2. Cervical injury after MVA:
2. Cervical injury after MVA:
- Mechanism primarily occurs via rear-end collisions: acceleration of vehicle and delayed acceleration of trunk and shoulders with passive extension of head and neck followed by neck and head flexion
- MVA with “whiplash” injuries (Deans, et al Injury: 1987):
- 62 % of those evaluated in ED post-MVA with symptoms
- 33-66 % develop symptoms within 24 hours
- 30-42 % with continued intermittent pain at 1 year
- 6 % with continuous pain at 1 year
- MVA at 10 years (Gargan, et al JBJS: 1990):
- 28 % with chronic symptom