Association between thigh muscle strength four years after partial meniscectomy and radiographic features of osteoarthritis 11 years later

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Ericsson, Ylva B.Lund University,Lunds universitet,Lund OsteoArthritis Division - From molecule to clinical implementation,Forskargrupper vid Lunds universitet,Lund University Research Groups,Skåne University Hospital (author)

Association between thigh muscle strength four years after partial meniscectomy and radiographic features of osteoarthritis 11 years later

Article/chapterEnglish2019

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2019-11-03
Springer Science and Business Media LLC,2019

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LIBRIS-ID:oai:lup.lub.lu.se:77ca78ea-d13b-4254-b181-55d05502b3d9
https://lup.lub.lu.se/record/77ca78ea-d13b-4254-b181-55d05502b3d9URI
https://doi.org/10.1186/s12891-019-2875-7DOI

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Language:English
Summary in:English

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Subject category:art swepub-publicationtype
Subject category:ref swepub-contenttype

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Background: Meniscus injury and meniscectomy both entail increased risk of knee osteoarthritis (OA). Thigh muscle weakness is a suggested mediator of OA but there is little evidence of its importance for knee OA development after meniscectomy. This study aimed to examine the association between thigh muscle strength after partial meniscectomy in middle-aged subjects with a non-traumatic meniscal tear and later radiographic knee OA changes. Methods: Thirty-four out of 45 participants in an exercise-trial underwent testing for isokinetic thigh muscle strength 4 years after arthroscopic partial meniscectomy and had radiographic examination 11 years later (15 years post-surgery, mean age at follow-up of 57 years (range 50-61)). Outcomes were grade of joint space narrowing and osteophyte score in the medial tibiofemoral compartment of the operated knee and the contralateral knee. We tested the association between muscle strength at baseline and the radiographic outcomes at follow-up using logistic regression analyses adjusted for sex and overweight. Results: At follow-up, 33/34 subjects had joint space narrowing and 27/34 subjects had osteophytes in the operated knee, in the contralateral knee joint space narrowing was found in 23 subjects. In the operated knee baseline knee extensor and flexor strength were negatively associated with grade of joint space narrowing at follow-up (OR 0.972 and 0.956, p = 0.028 and 0.026, respectively) and also with osteophyte score (OR 0.968 and 0.931, p = 0.017 and 0.011, respectively). In the contralateral knee longitudinal associations between strength and radiographic OA features were similar, OR 0.949-0.972, p < 0.05. Conclusion: The finding that stronger thigh muscles 4 years after meniscectomy were associated with less severe osteoarthritic changes in the medial tibiofemoral compartment of both the operated and contralateral knee 11 years later, may suggest that strong thigh muscles can help to preserve joint integrity in middle-aged subjects at risk of knee OA.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Ortopedi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Orthopaedics hsv//eng
Joint space narrowing
Knee osteoarthritis
Meniscectomy
Muscle strength
Osteophytes

Added entries (persons, corporate bodies, meetings, titles ...)

Roos, Ewa M.University of Southern Denmark(Swepub:lu)ort-ero (author)
Owman, HenrikLund University,Lunds universitet,Enheten för led- och mjukvävnadsforskning,Forskargrupper vid Lunds universitet,Joint and Soft Tissue Unit,Lund University Research Groups(Swepub:lu)orto-how (author)
Dahlberg, Leif E.Lund University,Lunds universitet,Lund OsteoArthritis Division - From molecule to clinical implementation,Forskargrupper vid Lunds universitet,Lund University Research Groups,Skåne University Hospital(Swepub:lu)orto-lda (author)
Lund OsteoArthritis Division - From molecule to clinical implementationForskargrupper vid Lunds universitet (creator_code:org_t)

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In:BMC Musculoskeletal Disorders: Springer Science and Business Media LLC20:11471-2474

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