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- Cornefjord, Michael, et al.
(författare)
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Posterior atlanto-axial fusion with the Olerud cervical fixation system for odontoid fractures and C1-C2 instability in reumathoid arthritis
- 2003
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Ingår i: European spine journal. - : Springer Science and Business Media LLC. - 0940-6719 .- 1432-0932. ; 12:1, s. 91-96
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Tidskriftsartikel (refereegranskat)abstract
- In posterior C1-C2 fusion, traditional wire fixation gives poor stability. The bone quality is often insufficient to provide the competent structural bone graft that is required, and the introduction of sublaminar wires is somewhat dangerous. The stability is markedly improved by adding transarticular screws, but the drawbacks of structural bone graft and sublaminar wires remain. The C1 claw of the Olerud Cervical Fixation System improves C1-C2 fixation without relying on structural bone graft or compromising the spinal canal. The aim of this study was to evaluate radiological healing and possible complications in a consecutive series of C1-C2 fusions from our department operated with the C1 claw device. Twenty-six patients (14 women) with a mean age of 73 (range 37-93) years were included. The diagnoses were odontoid fracture in 18 patients, rheumatoid instability in 6, and odontoid non-union and os odontoideum in 1 each. The patients were followed clinically and with plain radiographs for an average of 15 (range 3-27) months. There were no neurological or vascular complications, and no secondary displacements or reoperations in the series. Twenty patients followed for 6-27 months were radiographically healed. Six patients died from unrelated causes 1-38 months postoperatively. Three of these patients had no radiographs later than the postoperative control, one had a healed odontoid fracture but resorbed bone graft at 8 months, while the remaining two patients were not healed, but showed no signs of healing disturbance at the time of death. On the basis of the findings of this study, posterior C1-C2 fusion with the Olerud Cervical Fixation System seems promising. No serious complications related to the surgical procedure were encountered. The stability of the implant obviates the use of a solid bone block as a graft and still allows a high frequency of fusion healing.
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- Johansson, Ann-Christin, et al.
(författare)
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Clinic-based training in comparison to home-based training after first-time lumbar disc surgery : a randomised controlled trial
- 2009
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Ingår i: European spine journal. - : Springer Science and Business Media LLC. - 0940-6719 .- 1432-0932. ; 18:3, s. 398-409
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Tidskriftsartikel (refereegranskat)abstract
- The effectiveness of physiotherapy after first-time lumbar disc surgery is still largely unknown. Studies in this field are heterogeneous and behavioural treatment principles have only been evaluated in one earlier study. The aim of this randomised study was to compare clinic-based physiotherapy with a behavioural approach to a home-based training programme regarding back disability, activity level, behavioural aspects, pain and global health measures. A total of 59 lumbar disc patients without any previous spine surgery or comorbidity participated in the study. Clinic-based physiotherapy with a behavioural approach was compared to home-based training 3 and 12 months after surgery. Additionally, the home training group was followed up 3 months after surgery by a structured telephone interview evaluating adherence to the exercise programme. Outcome measures were: Oswestry Disability Index (ODI), physical activity level, kinesiophobia, coping, pain, quality of life and patient satisfaction. Treatment compliance was high in both groups. There were no differences between the two groups regarding back pain disability measured by ODI 3 and 12 months after surgery. However, back pain reduction and increase in quality of life were significantly higher in the home-based training group. The patients in the clinic-based training group had significantly higher activity levels 12 months after surgery and were significantly more satisfied with physiotherapy care 3 months after surgery compared to the home-based training group. Rehabilitation after first-time lumbar disc surgery can be based on home training as long as the patients receive both careful instructions from a physiotherapist and strategies for active pain coping, and have access to the physiotherapist if questions regarding training arise. This might be a convenient treatment arrangement for most patients.
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- Johansson, Ann-Christin, et al.
(författare)
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Pain, disability and coping reflected in the diurnal cortisol variability in patients scheduled for lumbar disc surgery
- 2008
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Ingår i: European Journal of Pain. - Amsterdam : Elsevier. - 1090-3801 .- 1532-2149. ; 12:5, s. 633-640
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Tidskriftsartikel (refereegranskat)abstract
- Background: Symptoms of lumbar disc herniation can be induced by both mechanical compression of the nerve roots and by biochemical irritants from the disc tissues. Proinflammatory cytokines, as well as stress are potent stimulators of the hypothalamic–pituitary–adrenal axis, reflected in enhanced release of cortisol from the adrenal cortex. Altered cortisol production is also associated to behaviour and coping patterns.The aim of the present study was to explore the relation between pain, physical function, psychosocial factors and quality of life to the diurnal cortisol variability, in patients with lumbar disc herniation.Method: This study had a cross-sectional design. Forty-two patients with lumbar disc herniation, verified by magnetic resonance imaging and a clinical examination by an orthopaedic surgeon, were included in the study. All patients were scheduled for disc surgery. The diurnal cortisol variability was examined before surgery. The patients were dichotomised into two groups based on low or high diurnal cortisol variability. Pain, disability, work related stress, quality of life, coping and fear avoidance beliefs, were estimated by standardised questionnaires.Results: The low diurnal cortisol variability group was distinguished by a higher median score regarding leg pain at activity and significantly more disability (p < 0.05). The patients with a low diurnal cortisol variability had significantly lower coping self-statement scores, but higher pain coping catastrophising scores (p < 0.05).Conclusion: Patients with lumbar disc herniation and a low diurnal cortisol variability had lower physical function, perceived lower possibilities of influencing their pain, and were more prone to catastrophise than patients with lumbar disc herniation and a high diurnal cortisol variability.
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- Johansson, Ann-Christin, et al.
(författare)
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Psychosocial stress factors among patients with lumbar disc herniation, scheduled for disc surgery in comparison with patients scheduled for arthroscopic knee surgery
- 2007
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Ingår i: European spine journal. - : Springer Science and Business Media LLC. - 0940-6719 .- 1432-0932. ; 16:7, s. 961-970
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Tidskriftsartikel (refereegranskat)abstract
- Returning to work after disc surgery appears to be more heavily influenced by psychological aspects of work than by MR-identified morphological alterations. It is still not known whether psychosocial factors of importance for outcome after disc surgery are present preoperatively or develop in the postoperative phase. The aim of this study was to investigate the presence of work-related stress, life satisfaction and demanding life events, among patients undergoing first-time surgery for lumbar disc herniation in comparison with patients scheduled for arthroscopic knee surgery. Sixty-nine patients with disc herniation and 162 patients awaiting arthroscopy were included in the study, during the time period March 2003 to May 2005. Sixty-two percent of the disc patients had been on sick leave for an average of 7.8 months and 14 percent of the knee patients had been on sick leave for an average of 4.2 months. The psychosocial factors were investigated preoperatively using a questionnaire, which was a combination of the questionnaire of quality of work competence (QWC), life satisfaction (LiSat9) and life events as a modification of the social readjustment scale. There were no significant differences between the two groups in terms of work-related stress or the occurrence of demanding life events. The disc patients were significantly less satisfied with functions highly inter-related to pain and discomfort, such as present work situation, leisure-time, activities of daily living (ADL) function and sleep. Patients with disc herniation on sick leave were significantly less satisfied with their present work situation than knee patients on sick leave; this sub-group of patients with disc herniation also reported significantly higher expectations in relation to future job satisfaction than knee patients. The results indicate that psychosocial stress is not more pronounced preoperatively in this selected group of disc patients, without co-morbidity waiting for first-time disc surgery, than among knee patients awaiting arthroscopy. It was notable that the disc patients had high expectations in terms of improved job satisfaction after treatment by surgery.
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