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Cervicobrachialgia: Causes, Symptoms and Treatment

Cervicobrachialgia describes pain radiating from the neck into the arm. It is most commonly caused by nerve root irritation in the cervical spine.

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Things worth knowing about "Cervicobrachialgia"

Cervicobrachialgia describes pain radiating from the neck into the arm. It is most commonly caused by nerve root irritation in the cervical spine.

What is Cervicobrachialgia?

Cervicobrachialgia is a medical term derived from the Latin words cervix (neck), brachium (arm), and algos (pain). It describes a pain syndrome in which pain radiates from the cervical spine (neck region) into one or both arms. It is not a standalone disease, but rather a symptom complex caused by various underlying conditions. Middle-aged and older adults are most commonly affected, though younger individuals may also develop the condition due to poor posture or injury.

Causes

The most common cause of cervicobrachialgia is irritation or compression of a nerve root in the cervical spine. This can result from several conditions:

Cervical disc herniation (prolapse): Displaced disc material presses on a spinal nerve root.
Cervical spondylosis: Age-related degenerative changes in the vertebrae and discs that narrow the nerve exit channels (foramina).
Osteophytes (bone spurs): Bony growths that can compress nerve roots.
Muscle tension and poor posture: Prolonged sitting, desk work, or excessive smartphone use.
Injuries: Such as whiplash injuries of the cervical spine following an accident.
Inflammatory conditions: Including rheumatoid arthritis affecting the cervical spine.
Tumors or metastases: Rare but serious causes that must be ruled out.

Symptoms

The symptoms of cervicobrachialgia vary depending on which nerve root is affected. Common complaints include:

Radiating pain from the neck into the shoulder, arm, elbow, hand, or fingers
Tingling or numbness (paraesthesia) in the arm or fingers
Muscle weakness in the affected arm or hand
Neck pain and restricted range of motion of the cervical spine
Headaches originating from the neck (cervicogenic headache)
Burning or stabbing pain that worsens with certain head movements

Depending on the affected nerve root level (C5, C6, C7, or C8), the radiation pattern into the arm differs. A neurologist or orthopaedic specialist can use this pattern to determine which cervical level is involved.

Diagnosis

Cervicobrachialgia is diagnosed using a combination of methods:

Medical history and physical examination: The physician asks about the nature, location, and triggers of the pain. Provocation tests such as the Spurling test can confirm nerve root irritation.
Imaging studies: X-rays of the cervical spine show bony changes. Magnetic resonance imaging (MRI) is the gold standard and provides detailed visualization of discs, nerve roots, and the spinal cord.
Computed tomography (CT): Useful for assessing bony structures in more detail.
Electromyography (EMG) and nerve conduction studies (NCS): To assess nerve function and rule out other neurological conditions.

Treatment

Conservative Treatment

The majority of cases respond well to conservative management:

Physiotherapy and exercise therapy: Targeted exercises to strengthen the neck and shoulder muscles and improve posture.
Pain management: Non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or diclofenac, and muscle relaxants if needed.
Heat therapy: Heat helps relax tense muscles and improves blood circulation.
Manual therapy and osteopathy: Targeted mobilisation of the cervical spine by trained therapists.
Orthopedic aids: A soft cervical collar may provide short-term relief during the acute phase.
Periradicular infiltration: Targeted injections of corticosteroids near the affected nerve root to reduce inflammation.

Surgical Treatment

If conservative measures fail after several weeks or if severe neurological deficits are present (e.g., significant motor weakness), surgery may be required. Possible procedures include removal of the herniated disc (discectomy) or spinal fusion of the affected segment.

Prevention

Cervicobrachialgia can often be prevented with targeted measures:

Ergonomic workstation setup with an appropriately positioned monitor and chair
Regular movement breaks and stretching exercises during sedentary work
Strengthening the neck and back muscles through physical activity
Avoiding prolonged poor posture when using smartphones or tablets

References

Bogduk N. - Clinical and Radiological Anatomy of the Lumbar Spine, 5th Edition, Elsevier, 2012.
Iyer S, Kim HJ. - Cervical radiculopathy: current diagnosis and management. Current Reviews in Musculoskeletal Medicine, 2016; 9(3): 272-280. DOI: 10.1007/s12178-016-9349-4.
Carette S, Fehlings MG. - Cervical Radiculopathy. New England Journal of Medicine, 2005; 353(4): 392-399. DOI: 10.1056/NEJMcp043887.

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