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Sökning: WFRF:(Karlsson Jón 1953)

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1.
  • Andersson, Jonny K, 1972, et al. (författare)
  • Cost description of clinical examination and MRI in wrist ligament injuries
  • 2018
  • Ingår i: Journal of Plastic Surgery and Hand Surgery. - : Medical Journals Sweden AB. - 2000-656X .- 2000-6764. ; 52:1, s. 30-36
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The total number and cost of wrist MRIs in the catchment area of the Vastra Gotaland Region in Sweden (population 1 723 000) during 1 year was analysed, together with the number and content of referrals. Methods: Six radiology departments reported the numbers and rate of all MRI investigations intended to diagnose wrist ligament injuries (n=411) and other injuries to the wrist. Results: The additional cost of the difference between MRIs and a clinical examination by a hand surgeon, plus indirect costs for patients with suspected wrist ligament injuries, was calculated as 957 000 euros. Conclusions: It is recommended that MRI should only be used in patients in whom there are clinical difficulties in terms of diagnosing wrist ligament injuries. It is suggested that patients with suspected wrist ligament injuries should be referred directly to an experienced hand surgeon, capable of performing a standardised wrist examination and, when needed, diagnostic arthroscopy and final treatment. The proposed algorithm for the diagnosis and treatment of suspected wrist ligament injuries presented in the present study could save time for the patient and for the radiology departments, as well as reducing costs. The ability to implement the early and appropriate treatment of acute ligament injuries could be improved at the same time.
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2.
  • Andersson, Jonny K, 1972, et al. (författare)
  • Distal radio-ulnar joint instability in children and adolescents after wrist trauma.
  • 2014
  • Ingår i: Journal of Hand Surgery, European Volume. - : SAGE Publications. - 1753-1934 .- 2043-6289. ; 39:6, s. 653-661
  • Tidskriftsartikel (refereegranskat)abstract
    • This study retrospectively evaluated the medical records and radiographs of patients younger than aged 25 that were referred for a second opinion due to ulnar-sided wrist pain and persistent distal radio-ulnar (DRU) joint instability. We identified 85 patients with a major wrist trauma before the age of 18. Median age at trauma was 14 years. Median time between trauma and diagnosis of DRUJ instability was 3 years. Sixty-seven patients (79%) had sustained a fracture at the initial trauma. The two most common skeletal injuries related to the DRUJ instability were Salter-Harris type II fractures (24%) and distal radius fractures (19%). In 19 patients (22%), the secondary DRUJ instability was caused by malunion or growth arrest. Eighteen patients (21%) had no fracture; in spite of this, they presented with subsequent symptomatic DRUJ instability. Fourteen of these 18 patients had a triangular fibrocartilage complex (TFCC) tear, confirmed by arthroscopy, open surgery, or magnetic resonance imaging. In conclusion, late DRUJ instability due to wrist fractures or isolated TFCC tears was found to be common in children and adolescents.Level of evidence: IV.
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3.
  • Andersson, Jonny K, 1972, et al. (författare)
  • Efficacy of Magnetic Resonance Imaging and Clinical Tests in Diagnostics of Wrist Ligament Injuries: A Systematic Review.
  • 2015
  • Ingår i: Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association. - : Elsevier BV. - 1526-3231. ; 31:10
  • Tidskriftsartikel (refereegranskat)abstract
    • To investigate the diagnostic performance of magnetic resonance imaging (MRI) and clinical provocative tests on injuries to the triangular fibrocartilage complex (TFCC), the scapholunate (SL) ligament, and the lunotriquetral (LT) ligament.
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4.
  • Andersson, Jonny K, 1972, et al. (författare)
  • Patients with triangular fibrocartilage complex injuries and distal radioulnar joint instability have reduced rotational torque in the forearm.
  • 2016
  • Ingår i: The Journal of hand surgery, European volume. - : SAGE Publications. - 2043-6289. ; 41:7, s. 732-8
  • Tidskriftsartikel (refereegranskat)abstract
    • A total of 20 patients scheduled for wrist arthroscopy, all with clinical signs of rupture to the triangular fibrocartilage complex and distal radioulnar joint instability, were tested pre-operatively by an independent observer for strength of forearm rotation. During surgery, the intra-articular pathology was documented by photography and also subsequently individually analysed by another independent hand surgeon. Arthroscopy revealed a type 1-B injury to the triangular fibrocartilage complex in 18 of 20 patients. Inter-rater reliability between the operating surgeon and the independent reviewer showed absolute agreement in all but one patient (95%) in terms of the injury to the triangular fibrocartilage complex and its classification. The average pre-operative torque strength was 71% of the strength of the non-injured contralateral side in pronation and supination. Distal radioulnar joint instability with an arthroscopically verified injury to the triangular fibrocartilage complex is associated with a significant loss of both pronation and supination torque.
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5.
  • Caesar, Ulla, 1964, et al. (författare)
  • Delayed and cancelled orthopaedic surgery; are there solutions to reduce the complex set of problems? A systematic literature review.
  • 2021
  • Ingår i: International journal of clinical practice. - : Hindawi Limited. - 1742-1241 .- 1368-5031. ; 75:9
  • Tidskriftsartikel (refereegranskat)abstract
    • Unexpected cancellations of, and delays to, orthopaedic surgery have adverse effects, with a negative impact on hospital performance and undesirable patient outcomes. As cancellations and delays are common, finding measures to prevent them is a matter of urgency.The present systematic review conducted following the Preferred Reporting Items for Systematic reviews and Meta-Analyses guidelines and the Cochrane Handbook. Peer-reviewed studies reporting on cancellations or delays in patients requiring emergency orthopaedic or planned orthopaedic surgery that compared care action/intervention with no action or traditional care were included. The Grading of Recommendations Assessment, Development and Evaluation used to assess the quality of evidence of the results from the included studies. The objective of the present study was systematically to search and review the literature for qualitative evidence of factors that might reduce cancellations of and delays to orthopaedic surgical procedures.The electronic search yielded 1209 studies and eight articles were included in the performed quality assessment. The heterogeneity of the studies and the lack of calculations and statistics in the studies resulted in no meta-analysis. The result of the quality assessment indicated that the evidence ranked from low to very low across the different outcomes. The main limiting factor, which was the reason for a decrease in quality in some outcomes, was the study designs, which were non-randomised control or retrospective approach. The interventions in the included studies could help to support a reduction in the risk of cancelled and delayed orthopaedic procedures.This systematic literature review has revealed important evidence to help reduce the risk of cancelled and delayed orthopaedic procedures associated with a variety of care action exposures. They include a fast-track pathway, pre-operative guidelines and telephone contact with patients prior to surgery, as well as careful consideration of additional pre-operative tests.
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6.
  • Einarsson, Fredrik, 1968, et al. (författare)
  • Muscle biopsies from the supraspinatus in retracted rotator cuff tears respond normally to passive mechanical testing: a pilot study
  • 2011
  • Ingår i: Knee surgery, sports traumatology, arthroscopy. - : Springer Science and Business Media LLC. - 1433-7347 .- 0942-2056. ; 19:3, s. 503-507
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: The aim of the present study was to assess the function of the isolated muscle component in retracted rotator cuff tears. METHODS: Muscle biopsies were harvested from the supraspinatus and the ipsilateral deltoid in seven patients undergoing surgery for a large, retracted rotator cuff tear. Single fibres and fibre bundles were subjected to passive stretching in vitro with subsequent recordings of tension and sarcomere lengths using the laser diffraction technique. Stress-strain curves were plotted, and the elastic modulus was calculated for all preparations. Morphology was evaluated with regard to collagen fraction, ratio between fast and slow fibres, fibre size and fibre size variability using standard staining techniques. RESULTS: Intra-individual comparisons of the stress-strain curves showed a high degree of conformity in terms of both shape and tangent values, and there were no statistically significant differences in the elastic modulus for single fibres and bundles in the deltoid and supraspinatus muscles, respectively, supported by the analysis of the observed confidence interval of the differences between the paired values of the elastic modulus. There were no differences in collagen content, fibre size and ratio between fast and slow fibres in the deltoid and supraspinatus muscles, respectively. CONCLUSION: We conclude that muscle biopsies from the supraspinatus in retracted rotator cuff tears respond normally to mechanical testing in vitro.
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7.
  • Ghassemi Jahani, Shadi A, et al. (författare)
  • Health-related quality of life and function in middle-aged individuals with thalidomide embryopathy.
  • 2016
  • Ingår i: Journal of children's orthopaedics. - : SAGE Publications. - 1863-2521 .- 1863-2548. ; 10:6, s. 691-703
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of this study was to evaluate the effect of limb malformations on health-related quality of life (HRQL) and function of the extremities in middle-aged individuals with thalidomide embryopathy (TE). Between 1959 and 1962, approximately 150 children with multiple malformations were born in Sweden following the maternal intake of thalidomide during pregnancy, of whom 100 survived.Thirty-one individuals with TE underwent evaluations of musculoskeletal manifestations by clinical examination. Validated questionnaires were used for the assessment of general HRQL [the 36-Item Short Form Health Survey (SF-36) and the EuroQ Five Dimensions health questionnaire (EQ-5D)]. The function of the upper and lower extremities was evaluated using specific questionnaires (Disabilities of the Arm, Shoulder and Hand scale and Rheumatoid and Arthritis Outcome Score, respectively). The lower limbs were evaluated by computed tomography. The median age of the study group was 46years, and 42% were females. Twenty-five individuals had malformations of the hand, but 27 had a grip function. Five individuals had severe lower limb malformations. Individuals with at least one extremity with major malformation(s) that affected function (n=15) were compared with those without (n=16).The physical HRQL for the entire study group [mean 40.6, 95% confidence interval (CI) 35.4-45.8], as evaluated by the Physical Composite Score (PCS) of the SF-36, was significantly lower than the national norm value (population-based norm) of 50.0, and the physical HRQL of the subgroup with major limb malformations (15/31) was even lower (mean 34.6, 95% CI 25.9-43.4). The mental aspects of HRQL, based on SF-36 and EQ-5D scores, were not affected in the entire study group or in the subgroups.The physical quality of life was significantly lower in individuals with TE compared with the general national population, while the mental aspects were not affected.IV.
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9.
  • Ghassemi Jahani, Shadi A, et al. (författare)
  • Middle-aged individuals with thalidomide embryopathy have undergone few surgical limb procedures and demonstrate a high degree of physical independence
  • 2017
  • Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 12:10
  • Tidskriftsartikel (refereegranskat)abstract
    • Background Thalidomide is known to have induced thalidomide embryopathy (TE) in more than 10,000 live-born children worldwide between 1957-1962. The aim of this study was to investigate the need for orthopaedic surgery and limb orthosis in relation to function and physical independence in middle-aged individuals with TE. 13 women/18 men with a mean age of 45.8 (SD 1.1) years were included. Information about limb surgery, the use of orthotic devices, jobs, accommodation, disability adjustments and personal assistants was collected. Physical function was measured by a modified general function score. The time needed for activities of daily living (ADL) was collected. Individuals with proximal focal femoral deficiency, PFFD, and participants in need of home or work adaptations were compared with the rest of the group. 31 surgical procedures had been performed in the extremities. Three individuals were in need of personal assistance and seven had disability-adjusted homes. 28 individuals were working and 24 reported participation in exercises. Those with PFFD had significantly lower function score and needed a significantly longer time for ADL in the morning (p = 0.001 and p = 0.032). The group in need of home or work adjustments had significantly lower function score and needed longer time for morning ADL (p = 0.012 and p = 0.009). Few orthopaedic procedures had been performed. The TE individuals except the ones with PFFD and those in the need of disability adjustments, were mostly active workers, reported good physical function and participated in exercises, despite limb malformations.
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10.
  • Michels, F., et al. (författare)
  • Searching for consensus in the approach to patients with chronic lateral ankle instability: ask the expert
  • 2018
  • Ingår i: Knee Surgery Sports Traumatology Arthroscopy. - : Springer Science and Business Media LLC. - 0942-2056 .- 1433-7347. ; 26:7, s. 2095-2102
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this study is to propose recommendations for the treatment of patients with chronic lateral ankle instability (CAI) based on expert opinions. A questionnaire was sent to 32 orthopaedic surgeons with clinical and scientific experience in the treatment of CAI. The questions were related to preoperative imaging, indications and timing of surgery, technical choices, and the influence of patient-related aspects. Thirty of the 32 invited surgeons (94%) responded. Consensus was found on several aspects of treatment. Preoperative MRI was routinely recommended. Surgery was considered in patients with functional ankle instability after 3-6 months of non-surgical treatment. Ligament repair is still the treatment of choice in patients with mechanical instability; however, in patients with generalized laxity or poor ligament quality, lateral ligament reconstruction (with grafting) of both the ATFL and CFL should be considered. Most surgeons request an MRI during the preoperative planning. There is a trend towards earlier surgical treatment (after failure of non-surgical treatment) in patients with mechanical ligament laxity (compared with functional instability) and in high-level athletes. This study proposes an assessment and a treatment algorithm that may be used as a recommendation in the treatment of patients with CAI.
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11.
  • Snaebjörnsson, Thorkell, 1982, et al. (författare)
  • Graft Diameter and Graft Type as Predictors of Anterior Cruciate Ligament Revision: A Cohort Study Including 18,425 Patients from the Swedish and Norwegian National Knee Ligament Registries
  • 2019
  • Ingår i: The Journal of bone and joint surgery. American volume. - 1535-1386. ; 101:20, s. 1812-1820
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: It is important to investigate and compare graft diameters as well as graft types to identify risk factors for revision after an anterior cruciate ligament (ACL) reconstruction. We performed the current study in order to analyze the early ACL revision rate among patients treated with hamstring tendon (HT) autografts or patellar tendon (PT) autografts of different diameters. Our hypothesis was that an increase in both HT and PT autograft diameters would reduce the risk of early ACL revision. METHODS: This retrospective study was based on prospectively collected data from the national knee ligament registries of Norway and Sweden and included patients who underwent primary ACL reconstruction during the period of 2004 through 2014. The primary end point was the 2-year incidence of ACL revision. The impact of graft type and diameter on the incidence of revision surgery was reported as relative risks (RRs) with 95% confidence intervals (CIs), estimated by using generalized linear models with a binomial distribution and log-link function. RESULTS: Of 58,692 patients identified, a total of 18,425 patients were included in this study. The 2-year rate of ACL revision was 2.10% (PT autografts, 2.63%; HT autografts, 2.08%; RR = 0.93 [95% CI = 0.60 to 1.45]). There was an increased risk of ACL revision among patients treated with HT autografts with a diameter of <8 mm compared with larger HT autografts (RR = 1.25 [95% CI = 1.01 to 1.57]). Patients treated with HT autografts with a diameter of ≥9.0 mm or ≥10.0 mm had a reduced risk of early ACL revision compared with patients treated with PT autografts. CONCLUSIONS: Patients treated with larger-diameter HT autografts had a lower risk of early ACL revision compared with those treated with HT autografts of <8 mm. Patients treated with HT autografts of ≥9 or ≥10 mm had a reduced risk of early ACL revision compared with patients treated with PT autografts. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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12.
  • Sundemo, David, et al. (författare)
  • Generalised joint hypermobility increases ACL injury risk and is associated with inferior outcome after ACL reconstruction: A systematic review
  • 2019
  • Ingår i: BMJ Open Sport and Exercise Medicine. - : BMJ. - 2055-7647. ; 5:1
  • Forskningsöversikt (refereegranskat)abstract
    • Objectives To investigate the association between generalised joint hypermobility (GJH) and ACL injury risk. Secondary aims involved evaluating associations between GJH and postoperative outcome (including graft-failure risk, knee laxity and patient-reported outcome). Furthermore, we aimed to compare the performance of different grafts in patients with GJH. Methods Databases MEDLINE/PubMed, EMBASE and the Cochrane Library were searched, including 2760 studies. Two reviewers independently screened studies for eligibility. A modified version of the MINORS score was applied for quality appraisal. Studies assessing GJH while reporting the risk of ACL injury and/or postoperative outcome were included. Results Twenty studies were included, using several different methods to determine GJH. There was consistent evidence showing that GJH is a risk factor for unilateral ACL injury in males, while in females, the results were conflicting. There was limited evidence associating GJH with increased knee laxity 5 years postoperatively. There was consistent evidence of inferior postoperative patient-reported outcome in patients with GJH. Moreover, there was limited yet consistent evidence indicating that patellar-tendon autografts are superior to hamstring-tendon autografts in patients with GJH in terms of knee laxity and patient-reported outcome. There was insufficient evidence to draw conclusions regarding the outcomes of bilateral ACL injury and graft failure. Conclusions In men, GJH was associated with an increased risk of unilateral ACL injury. Moreover, GJH was associated with greater postoperative knee laxity and inferior patient-reported outcome. Based on the available evidence, a patellar-tendon autograft appears to be superior to a hamstring-tendon autograft in patients with GJH. However, the included studies were heterogeneous and there is a need for consensus in the assessment of GJH within sports medicine. © Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.
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14.
  • Söderpalm, Ann-Charlott, 1961, et al. (författare)
  • Bone mass development in patients with Duchenne and Becker muscular dystrophies: a 4-year clinical follow-up
  • 2012
  • Ingår i: Acta Paediatrica. - : Wiley-Blackwell. - 0803-5253 .- 1651-2227. ; 101:4, s. 424-432
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: To investigate the longitudinal development of bone mass in patients with Duchenne and Becker muscular dystrophies and to study the impact of muscle strength and motor function on bone mass in these patients. less thanbrgreater than less thanbrgreater thanMethods: Eighteen patients with Duchenne muscular dystrophy (2.3-19.7 years at baseline) and six patients with the milder Becker muscular dystrophy (10.8-18.9 years at baseline) were followed during a 4-year period with respect to areal bone mineral density (BMD), motor function and muscle strength. less thanbrgreater than less thanbrgreater thanResults: Greater bone mineral accretion was observed in the Becker patient group compared with the age-related Duchenne group above 10 years of age, and the older patients with Duchenne experienced decreased femoral neck BMD during the study period. In the study group, significant correlations were found between BMD in the lower extremities and muscle function parameters. less thanbrgreater than less thanbrgreater thanConclusions: The differences in BMD between patients with Duchenne and Becker as well as between different bone measurement sites demonstrated in the present study point out the importance of preserving muscle strength and motor function in patients with muscular dystrophy. Moreover; it highlights the value of performing region-specific analysis of the bone quality in these patients.
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17.
  • Söderpalm, Ann-Charlott, 1961, et al. (författare)
  • Low bone mineral density and decreased bone turnover in Duchenne muscular dystrophy
  • 2007
  • Ingår i: Neuromuscular Disorders. - : Elsevier BV. - 0960-8966 .- 1873-2364. ; 17:11-12, s. 919-928
  • Tidskriftsartikel (refereegranskat)abstract
    • This cross-sectional study examined bone mineral density, bone turnover, body composition and calciotropic hormones in 24 boys with Duchenne muscular dystrophy (DMD) (2.3-19.7 years), most of whom were being treated with prednisolone, and 24 age-matched healthy boys. Our study demonstrated lower bone mineral density in the DMD group for total body, spine, hip, heel and forearm measurements. These differences between DMD patients and controls increased with increasing age. Biochemical markers of both bone formation and resorption revealed reduced bone turnover in DMD patients. The fracture rate was not higher in DMD patients. The DMD group had low vitamin D levels but high leptin levels in comparison with the control group. Muscle strength correlated with bone mineral density assessed at the hip and heel in the DMD group. Interventions that increase bone formation should be considered, as DMD patients have reduced bone turnover in addition to their low bone mineral density. © 2007 Elsevier B.V. All rights reserved.
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18.
  • Söderpalm, Ann-Charlott, 1961, et al. (författare)
  • Whole body vibration therapy in patients with Duchenne muscular dystrophy - A prospective observational study
  • 2013
  • Ingår i: Journal of Musculoskeletal and Neuronal Interactions - JMNI. - : International Society of Musculoskeletal and Neuronal Interactions. - 1108-7161. ; 13:1, s. 13-18
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVES:To study the tolerability of whole body vibration (WBV) exercise in patients with Duchenne muscular dystrophy (DMD) and its effects on muscle and bone.METHODS:WBV was performed two to three times a week for three months. Motor function, muscle strength, bone mass and biochemical markers of bone and mineral metabolism were analyzed before and after the WBV period at 0, 3, 6 and 12 months.RESULTS:Six ambulatory patients with DMD aged 5.7-12.5 years completed the study. No changes in creatine kinase activity were found, indicating that the WBV exercise did not further damage the skeletal muscle. No significant changes in bone mass, muscle strength or bone markers were found. However, there was a non-significant trend for the bone formation marker, bone-specific alkaline phosphate, to increase from a mean of 59 U/L to 73 U/L after three months of WBV. The bone formation marker levels returned to baseline three months after discontinuing WBV and were still at that level after nine months.CONCLUSIONS:WBV therapy appears to be safe and well tolerated among ambulatory DMD patients. The potential benefits of WBV on bone and muscle in DMD remain to be elucidated.
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19.
  • Abrahamson, Josefin, et al. (författare)
  • Adolescent elite skiers with and without cam morphology did change their hip joint range of motion with 2 years follow-up
  • 2019
  • Ingår i: Knee Surgery, Sports Traumatology, Arthroscopy. - : Springer Science and Business Media LLC. - 0942-2056 .- 1433-7347. ; 27:10, s. 3149-3157
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: To investigate how range of motion of the hips and the lumbar spine are affected by continued elite, alpine skiing in young subjects, with and without a magnetic resonance imaging verified cam morphology, in a 2-year follow-up study. The hypothesis is that skiers with cam morphology will show a decrease in hip joint range of motion as compared with skiers without cam, after a 2-year follow-up. Method: Thirty adolescent elite alpine skiers were examined at the baseline (mean age 17.3 ± 0.7 years) and after 2 years. All skiers were examined for the presence of cam morphology (α-angle > 55°) using magnetic resonance imaging at the baseline. Clinical examinations of range of motion in standing lumbar flexion and extension, supine hip flexion, internal rotation, FABER test and sitting internal rotation and external rotation were performed both at the baseline and after 2 years. Results: Skiers with and without cam morphology showed a significant decrease from baseline to follow-up in both hips for supine internal rotation (right: mean − 13.3° and − 10.9° [P < 0.001]; left: mean − 7.6° [P = 0.004] and − 7.9° [P = 0.02]), sitting internal rotation (right: mean − 9.6° and − 6.3° [P < 0.001]; left: mean − 7.6° [P = 0.02] and − 3.3° [P = 0.008]) and sitting external rotation (right: mean − 16.9° and − 11.4° and left: mean − 17.9° and − 14.5° [P < 0.001]) and were shown to have an increased left hip flexion (mean + 8.4° and + 4.6° [P = 0.004]). Skiers with cam were also shown to have an increased right hip flexion (mean + 6.4° [P = 0.037]). Differences were found between cam and no-cam skiers from baseline to follow-up in the sitting internal rotation in both hips (right: mean 3.25°, left: mean 4.27° [P < 0.001]), the right hip flexion (mean 6.02° [P = 0.045]) and lumbar flexion (mean − 1.21°, [P = 0.009]). Conclusion: Young, elite alpine skiers with cam morphology decreased their internal rotation in sitting position as compared with skiers without the cam morphology after 2 years of continued elite skiing. Level of evidence: II.
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20.
  • Abrahamson, Josefin, et al. (författare)
  • Hip pain and its correlation with cam morphology in young skiers-a minimum of 5 years follow-up
  • 2020
  • Ingår i: Journal of Orthopaedic Surgery and Research. - : Springer Science and Business Media LLC. - 1749-799X. ; 15:1
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundThere is conflicting evidence regarding the association between cam morphological changes and hip pain, and it remains unclear who with cam morphology will develop hip pain and who will not. This study aimed to investigate the correlation between cam morphology, hip pain, and activity level at a 5-year follow-up in young Alpine and Mogul skiers.MethodAll students (n = 76) at angstrom re Ski National Sports High School were invited and accepted participation in this prospective study at baseline. Magnetic resonance imaging (MRI) of both hips was conducted to evaluate the presence of cam morphology (alpha -angle >= 55 degrees) and its size alongside the reporting of hip pain, type, and frequency of training by the Back and hip questionnaire, at baseline. After 5 years, the skiers were invited to complete a shortened version of the same questionnaire.ResultsA total of 60 skiers (80%) completed the follow-up questionnaire, of which 53 had concomitant MRI data. Cam morphology was present in 25 skiers (47.2%, 39 hips). Hip pain at baseline and at follow-up was reported in 17 (28.3%) and 22 (36.7%) skiers, respectively. No correlations were found between the activity level, the frequency, and the size of cam morphology and hip pain, except for the right hip alpha -angle at 1 o'clock and hip pain in skiers with cam morphology at baseline (r(s) = 0.49; P = 0.03) and at follow-up (r(s) = 0.47; P = 0.04). A total of 73.3% skiers had retired, of which 48% reported this was due to injuries.ConclusionHip pain was not shown to be correlated, or had a low correlation, with activity level and the presence and size of cam morphology in young skiers on a 5-year follow-up. Based on these results, cam morphology or activity level did not affect hip pain to develop during 5 years of follow-up in young skiers. Furthermore, this study highlights that almost 75% of young elite skiers had retired from their elite career with almost 50% reporting that this was due to injuries sustained from skiing.
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21.
  • Abrahamson, Josefin, et al. (författare)
  • Horseback riding is common among female athletes who had arthroscopic treatment for femoroacetabular impingement syndrome
  • 2021
  • Ingår i: Translational Sports Medicine. - : Hindawi Limited. - 2573-8488. ; 4:4, s. 500-507
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose was to investigate pre-operative symptoms and types of sport in competitive athletes undergoing arthroscopic treatment for femoroacetabular impingement syndrome (FAIS), and to compare between genders. Competitive athletes planned for arthroscopic treatment for FAIS were included prospectively in a hip arthroscopy registry. A total of 1548 athletes were identified and 919 were included. Sporting activity and patient-reported outcome measures (PROMs), including HSAS, iHOT-12, and HAGOS, were recorded, pre-operatively. The study comprised 738 male and 181 female athletes (median age 25; interquartile range 20-32 years) who had undergone arthroscopic treatment for FAIS. The most common sports type performed by males were football (48%) and ice hockey (19%) and in females, football (25%) and horseback riding (22%). Females reported a significantly longer duration of symptoms (median 36 vs 24 months) and lower pre-operative scores for the iHOT-12 and all the HAGOS subscales, except for physical activity. In conclusion, horseback riding and football are almost equally common in female athletes, while football is by far the most common in male athletes, who underwent arthroscopic treatment for FAIS. Females had a longer duration of symptoms and a higher degree of self-reported symptoms and dysfunction prior to the hip arthroscopy.
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22.
  • Abrahamson, Josefin, et al. (författare)
  • Low rate of high-level athletes maintained a return to pre-injury sports two years after arthroscopic treatment for femoroacetabular impingement syndrome
  • 2020
  • Ingår i: Journal of Experimental Orthopaedics. - : Springer Science and Business Media LLC. - 2197-1153. ; 7:1
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: The aim was to investigate the rate of athletes still active at their pre-injury sports level two years after arthroscopic treatment for femoroacetabular impingement syndrome (FAIS), and examine this between different sports and gender, and its correlation to patient-reported outcome measures (PROMs). Method: High-level athletes planned for arthroscopic treatment for FAIS were included prospectively in a Swedish hip arthroscopy registry between 2011 and 2017, and 717 met the inclusion criteria. Self-reported sporting activity was recorded preoperatively. The subjects answered PROMs, including the HSAS, iHOT-12 and HAGOS pre- and postoperatively. Results: A total of 551 athletes (median age 26, interquartile range 20–34 years; 23% women) had completed follow-up PROMs, at mean 23.4 ± 7.2 months postoperatively. In total, 135 (24.5%) were active at their pre-injury level of sports at follow-up (RTSpre). Athletes ≤30 years at time of surgery (n = 366; median age 22 years) had higher rate of RTSpre (31.4%) compared with athletes > 30 years (n = 185; median age 40 years) (10.8%; p < 0.001). All athletes had improvements in iHOT-12 and HAGOS, two years postoperatively (p < 0.001), while RTSpre athletes reported significantly better PROMs, pre- and postoperatively, and had greater improvements two years postoperatively, compared with athletes not active at pre-injury level. Conclusion: Only 25% of all high-level athletes and 31% of athletes ≤30 years were still active at their pre-injury sports level two years after arthroscopic treatment for FAIS. Athletes still active had significantly and clinically greater improvement regarding hip symptoms, function and quality of life, as compared with athletes not active at pre-injury level, two years postoperatively. © 2020, The Author(s).
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23.
  • Agnvall, C., et al. (författare)
  • Range of Hip Joint Motion Is Correlated With MRI-Verified Cam Deformity in Adolescent Elite Skiers
  • 2017
  • Ingår i: Orthopaedic Journal of Sports Medicine. - : SAGE Publications. - 2325-9671. ; 5:6
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Radiologically verified cam-type femoroacetabular impingement (FAI) has been shown to correlate with reduced internal rotation, reduced passive hip flexion, and a positive anterior impingement test. Purpose: To validate how a clinical examination of the hip joint correlates with magnetic resonance imaging (MRI)-verified cam deformity in adolescents. Methods: The sample group consisted of 102 adolescents with the mean age 17.7 +/- 1.4 years. The hip joints were examined using MRI for measurements of the presence of cam (alpha-angle >55) and clinically for range of motion (ROM) in both supine and sitting positions. The participants were divided into a cam and a noncam group based on the results of the MRI examination. Passive hip flexion, internal rotation, anterior impingement, and the FABER (flexion, abduction, and external rotation) test were used to test both hips in the supine position. With the participant sitting, the internal/external rotation of the hip joint was measured in 3 different positions of the pelvis (neutral, maximum anteversion, and retroversion) and lumbar spine (neutral, maximum extension, and flexion). Results: Differences were found between the cam and noncam groups in terms of the anterior impingement test (right, P = .010; left, P = .006), passive supine hip flexion (right: mean, 5; cam, 117; noncam, 122 [P = .05]; and left: mean, 8.5; cam, 116; noncam, 124.5 [P = .001]), supine internal rotation (right: mean, 4.9; cam, 24; noncam, 29 [P = .022]; and left: mean, 4.8; cam, 26; noncam, 31 [P = .028]), sitting internal rotation with the pelvis and lumbar spine in neutral (right: mean, 7.95; cam, 29; noncam, 37 [P = .001]; and left: mean, 6.5; cam, 31.5; noncam, 38 [P = .006]), maximum anteversion of the pelvis and extension of the lumbar spine (right: mean, 5.2; cam, 20; noncam, 25 [P = .004]; and left: mean, 5.85; cam, 20.5; noncam, 26.4 [P = .004]), and maximum retroversion of the pelvis and flexion of the spine (right: mean, 8.4; cam, 32.5; noncam, 41 [P = .001]; and left: mean, 6.2; cam, 36; noncam, 42.3 [P = .012]). The cam group had reduced ROM compared with the noncam group in all clinical ROM measures. Conclusion: The presence of cam deformity on MRI correlates with reduced internal rotation in the supine and sitting positions, passive supine hip flexion, and the impingement test in adolescents.
  •  
24.
  • Ahldén, Mattias, et al. (författare)
  • A Prospective Randomized Study Comparing Double- and Single-Bundle Techniques for Anterior Cruciate Ligament Reconstruction.
  • 2013
  • Ingår i: American Journal of Sports Medicine. - : SAGE Publications. - 0363-5465 .- 1552-3365. ; 41:11, s. 2484-2491
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND:The aim of the study was to compare the results after arthroscopic anterior cruciate ligament (ACL) reconstruction using either the double-bundle or single-bundle technique with hamstring tendon autografts in an unselected group of patients. HYPOTHESIS:Double-bundle ACL reconstruction will render a better outcome on the pivot-shift test. STUDY DESIGN:Randomized controlled trial; Level of evidence, 1. METHODS:A randomized series of 103 patients (33 women, 70 men; median age, 27 years; range, 18-52 years) with a unilateral ACL rupture underwent anatomic ACL reconstruction. The double-bundle technique was used in 53 patients, and the single-bundle technique was used in 50 patients. The ACL footprint was visualized, and the femoral tunnel was drilled through the anteromedial portal; interference screw fixation was used at both ends. The patients were examined preoperatively and at a median of 26 months (range, 22-42 months) after the reconstruction by a blinded observer. The primary variable was the pivot-shift test. RESULTS:At 2-year follow-up, 98 patients (93%) were examined. Clinical assessments at follow-up revealed no significant differences between the double-bundle and single-bundle groups in terms of the pivot-shift test, KT-1000 arthrometer laxity measurements, manual Lachman test, range of motion, Lysholm knee scoring scale, Tegner activity scale, Knee Injury and Osteoarthritis and Outcome Score (KOOS), 1-legged hop test, and square hop test. A significant improvement was seen in both groups compared with the preoperative values in terms of most clinical assessments. CONCLUSION:In this prospective randomized study, the primary variable, the pivot-shift test, and other subjective and objective outcome variables revealed no significant differences between the double-bundle and single-bundle techniques at 2 years after ACL reconstruction in an unselected group of patients.
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25.
  •  
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