COMPARATIVE ANALYSIS OF THE ACCURACY OF PEDICLE SCREWS INSERTION IN SURGICAL TREATMENT OF CHILDREN WITH IDIOPATHIC SCOLIOSIS
https://doi.org/10.14531/ss2017.4.8-17
Abstract
Objective. To perform comparative analysis of the accuracy of pedicle screw placement in spinal deformity correction in children with idiopathic scoliosis using 3D-CT navigation.
Material and Methods. Surgical treatment of 96 patients aged 14–18 years with Lenke type I and V idiopathic scoliosis was performed.
In the study group (n = 66), pedicle screws were inserted using the navigation station, in the control group (n = 30) – by the freehand method. The accuracy of pedicle screw position was assessed using postoperative CT images of the spine based on the Gertzbein scale.
Results. The total number of pedicle screws inserted in the study group was 1166, in the control group – 546. In the study group, position of screws was correct in 96 % (1119 screws) of observations and incorrect in 4 % (47 screws). In the control group, the correct position was noted only in 78 % (426 screws) of cases, and the number of incorrectly inserted screws was significantly larger – 22 % (120 screws). In the study group, incorrectly inserted screws in the thoracic spine were detected in 4.8 % of cases, in the lumbar spine – in 2.5 %; in the control group, pedicle screws were incorrectly inserted in the thoracic spine in 35.1 % of cases, in the lumbar spine – in 10.1 %.
Conclusion. Using the navigation station during surgical intervention aimed at correcting the deformity of the spine in children with idiopathic scoliosis of various locations allows a significant increase in the number of correctly inserted pedicle screws used for instrumentation.
About the Authors
Dmitry N. Kokushin
The Turner Scientific Research Institute for Children’s Orthopaedics
Russian Federation
Russian Federation
MD, PhD, researcher in the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics
Parkovaya str., 64–68, Pushkin, St. Petersburg, 196603, Russia
Sergey M. Belyanchikov
The Turner Scientific Research Institute for Children’s Orthopaedics
Russian Federation
Russian Federation
MD, PhD, Head of the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics
Parkovaya str., 64–68, Pushkin, St. Petersburg, 196603, Russia
Vladislav V. Murashko
The Turner Scientific Research Institute for Children’s Orthopaedics
Russian Federation
traumatologist-orthopedist in the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics, St. Petersburg, Russia
Russian Federation
traumatologist-orthopedist in the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics, St. Petersburg, Russia
Kirill A. Kartavenko
The Turner Scientific Research Institute for Children’s Orthopaedics
Russian Federation
traumatologist-orthopedist in the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics, St. Petersburg, Russia
Russian Federation
traumatologist-orthopedist in the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics, St. Petersburg, Russia
Nikita O. Khusainov
The Turner Scientific Research Institute for Children’s Orthopaedics
Russian Federation
researcher in the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics, St. Petersburg, Russia
Russian Federation
researcher in the Department of spine pathology and neurosurgery, The Turner Scientific Research Institute for Children’s Orthopaedics, St. Petersburg, Russia
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Review
For citations:
Kokushin D.N., Belyanchikov S.M., Murashko V.V., Kartavenko K.A., Khusainov N.O. COMPARATIVE ANALYSIS OF THE ACCURACY OF PEDICLE SCREWS INSERTION IN SURGICAL TREATMENT OF CHILDREN WITH IDIOPATHIC SCOLIOSIS. Russian Journal of Spine Surgery (Khirurgiya Pozvonochnika). 2017;14(4):8-17. https://doi.org/10.14531/ss2017.4.8-17
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