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Clement, H; Pichler, W; Tesch, NP; Heidari, N; Grechenig, W.
Anatomical basis of the risk of radial nerve injury related to the technique of external fixation applied to the distal humerus.
Surg Radiol Anat. 2010; 32(3): 221-224. Doi: 10.1007/s00276-009-0568-x
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Leading authors Med Uni Graz: Clement Hans Gunther; Pichler Wolfgang
Co-authors Med Uni Graz: Grechenig Wolfgang; Tesch Norbert
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Abstract:: Stabilization of humeral shaft and elbow fractures can be achieved with an external-fixator. Reports about nerve injuries associated with this procedure are rare in literature. Purpose of this anatomical study was to examine the relation of the radial nerve to distal humeral half pins. Percutaneous insertion of external-fixator half pins was performed in 20 upper limbs of 20 cadavers, according to established technique, laterally in the distal humerus. Dissection of the upper limbs showed radial nerve injury in four of the 40 placed half pins. The proximal half pin impaled the nerve in one case and the distal half pin in three cases. Moreover the nerve was directly in contact with the pins in nine cases (five proximally, four distally). Insertion of external-fixator half pins in the distal humerus can easily injure the radial nerve. Thus we advocate a larger skin incision, blunt dissection to the lateral cortex of the humerus and retraction of soft tissue during half pin insertion.
Find related publications in this database (using NLM MeSH Indexing): Aged -; Aged, 80 and over -; Bone Nails - adverse effects; Cadaver -; External Fixators - adverse effects; Female -; Humans -; Humerus - anatomy and histology; Male -; Middle Aged -; Radial Nerve - anatomy and histology
Find related publications in this database (Keywords): External-fixator; Elbow; Humerus; Radial nerve injury; Fracture