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Patient-Reported Outcomes but not Demographic Factors Predict Normal Muscle Function 2-5 Years After ACL Injury: A Cross-Sectional Study

Cederström, Niklas LU ; Roos, Ewa M. and Ageberg, Eva LU (2015) 20th annual Congress of the European College of Sport Science p.558-558
Abstract
Patient-reported outcomes but not Demographic Factors Predict Normal Muscle Function 2-5 Years After ACL Injury: A Cross-Sectional StudyNiklas Cederström1, Ewa Roos2, Eva Ageberg1(1)Musculoskeletal Function Research Group, Department of Health Sciences, Faculty of Medicine, Lund University(2)Institute of Sport Science and Clinical Biomechanics, Musculoskeletal Function and Physiotherapy, University of Southern Denmark
Purpose:The purpose of this cross-sectional cohort study was to examine associations of patient-reported outcomes and demographic factors with muscle function mean 3 years after anterior cruciate ligament (ACL) injury or reconstruction.Methods:Fifty-four patients were measured to determine whether knee strength and hop... (More)
Patient-reported outcomes but not Demographic Factors Predict Normal Muscle Function 2-5 Years After ACL Injury: A Cross-Sectional StudyNiklas Cederström1, Ewa Roos2, Eva Ageberg1(1)Musculoskeletal Function Research Group, Department of Health Sciences, Faculty of Medicine, Lund University(2)Institute of Sport Science and Clinical Biomechanics, Musculoskeletal Function and Physiotherapy, University of Southern Denmark
Purpose:The purpose of this cross-sectional cohort study was to examine associations of patient-reported outcomes and demographic factors with muscle function mean 3 years after anterior cruciate ligament (ACL) injury or reconstruction.Methods:Fifty-four patients were measured to determine whether knee strength and hop test scores from the injured knee had reached 90% of the uninjured knee (Ageberg, Thomeé et al. 2008). Age, gender, body mass index (BMI), activity level (Tegner Activity Scale [TAS]), and the Knee Injury and Osteoarthritis Outcome Score (KOOS) were analyzed using simple and multiple logistic regressions to determine their association with limb symmetry indices (LSIs) at mean 3.2 (SD 0.85) years post-injury. Results:Simple logistic regressions indicate that activity level (p = .02) and the KOOS subscale Quality of Life (QOL; p = .02) were significantly associated with a normal knee extension LSI. Vertical jump showed significant odds ratio increases of 4-15% for all KOOS subscales, and 42% for TAS (p = .03). Side-hop tests indicated a 3% increase for both function - sport and recreational activities (Sport/Rec; p = .02) and QOL (p = .03). KOOS variables were strongly correlated to one another, and weakly correlated to activity level and BMI. Conclusions:Better self-reported outcomes were associated with normal function in knee extension, vertical jump, and side-hop tests 2-5 years after ACL injury. However, biological demographic variables were not associated with normal muscle function. This lack of biological causation counters previous research (Ardern, Webster et al. 2011) and supports the need for future research into the psychology of ACL injury rehabilitation outcomes.References:Ageberg, E., R. Thomeé, C. Neeter, K. G. Silbernagel and E. M. Roos (2008). "Muscle strength and functional performance in patients with anterior cruciate ligament injury treated with training and surgical reconstruction or training only: A two to five-year followup." Arthritis & Rheumatism: Arthritis Care & Research 59(12): 1773-1779.Ardern, C. L., K. E. Webster, N. F. Taylor and J. A. Feller (2011). "Return to sport following anterior cruciate ligament reconstruction surgery: a systematic review and meta-analysis of the state of play." British Journal of Sports Medicine 45(7): 596-606. Contact:Niklas.cederstrom@med.lu.se (Less)
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author
organization
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Contribution to conference
publication status
published
subject
keywords
anterior cruciate ligament (ACL), Rehabilitation, Physical Therapy, patient-reported outcome measures/PROM
pages
1 pages
conference name
20th annual Congress of the European College of Sport Science
conference location
Malmö, Sweden
conference dates
2015-06-24 - 2015-06-27
language
English
LU publication?
yes
id
071ee2ac-65b4-4ee6-94e1-53acfe0b0e70
alternative location
http://muep.mau.se/handle/2043/20001
date added to LUP
2019-06-28 09:08:14
date last changed
2019-07-02 02:16:29
@misc{071ee2ac-65b4-4ee6-94e1-53acfe0b0e70,
  abstract     = {Patient-reported outcomes but not Demographic Factors Predict Normal Muscle Function 2-5 Years After ACL Injury: A Cross-Sectional StudyNiklas Cederström1, Ewa Roos2, Eva Ageberg1(1)Musculoskeletal Function Research Group, Department of Health Sciences, Faculty of Medicine, Lund University(2)Institute of Sport Science and Clinical Biomechanics, Musculoskeletal Function and Physiotherapy, University of Southern Denmark<br/>Purpose:The purpose of this cross-sectional cohort study was to examine associations of patient-reported outcomes and demographic factors with muscle function mean 3 years after anterior cruciate ligament (ACL) injury or reconstruction.Methods:Fifty-four patients were measured to determine whether knee strength and hop test scores from the injured knee had reached 90% of the uninjured knee (Ageberg, Thomeé et al. 2008). Age, gender, body mass index (BMI), activity level (Tegner Activity Scale [TAS]), and the Knee Injury and Osteoarthritis Outcome Score (KOOS) were analyzed using simple and multiple logistic regressions to determine their association with limb symmetry indices (LSIs) at mean 3.2 (SD 0.85) years post-injury. Results:Simple logistic regressions indicate that activity level (p = .02) and the KOOS subscale Quality of Life (QOL; p = .02) were significantly associated with a normal knee extension LSI. Vertical jump showed significant odds ratio increases of 4-15% for all KOOS subscales, and 42% for TAS (p = .03). Side-hop tests indicated a 3% increase for both function - sport and recreational activities (Sport/Rec; p = .02) and QOL (p = .03). KOOS variables were strongly correlated to one another, and weakly correlated to activity level and BMI. Conclusions:Better self-reported outcomes were associated with normal function in knee extension, vertical jump, and side-hop tests 2-5 years after ACL injury. However, biological demographic variables were not associated with normal muscle function. This lack of biological causation counters previous research (Ardern, Webster et al. 2011) and supports the need for future research into the psychology of ACL injury rehabilitation outcomes.References:Ageberg, E., R. Thomeé, C. Neeter, K. G. Silbernagel and E. M. Roos (2008). "Muscle strength and functional performance in patients with anterior cruciate ligament injury treated with training and surgical reconstruction or training only: A two to five-year followup." Arthritis &amp; Rheumatism: Arthritis Care &amp; Research 59(12): 1773-1779.Ardern, C. L., K. E. Webster, N. F. Taylor and J. A. Feller (2011). "Return to sport following anterior cruciate ligament reconstruction surgery: a systematic review and meta-analysis of the state of play." British Journal of Sports Medicine 45(7): 596-606. Contact:Niklas.cederstrom@med.lu.se},
  author       = {Cederström, Niklas and Roos, Ewa M. and Ageberg, Eva},
  language     = {eng},
  pages        = {558--558},
  title        = {Patient-Reported Outcomes but not Demographic Factors Predict Normal Muscle Function 2-5 Years After ACL Injury: A Cross-Sectional Study},
  url          = {https://lup.lub.lu.se/search/ws/files/66736717/Cederstr_m_E_Poster_ECSS_2015.pdf},
  year         = {2015},
}