Roy - Camille Plates in Unstable Spinal Conditions

Kinnard, P; Ghibely, Andre; Gordon, Douglas; Trias, Antoni; Basora, Jorge

doi:10.1097/00007632-198603000-00005

Cited by 16 publications

(6 citation statements)

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“…9,[13][14][15][16] This vast discrepancy in reports raises questions with regard to the definition of a misplaced screw. In a meta-analysis performed by Kosmopoulos and Schizas 17 where 37,337 inserted pedicle screws were evaluated in 130 studies, it was concluded that a unified accuracy measure should be adopted, as 35 different pedicle screw placement assess- ment methods were identified.…”

Section: Discussionmentioning

confidence: 99%

Clinical Acceptance and Accuracy Assessment of Spinal Implants Guided With SpineAssist Surgical Robot

Dp¹,

Kaplan²,

Dietl³

et al. 2010

Spine

343

263

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Section: Discussionmentioning

confidence: 99%

Clinical Acceptance and Accuracy Assessment of Spinal Implants Guided With SpineAssist Surgical Robot

Dp¹,

Kaplan²,

Dietl³

et al. 2010

Spine

343

263

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“…As complicações relacionadas à cirurgia são, entre outras, infecção superficial ou profunda, tromboembolismo pulmonar, e várias outras complicações associadas às cirurgias de grande porte. As relacionadas a colocação do parafuso pedicular, relatada por vários autores (3,11,13,15,16,17,20,23,27,28) , são a colocação do parafuso fora do pedículo, podendo provocar lesão radicular, lesão da dura-máter, lesão vascular (26) , e fratura do pedículo. Além disso, pode ocorrer quebra do implante.…”

Section: Introductionunclassified

“…O forame intervertebral tem como limite supe- (3,11,13,15,16,17,20,23,27,28) , are the placement of the screw out of the pedicle, what may produce radicular injury, dura-mater injury, vascular injury (26) , and pedicle fracture. Besides this, it can happen the implant to cleave.…”

Section: Introductionmentioning

confidence: 99%

Anatomical study of lumbar vertebral pedicle and adjacent neural structures

Matuoka

Júnior

2002

Acta ortop. bras.

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RESUMOPara avaliação da morfometria do pedículo vertebral lombar e sua relação com as estruturas neurais, foram dissecados 14 cadáveres do sexo masculino, adultos, onde foram avaliados o tamanho do pedículo vertebral lombar, através da mensuração do seu diâmetro longitudinal e transversal. Os dados obtidos mostraram aumento do pedículo de L2 a L5, tanto no diâmetro longitudinal quanto transversal, sendo o primeiro maior. A relação do pedículo lombar com as estruturas neurais, foram avaliadas através da mensuração da distância da dura-máter à borda medial do pedículo, entre a região mais distal do pedículo à raiz nervosa que emerge abaixo deste e, de maneira indireta, a distância entre o ápice do pedículo à raiz nervosa que emerge acima deste. Os resultados obtidos mostraram que a distância entre a parte mais distal do pedículo e a raiz nervosa que emerge abaixo deste, e a distância entre a borda medial do pedículo à dura-máter, não aumentam de L2 a L5. Quanto à distância entre o ápice do pedículo à raiz nervosa que emerge acima, aumenta de L2 a L5. Localizamos também o gânglio espinhal em relação ao pedículo, sendo que 87% dos gânglios espinhais localizam-se na zona foraminal.Descritores: Cadáver; vértebras lombares; rede nervosa; duramáter; gânglios/espinhais INTRODUÇÃO O método de fixação pedicular da coluna lombar, vem sendo cada vez mais utilizado, nas últimas décadas, para o tratamento de diversas patologias. Esse método foi idealizado devido ao elevado índice de pseudoartrose após artrodese, sem fixação da coluna lombar. Vários autores (22,25) encontraram índices de 5 a 20% de pseudartrose após artrodese póstero-lateral. Thompson et al (24) , avaliaram vários pacientes submetidos a artrodese pela técnica de Hibbs, e encontraram um índice de pseudoartrose de 55%, quando realizadas de L4 a S1, e de 12%, quando de L5 a S1, SUMMARY

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“…2 The risk of screw loosening or pull out, which is mainly dependent on the quality of the bone into which the screws were embedded, 2,5,10,13,14 is increased in patients with osteoporosis because the strength of the bone at the screw-bone interface is often compromised by vertebral osteopenia. 1,3,6,9,11 This indicates that there is an increased risk of loosening or pullout after surgery in poor-quality bone, whether caused by the presence of a tumor or osteoporosis. 1,3,6,9,11 This indicates that there is an increased risk of loosening or pullout after surgery in poor-quality bone, whether caused by the presence of a tumor or osteoporosis.…”

Section: Discussionmentioning

confidence: 99%

Polymethylmethacrylate-augmented screw fixation for stabilization in metastatic spinal tumors

Jang¹,

Lee²,

Rhee³

et al. 2002

Journal of Neurosurgery: Spine

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✓ Screw fixation augmented with polymethylmethacrylate (PMMA) or some other biocompatible bone cement has been used in patients with osteoporosis requiring spinal fusion. No clinical studies have been conducted on PMMA-augmented screw fixation for stabilization of the vertebral column in patients with metastatic spinal tumors. The purpose of this study was to determine whether screw fixation augmented with PMMA might be suitable in patients treated for multilevel metastatic spinal tumors. Ten patients with metastatic spinal tumors involving multiple vertebral levels underwent stabilization procedures in which PMMA was used to augment screw fixation after decompression of the spinal cord. Within 15 days, partial or complete relief from pain was obtained in all patients postoperatively. Two of four patients in whom neurological deficits caused them to be nonambulatory before surgery were able to ambulate postoperatively. Neither collapse of the injected vertebral bodies nor failure of the screw fixation was observed during the mean follow-up period of 6.7 months. Screw fixation augmented with PMMA may offer stronger stabilization and facilitate the instrumentation across short segments in the treatment of multilevel metastatic spinal tumors.

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Roy - Camille Plates in Unstable Spinal Conditions

Cited by 16 publications

References 0 publications

Clinical Acceptance and Accuracy Assessment of Spinal Implants Guided With SpineAssist Surgical Robot

Clinical Acceptance and Accuracy Assessment of Spinal Implants Guided With SpineAssist Surgical Robot

Anatomical study of lumbar vertebral pedicle and adjacent neural structures

Polymethylmethacrylate-augmented screw fixation for stabilization in metastatic spinal tumors

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