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General Orthopaedics

THE TREATMENT OF GARTLAND 2 AND 3 SUPRACONDYLAR HUMERUS FRACTURES IN CHILDREN IN EITHER A PRONE OR SUPINE POSITION: PRACTICAL IMPLICATIONS FOR FUTURE TREATMENT

The South African Orthopaedic Association (SAAO) 59th Annual Congress



Abstract

Aims

Comparison of the outcome between the supine or prone positioned child with a supracondylar humerus fracture by measuring anaesthetic and operating time, functional outcomes and complications.

Methods

All children with isolated Gartland 2 and 3 supracondylar humerus fractures were who were admitted to our institute, were asked to participate in the the study. For surgery, the participating children were either operated on in a ‘supine’ or ‘prone’ position. The children were randomly allocated to either the ‘supine’ or ‘prone’ position. The fractures were preferably treated by closed reduction and percutaneous pinning with k-wires. However, if the fracture proved difficult to reduce, we proceeded to open reduction via medial and lateral approach. All fractures were stabilized with one medial and one lateral k-wire. The children were immobilized in a reinforced above elbow back-slab. Total anaesthetic and surgical time were meticulously recorded. Patients were followed up in our outpatient clinic at one week, four weeks (at which time the k-wires were removed). Three months post operatively, elbow extension, flexion and total range of movement was assessed in all children. Results Twenty children with isolated Gartland 2 and 3 supracondylar humerus fractures were included in this study. Nine children (5 ± 1 years, 7 boys and 2 girls) were operated on in a prone position, while 11 children (6 ± 2 years, 10 boys and 1 girls) were operated on in a supine position.

Results

The anaesthetic time was significantly longer in the prone (20 ± 8 min) than in the supine position(10 ± 3 min) (p = 0.001). In line with this, surgical time showed a tendency to also be longer in prone (44 ± 36 min) than supine position (18 ± 18 min) (p = 0.08). No differences between prone and supine operated children was found for elbow extension (4.4 ± 7.7° vs. 3.6 ± 7.1°, respectively (p = 0.81)), elbow flexion (129.4 ± 8.8° vs. 127.0 ±8.8°, respectively (p = 0.67)) and/ or elbow range of motion (125.0 ± 16.0° vs. 124.1 ± 14.6°, respectively (p = 0.90)).

Conclusion

As no differences were found in elbow mobility 3 months post-operatively and anesthetic and surgical time tends to be longer in a prone position, this study suggests that operating children with Gartland 2 and 3 supracondylar humerus fractures in a supine position is more favorable.

NO DISCLOSURES