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A handheld nerve conduction measuring device in carpal tunnel syndrome

Posted Aug 26 2008 11:27pm

I visited Helsinki earlier this week and learned more about “A handheld nerve conduction measuring device in carpal tunnel syndrome.”

The diagnosis of carpal tunnel syndrome (CTS) is primarily based on clinical symptoms and physical signs.

Measuring nerve conduction (NC) velocity is a sensitive and specific adjunct technique in the examination of this syndrome.

Nerve conduction studies (NCS) objectively determine the severity and pre-treatment baseline status of median nerve lesion in CTS and facilitates differential diagnosis.

Moreover, NCS are an objective and quick method and measurement, which supplement the clinical examination in the follow-up of patients with both untreated and treated CTS.

Efforts have been made to enhance the availability of NCS for suspected CTS by developing automated electrophysiological devices.

In CTS, sensory nerve conduction (SNC) studies are more sensitive than motor nerve conduction (MNC) studies.

In SNC examinations of patients with CTS the highest sensitivity and specific values, around 0,90, have been achieved in median sensory and mixed NC from the wrist to palm segment and in comparison with median and ulnar sensory NC between the wrist and ring finger.

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