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OTHER NAMES
damage of the ulnar nerve,
malfunction of the ulnar nerve
DEFINITION
The neuropathy of the ulnar nerve is a situation or illness that for diverse causes affects to everything the sensitive area and motorboat of this nerve of the arm, producing a disorder of the movement of push-up and/or of the sensibility in the doll, fingers and of the hand.
CAUSES
The neuropathy of the ulnar nerve is usually caused by a direct traumatism on the nerve well for direct accident or for a pressure continued on the same one by the adjacent textiles to the same one to his step by the elbow, or more infrequent in the palm of the hand.
After the nerve is affected by this trauma there gets lost part of the mielina (recovering of the sheath of covering of the nerve) or a more intense injury with affectation of the proper textile of the nerve and for it the conduction of nervous stimuli of turns out to be shaken or pendent.
SYMPTOMS
Alteration in the sensibility in the rim of the interior hand (rim of the little finger),
Alteration in the sensibility in the fingers little finger and ring finger,
Itch sensations ó of ardor in this area,
Sometimes pain in the area or other sensations,
Languor of the movement in the hand.
DIAGNOSIS
To the physical examination of the hand they will be able to observe the sensibility alterations in the fingers little finger and ring finger and the corresponding part of the hand. At motive level the movements alteration will be seen in the fingers compromised with the ulnar nerve (little finger and ring finger), especially the push-up of the same ones and of the doll. It will be possible to see in advanced cases certain atrophy or softening of the muscles of the hand in this area and sometimes an aspect of the hand in rest in the shape of "claw".
These alterations can be verified by means of an Electromiograma (EMG), which is a test that measures the transmission of stimuli for the nerve. Other times need also studies of X-rays, ultrasound scans or gammagrafías of the area to see the structures compromised in this nervous alteration.
TREATMENT
If the picture is sharp alone the use of a rod is recommended to diminish the movement of the elbow, in addition to local cold and antinflamatorios local or systemic. Sometimes steroids injected into the area can be used to diminish the inflammation.
It is possible to wait for a resolution in a few days.
If the injury is chronic or prolonged in the time and the muscular atrophy is showy it is possible to indicate a surgery intervention to decompress the nerve of structures that him press (surgical decompression).
If there exists intense pain, which is a problem in some cases for his intensity medicines are used like fenitoína, carbamacepina, gabapentina, or antidepressants tricíclicos.
The physical therapy is indicated to support the force of the muscles.
In the sharp pictures the expectation is the entire healing. In chronic pictures the surgery intervention can solve the problem, but in some cases the intense pain can stay and the treatment is precise with medicines earlier quoted.
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