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Arthropathy in long-term cured acromeagaly is characterised by osteophytes without joint space narrowing: a comparison with generalised osteoarthritis.
MedLine Citation:
PMID:  21131647     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
OBJECTIVE: To compare the distribution of osteophytes and joint space narrowing (JSN) between patients with acromegaly and primary generalised osteoarthritis to gain insight into the pathophysiological process of growth hormone (GH) and insulin-like growth factor type I (IGF-I)-mediated osteoarthritis.
METHODS: We utilised radiographs of the knee and hip joints of 84 patients with controlled acromegaly for a mean of 14.0 years with 189 patients with primary generalised osteoarthritis. Hips and knees with with doubtful or definite osteoarthritis (Kellgren-Lawrence score of ≥ 1) were compared in the current study. For a semiquantitative assessment of radiological osteoarthritis (range 0-3) osteophytes and JSN of the medial and lateral tibiofemoral and hip joints were scored according to the Osteoarthritis Research Society International atlas. Logistic regression analysis was performed with adjustment for age, sex, body mass index and intrapatient effect.
RESULTS: Knee and hip osteoarthritis in patients with cured acromegaly was characterised by more osteophytosis (OR 4.1-9.9), but less JSN (OR 0.3-0.5) in comparison with patients with primary osteoarthritis. Patients with acromegaly and osteoarthritis had significantly less self-reported functional disability than patients with primary osteoarthritis (p < 0.001). Self reported functional disability was associated with JSN rather than with osteophytosis.
CONCLUSION: Arthropathy caused by GH oversecretion results in osteophytosis and to a lesser extent in JSN. This observation suggests that the GH-IGF-I system is mainly involved in bone formation resulting in osteophytosis, but may possibly protect against cartilage loss.
Authors:
M J E Wassenaar; N R Biermasz; J Bijsterbosch; A M Pereira; I Meulenbelt; J W A Smit; F Roelfsema; H M Kroon; J A Romijn; M Kloppenburg
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-12-03
Journal Detail:
Title:  Annals of the rheumatic diseases     Volume:  70     ISSN:  1468-2060     ISO Abbreviation:  Ann. Rheum. Dis.     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372355     Medline TA:  Ann Rheum Dis     Country:  England    
Other Details:
Languages:  eng     Pagination:  320-5     Citation Subset:  IM    
Affiliation:
Department of Endocrinology and Metabolic Diseases, Leiden University Medical Center, Leiden, The Netherlands.
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