The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study.

The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study. Research Abstract Details 

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The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study. Abstract Text:

L Kalichman,Y Zhang,J Niu,J Goggins,D Gale,D T Felson,D Hunter,

OBJECTIVE: The aim of our study was to evaluate the association between patellar alignment (using standard MRI images of extended knees) and MRI indices of patellofemoral (PF) osteoarthritis (OA) features. METHODS: In this cross-sectional observational study, subjects were recruited to participate in the Boston Osteoarthritis of the Knee Study (BOKS). The association of patellar alignment [patellar length ratio (PLR), sulcus angle (SA), lateral patellar tilt angle (LPTA) and bisect offset (BO)] with measures of PF OA [cartilage morphology and bone marrow lesion (BML) in the medial and lateral PF compartment] were examined using a logistic regression model while adjusting for age, sex and BMI. RESULTS: Study sample comprised 126 males (mean age 68.0, BMI 31.2) and 87 females (mean age 64.7, BMI 31.6). All measurements of patellar alignment were statistically significantly associated with cartilage morphology and BML in the lateral compartment of PF joint. PLR and SA were significantly associated with medial cartilage loss. With increasing PLR there was an increased prevalence of lateral and medial cartilage loss as well as of lateral BML. Increasing SA was positively associated with increased lateral and medial cartilage loss and lateral BML. LPTA range was negatively associated with lateral cartilage loss and BML. More laterally displaced patella (higher BO) was associated with increased lateral cartilage loss and BML. CONCLUSIONS: The results of our study clearly indicated that patellar alignment is associated with manifestations of PF OA such as cartilage thickness loss and BML.

The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study. Publishing Authors By Initials

L Kalichman,Y Zhang,J Niu,J Goggins,D Gale,DT Felson,D Hunter,

For similar musculoskeletal system: skeleton: bone and bones: bones of lower extremity: leg bones: patella research abstracts see: musculoskeletal system: skeleton: bone and bones: bones of lower extremity: leg bones: patella research

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The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Rheumatology (Oxford, England)

VOLUME: 46

Page Numbers: 1303-8

Journal Abbreviation: Rheumatology (Oxford)

ISSN: 1462-0324

DAY: 24

MONTH: 05

YEAR: 2007

The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study. Information

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LANGUAGE: eng

NlmUniqueID: 100883501

The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study. Keywords Mesh Terms:

KEYWORDS: Patella

MESH TERMS: pathology

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Grant and Affiliation Information for The association between patellar alignment and patellofemoral joint osteoarthritis features--an MRI study.

AFFILIATION: Boston University Clinical Epidemiology Research and Training Unit, 715 Albany St., Boston, MA 02118, USA.

Country: England

AGENCY: United States NIAMS

GRANT: AR47785

ACRONYM: AR

MEDLINETA: Rheumatology (Oxford)

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