C M Stevenson1,2, D P Dargan1,2, J Warnock1,2, S Sloan1,2, R Espey1,2, S Maguire1,2, N Eames1,2. 1. Department of Trauma and Orthopaedic Surgery, The Royal Hospitals, Belfast, Northern Ireland, UK. 2. Spinal Cord Injury Unit, Musgrave Park Hospital, Belfast, UK.
Abstract
STUDY DESIGN: Retrospective cohort analysis with prospective follow-up. OBJECTIVES: To evaluate neurological and functional recovery following central cord syndrome. SETTING: Northern Ireland, population 1.8 million. METHODS: Twenty-seven cords were identified in 1 year. Five managed conservatively and 22 with surgery. American Spinal Injury Association (ASIA) motor scores (AMS) were calculated to assess neurological recovery. Rotterdam scores assessed functional independence at 3 years. RESULTS: Average age was 62 years. Mechanism of injury was a fall with neck hyperextension in 81% patients. Average AMS in surgical patients improved from injury, preoperatively, postoperatively, 6 months and 3 years from 51, 81, 83, 90 to 96, respectively. Conservative patients improved from time of injury to day 10 from 57 to 86 and then fell to 84 at 6 months. By 3 years, this had recovered to 91. There was no statistical significant difference in AMS (P=0.15)/change in AMS (ΔAMS) (P=0.92) or percentage of motor deficit resolution (P=0.23) between groups at 3 years. Two patients underwent surgery within 48 h and achieved full motor recovery by 3 years, but this was not significant (P=0.2). ASIA score improvement had a positive correlation with age at injury. Patients treated with surgery had better Rotterdam scores at 3 years than those managed conservatively (P=0.05). CONCLUSIONS: This study confirms the natural history of central cord syndrome. Although it demonstrates equivocal neurological recovery for both groups, patients treated with surgery regained a greater degree of functional independence.
STUDY DESIGN: Retrospective cohort analysis with prospective follow-up. OBJECTIVES: To evaluate neurological and functional recovery following central cord syndrome. SETTING: Northern Ireland, population 1.8 million. METHODS: Twenty-seven cords were identified in 1 year. Five managed conservatively and 22 with surgery. American Spinal Injury Association (ASIA) motor scores (AMS) were calculated to assess neurological recovery. Rotterdam scores assessed functional independence at 3 years. RESULTS: Average age was 62 years. Mechanism of injury was a fall with neck hyperextension in 81% patients. Average AMS in surgical patients improved from injury, preoperatively, postoperatively, 6 months and 3 years from 51, 81, 83, 90 to 96, respectively. Conservative patients improved from time of injury to day 10 from 57 to 86 and then fell to 84 at 6 months. By 3 years, this had recovered to 91. There was no statistical significant difference in AMS (P=0.15)/change in AMS (ΔAMS) (P=0.92) or percentage of motor deficit resolution (P=0.23) between groups at 3 years. Two patients underwent surgery within 48 h and achieved full motor recovery by 3 years, but this was not significant (P=0.2). ASIA score improvement had a positive correlation with age at injury. Patients treated with surgery had better Rotterdam scores at 3 years than those managed conservatively (P=0.05). CONCLUSIONS: This study confirms the natural history of central cord syndrome. Although it demonstrates equivocal neurological recovery for both groups, patients treated with surgery regained a greater degree of functional independence.
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