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Craniofacial distraction osteogenesis en bloc.

E Nadal¹, P L Dogliotti, J C Rodriguez

¹Plastic Pediatric Unit, Hospital Nacional de Pediatría J. P. Garrahan, Buenos Aires, Argentina.

The Journal of Craniofacial Surgery

|April 21, 2001

Summary

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This study demonstrates that distraction osteogenesis of the craniofacial skeleton en bloc, without craniectomy, is a feasible technique for treating craniofacial synostosis. It offers a stable, less invasive alternative to traditional monobloc advancement, minimizing complications and operative time.

Area of Science:

Craniofacial surgery
Orthognathic surgery
Pediatric plastic surgery

Background:

Monobloc advancement for craniofacial synostosis can lead to complications in older patients, particularly related to brain expansion into dead space.
Traditional methods often involve frontal craniectomy and osteosynthesis, increasing operative time and risks.

Purpose of the Study:

To present a novel technique of en bloc distraction osteogenesis of the craniofacial skeleton, avoiding frontal craniectomy.
To evaluate the feasibility and outcomes of this procedure in pediatric patients with craniofacial synostosis.

Main Methods:

En bloc distraction osteogenesis of the superior and medial thirds of the craniofacial skeleton was performed in eight patients older than 5 years.
The procedure avoided frontal craniectomy, miniplates, and screws, and was applied to untreated patients with normal frontal shape.

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Main Results:

Distraction osteogenesis en bloc without craniectomy proved feasible, with satisfactory and stable results.
Complications such as frontal relapse and frontozygomatic fractures were avoided. Patients required minimal additional cranioplasty.
The technique resulted in brief operative time, minimal blood loss, and no extradural dead space.

Conclusions:

En bloc distraction osteogenesis without craniectomy is a viable and effective treatment for craniofacial synostosis.
This method offers advantages over traditional monobloc advancement by reducing complications and operative invasiveness.
While effective, the need for a second surgery to remove the distractor is a noted inconvenience.