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RETROGRADE INTERNAL FIXATION OF DISTAL EXTRA-ARTICULAR FRACTURES OF THE HUMERUS USING THE HALDER HUMERAL NAIL



Abstract

Displaced fractures of the distal humerus are very difficult to treat. Numerous techniques have been developed for internal fixation, e.g. plating, Rush nail fixation, IM nailing etc. Results are not very good in majority of the cases. Conventional ‘antigrade’ nailing sometimes may not be suitable for these types of fractures. This new nail is inserted by a close retrograde technique using a special interlocking system to avoid axillary nerve and rotator cuff damage. This nail also allows stable fixation of these distal fractures via a plate welded its distal end, which maintain the rotational stability.

Since 1997 we have treated 15 displaced extra particular fractures using this device. 12 of them were widely displaced fractures, some comminuted, and 3 were pathological fractures. The nail is introduced through the roof of the olecranon fossa, thus leaving the rotator cuff of the shoulder free from any iatrogenic injury. Proximal rotational stability is maintained by a unique ‘Trio Wire’, which passes through the nail and fans out in the head of the humerus. Distal rotational stability is maintained by the transverse plate.

In all cases early pain relief was obtained with return of shoulder and elbow functions. By 6 weeks 98% of patients could perform the majority of daily tasks. No significant complication was noted except a loss of extension of the elbow by 10–15 degrees

This new nail provides stable fixation of difficult distal humeral fractures, even in cases with poor bone quality. Early pain relief with a rapid return of shoulder and elbow functions denote a successful outcome of these operations.

These abstracts were prepared by Mr Cormac Kelly. Correspondence should be addressed to him c/o British Orthopaedic Association, Royal College of Surgeons, 35-43 Lincoln’s Inn Fields, London WC2A 3PN.