Involvement of different risk factors in clinically severe large joint osteoarthritis according to the presence of hand interphalangeal nodes
Involvement of different risk factors in clinically severe large joint osteoarthritis according to the presence of hand interphalangeal nodes
Objective: to quantify the differences in risk factors influencing total hip replacement (THR) and total knee replacement (TKR) based on the presence versus absence of multiple interphalangeal nodes in 2 or more rays of the fingers of each hand in patients with large joint osteoarthritis (OA).
Methods: a group of 3,800 patients with large joint OA who underwent total joint replacement (1,201 of whom had the nodal phenotype) and 1,906 control subjects from 2 case-control studies and a population-based cohort in the UK were studied. Odds ratios (ORs) and 95% confidence intervals (95% CIs) were calculated for the risk of total joint replacement in association with age, sex, body mass index (BMI), height, and prevalence of the T allele in the GDF5 rs143383 polymorphism. ORs for total joint replacement were compared between cases of nodal OA and cases of non-nodal OA and between patients who underwent TKR and those who underwent THR.
Results: age, sex, and BMI had significantly higher ORs for an association with total joint replacement in nodal OA cases than in non-nodal OA cases. The GDF5 polymorphism was significantly associated with THR in cases of nodal OA, but not in cases of non-nodal OA, and increased height was a risk factor for THR in non-nodal OA cases only. Female sex was a protective risk factor for TKR in non-nodal OA cases (OR 0.60, 95% CI 0.52-0.70) but was predisposing for TKR in the nodal form of OA (OR 1.83, 95% CI 1.49-2.26). The nodal phenotype was associated with a significantly higher risk of undergoing both THR and TKR (OR 1.46, 95% CI 1.09-1.94) and also a significantly higher risk of bilateral TKR (OR 1.70, 95% CI 1.37-2.11), but, paradoxically, was associated with a lower risk of bilateral THR (OR 0.72, 95% CI 0.56-0.91).
Conclusion: nodal and non-nodal forms of large joint OA have significantly different risk factors and outcomes, indicating a different etiology for the 2 forms of OA. With regard to the likelihood of undergoing THR, this appears to be, at least in part, genetically determined
2688-2695
Valdes, Ana M.
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McWilliams, Daniel
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Arden, Nigel K.
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Doherty, Sally A.
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Wheeler, Margaret
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Muir, Kenneth R.
4703d677-d4f5-4386-aa1e-2de40e31354f
Zhang, Weiya
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Cooper, Cyrus
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Maciewicz, Rose A.
c33d1ff0-a737-472e-9f30-ad5ac6bafa28
Doherty, Michael
ab3e38b1-4e66-48b0-ae34-ec710c4fce2c
September 2010
Valdes, Ana M.
4e4c3f14-3895-4129-94ca-f4176dd83e94
McWilliams, Daniel
7bbf1ed5-24e7-4cf0-8066-7c56e24928ee
Arden, Nigel K.
23af958d-835c-4d79-be54-4bbe4c68077f
Doherty, Sally A.
a28bef1a-01a7-4c85-8e91-49afba4f923a
Wheeler, Margaret
b8cad0c8-0f79-48e5-ae09-636fecb1e2c8
Muir, Kenneth R.
4703d677-d4f5-4386-aa1e-2de40e31354f
Zhang, Weiya
9997b6da-0a49-4a50-bab4-dcb94bd9c151
Cooper, Cyrus
e05f5612-b493-4273-9b71-9e0ce32bdad6
Maciewicz, Rose A.
c33d1ff0-a737-472e-9f30-ad5ac6bafa28
Doherty, Michael
ab3e38b1-4e66-48b0-ae34-ec710c4fce2c
Valdes, Ana M., McWilliams, Daniel, Arden, Nigel K., Doherty, Sally A., Wheeler, Margaret, Muir, Kenneth R., Zhang, Weiya, Cooper, Cyrus, Maciewicz, Rose A. and Doherty, Michael
(2010)
Involvement of different risk factors in clinically severe large joint osteoarthritis according to the presence of hand interphalangeal nodes.
Arthritis and Rheumatism, 62 (9), .
(doi:10.1002/art.27574).
(PMID:20499385)
Abstract
Objective: to quantify the differences in risk factors influencing total hip replacement (THR) and total knee replacement (TKR) based on the presence versus absence of multiple interphalangeal nodes in 2 or more rays of the fingers of each hand in patients with large joint osteoarthritis (OA).
Methods: a group of 3,800 patients with large joint OA who underwent total joint replacement (1,201 of whom had the nodal phenotype) and 1,906 control subjects from 2 case-control studies and a population-based cohort in the UK were studied. Odds ratios (ORs) and 95% confidence intervals (95% CIs) were calculated for the risk of total joint replacement in association with age, sex, body mass index (BMI), height, and prevalence of the T allele in the GDF5 rs143383 polymorphism. ORs for total joint replacement were compared between cases of nodal OA and cases of non-nodal OA and between patients who underwent TKR and those who underwent THR.
Results: age, sex, and BMI had significantly higher ORs for an association with total joint replacement in nodal OA cases than in non-nodal OA cases. The GDF5 polymorphism was significantly associated with THR in cases of nodal OA, but not in cases of non-nodal OA, and increased height was a risk factor for THR in non-nodal OA cases only. Female sex was a protective risk factor for TKR in non-nodal OA cases (OR 0.60, 95% CI 0.52-0.70) but was predisposing for TKR in the nodal form of OA (OR 1.83, 95% CI 1.49-2.26). The nodal phenotype was associated with a significantly higher risk of undergoing both THR and TKR (OR 1.46, 95% CI 1.09-1.94) and also a significantly higher risk of bilateral TKR (OR 1.70, 95% CI 1.37-2.11), but, paradoxically, was associated with a lower risk of bilateral THR (OR 0.72, 95% CI 0.56-0.91).
Conclusion: nodal and non-nodal forms of large joint OA have significantly different risk factors and outcomes, indicating a different etiology for the 2 forms of OA. With regard to the likelihood of undergoing THR, this appears to be, at least in part, genetically determined
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Published date: September 2010
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Medicine
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Local EPrints ID: 166797
URI: http://eprints.soton.ac.uk/id/eprint/166797
ISSN: 0004-3591
PURE UUID: 4823e3aa-d3c6-460c-89ab-f90933810b77
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Date deposited: 03 Nov 2010 08:38
Last modified: 18 Mar 2024 02:45
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Author:
Ana M. Valdes
Author:
Daniel McWilliams
Author:
Sally A. Doherty
Author:
Margaret Wheeler
Author:
Kenneth R. Muir
Author:
Weiya Zhang
Author:
Rose A. Maciewicz
Author:
Michael Doherty
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