A biomechanical comparison of open and thoracoscopic anterior spinal release in a goat model

Spine
P O NewtonDwight Bronson

Abstract

A biomechanical assessment of anterior release and discectomy in the thoracic spine was performed on an animal model using thoracoscopic and open thoracotomy techniques. To compare the relative efficacy of these two techniques of release in achieving increased spinal mobility. The clinical use of video-assisted thoracoscopy in the correction of spinal deformity is increasing. The effectiveness of thoracoscopic anterior spinal release with discectomy has not been evaluated biomechanically. Anterior release with discectomy was performed on six midthoracic motion segments in five mature goats. The thoracoscopic technique was used for three levels on one side, and an open thoracotomy was used for the alternating three levels of the contralateral side. The duration of surgery for disc excision and the amount of blood loss for each technique were recorded. The intact cranial and caudal motion segments served as controls. The motion segments were individually subjected to nondestructive biomechanical testing. Torsional, sagittal, and coronal bending torques were applied, and the resulting angular displacement was measured. The duration of surgery to remove a disc thoracoscopically decreased as experience was gained by the surgeon. The...Continue Reading

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Citations

Dec 22, 2005·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Kenneth M C CheungKeith D K Luk
Nov 10, 2004·Spine·Mohammed J Al-SayyadRandal K Wolf
May 18, 2005·Spine·Eric J WallAlvin H Crawford
Feb 9, 2005·Journal of Spinal Disorders & Techniques·Daniel J Sucato, Reagan Flohr
Nov 17, 2007·Spine·Robert P NortonAlexander R Vaccaro
Oct 17, 2007·Journal of Orthopaedic Surgery and Research·Kenneth Mc CheungKeith Dk Luk
Oct 2, 2008·Neurosurgery·Justin S SmithChristopher P Ames
Mar 16, 2005·Neurosurgical Focus·Gregory C WigginsArnold H Menezes
Aug 5, 2008·Neurosurgical Focus·Justin S SmithRichard G Fessler
Mar 31, 2005·Journal of Neurosurgery. Spine·J Patrick JohnsonRobert S Bray
Feb 19, 2008·Archives de pédiatrie : organe officiel de la Sociéte française de pédiatrie·F Becmeur, D Gossot
Oct 20, 2007·The Orthopedic Clinics of North America·Vidyadhar V Upasani, Peter O Newton
May 3, 2006·The Journal of Bone and Joint Surgery. American Volume·Baron S LonnerCarrie Scharf
Aug 18, 1999·Arquivos de neuro-psiquiatria·J W Martins, N de Figueiredo Neto
Aug 2, 2003·The Journal of the American Academy of Orthopaedic Surgeons·Daniel J Sucato
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May 3, 2005·Clinical Orthopaedics and Related Research·Mohammed J Al-SayyadRandal K Wolf

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