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Posts Tagged ‘Posterior Interosseous Nerve

Ahead of Print: Spontaneous Posterior Interosseous Nerve Palsy

Screen Shot 2014-07-16 at 11.13.18 AMBackground: The surgical treatment of spontaneous posterior interosseous nerve (PIN) palsy with hourglass-like fascicular constriction (HLFC) remains controversial.

Objective: To review 41 patients with complete spontaneous PIN palsy with HLFC to clarify the necessity and choice of surgery.

Methods: Interfascicular neurolysis (NY), neurorrhaphy and autografting were carried out on 10, 8 and 6 patients, respectively. The thinning extent of a nerve fasciculus <=0.25, 0.25-0.75 and >=0.75 was defined as mild, moderate and severe constriction, respectively. Final British Medical Research Council muscle power grade >=4 was defined as good recovery.

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Written by NEUROSURGERY® Editorial Office

July 22, 2014 at 8:00 AM

Ahead of Print: Spinal Nerve Origins of Radial Nerve Muscular Branches

Background: In injuries of the lower brachial plexus, finger flexion can be restored by nerve or tendon transfer. However, there is no technique that can guarantee good recovery of finger and thumb extension.

Objective: To determine the spinal nerve origins of the muscular branches of the radial nerve and identify potential intraplexus donor nerves for neurotization of the posterior interosseous nerve in patients with lower brachial plexus injuries.

Methods: An intraoperative electrophysiological study was carried out during 16 contralateral C7 nerve transfers. The CMAP (compound muscle action potential) of each muscle innervated by the radial nerve was recorded while the C5-T1 nerves were individually stimulated.

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Written by NEUROSURGERY® Editorial Office

April 10, 2012 at 8:01 AM


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