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  • 1.
    Brax-Olofsson, Lisbeth
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Svensson, Olle
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Lorentzon, Ronny
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Idrottsmedicin.
    Lindström, Inger
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Alfredson, Håkan
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Idrottsmedicin.
    Periosteal transplantation to the rabbit patella.2007Ingår i: Knee Surgery, Sports Traumatology, Arthroscopy, ISSN 0942-2056, E-ISSN 1433-7347, Vol. 15, nr 5, s. 560-563Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Autologous periosteal transplantation (without chondrocyte cell transplantation) for treating traumatic articular cartilage defects of the patella gives pain relief in uncontrolled clinical studies. To study the whole transplanted area macroscopically and microscopically, animal studies are motivated. In this pilot study, we reproduce the surgical technique for periosteum transplantation on human patella to a rabbit model. A full-thickness cartilage defect of the whole patella was created in eight adult female rabbits. The defect was treated with autologous periosteal transplantation. After surgery, the rabbits were allowed free activity. This is the difference compared to the treatment in humans, where our group uses CPM for 5 days and non-weight-bearing for 12 weeks. After 21 weeks, there was a diffuse synovitis in all transplanted knees, and in five of eight knees there were signs of osteoarthritis in the patello-femoral joint. Histologically, in three animals, small islands of hyaline cartilage surrounded by fibrocartilage were seen in the transplanted area. In the other five animals, fibrocartilage was the predominant tissue. In contrast to previous experimental studies using a rabbit model, we did not achieve hyaline cartilage resurfacing.

  • 2.
    Cöster, Maria
    et al.
    Institutionen för kliniska vetenskaper, Lunds universitet; orto-pedkliniken, Skånes universitetssjukhus Malmö; Capio Movement, Halmstad.
    Tengman, Eva
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Avdelningen för fysioterapi.
    Brax Olofsson, Lisbeth
    Rörelseorganens centrum, Norrlands universitetssjukhus, Umeå.
    Montgomery, Fredrik
    Institutionen för kliniska vetenskaper, Lunds universitet.
    Enkel senförflyttning kan ge ökad funktion vid droppfot efter stroke2021Ingår i: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 118, nr 34-35, artikel-id 21071Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Foot drop (FD) can be caused by a variety of diseases and injuries. FD leads to walking difficulties and reduced balance which also can lead to a higher risk of falling. Patient with a stroke often have an equinovarus deformity of the foot together with the DF. There is a need to optimize and standardize the treatment for patients with FD across different medical specialities. Surgical interventions, with goals of producing a balanced functional foot, have been shown to improve the function and quality of life and decrease the use of braces and walking aids in patients with FD after a CVI. In Sweden data regarding FD surgery is collected in the National Quality Registry for Foot and Ankle Surgery (Riksfot), but there is also an ongoing multicentre study, investigating the patient-reported and functional results of surgery due to FD caused by a CVI.

  • 3.
    Stensdotter, Ann-Katrin
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik. Department of Health Education and Social Work Physiotherapy, Sör-Trönderlag University College Trondheim.
    Tengman, Eva
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik.
    Brax Olofsson, Lisbeth
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Häger, Charlotte
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik.
    Deficits in single-limb stance more than 20 years after ACL injury2013Ingår i: European Journal of Physiotherapy, ISSN 2167-9169, E-ISSN 2167-9177, Vol. 15, nr 2, s. 78-85Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Aim: To investigate the long-term effect on balance during single-limb stance after unilateral anterior cruciate ligament (ACL) injury across two groups who had rehabilitation including ACL reconstruction (ACLR) or a tailored physiotherapy program (ACLTPP), compared with knee-healthy controls.

    Methods: Single-limb stance was monitored for floor-supports with the contralateral foot. Single-limb stance without floor-supports was assessed with analyses of center of pressure (CoP) for further discrimination. Comparisons were made between ACLR (n = 28) and ACLTPP (n = 28) and with controls (n = 18). The injured and uninjured legs were compared within ACL-injured subjects.

    Results: Single-limb balance was equally inferior in both ACL-injured groups and on both legs compared with knee-healthy controls. In ACLR and ACLTPP, 39% and 50%, respectively, failed to stand on one leg without floor-supports with the contralateral foot. No contralateral supports occurred in knee-healthy controls. CoP measures for subjects who stood without contralateral floor-supports did not reveal any further differences. Older age and higher body mass index (BMI) correlated with larger migration of CoP.

    Conclusion: Inability to stand without contralateral supports showed that balance in single-limb stance was inferior in ACL-injured subjects, independently of which initial treatment that was given. Age and BMI need consideration in studies assessing balance in single-limb stance.

    Förlagets fulltext
  • 4.
    Tengman, Eva
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik.
    Brax Olofsson, Lisbeth
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Nilsson, Kjell G
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Tegner, Yelverton
    Luleå tekniska universitet .
    Lundgren, Lars
    Luleå tekniska universitet.
    Häger, Charlotte
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik.
    Anterior cruciate ligament injury after more than 20 years: I. Physical activity level and knee function2014Ingår i: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 24, nr 6, s. e491-e500Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Little is known about physical activity level and knee function including jump capacity and fear of movement/reinjury more than 20 years after injury of the anterior cruciate ligament (ACL). Seventy persons with unilateral ACL injury participated (23 ± 2 years post-injury): 33 treated with physiotherapy in combination with surgical reconstruction (ACLR), and 37 treated with physiotherapy alone (ACLPT). These were compared with 33 age- and gender-matched controls. Assessment included knee-specific and general physical activity level [Tegner activity scale, International Physical Activity Questionnaire (IPAQ)], knee function [Lysholm score, Knee injury and Osteoarthritis Outcome Score (KOOS)], jump capacity (one-leg hop, vertical jump, side hops), and fear of movement/reinjury [Tampa Scale for Kinesiophobia (TSK)]. Outcomes were related to degree of osteoarthritis (OA). ACL-injured had lower Lysholm, KOOS, and Tegner scores than controls (P < 0.001), while IPAQ score was similar. ACL-injured demonstrated inferior jump capacity in injured compared with noninjured leg (6–25%,P < 0.001–P = 0.010 in the different jumps), while noninjured leg had equal jump capacity as controls. ACL groups scored 33 ± 7 and 32 ± 7 of 68 on TSK. Lower scores on Lysholm and KOOS symptom were seen for persons with moderate-to-high OA than for no-or-low OA, while there were no differences for physical activity and jump capacity. Regardless of treatment, there are still negative knee-related effects of ACL injury more than 20 years later.

    Förlagets fulltext
  • 5.
    Tengman, Eva
    et al.
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik.
    Brax Olofsson, Lisbeth
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Stensdotter, Ann-Katrin
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik. Sor-Trondelag University College, Trondheim, Norge.
    Nilsson, Kjell G
    Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap, Ortopedi.
    Häger, Charlotte
    Umeå universitet, Medicinska fakulteten, Institutionen för samhällsmedicin och rehabilitering, Sjukgymnastik.
    Anterior cruciate ligament injury after more than 20 years: II. Concentric and eccentric knee muscle strength2014Ingår i: Scandinavian Journal of Medicine and Science in Sports, ISSN 0905-7188, E-ISSN 1600-0838, Vol. 24, nr 6, s. e501-e509Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    The long-term consequences on knee muscle strength some decades after rupture of the anterior cruciate ligament (ACL) are not established. The aims of our study were to examine peak torque more than 20 years after ACL injury and to compare their knee muscle strength to that of healthy controls. We tested 70 individuals with unilateral ACL injury 23 ± 2 years after injury, whereof 33 (21 men) were treated with physiotherapy in combination with ACL reconstruction (ACLR) and 37 (23 men) with physiotherapy alone (ACLPT). These were compared with 33 age- and gender-matched controls (21 men). A Kin-Com® dynamometer (90°/s) was used to measure peak torque in knee flexion and extension in both concentric and eccentric contractions. Knee extension peak torque, concentric and eccentric, was ∼10% lower for the injured leg compared with the non-injured leg for both ACLR (P < 0.001; P < 0.001) and ACLPT (P = 0.007; P = 0.002). The ACLPT group also showed reduced eccentric knee flexion torque of the injured leg (P = 0.008). The strength of the non-injured leg in both ACL groups was equal to that of controls. No difference was seen for those with no-or-low degree of knee osteoarthritis compared to those with moderate-to-high degree of osteoarthritis. ACL injury may lead to a persistent reduction of peak torque in the injured leg, which needs to be considered across the lifespan.

    Förlagets fulltext
1 - 5 av 5
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