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RADIAL NERVE INJURY, (Investigations), (Problems in radial nerve injury),…
RADIAL NERVE INJURY
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Continuation of the posterior cord of the brachial plexus.
Root value is C5-8, T1.
Investigations
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Treatment
Early cases:
- For closed fractures, conservative treatment is adopted.
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- The patient is put on a cock-up splint or dynamic splints.
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- This is followed by active and passive physiotherapy.
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Late cases (> 1 year)
Broad principles
Passive method:
If no tendons are available for
transfer, then tenodesis or wrist arthrodesis in
functional position is preferred.
Active treatment:
if neighboring tendons are intact
and if all the criteria for tendon transfers mentioned earlier are met, then tendon transfer is the treatment of choice.
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Radial nerve injury at a glance
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- Continuation of posterior cord of the brachial plexus.
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- Most common peripheral nerve to be injured.
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- Most common site of injury is the distal end of humerus.
- Thumb extension test (Hitchhiker’s sign) is the screening test.
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- In radial nerve injury extension at finger IP joint is still possible.
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- For early cases in closed fractures conservative treatment.
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- For open fractures operative treatment and repair.
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- For late cases, tendon transfers if neighboring tendons
are available and if all the criteria are met.
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- If no tendons are available, wrist arthrodesis is done in
functional position