Canadian Medical Guide > Diseases > Nervous System Diseases > Neuromuscular Diseases > Peripheral Nervous System Diseases > Nerve Compression Syndromes Terms and Definitions




Nerve Compression Syndromes

Medical Definition: Mechanical compression of nerves or nerve roots from internal or external causes. These may result in a conduction block to nerve impulses (due to MYELIN SHEATH dysfunction) or axonal loss. The nerve and nerve sheath injuries may be caused by ISCHEMIA; INFLAMMATION; or a direct mechanical effect.
Guide Notes: coord IM with specific nerve disease (IM) or specific nerve (IM); cauda equina syndrome: coord IM with CAUDA EQUINA (IM)
Also Called: Entrapment Neuropathies,External Nerve Compression Syndromes,Internal Nerve Compression Syndromes,Nerve Entrapments
Previously Indexed: Peripheral Nerve Diseases (1966-1969)
Nerve Compression Syndromes Categories.
Canadian Medical Guide Definition Thoracic Outlet Syndrome - A neurovascular syndrome associated with compression of the BRACHIAL PLEXUS; SUBCLAVIAN ARTERY; and SUBCLAVIAN VEIN at the superior thoracic outlet. This may result from a variety of anomalies such as a cervical rib (CERVICAL RIB SYNDROME), anomalous fascial bands, and abnormalities of the origin or insertion of the anterior or medial scalene muscles. Clinical features may include pain in the shoulder and neck region which radiates into the arm, PARESIS or PARALYSIS of brachial plexus innervated muscles, PARESTHESIA, loss of sensation, reduction of arterial pulses in the affected extremity, ISCHEMIA, and EDEMA. (Adams et al., Principles of Neurology, 6th ed, pp214-5).

Nerve Compression Syndromes Medical Definitions and Terms

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