2014
DOI: 10.3340/jkns.2014.56.6.475
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Anatomic Feasibility of Posterior Cervical Pedicle Screw Placement in Children: Computerized Tomographic Analysis of Children Under 10 Years Old

Abstract: ObjectiveTo evaluate the anatomical feasibility of 3.5 mm screw into the cervical spine in the pediatric population and to establish useful guidelines for their placement.MethodsA total of 37 cervical spine computerized tomography scans (24 boys and 13 girls) were included in this study. All patients were younger than 10 years of age at the time of evaluation for the period of 2007-2011.ResultsFor the C1 screw placement, entry point height (EPH) was the most restrictive factor (47.3% patients were larger than … Show more

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Cited by 14 publications
(16 citation statements)
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“…Thus, searching for a safe option for the treatment of subaxial lesions in pediatric patients, we find in the literature the studies of Lee et al, 6 and Al-Shamy et al 7 that show the safety of inserting lateral mass screws with diameters of 3.5mm, which is possible in patients from 4 years of age. However, to date, there is no work analyzing the same parameters in the Brazilian population and respecting our population parameters.…”
Section: Introductionmentioning
confidence: 99%
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“…Thus, searching for a safe option for the treatment of subaxial lesions in pediatric patients, we find in the literature the studies of Lee et al, 6 and Al-Shamy et al 7 that show the safety of inserting lateral mass screws with diameters of 3.5mm, which is possible in patients from 4 years of age. However, to date, there is no work analyzing the same parameters in the Brazilian population and respecting our population parameters.…”
Section: Introductionmentioning
confidence: 99%
“…[2][3] The main problem with the use of transpedicular screws in the cervical region is the technical difficulty of their insertion, due to the dimension of the pedicles, the impossibility of using this technique in the segment between C3 and C6, and the risks of severe complications, such as lesion of the vertebral arteries, spinal cord and nerve roots. [4][5][6] The use of intraoperative radioscopy can help in the placement of these screws.…”
Section: Introductionmentioning
confidence: 99%
“…В последние шесть лет винтовая фиксация шейного отдела позвоночника у детей получила широкое распространение [2,6,8,10,13,16,20,23,26,29,33,35,40,42,43,47,51,53]. Использование винтовых конструкций для лечения патологии позвоночника позволяет создавать надежный каркас для дальнейшего спондилодеза [4,13,22,43], интраоперационно выполнять посегментарную редукцию смещений [13,33,41,43], избегать длительного применения гало-аппарата [4,8,9,11,13,14,18,32,43], является биомеханически надежным видом фиксации, поскольку при 3-колонной системе распределения нагрузки тела позвонков и передняя колонна несут 36 % опорной нагрузки, а задние структуры шейного отдела позвоночника берут на себя больший вес (64 %).…”
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“…При КТ-морфометрии шейного отдела позвоночника обнаружено, что у большинства детей старше 1,5 лет возможно безопасное введение винтов размером от 3,5 на 10,0 мм в боковые массы С 1 [5,10], при этом ограничения в размере винта в основном связаны с высотой боковой массы С 1 [29]. [46], перфорация стенки позвоночного канала без повреждения спинного мозга [53], обильное кровотечение из венозного сплетения при диссекции точки входа в С 1 [53].…”
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