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Czasopismo

2010 | 69 | 4 |

Tytuł artykułu

An anatomical study in a Chinese population of the position of the rib head for placing anterior vertebral body screws

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The instrumentation of anterior vertebral body screws has become an important approach for the treatment of unstable fractures or curvature of the spine, but little attention has been paid to the starting point of placing the screws and the variability of the rib head position. We analysed the variability of rib head position in a Chinese population in terms of the spinal canal and vertebral body using computed tomography (CT). Images from transverse CT scans of the T4–T12 vertebral bodies of 30 normal individuals were 3-D reconstructed and analysed for measurement of parameters which included: 1) distance between the left (or right) anterior border of the rib head and the posterior (or anterior) margin of the vertebral body [L(R)ARHP(A)VB]; 2) left (or right) transverse dimension [L(R)TD]; 3) left (or right) posterior (or anterior) safe angle [L(R)P(A)SA]; and 4) distance between the inferior border of the left (or right) rib head and the superior (or inferior) end-plate in the sagittal plane [I L(R)RHS(I)EP]. The ARHPVB, PSA, and IRHIEP gradually decrease, but ARHAVB, TD, ASA, and IRHSEP gradually increase, from T4 to T12, indicating that the position of the rib head changes from a more anterior position to a more posterior position and from a more superior position to a more inferior position, as the number of the vertebra increases. Our study has provided a comprehensive reference guide for accurate and safe instrumentation of vertebral body screws in treating related spine diseases. (Folia Morphol 2010; 69, 4: 232–240)

Wydawca

-

Czasopismo

Rocznik

Tom

69

Numer

4

Opis fizyczny

p.232-240,fig.,ref.

Twórcy

autor
  • Section of Clinical Anatomy, Department of Anatomy, Southern Medical University, NO.1023 Shatai Southern Road of Baiyun District, Guangzhou, Guangdong Province, P.R.China
autor
  • Section of Clinical Anatomy, Department of Anatomy, Southern Medical University, Guangdong Province, P.R.China
autor
  • Department of Anatomy, Inner Mongolia Medical College, Mongolia, P.R.China
autor
  • Department of Anatomy, Inner Mongolia Medical College, Mongolia, P.R.China

Bibliografia

  • 1. Assaker R, Reyns N, Pertruzon B, Lejeune PJ (2001) Image-guided endoscopic spine surgery: part II: clinical applications. Spine, 26: 1711–1718.
  • 2. Basobas L, Mardjetko S, Hammerberg K, Lubicky J (2003) Selective anterior fusion and instrumentation for the treatment of neuromuscular scoliosis. Spine, 28: S245–S248.
  • 3. Betz RR, Harms J, Clements DH, Lenke LG, Lowe TG, Shufflebarger HL, Jeszenszky D, Beele B (1999) Comparison of anterior and posterior instrumentation for correction of adolescent thoracic idiopathic scoliosis. Spine, 24: 225–239.
  • 4. Betz RR, Shufflebarger H (2001) Anterior versus posterior instrumentation for the correction thoracic idiopathic scoliosis. Spine, 26: 1095–1100.
  • 5. Kamimura M, Kinoshita T, Itoh H, Yuzawa Y, Takahashi J, Hirabayashi H, Nakamura I (2002) Preoperative CT examination for accurate and safe anterior spinal instrumentation surgery with endoscopic approach. J Spinal Disorders Techniques 15: 47–51.
  • 6. Lenke LG (2003) Anterior endoscopic discectomy and fusion for adolescent idiopathic scoliosis. Spine, 28: S36–S43.
  • 7. Lowe TG, Alongi PR, Smith DAB, O’Brien MF, Mitchell SL, Pinteric RJ (2003) Anterior single rod instrumentation for thoracolumbar adolescent idiopathic scoliosis with and without the use of structural interbody support. Spine, 28: 2232–2241.
  • 8. Lowe T, O’Brien M, Smith DM, Fitzgerald D, Vraney R, Eule J, Alongi P (2002) Central and Juxta-Endplate vertebral body screw placement: a biomechanical analysis in a human cadaveric model. Spine, 27: 369–373.
  • 9. Mohamad F, Oka R, Mahar A, Wedemeyer M, Newton P (2006) Biomechanical comparison of the screw-bone interface: optimization of 1 and 2 screw constructs by varying screw diameter. Spine, 31: E535–E539.
  • 10. Parent S, Labelle H, Skalli W, Latimer B, de Guise J (2002) Morphometric analysis of anatomic scoliotic specimens. Spine, 27: 2305–2311.
  • 11. Scoles PV, Latimer BM, DigIovanni BF, Vargo E, Bauza S, Jellema LM (1991) Vertebral alterations in Scheuermann’s kyphosis. Spine, 16: 509–515.
  • 12. Sucato DJ (2003) Thoracoscopic anterior instrumentation and fusion for idiopathic scoliosis. J Am Acad Orthop Surg, 11: 221–227.
  • 13. Sucato DJ, Kassab F, Dempsey M (2004) Analysis of screw placement relative to the aorta and spinal canal following anterior instrumentation for thoracic idiopathic scoliosis. Spine, 29: 554–559.
  • 14. Sweet FA, Lenke LG, Bridwell KH, Blanke KM (1999) Maintaining lumbar lordosis with anterior single solid-rod instrumentation in thoracolumbar and lumbar adolescent idiopathic scoliosis. Spine, 24: 1655–1662.
  • 15. Zhang H, Sucato DJ, Welch RD (2004) Anterior vertebral body screw position placed thoracoscopically a function of anatomy and surgeon experience in a porcine model. Spine, 29: 815–822.
  • 16. Zhang H, Sucato DJ (2006) Regional differences in anatomical landmarks for placing anterior instrumentation of the thoracic spine in both normal patients and patients with adolescent idiopathic scoliosis. Spine, 31: 183–189.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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