• Jochen Blum, René Engelmann, Raphael Küchle, Matthias Hansen, and Pol M Rommens.
• Department of Trauma, Hand, and Reconstructive Surgery, Academic Teaching Hospital of the University Mainz, Worms, Germany. jochen.blum@klinikum-worms.de.
• Eur J Trauma Emerg S. 2007 Apr 1;33(2):149-58.

AbstractThere is an increasing interest in intramedullary nailing for humeral fractures. Starting with diaphyseal fractures, now also proximal metaphyseal fractures of the humerus can be nailed with satisfying results. Basic ideas for humeral nailing are less invasive approaches to the humerus, less soft tissue damage, e.g. lower rates of radial nerve palsy, closed reduction and the biomechanical aspects of a central implant with elastic fixation properties. Nailing of diaphyseal humeral shaft fractures is an equivalent alternative to plating; nailing of proximal metaphyseal humeral fractures is still new and needs more reliable scientific data to clear its advantages compared to other fixation techniques. Nailing of distal metaphyseal humeral fractures is no serious option at the moment. Angular stable interlocking systems show better fixation qualities for proximal fractures or fracture components. Although in very osteoporotic bone cutouts are registered. Static interlocking is advisable. High torsional stability of the fracture fixation has to be achieved, since significant torsional load occurs during the usual movement of the upper limbs. As there is an important learning curve, possible complications of intramedullary nailing have to be kept in mind and avoided by a careful operation technique.

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