Document Detail


Association of severity of coexisting patellofemoral disease with increased impairments and functional limitations in patients with knee osteoarthritis.
MedLine Citation:
PMID:  23045243     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To evaluate the association between severity of coexisting patellofemoral (PF) disease with lower extremity impairments and functional limitations in patients with tibiofemoral (TF) osteoarthritis (OA).
METHODS: Radiographic views of the TF and PF compartments, knee extension strength, and knee range of motion were obtained for 167 patients with knee OA. Additionally, knee-specific symptoms and functional limitations were assessed using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) and the Activities of Daily Living Scale (ADLS).
RESULTS: Moderate/severe PFOA was associated with lower knee extension strength (mean ± SD 1.4 ± 0.5 Nm/body weight [BW]) compared to no PFOA (mean ± SD 1.8 ± 0.5 Nm/BW). Additionally, total knee range of motion was significantly lower for patients with moderate/severe PFOA (mean ± SD 120.8° ± 14.4°) compared to no PFOA (mean ± SD 133.5° ± 10.7°) and mild PFOA (mean ± SD 125.8° ± 13.0°). Moderate/severe PFOA and mild PFOA were also associated with less pain while standing (odds ratio [OR] 0.2, 95% confidence interval [95% CI] 0.1-0.7 and OR 0.2, 95% CI 0.1-0.6, respectively) on the WOMAC, and moderate/severe PFOA was associated with greater difficulty with going downstairs (OR 2.9, 95% CI 1.0-8.1) on the ADLS.
CONCLUSION: It appears that knees with more severe coexisting PF disease demonstrate features distinct from those observed in TFOA in isolation or in combination with mild PF disease. Treatment strategies targeting the PF joint may be warranted to mitigate the specific lower extremity impairments and functional problems present in this patient population.
Authors:
Shawn Farrokhi; Sara R Piva; Alexandra B Gil; Chester V Oddis; Maria M Brooks; G Kelley Fitzgerald
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Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Arthritis care & research     Volume:  65     ISSN:  2151-4658     ISO Abbreviation:  Arthritis Care Res (Hoboken)     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-04-04     Completed Date:  2013-05-21     Revised Date:  2014-04-02    
Medline Journal Info:
Nlm Unique ID:  101518086     Medline TA:  Arthritis Care Res (Hoboken)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  544-51     Citation Subset:  IM    
Copyright Information:
Copyright © 2013 by the American College of Rheumatology.
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MeSH Terms
Descriptor/Qualifier:
Activities of Daily Living*
Aged
Female
Humans
Knee Joint / physiopathology*,  radiography
Male
Middle Aged
Osteoarthritis / complications,  physiopathology,  radiography
Osteoarthritis, Knee / complications*,  physiopathology,  radiography
Patellofemoral Joint / physiopathology*,  radiography
Questionnaires
Range of Motion, Articular*
Severity of Illness Index
Grant Support
ID/Acronym/Agency:
1-R01-AR048760/AR/NIAMS NIH HHS; P30 AG024827/AG/NIA NIH HHS; R01 AR048760/AR/NIAMS NIH HHS; UL-1RR-024153/RR/NCRR NIH HHS; UL1 RR024153/RR/NCRR NIH HHS; UL1 TR000005/TR/NCATS NIH HHS; UL1-TR-000005/TR/NCATS NIH HHS
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