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Anterior interosseous syndrome is a medical condition in which damage to the anterior interosseous nerve (AIN), a distal motor and sensory branch of the median nerve, classically with severe weakness of the pincer movement of the thumb and index finger, and can cause transient pain in the wrist (the terminal, sensory branch of the AIN innervates the bones of the carpal tunnel).
Carpal tunnel syndrome (CTS) is a nerve compression syndrome associated with the collected signs and symptoms of compression of the median nerve at the carpal tunnel in the wrist. Carpal tunnel syndrome usually has no known cause, but there are environmental and medical risk factors associated with the condition. [1] [6] CTS can affect both wrists.
[10] Carpal tunnel syndrome (CTS) is caused by compression of the median nerve as it passes under the carpal tunnel. [11] Nerve conduction velocity tests through the hand are used to diagnose CTS. Physical diagnostic tests include the Phalen maneuver or Phalen test and Tinel's sign. To relieve symptoms, patients may describe a motion similar to ...
tarsal tunnel syndrome; interdigital neuropathy (Morton's Neuroma) sural mononeuropathy; femoral mononeuropathy; saphenous mononeuropathy; lateral femoral cutaneous neuropathy; ilioinguinal neuropathy; iliohypogastric neuropathy; genitofemoral neuropathy; posterior femoral cutaneous neuropathy; obturator neuropathy; neuropathy of gluteal nerves
Splints aim to immobilize the wrist to decrease pressure in the carpal tunnel. [19] Restricting wrist motion eliminates the repetitive movement and tension overload in the carpal tunnel. This gives the tendon sheaths a chance to heal, reducing swelling, which then may decrease the pressure on the median nerve. [citation needed]
It is typically experienced as a secondary symptom of sensorineural hearing loss, although not all patients with sensorineural hearing loss experience diplacusis or tinnitus. [ 1 ] [ 2 ] The onset is usually spontaneous and can occur following an acoustic trauma , for example an explosive noise, or in the presence of an ear infection . [ 3 ]
If the swelling irritates the nerve, either because of the inflammation or simply because of pressure, the nerve can send sensations of pain, numbness, and/or tingling to the brain. This is called nerve entrapment. Nerve entrapment most frequently occurs at the wrist (carpal tunnel syndrome) and elbow (ulnar nerve entrapment).
Advocates of endoscopic carpal tunnel release cite less palmar scarring and ulnar “pillar” pain, rapid and complete return of strength, and return to work and activities at least 2 weeks sooner than for open release. Some studies comparing open and endoscopic carpal tunnel release found no significant differences in function.