Consequences of the injury | Causes of carpal tunnel syndrome

Consequences of the injury

The damaging influence, no matter what kind, leads to pressure damage to the nerve fibers of the median nerve. This is almost always a reversible (reversible) damage. This means that the median nerve has the ability to fully recover once the pressure damage is over.

This type of damage to a nerve is known in medicine as neurapraxia. If the damage lasts too long, however, permanent loss of function of the median nerve must be expected. In such a case, the sensory disturbances can persist even after a successful operation, and even lost musculature no longer builds up.

The course of the damage is explained as follows: First, an increase in pressure in the carpal tunnel leads to a throttling of the vessels supplying the median nerve with oxygen. The consequence of the reduced supply is an aqueous swelling of the median nerve with damage to the nerve fibers. If the pressure damage continues, connective tissue cells sprout in the median nerves and damage them permanently due to the tissue remodelling.

The median nerve reacts to pressure damage with a loss of function, which affects both sensation and its control function of the muscles. However, damage to the median nerve in the carpal tunnel only affects those structures that are supplied by the median nerve after the carpal tunnel. There is no ascending damage (forearm/upper arm), as it were.

However, the pain sensation in carpal tunnel syndrome can affect the whole arm, even if the hand is primarily affected. The following articles on this topic may also be of interest to you: All topics that have been published on orthopedics so far can be found here: Orthopedics A-Z

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The course of the degree of damage is explained as follows: First, an increase in pressure in the carpal tunnel leads to a throttling of the vessels supplying the median nerves with oxygen. The consequence of the reduced supply is an aqueous swelling of the median nerve with damage to the nerve fibers.

If the pressure damage continues, connective tissue cells sprout in the median nerves and damage them permanently due to the tissue remodelling. The median nerve reacts to pressure damage with a loss of function, which affects both sensation and its control function of the muscles. However, damage to the median nerve in the carpal tunnel only affects those structures that are supplied by the median nerve after the carpal tunnel.

There is no ascending damage (forearm/upper arm), as it were. However, the pain sensation in carpal tunnel syndrome can affect the whole arm, even if the hand is primarily affected.