Is the outcome in acute spinal cord ischaemia different from that in traumatic spinal cord injury? A cross-sectional analysis of the neurological and functional outcome in a cohort of 93 paraplegics
SourceSpinal Cord, 49, 2, (2011), pp. 307-312
Article / Letter to editor
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SubjectNCEBP 10: Human Movement & Fatigue; NCEBP 10: Human Movement & Fatigue DCN 1: Perception and Action; NCEBP 10: Human Movement & Fatigue DCN 1: DCN 1: Perception and Action
STUDY DESIGN: Retrospective cohort study. OBJECTIVES: To compare the neurological outcome between paraplegic patients with acute spinal cord ischaemia syndrome (ASCIS) or traumatic spinal cord injury (tSCI) and to investigate the influence of SCI aetiology on the total Spinal Cord Independence Measure (SCIM)-II score. SETTING: Level 1 trauma centre. METHODS: Initial (0-40 days) and chronic-phase (6-12 months) American Spinal Injury Association (ASIA) sensory scores, lower extremity motor score (LEMS) and chronic-phase total SCIM-II scores were analysed. Differences between ASCIS and tSCI patients were calculated using Student's t-tests and Wilcoxon signed-rank tests. To assess which variables give rise to the prediction of total SCIM-II score, a multiple linear regression analysis was used. These predictor variables included complete (ASIA impairment scale A) or incomplete SCI (AIS B, C, and D), aetiology, age and gender. RESULTS: Out of 93 included patients, 20 ASCIS and 73 tSCI patients were identified. In the complete SCI group, the initial pinprick scores were higher (P<0.05) in ASCIS patients compared with tSCI patients, 37.9 (95% Confidence Interval (CI), 23.3-52.5) and 27.3 (95% CI, 24.1-30.4), respectively. No other relevant differences in neurological outcome were identified between ASCIS and tSCI patients; however, the total SCIM-II scores were higher (P<0.05) in tSCI patients after 12 months. Using the linear regression analysis, we were able to predict 31.4% of the variability. The aetiology was not significant in this model. CONCLUSION: The neurological outcome was independent of the diagnosis ASCIS or tSCI. Furthermore, the diagnosis ASCIS or tSCI was not a significant predictor for total SCIM II scores after 12 months. SPONSORSHIP: This study was granted by the 'Internationale Stiftung fur Forschung in Paraplegie' (IFP), Zurich, Switzerland.
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