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Träfflista för sökning "L773:0362 2436 ;pers:(Robinson Yohan 1977)"

Sökning: L773:0362 2436 > Robinson Yohan 1977

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1.
  • Carrwik, Christian, et al. (författare)
  • Predictive Scores Underestimate Survival of Patients With Metastatic Spine Disease : A Retrospective Study of 315 Patients in Sweden
  • 2020
  • Ingår i: Spine. - 0362-2436 .- 1528-1159. ; 45:6, s. 414-419
  • Tidskriftsartikel (refereegranskat)abstract
    • STUDY DESIGN: Retrospective cohort study.OBJECTIVE: To validate the precision of four predictive scoring systems for spinal metastatic disease and evaluate whether they underestimate or overestimate survival.SUMMARY OF BACKGROUND DATA: Metastatic spine disease is a common complication to malignancies. Several scoring systems are available to predict survival and to help the clinician to select surgical or nonsurgical treatment.METHODS: Three hundred fifteen adult patients (213 men, 102 women, mean age 67 yr) undergoing spinal surgery at Uppsala University Hospital, Sweden, due to metastatic spine disease 2006 to 2012 were included. Data were collected prospectively for the Swedish Spine Register and retrospectively from the medical records. Tokuhashi scores, Revised Tokuhashi Scores, Tomita scores, and Modified Bauer Scores were calculated and compared with actual survival data from the Swedish Population Register.RESULTS: The mean estimated survival time after surgery for all patients included was 12.4 months (confidence interval 10.6-14.2) and median 5.9 months (confidence interval 4.5-7.3). All four scores had significant correlation to survival (P < 0.0001) but tended to underestimate rather than overestimate survival. Modified Bauer Score was the best of the four scores to predict short survival, both regarding median and mean survival. Tokuhashi score was found to be the best of the scores to predict long survival, even though the predictions were inaccurate in 42% of the cases.CONCLUSION: Predictive scores underestimate survival for the patients which might affect important clinical decisions.LEVEL OF EVIDENCE: 3.
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2.
  • Hirasawa, Atsuhiko, et al. (författare)
  • Regional Differences in Diffuse Idiopathic Skeletal Hyperostosis : A Retrospective Cohort Study from Sweden and Japan
  • 2018
  • Ingår i: Spine. - 0362-2436 .- 1528-1159. ; 43:24, s. E1474-E1478
  • Tidskriftsartikel (refereegranskat)abstract
    • Study Design: We retrospectively reviewed computed tomography (CT) records of patients in Japan and Sweden, which are both aging populations. Objective. To research the influence of ethnicity and region on diffuse idiopathic skeletal hyperostosis (DISH) prevalence.Summary of Background Data_ DISH can complicate nonsurgical treatment of spinal fractures and often requires surgical intervention. We previously reported a prevalence of DISH in Japan that was higher than that reported in other studies.Methods: We retrospectively reviewed CT records of patients in Japan and Sweden, which have both aging populations. Patients undergoing whole body CT during trauma examinations at an acute outpatient clinic in Uppsala University Hospital in a 1-year period were eligible for inclusion. Excluded were those less than 40 and more than or equal to 90 years old, and those with previous spinal surgery. The prevalence of DISH by sex and age was determined according to radiographic criteria by Resnick. Results from Sweden were compared with the Japan data, which we previously reported.Results: Age of the eligible subjects (265 men and 153 women) ranged from 40 to 89 years, with a mean age of 63.4 years. Among men, 86 (32.5%) were diagnosed with DISH, and the results by age (40s, 50s, 60s, 70s, and 80s) were: 6 (10.7%), 13 (22%), 35 (46.1%), 17 (34%), and 15 (62.5%) patients, respectively. Among women, 16 (10.5%) had DISH, and the results by age were as follows: 1 (2.6%), 1 (3.3%), 2 (6.7%), 6 (22.2%), and 6 (22.2%) patients, respectively. These results did not differ from those previously published for Japan (Fisher exact test, men: P = 1, 0.27, 0.12, 0.06, and 1, respectively; women: P = 0.49, 0.62, 0.5, 0.8, and 0.3, respectively).Conclusion: The presented cohort study revealed that ethnicity and region may not be notable factors of DISH prevalence, since patients from both Japan and Sweden had similar DISH prevalence.Level of Evidence: 3
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3.
  • Robinson, Yohan, 1977-, et al. (författare)
  • Complications and Survival after long Posterior Instrumentation of Cervical and Cervicothoracic Fractures related to Ankylosing Spondylitis or Diffuse Idiopathic Skeletal Hyperostosis
  • 2015
  • Ingår i: Spine. - 0362-2436 .- 1528-1159. ; 40:4, s. E227-E233
  • Tidskriftsartikel (refereegranskat)abstract
    • STUDY DESIGN: Prospective cohort study.OBJECTIVE: This study investigates the results of long posterior instrumentation with regard to complications and survival.SUMMARY OF BACKGROUND DATA: Fractures of the cervical spine and the cervicothoracic junction related to ankylosing spinal disease (ASD) endanger both sagittal profile and spinal cord. Both anterior and posterior stabilization methods are well established, and clear treatment guidelines are missing.METHODS: Forty-one consecutive patients with fractures of the cervicothoracic junction related to ASD were treated by posterior instrumentation. All patients were followed prospectively for 2 years using a standardized protocol.RESULTS: Five patients experienced postoperative infections, 3 patients experienced postoperative pneumonia, 2 patients required postoperative tracheostomy, and 1 patient had postoperative cerebrospinal fluid leakage due to accidental durotomy. No patient required reoperation due to implant failure or nonunion. Mean survival was 52 months (95% confidence interval: 42-62 mo). Survival was affected by patient age, sex, smoking, and spinal cord injury.CONCLUSION: Patients with ASD experiencing a fracture of the cervicothoracic region are at high risk of developing complications. The posterior instrumentation of cervical spinal fractures related to ASD is recommended due to biomechanical superiority. Level of Evidence: 4.
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4.
  • Robinson, Yohan, 1977-, et al. (författare)
  • Surgical Stabilization Improves Survival of Spinal Fractures Related to Ankylosing Spondylitis
  • 2015
  • Ingår i: Spine. - 0362-2436 .- 1528-1159. ; 40:21, s. 1697-1702
  • Tidskriftsartikel (refereegranskat)abstract
    • Study Design. National registry cohort study. Objective. The aim of this study was to investigate the effect of surgical stabilization on survival of spinal fractures related to ankylosing spondylitis (AS). Summary of Background Data. Spinal fractures related to AS are associated with considerable morbidity and mortality. Multiple studies suggest a beneficial effect of surgical stabilization in these patients. Methods. In the Swedish patient registry, all patients treated in an inpatient facility are registered with diagnosis and treatment codes. The Swedish mortality registry collects date and cause of death for all fatalities. Registry extracts of all patients with AS and spinal fractures including date of death and treatment were prepared and analyzed for epidemiological purposes. Results. Seventeen thousand two hundred ninety-seven individual patients with AS were admitted to treatment facilities in Sweden between 1987 and 2011. Nine hundred ninety patients with AS (age 66 +/- 14 years) had 1131 spinal fractures, of which 534 affected cervical, 352 thoracic, and 245 lumbar vertebrae. Thirteen percent had multiple levels of injuries during the observed period. Surgically treated patients had a greater survival than those treated nonsurgically [hazard ratio (HR) 0.79, P = 0.029]. Spinal cord injury was the major factor contributing to mortality in this cohort (HR 1.55, P< 0.001). The proportion of surgically treated spinal fractures increased linearly during the last decades (r = 0.92, P< 0.001) and was 64% throughout the observed years. Conclusions. Spinal cord injury threatened the survival of patients with spinal fractures related to AS. Even though surgical treatment is associated with a considerable complication rate, it improved the survival of spinal fractures related to AS.
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