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Sökning: WFRF:(Kvist Joanna)

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1.
  • Kvist, Joanna, et al. (författare)
  • Natural corollaries and recovery after acute ACL injury : : The NACOX cohort study protocol
  • 2018
  • Ingår i: BMJ Open. - British Medical Journal Publishing Group. - 2044-6055. ; 8:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction Anterior cruciate ligament (ACL) injury can result in joint instability, decreased functional performance, reduced physical activity and quality of life and an increased risk for post-traumatic osteoarthritis. Despite the development of new treatment techniques and extensive research, the complex and multifaceted nature of ACL injury and its consequences are yet to be fully understood. The overall aim of the NACOX study is to evaluate the natural corollaries and recovery after an ACL injury. Methods and analysis The NACOX study is a multicentre prospective prognostic cohort study of patients with acute ACL injury. At seven sites in Sweden, we will include patients aged 15-40 years, within 6 weeks after primary ACL injury. Patients will complete questionnaires at multiple occasions over the 3 years following injury or the 3 years following ACL reconstruction (for participants who have surgical treatment). In addition, a subgroup of 130 patients will be followed with clinical examinations, several imaging modalities and biological samples. Data analyses will be specific to each aim. Ethics and dissemination This study has been approved by the regional Ethical committee in Linköping, Sweden (Dnr 2016/44-31 and 2017/221-32). We plan to present the results at national and international conferences and in peer-reviewed scientific journals. Participants will receive a short summary of the results following completion of the study. Trial registration number NCT02931084.
2.
  • Kvist, Joanna, et al. (författare)
  • Results From the Swedish National Anterior Cruciate Ligament Register.
  • 2014
  • Ingår i: Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. - 1526-3231. ; 30:7
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of the study was to analyze the baseline variables and clinical outcomes for almost 24,000 patients entered into the Swedish National ACL Register between January 2005 and December 2012.
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3.
  • Ahldén, Mattias, et al. (författare)
  • Individualiserad terapi viktigt vid främre korsbandsskada. Individualiserad terapi viktigt vid främre korsbandsskada.
  • 2014
  • Ingår i: Lakartidningen. - 0023-7205. ; 111:39
  • Tidskriftsartikel (refereegranskat)abstract
    • Anterior cruciate ligament (ACL) injury is a common injury and is often associated with concomitant injuries to the menisci and cartilage and, in the long term, osteoarthritis. Preventive training programs have shown to be highly effective in terms of reducing the risk for ACL injury in sports. ACL reconstruction is indicated when the patient experiences symtoms of instability (»giving way«) despite rehabilitation with a physiotherapist aiming to gain neuromuscular control of the knee. Early ACL reconstruction may be indicated, for example when the patient desires to return to pivoting contact-sports at high level. Modern surgical technique for ACL reconstruction has evolved rapidly and includes »anatomic reconstruction« and individualized treatment, where each patient's unique anatomy, injury and requests on knee function are taken into consideration. In Sweden, more than 90% of all ACL reconstructions performed are included into the Swedish National ACL Register.
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4.
  • Ahlden, M., et al. (författare)
  • Individualiserad terapi viktigt vid främre korsbandsskada
  • 2014
  • Ingår i: Läkartidningen. - Swedish Medical Association. - 0023-7205 .- 1652-7518. ; 111:36, s. 1440
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Anterior cruciate ligament (ACL) injury is a common injury and is often associated with concomitant injuries to the menisci and cartilage and, in the long term, osteoarthritis. Preventive training programs have shown to be highly effective in terms of reducing the risk for ACL injury in sports. ACL reconstruction is indicated when the patient experiences symtoms of instability (»giving way«) despite rehabilitation with a physiotherapist aiming to gain neuromuscular control of the knee. Early ACL reconstruction may be indicated, for example when the patient desires to return to pivoting contact-sports at high level. Modern surgical technique for ACL reconstruction has evolved rapidly and includes »anatomic reconstruction« and individualized treatment, where each patient’s unique anatomy, injury and requests on knee function are taken into consideration. In Sweden, more than 90% of all ACL reconstructions performed are included into the Swedish National ACL Register.</p>
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5.
  • Antonopoulos (Kvist), Joanna, et al. (författare)
  • Anterior tibial translation related to isokinetic concentric quadriceps torques
  • 1996
  • Ingår i: Isokinetics and exercise science. - 0959-3020 .- 1878-5913. ; 6:2, s. 145-151
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Sagittal translation of the tibia was examined in a static test with 90 N force at 20°of knee flexion and dynamically during knee extension in a Biodex machine using increasing quadriceps torque in six healthy volunteers. The translation increased in a non-linear fashion with increasing torque. Similar relative increases in quadriceps torque caused similar relative increases in translation in the different individuals. The dynamic translation at the individual maximum quadriceps torque was equal to the static 90-N translation. There was a negative correlation between the maximum quadriceps torque and the static 90-N translation. The results indicate that the quadriceps torque is related to the amount of translation in the knee joint possibly by some feed back mechanism from the ligaments preventing abnormal translation. The findings also imply that a limitation of quadriceps torque around 80% of maximum would limit the strain in an injured ligament to a level not higher than what is caused by normal laxity measurements.</p>
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6.
  • Ardern, Clare, et al. (författare)
  • Comparison of patient-reported outcomes among those who chose ACL reconstruction or non-surgical treatment.
  • 2017
  • Ingår i: Scandinavian Journal of Medicine and Science in Sports. - Wiley-Blackwell. - 0905-7188 .- 1600-0838. ; 27:5, s. 535-544
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>The aim of our study was to cross-sectionally compare patient-reported knee function outcomes between people who chose non-surgical treatment for ACL injury and those who chose ACL reconstruction. We extracted Knee Injury and Osteoarthritis Outcome Score (KOOS) and EuroQoL-5D data entered into the Swedish National ACL Registry by patients with a non-surgically treated ACL injury within 180 days of injury (n = 306), 1 (n = 350), 2 (n = 358), and 5 years (n = 114) after injury. These data were compared cross-sectionally to data collected pre-operatively (n = 306) and at 1 (n = 350), 2 (n = 358), and 5 years (n = 114) post-operatively from age- and gender-matched groups of patients with primary ACL reconstruction. At the 1 and 2 year comparisons, patients who chose surgical treatment reported superior quality of life and function in sports (1 year mean difference 12.4 and 13.2 points, respectively; 2 year mean difference 4.5 and 6.9 points, respectively) compared to those who chose non-surgical treatment. Patients who chose ACL reconstruction reported superior outcomes for knee symptoms and function, and in knee-specific and health-related quality of life, compared to patients who chose non-surgical treatment.</p>
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7.
  • Ardern, Clare L., et al. (författare)
  • Satisfaction With Knee Function After Primary Anterior Cruciate Ligament Reconstruction Is Associated With Self-Efficacy, Quality of Life, and Returning to the Preinjury Physical Activity
  • 2016
  • Ingår i: Arthroscopy : The Journal of Arthroscopy And Related. - 0749-8063 .- 1526-3231. ; 32:8, s. 1631-
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Purpose: To assess whether patient-reported outcomes (psychological factors, appraisals of knee function, and physical activity participation) were associated with satisfaction with knee function after anterior cruciate ligament (ACL) reconstruction. Methods: Participants who were aged 18 to 45 years and a minimum 12 months post primary ACL reconstruction completed a questionnaire battery evaluating knee self-efficacy, knee-related quality of life, self-reported function, and physical activity participation. Participants' responses to the question "If you were to spend the rest of your life with your knee just the way it has been in the last week, would you feel.... (7-point ordinal scale; 1 = happy, 7 = unhappy)" were categorized as satisfied, mostly satisfied, or dissatisfied and used as the primary outcome. Ordinal regression was used to examine associations between independent variables and the primary outcome. Results: A total of 177 participants were included at an average of 3 years after primary ACL reconstruction. At follow-up, 44% reported they would be satisfied, 28% mostly satisfied, and 28% dissatisfied with the outcome of ACL reconstruction. There were significant differences in psychological responses and appraisal of knee function between the 3 groups (P = .001), and significantly more people in the satisfied group had returned to their preinjury activity (58%) than in the mostly satisfied (28%) and dissatisfied (26%) groups (P = .001). Multivariable analysis demonstrated that the odds of being satisfied increased by a factor of 3 with higher self-efficacy, greater knee-related quality of life, and returning to the preinjury activity. Conclusions: People who had returned to their preinjury physical activity and who reported higher knee-related self-efficacy and quality of life were more likely to be satisfied with the outcome of ACL reconstruction.</p>
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8.
  • Ardern, Clare L., et al. (författare)
  • The impact of psychological readiness to return to sport and recreational activities after anterior cruciate ligament reconstruction
  • 2014
  • Ingår i: British Journal of Sports Medicine. - 0306-3674 .- 1473-0480. ; 48:22, s. 1613-U50
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Background This cross-sectional study aimed to examine whether appraisal of knee function, psychological and demographic factors were related to returning to the preinjury sport and recreational activity following anterior cruciate ligament (ACL) reconstruction. Method 164 participants completed a questionnaire battery at 1-7 years after primary ACL reconstruction. The battery included questionnaires evaluating knee self-efficacy, health locus of control, psychological readiness to return to sport and recreational activity, and fear of reinjury; and self-reported knee function in sport-specific tasks, knee-related quality of life and satisfaction with knee function. The primary outcome was returning to the preinjury sport or recreational activity. Results At follow-up, 40% (66/164) had returned to their preinjury activity. Those who returned had more positive psychological responses, reported better knee function in sport and recreational activities, perceived a higher knee-related quality of life and were more satisfied with their current knee function. The main reasons for not returning were not trusting the knee (28%), fear of a new injury (24%) and poor knee function (22%). Psychological readiness to return to sport and recreational activity, measured with the ACL-Return to Sport after Injury scale (was most strongly associated with returning to the preinjury activity). Age, sex and preinjury activity level were not related. Conclusions Less than 50% returned to their preinjury sport or recreational activity after ACL reconstruction. Psychological readiness to return to sport and recreation was the factor most strongly associated with returning to the preinjury activity. Including interventions aimed at improving this in postoperative rehabilitation programmes could be warranted to improve the rate of return to sport and recreational activities.</p>
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9.
  • Ardern, Clare, 1985-, et al. (författare)
  • Psychological Aspects of Anterior Cruciate Ligament Injuries
  • 2016
  • Ingår i: Operative techniques in sports medicine. - W B SAUNDERS CO-ELSEVIER INC. - 1060-1872 .- 1557-9794. ; 24:1, s. 77-83
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Impairment-based evaluation has, until recently, been the mainstay of orthopaedic research in anterior cruciate ligament (ACL) reconstruction. However, participation-based outcomes, in particular returning to sport, have lately garnered increased research attention. This is important because returning to sport is typically a main concern of injured athletes. Recent metaanalyses have demonstrated that the return to sport rate after ACL reconstruction is disappointingly low, and that a range of contextual factors including age, sex, sport participation level, and psychological factors may affect the return to sport rate. Moderate to large effect sizes have been demonstrated for greater psychological readiness to return to sport, and lower fear of reinjury favoring returning to the preinjury level sport after ACL reconstruction. Understanding the relationship between psychological factors and returning to sport is essential in light of the fact that most athletes recover good physical function after surgery, and many athletes with good knee function do not return to sport. Psychological factors are potentially modifiable with appropriate intervention, yet these factors are not systematically addressed in routine postoperative rehabilitation. This review summarizes the recent evidence for the relationship between psychological factors and ACL injury, including recovery from injury and returning to sport. Oper Tech Sports Med 24:77-83 Crown Copyright (C) 2015 Published by Elsevier Inc. All rights reserved.</p>
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10.
  • Ardern, Clare, et al. (författare)
  • Satisfaction With Knee Function After Primary Anterior Cruciate Ligament Reconstruction Is Associated With Self-Efficacy, Quality of Life, and Returning to the Preinjury Physical Activity
  • 2016
  • Ingår i: Arthroscopy : The Journal of Arthroscopy And Related. - W B SAUNDERS CO-ELSEVIER INC. - 0749-8063 .- 1526-3231. ; 32:8, s. 1631-1638
  • Tidskriftsartikel (refereegranskat)abstract
    • <p>Purpose: To assess whether patient-reported outcomes (psychological factors, appraisals of knee function, and physical activity participation) were associated with satisfaction with knee function after anterior cruciate ligament (ACL) reconstruction. Methods: Participants who were aged 18 to 45 years and a minimum 12 months post primary ACL reconstruction completed a questionnaire battery evaluating knee self-efficacy, knee-related quality of life, self-reported function, and physical activity participation. Participants responses to the question "If you were to spend the rest of your life with your knee just the way it has been in the last week, would you feel.... (7-point ordinal scale; 1 = happy, 7 = unhappy)" were categorized as satisfied, mostly satisfied, or dissatisfied and used as the primary outcome. Ordinal regression was used to examine associations between independent variables and the primary outcome. Results: A total of 177 participants were included at an average of 3 years after primary ACL reconstruction. At follow-up, 44% reported they would be satisfied, 28% mostly satisfied, and 28% dissatisfied with the outcome of ACL reconstruction. There were significant differences in psychological responses and appraisal of knee function between the 3 groups (P = .001), and significantly more people in the satisfied group had returned to their preinjury activity (58%) than in the mostly satisfied (28%) and dissatisfied (26%) groups (P = .001). Multivariable analysis demonstrated that the odds of being satisfied increased by a factor of 3 with higher self-efficacy, greater knee-related quality of life, and returning to the preinjury activity. Conclusions: People who had returned to their preinjury physical activity and who reported higher knee-related self-efficacy and quality of life were more likely to be satisfied with the outcome of ACL reconstruction.</p>
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