Purpose: To analyze 17 patients - 11 males and 6 females, ages ranging between 10 days and 9 years-old - diagnosed with craniosynostosis and treated with implantable/non absorbable springs for dynamic expansion; Method: The cases were assessed between March of 2002 and November of 2006.Incisions were bicoronal in 16 cases and sagittal in 1 case, with subgaleal detachment and craniectomy; Results: All the patients were discharged within 3 days. One patient with pansynostosis (Apert) presented superficialization of the springs at the right side and the springs were removed. Two cases required repositioning of the springs. All the patients had their cranial vault expanded and remodeled satisfactory. The springs were removed between 50 e 270 days after insertion, without complications; Conclusions: With the advent of bone distraction, it is possible to carry out less invasive and safer procedures. This study suggests that the use of spring expansion is efficient, with low morbity and good results.
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