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A Test Bed to Examine Helmet Fit and Retention and Biomechanical Measures of Head and Neck Injury in Simulated Impact
Published on: September 21, 2017
Modeling mechanisms of skull base injury for drivers in motor vehicle collisions
Jonathan R Grant1, John S Rhee, Frank A Pintar
1Department of Otolaryngology and Communication Sciences, Medical College of Wisconsin, Milwaukee, WI 53226, USA. jrgfish@gmail.com
Objective:
To develop biomechanical variable models for driver skull base injury mechanisms in motor vehicle collisions.
Study Design:
Retrospective database review.
Methods:
Biomechanical collision variables and safety restraint data were analyzed for Crash Injury Research and Engineering Network skull base trauma subjects enrolled during the recruitment period between 1996 and 2005.
Results:
For drivers satisfying inclusion criteria (n = 26), injury resulted from contact with rigid vehicle structural elements in 82%, and occurred in 50% despite both seatbelt and air bags. Eight percent used neither seatbelts nor air bags. Seventy-two percent involved vector velocity changes greater than 30 mph. The relative morbidity of skull base injuries was also detailed.
Conclusion:
The majority of driver skull base injuries resulted from contact with rigid vehicle structural elements in high velocity crashes. Seatbelt and air bag use could not be definitively correlated with skull base injury.
Clinical Significance:
Injury mechanism models can be developed that facilitate further investigations to determine impact and scope on a national scale.
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