Authors
Zagorodniy N.V.1, Sampiev M.T.1, Karpovich N.I.1, Dzhodzhua A.V.2, Pimanchev O.V.2, Chemurzieva Kh.M.1, Lysenko I.S.1
1 RUDN University, Institute of Medicine, Moscow
2 Pirogov National Medical and Surgical Center, Moscow
Abstract
Background: Severe adolescent idiopathic scoliosis (AIS) is a complex, rigid, three-dimensional deformity of the spine, the treatment of which remains controversial. The objectives of surgical treatment are to obtain an acceptable correction of deformity, to improve the quality of life of patients, as well as to prevent the progression of deformity.
Aims: To analyze the results of surgical treatment of severe idiopathic scoliosis using the LSZ growing system as a 2-stage surgical treatment.
Materials and methods: A retrospective analysis of patients who underwent 2-stage surgical treatment was performed. Patients were observed after treatment using the LSZ growing system for an average of 28 months (range 23–38 months) and for 2 years after the replacement of the LSZ growing system with the pedicle screw system.
Results: 24 patients (20 girls, 4 boys) with an average age of 13 years at the start of treatment were included. The average blood loss of the 1st operation was 160±30 ml, the 2nd operation 350±80 ml. The average time of the 1st operation was 98±15 minutes, the 2nd operation 164±25 minutes. The preoperative Cobb angle of the thoracic curve was 97.5±10.5°, the lumbar curve 58.3± 13.4° After stage 1, the thoracic curve was corrected to 30.23± 10.39°, the lumbar curve to 16.6±9.7°. After replacing the LSZ growing system (2nd stage of treatment), the angle of the thoracic curve was 22.5±8.6°, the lumbar curve 11.1± 8.5°. The final percentage of correction for the thoracic and lumbar curves were 77±8.4% and 80±15.6%, respectively. Neurological and infectious complications were not observed.
Conclusions: The use of the LSZ growing system as a 2-stage surgical treatment of severe adolescent idiopathic scoliosis allows for severe deformity correction, prevents the progression of deformity during active bone growth, without interfering with the normal growth of the spine.
Keywords: scoliosis, surgical procedures, bone growth.
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