Abstract
Aim To evaluate the radiologic and clinical results of patients who underwent deformity correction and stabilization for congenital spinal deformities using pedicle screws after hemivertebra resection. Material and Method Nine patients, mean age 9.2, who underwent posterior hemivertebrectomy and transpedicular fixation for congenital spinal deformity and had longer than five years of follow-up were evaluated retrospectively. The hemivertebrae were located in the thoracic region in 4 patients and thoracolumbar transition region in 5 patients. The patients were evaluated radiologically and clinically in the postoperative period. Results Mean length of follow-up was 64.2 months. The mean operating time was 292 minutes. The mean blood loss was 236 mL. The average hospitalization time was 7 days. The amount of correction on the coronal planes was measured as 31%. The mean segmental kyphosis angle was 45.7 degrees preoperatively and it was measured 2.7 degrees in the follow-up period. There were no statistically significant differences between the early postoperative period and final follow-up X-rays with respect to coronal and sagittal plane deformities. Conclusion The ability to obtain a sufficient and balanced correction in the cases accompanied by long compensator curvatures that have a structural character in hemivertebra may require longer fusion levels.
Highlights
Vertebral anomalies may develop due to errors in formation or segmentation or a mixture of both
The aim of this study was to present the results of average period of five-year follow-up in patients, diagnosed with congenital scoliosis and kyphoscoliosis and treated with transpedicular instrumentation and fusion methods after hemivertebra resection with the posterior approach
It is difficult to predict the natural course of hemivertebrae [1,2,3]
Summary
Vertebral anomalies may develop due to errors in formation or segmentation or a mixture of both. The type of the anomaly often determines the possibility of progression of the deformity. Nonincarcerated and full segmented hemivertebrae may result in deformities that increase with growth. These deformities may be solely scoliotic or include kyphotic components. The primary goal in the treatment of congenital spinal deformities is to prevent the progression of the deformity and to provide a healthy growth of the spine. Failure to intervene in patients who show a tendency towards progression may result in the formation of deformities which require long fusions and possess neurologic risks [2,3,4,5]
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