$monteggia fracture pronunciation$

Monteggia fracture dislocations are a type of elbow injury characterized by a break in the ulna bone and dislocation of the radial head. In adults, the accepted treatment option is open reduction and rigid anatomical fixation of the ulnar fracture. However, for pediatric cases, reconstruction, excision or replacement of the radial head may be necessary if there has been a radial head fracture.

The Monteggia fracture-dislocation is often caused by a fall onto the outstretched hand with the elbow in extension and forearm hyperpronated. In this mechanism, the force applied to the shaft of the ulna combined with the pull of the brachialis and radius through the interosseous membrane results in a proximal ulna fracture with anterior angulation.

In some cases, the injury may occur due to an axially loaded force applied to the shaft of the ulna or a direct blow to the posterior aspect of the ulna. Evans has suggested that the most common mechanism is a fall onto the outstretched hand with the elbow in extension and forearm hyperpronated.

$monteggia fracture pronunciation$

The treatment of Monteggia fracture dislocations involves open reduction and internal fixation of the ulnar fracture, as well as reconstruction of the annular ligament if necessary. In some cases, excision or replacement of the radial head may also be required.

According to Evans, a poor outcome with conservative management has been reported in adult Monteggia fracture dislocations, resulting in a painful stiff elbow with limited forearm rotation, particularly supination. This is thought to occur due to a strong reflex biceps contracture and fall onto the hyperextended elbow.

In addition, Tompkins has proposed an alternative mechanism of injury where the first phase of injury is an anterior dislocation of the radial head, followed by a gradual failure of the capsule and annular ligament resulting in an anterior dislocation of the radial head.

$monteggia fracture pronunciation$

$monteggia fracture pronunciation$

Monteggia fracture-dislocations are relatively uncommon, with an incidence of 0-4 per 10,000 population per annum. The observed odds ratio for 15- to 44-year-old males is 5.4.

In conclusion, Monteggia fracture dislocations are a type of elbow injury that requires prompt and proper treatment to ensure optimal outcomes. With open reduction and rigid anatomical fixation of the ulnar fracture, reconstruction of the annular ligament if necessary, and excision or replacement of the radial head in some cases, patients can experience full recovery from this condition.

$monteggia fracture pronunciation$

Monteggia fracture pronunciation