Carpal Tunnel Syndrome (CTS) is an entrapment idiopathic median neuropathy, causing paresthesia, pain, and other symptoms in the distribution of the median nerve due to its compression at the wrist in the carpal tunnel. The pathophysiology is not completely understood but can be considered compression of the median nerve traveling through the carpal tunnel. The National Center for Biotechnology Information and highly cited older literature say the most common cause of CTS is typing. More recent research by Lozano-Calderón has cited genetics as a larger factor than use, and has encouraged caution in ascribing causality.
The main symptom of CTS is intermittent numbness of the thumb, index, long and radial half of the ring finger. The numbness usually occurs at night, as humans tend to sleep with flexed wrists. It can be relieved by wearing a wrist splint that prevents flexion. Long-standing CTS leads to permanent nerve damage with constant numbness, atrophy of some of the muscles of the thenar eminence, and weakness of palmar abduction.
Pain in carpal tunnel syndrome is primarily numbness that is so intense that it wakes one from sleep. Pain in electrophysiologically verified CTS is associated with misinterpretation of nociception and depression.
Palliative treatments for CTS include use of night splints and corticosteroid injection. The only scientifically established disease modifying treatment is surgery to cut the transverse carpal ligament.
For decor veins you would have to speak to a doc., take care, best wishes!
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