TOS is a compressive non-tumorous syndrome of the brachial plexus. It is possible, however, to consider as TOS the irritative and lesional plexus syndrome following trauma as long as compression (or traction) on the nerves is triggered by long-lasting pathological changes of the area after trauma. Overload work of judges and lawyers after traffic accidents does not help to remind the real victim's problem, that is stretching of the neck soft tissues during head acceleration-extension. This movement is due to a forward acceleration. Both the car and the victim's trunk are violently pushed forward while the head does not move fast enough so that it is actually pushed backwards. The mandibula is even slower than the head and this leads to an opening of the mouth with possible temporomandibular joint (TMJ) dislocation. If there is nothing stopping the neck extension, like an appropriate headrest, the momentum is only resisted by cervical soft tissue stretching. Prolonged antalgic contracture and motor neglect may contribute to connective tissue changes and development of microadherences. Final result is fibrosis of paraneurium. The pain-immobility-fibrosis loop is of basic importance in the development of this syndrome.
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|Titolo:||Post-traumatic thoracic outlet syndrome (TOS).|
|Data di pubblicazione:||2005|
|Appare nelle tipologie:||1.1 Articolo in rivista|