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Cervical Vertebra Fracture: Causes, Symptoms & Treatment

A cervical vertebra fracture is a break in one or more of the seven bones of the neck (cervical spine). It is a medical emergency that may threaten the spinal cord.

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Things worth knowing about "Cervical vertebra fracture"

A cervical vertebra fracture is a break in one or more of the seven bones of the neck (cervical spine). It is a medical emergency that may threaten the spinal cord.

What is a Cervical Vertebra Fracture?

A cervical vertebra fracture (also called a cervical spine fracture or broken neck) is a break in one or more of the seven vertebrae of the neck, designated C1 through C7. The cervical spine is the most mobile segment of the spine and connects the skull to the rest of the body. Because of its proximity to the spinal cord and major nerve pathways, a cervical vertebra fracture is considered a potentially life-threatening injury.

Causes

Cervical vertebra fractures are most commonly caused by strong external forces applied to the head and neck area. Typical causes include:

Traffic accidents (e.g., rear-end collisions causing whiplash injuries)
Falls from significant heights
Sports injuries (e.g., diving into shallow water, contact sports)
Direct impact to the neck or back of the head
Osteoporosis: Severely reduced bone density can allow lower forces to cause a fracture
Tumors or metastases: Pathological fractures due to weakened bone tissue

Symptoms

Symptoms of a cervical vertebra fracture can vary greatly depending on the severity and location of the break. Common signs include:

Severe neck pain and tenderness
Restricted movement of the neck
Numbness, tingling, or paralysis in the arms or legs
Dizziness or balance disturbances
In severe spinal cord injury: tetraplegia (paralysis of all four limbs) or respiratory arrest

Important: If a cervical vertebra fracture is suspected, emergency services must be called immediately. The affected person must not be moved until medical professionals arrive.

Diagnosis

Diagnosis is established using imaging techniques:

X-ray: Used as an initial assessment of the vertebral bodies
Computed Tomography (CT): Provides detailed cross-sectional images and is the gold standard when a cervical fracture is suspected
Magnetic Resonance Imaging (MRI): Used to assess the spinal cord, intervertebral discs, and soft tissue structures

A thorough neurological examination is also performed to determine the extent of potential nerve damage.

Classification

Cervical vertebra fractures are classified by their location and stability. Widely used classification systems include the AO Classification and the SLIC System (Subaxial Cervical Spine Injury Classification). Key distinctions include:

Stable fractures: The spinal cord is not immediately at risk
Unstable fractures: High risk of spinal cord damage, often requiring surgical intervention
Dens fracture: A break through the odontoid process of the second cervical vertebra (axis), especially common in older adults
Jefferson fracture: A burst fracture of the first cervical vertebra (atlas)
Hangman fracture: Bilateral fracture of the posterior arch of the second cervical vertebra (axis)

Treatment

Treatment depends on the type, location, and stability of the fracture, as well as the presence of neurological deficits.

Conservative Treatment

For stable fractures without neurological involvement, non-surgical management may be appropriate:

Immobilization using a cervical collar (orthosis) or a halo device (externally fixed to the skull with pins)
Pain management with appropriate medications
Physiotherapy after complete healing

Surgical Treatment

Unstable fractures or neurological deficits often require surgical intervention:

Spinal fusion (spondylodesis): Surgical stabilization of the affected spinal segments
Decompression: Relieving pressure on the spinal cord by removing bone fragments
Instrumentation: Insertion of screws, plates, or rods to stabilize the spine

Rehabilitation

Intensive rehabilitation is essential after a cervical vertebra fracture. It includes physiotherapy, occupational therapy, and, in cases of spinal cord injury, neurological rehabilitation. The goal is to restore mobility, strength, and the ability to perform daily activities. Recovery time varies from several weeks to many months depending on the severity of the injury.

References

Vaccaro AR et al. - The Subaxial Cervical Spine Injury Classification System. Spine, 2007; 32(21): 2365-2374. PubMed.
World Health Organization (WHO): Spinal Cord Injury Fact Sheet. Geneva, 2013.
Fehlings MG et al. - A Clinical Practice Guideline for the Management of Acute Spinal Cord Injury. Global Spine Journal, 2017; 7(3 Suppl): 1S-4S.

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