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Ulna Nerve Compression (Cubital Tunnel Syndrome)
Description
Cubital tunnel syndrome is caused by pressure or irritation of the ulnar nerve as it passes around the inside of the elbow, behind the bony prominence called the medial epicondyle. This is the area commonly referred to as the “funny bone”. Because the nerve lies close to the skin at this point, a knock to the elbow can produce a sudden electric shock or tingling sensation. The nerve may become irritated by repeated elbow bending, prolonged pressure on the elbow, or tightening of the tissues around it. Learn more…
Patients usually complain of tingling, pins and needles, numbness, and sometimes pain affecting the little finger and the ring finger. Symptoms are often worse when the elbow is bent for a period of time, such as when using the phone, driving, sleeping, or resting the elbow on a chair arm. In more advanced cases, there may be weakness of grip, clumsiness of the hand, and wasting of the small hand muscles.
Diagnosis
Diagnosis is usually made on clinical grounds after assessment by a doctor or specialist. The pattern of symptoms, together with examination findings, is often enough to suggest the diagnosis. To confirm the condition and assess its severity, a nerve conduction study (NCS) and/or electromyography (EMG) may be requested. These tests can also help rule out other causes of similar symptoms, such as nerve compression in the neck. In some cases, ultrasound may also be useful.
Treatment
In milder cases, treatment is usually non-operative at first. This may include avoiding pressure on the elbow, reducing repeated or prolonged elbow bending, using an elbow splint at night, and sometimes guided exercises or physiotherapy. These measures can be very effective in early cases and may prevent the condition from progressing.
If symptoms are persistent, severe, or associated with muscle weakness or wasting, surgery may be recommended. The aim of surgery is to relieve pressure on the nerve and create more space for it. The most common procedure is an open cubital tunnel release. In some patients, if the nerve is unstable or under excessive tension, it may need to be moved to the front of the elbow (ulnar nerve transposition). These procedures are commonly performed as day-case surgery.
Results after surgery are generally good, particularly when treatment is carried out before permanent nerve damage develops. Numbness often improves gradually, but recovery can be slower in long-standing or severe cases. Surgery is especially helpful in preventing further deterioration, although reversal of established muscle wasting may be incomplete.
Further detailed information and the appropriate treatment options will be provided by Mr. Khalid Ayoub during the consultation. Back…
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