Dorsal instrumentation for idiopathic adolescent thoracic scoliosis: rod rotation versus translation

Muschik, M.; Schlenzka, Dietrich; Robinson, Peter N.; Kupferschmidt, Claus

doi:10.1007/s005860050136

Cited by 36 publications

(14 citation statements)

References 23 publications

(32 reference statements)

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“…Stability of the construct is comparable to any other system and there is no need of postoperative bracing in most patients 7–91214. The risk of proximal junctional kyphosis is comparable to those in literature using other instrumentation techniques 14.…”

Section: Discussionsupporting

confidence: 55%

Spinal loop rectangle and sub laminar wiring as a technique for scoliosis correction

Bhojraj

Varma

Nene

et al. 2010

IJOO

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Background:Most literature popularizes the efficacy of third generation instrumentation in the surgical correction of spinal deformities. A cheap and effective scoliotic deformity correction method is reviewed in this article. The aim of this study is to evaluate the efficacy of spinal loop rectangle and sub laminar wires as a modality for spinal deformity correction and its co-relation with patients' satisfaction and clinical outcome.Material and Methods:Thirty six patients of scoliotic spinal deformities with various etiologies (congenital-4, idiopathic- 25, neurofibromatosis-3, neuromuscular-2 and ‘syndromic’-3) with ages ranging from 8 to 23 years underwent corrective posterior spinal arthrodesis with stainless steel Hartshill loop rectangle and sublaminar wires. Clinicoradiological evaluation was done at an average follow-up of 6 ½ years (min-2 ½, years). Along with clinicoradiological outcome, patient satisfaction (as per the SRS 24), was accounted.Results:Average preoperative Cobb's angle were 73.25° in the entire group and 66.48° in the idiopathic group. Average percentage correction was 64.34% in the entire group and the (average degree of correction was 47.13). In the idiopathic group, the respective values were 69.19% and 46°. Loss of correction in the whole group was 2.2° at two year follow up. Sagittal profiles, truncal balance were well corrected too; minimal complications were seen. Patient satisfaction results were encouraging in 36 patients as per – SRS24). About 80.2% patients were ready to undergo the same surgery if required. (SRS24).Conclusion:Segmental spinal fixation with locally made spinal loop rectangle and sublaminar wires is comparable as a modality to correct scoliotic spinal deformities.

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Section: Discussionsupporting

confidence: 55%

Spinal loop rectangle and sub laminar wiring as a technique for scoliosis correction

Bhojraj

Varma

Nene

et al. 2010

IJOO

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“…

IntroductionPerforming studies using mathematical models of the spine can provide a better understanding of spinal behaviour [8,12]. The results from the studies can provide crucial information for spinal instrumentation [3,5,6,10] and spinal management, and useful guidelines for the use of devices [1,9].

…”

mentioning

confidence: 99%

Quantitative three-dimensional anatomy of cervical , thoracic and lumbar vertebrae of Chinese Singaporeans

Tan

Teo

Chua

2004

European Spine Journal

190

148

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This paper details the quantitative three-dimensional anatomy of cervical, thoracic and lumbar vertebrae (C3-T12) of Chinese Singaporean subjects based on 220 vertebrae from 10 cadavers. The purpose of the study was to measure the linear dimensions, angulations and areas of individual vertebra, and to compare the data with similar studies performed on Caucasian specimens. Measurements were taken with the aid of a three-dimensional digitiser. The means and standard errors for linear, angular and area dimensions of the vertebral body, spinal canal, pedicle, and spinous and transverse processes were obtained for each vertebra. Compared to the Caucasian data, all the dimensions were found to be smaller. Of significance were the spinal canal area, and pedicle width and length, which were smaller by 31.7%, 25.7% and 22.1% on average, respectively. A slight divergence, instead of convergence, was found from T8 to T12. According to the findings, the use of a transpedicle screw may not be feasible. The results can also provide more accurate modelling for analysis and design of spinal implants and instrumentations, and also allow more precise clinical diagnosis and management of the spine in Chinese Singaporeans.

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“…26 In our study, all the patients underwent the same surgical liberation procedure. The deformity correction technique was performed via a posterior approach, with instrumentation with pedicle screws in all the vertebrae included in the arthrodesis.…”

Section: Methodsmentioning

confidence: 99%

Sagittal curve and high metal density in adolescent idiopathic scoliosis

Fernandes

Bergamaschi²,

Pellegrino³

et al. 2014

Coluna/Columna

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Objectives: To analyze radiographically the postoperative kyphosis from patients undergoing surgical treatment for AIS with pedicle screws in all vertebrae included in the arthrodesis. Methods: Retrospective study. The following measurements were evaluated: Cobb angle in anteroposterior radiograph of the three curves (proximal thoracic, main thoracic, and lumbar), Cobb angle in the lateral view of the two curves: thoracic kyphosis (T5-T12) and lumbar lordosis (T12-S1). Results: Of the 25 patients evaluated preoperatively, four (16%) were hypokyphotic, 20 patients (80%) were normokyphotic and only one (4%) was hyperkyphotic. For hypokyphotic and hiperkyphotic patients a satisfactory correction of thoracic kyphosis was obtained in 100% of cases, which was preserved in the final result. The same pattern of thoracic kyphosis was observed for all normokyphotic patients throughout the follow-up. Conclusion: Radiographic evaluation of thoracic kyphosis in patients with AIS treated surgically with pedicle screws in all vertebrae showed satisfactory results with respect to the correction of thoracic kyphosis.Keywords: Spine; Kyphosis; Surgical procedures, operative; Bone screws. rEsUMO Objetivos: Analisar radiograficamente a cifose no pós-operatório dos pacientes submetidos ao tratamento cirúrgico da EIA com parafusos pediculares em todas as vértebras envolvidas na artrodese. Métodos: Estudo retrospectivo. Foram avaliadas as seguintes medidas: ângulo de Cobb na radiografia em incidência anteroposterior das três curvas (torácica proximal, torácica principal e lombar), ângulo de Cobb na radiografia em perfil das duas curvas: cifose torácica (T5-T12) e da lordose lombar (T12-S1

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Dorsal instrumentation for idiopathic adolescent thoracic scoliosis: rod rotation versus translation

Cited by 36 publications

References 23 publications

Spinal loop rectangle and sub laminar wiring as a technique for scoliosis correction

Spinal loop rectangle and sub laminar wiring as a technique for scoliosis correction

Quantitative three-dimensional anatomy of cervical , thoracic and lumbar vertebrae of Chinese Singaporeans

Sagittal curve and high metal density in adolescent idiopathic scoliosis

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