Peripheral Nerve

Peripheral nerve surgery

Carpal tunnel syndrome, ulnar nerve neuropathy and other nerve entrapments. Outpatient surgery with rapid recovery.

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Symptoms of peripheral nerve injuries

Peripheral nerves can be affected by compression (entrapment) or by direct injury (trauma, laceration). Symptoms depend on the nerve involved but share a recognisable sensory-motor pattern.

Carpal tunnel syndrome (median nerve)

  • Tingling and numbness in the thumb, index, middle and half of the ring finger.
  • Nocturnal paraesthesias that wake you up and force you to shake your hand.
  • Pain that may radiate towards the forearm.
  • Loss of strength and dexterity, with objects being dropped.
  • Thenar eminence atrophy (base of the thumb) in advanced cases.

Ulnar nerve entrapment (cubital tunnel)

  • Numbness of the little finger and ulnar half of the ring finger.
  • Elbow pain ("funny bone") that increases when bending it.
  • Weakness of the hand when pinching or spreading the fingers.
  • Atrophy of the interosseous muscles and, in advanced stages, "claw hand".

Other nerve entrapments

  • Peroneal nerve entrapment (fibular head): foot drop and difficulty lifting the toes.
  • Meralgia paraesthetica (lateral cutaneous femoral nerve): burning and numbness on the outer thigh.
  • Tarsal tunnel syndrome: pain and paraesthesias on the sole of the foot.

Traumatic peripheral nerve injury

  • Sudden loss of sensation or strength in the nerve territory following trauma or a wound.
  • Muscle paralysis with inability to move a specific muscle group.
  • Neuropathic pain, burning or electric, in the affected area.
  • Tinel's sign: electric discharge when tapping over the nerve.
When to seek advice: if symptoms persist for more than a few weeks, occur at night, involve loss of strength, visible muscle atrophy or persistent loss of sensation, an assessment is recommended. Persistent atrophy and weakness indicate advanced compression: early treatment prevents irreversible nerve damage.
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