating hormone

PMID:
28521834
PMCID:
PMC5437592
DOI:
10.1186/s12891-017-1565-6
[Indexed for MEDLINE]
Free PMC Article

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