Document Detail


Driver reaction time before and after treatment for lumbar radiculopathy.
MedLine Citation:
PMID:  18594463     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
STUDY DESIGN: Prospective observational pilot study. OBJECTIVE.: To investigate the effect of right and left radiculopathy on driver reaction time (DRT), and the effect of selective nerve root block (SNRB) on DRT. SUMMARY OF BACKGROUND DATA: The effect of many orthopedic procedures on DRT has already been assessed. To date the effect of radiculopathy and SNRB on DRT has not been studied. METHODS: DRTs of 20 radiculopathic patients (10 right, 10 left) were measured using a custom-built car simulator. Each patient was tested pre-SNRB, immediately post-SNRB, and 2 and 6 weeks post-SNRB. As controls 20 age- and sex-matched normal subjects were tested once. Full departmental, institutional, and ethical committee approval were obtained. RESULTS: Mean DRT of the control group was 452 milliseconds. Mean DRT of patients with right or left radiculopathy pre-SNRB was 521 milliseconds (P < 0.045) and 535 milliseconds (P < 0.018), respectively. In the right radiculopathic group, the measurements immediately post-SNRB, 2 weeks, and 6 weeks were 656 milliseconds (P < 0.005), 589 milliseconds (P < 0.019), and 564 milliseconds (P < 0.10), respectively. The delay immediately and at 2 weeks post-SNRB translates into an increase in stopping distance of 3.8 and 1.9 m, respectively at the speed of 100 km/h. In the left radiculopathic group, the measurements immediately post-SNRB, 2 weeks, and 6 weeks were 585 milliseconds (P < 0.037), 534 milliseconds, and 530 milliseconds, respectively. The delay immediately post-SNRB translates into an increase in stopping distance of 1.4 m at the speed of 100 km/h. CONCLUSION: The study identified significant DRTs' changes both in radiculopathy and after SNRB. Right and left radiculopathic patients should be advised about the possible changes in their DRTs post-SNRB. Future research with regard to the suitability for radiculopathic patients to drive and the best time to resume driving post-SNRB is needed.
Authors:
Ahmad Al-khayer; A Schueler; G Kruszewski; G Armstrong; M P Grevitt
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Spine     Volume:  33     ISSN:  1528-1159     ISO Abbreviation:  Spine     Publication Date:  2008 Jul 
Date Detail:
Created Date:  2008-07-02     Completed Date:  2008-09-04     Revised Date:  2009-11-03    
Medline Journal Info:
Nlm Unique ID:  7610646     Medline TA:  Spine (Phila Pa 1976)     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1696-700     Citation Subset:  IM    
Affiliation:
Department of Rehabilitation Medicine and Spinal Injuries, Southern General Hospital, Glasgow, UK. hamadafirst@yahoo.com
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MeSH Terms
Descriptor/Qualifier:
Adult
Analysis of Variance
Automobile Driving*
Case-Control Studies
Female
Humans
Lumbar Vertebrae*
Male
Nerve Block
Pilot Projects
Prospective Studies
Radiculopathy / therapy*
Reaction Time*
Statistics, Nonparametric

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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