Anatomic basis of anterior and posterior instrumentation of the spine: morphometric study

Abuzayed, Bashar; Tutunculer, Banu; Küçükyürük, Barış; Tüzgen, Saffet

doi:10.1007/s00276-009-0545-4

Cited by 36 publications

(31 citation statements)

References 22 publications

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“…A study by Abuzayed et al conducted in a Turkish population using CT scan reported a mean anteroposterior diameter of 15.6-17.6 mm, which is slightly larger than the values reported in the cadaveric studies conducted by Ebraheim et al (1998; or the present study (14.68 -17.47 mm). The transverse diameter of the vertebral body reported by Abuzayed (2010) is also slightly greater than what we found in the Mexican population (19.17 -23.44 mm). These slight variations may be explained by the differences in race, but they must be taken into consideration during surgical procedures.…”

Section: Discussioncontrasting

confidence: 67%

“…One of the most frequent and complex procedures for this is the placement of transpedicular screws (Kayalioglu et al, 2007;Yusof et al, 2007;Sieradzki et al, 2008;Abuzayed et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…Morphometric studies of the cervical, thoracic, and lumbar vertebrae have been conducted (Abuzayed et al;Kayalioglu et al;Pal & Routal, 1986;Olsewski et al, 1990;Hou et al, 1993;Ebraheim et al, 1996;Pal & Routal, 1996;Christodolou et al, 2005;Liau et al, 2006;Ebraheim et al, 2008;Urrutia-Vega et al, 2009), and the majority of these studies highlight the importance of such studies in the development of vertebral column instrumentation (UrrutiaVega et al; Ebraheim et al, 1996;Olsewski et al). These studies have used diverse techniques to obtain the vertebral column measurements, among which the following are notable: CT scan (Abuzayed et al; Sieradzki et al; Yusof et al), cadaveric studies (Kayalioglu et al, 2007), radiography (Sieradzki et al) and fluoroscopy (Urrutia-Vega et al).…”

Section: Introductionmentioning

confidence: 99%

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Morphometric Study of Cervical Vertebrae C3-C7 in a Population from Northeastern Mexico

Cruz¹,

Larios²,

Sánchez³

et al. 2011

Int. J. Morphol.

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SUMMARY:Knowing the dimensions of the vertebral elements is very important for the development of instrumentation related to the cervical spine. Ethnic variations have been reported in these dimensions and, to date, there have been no morphometric studies of this area performed on the Mexican population. We conducted a morphometric study of 150 cervical vertebrae (C3-C7) obtained from a northeastern Mexican population to determine the dimensions of the bodies, pedicles, laminae, spinous processes, and superior and inferior articular processes. We did not find significant differences (p<0.05) in measurements taken of the left and right sides. The dimensions of the vertebral bodies were larger at lower levels. The pedicles of the C3 vertebra were larger in all dimensions compared to the other vertebrae. The largest height of the laminae was observed at C7 and the largest transverse length was observed at C5. The dimensions of the bodies, spinous processes, and laminae increased from C3-C7, whereas the dimensions of the pedicles and superior and inferior articular process height decreased toward the lower cervical levels.

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Section: Discussioncontrasting

confidence: 67%

“…One of the most frequent and complex procedures for this is the placement of transpedicular screws (Kayalioglu et al, 2007;Yusof et al, 2007;Sieradzki et al, 2008;Abuzayed et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Morphometric Study of Cervical Vertebrae C3-C7 in a Population from Northeastern Mexico

Cruz¹,

Larios²,

Sánchez³

et al. 2011

Int. J. Morphol.

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“…The Anatomical details and dimensions of cervical vertebrae are very important for cervical Spine instrumentation like Trans pedicle screwing [3]. Many Authors have explained about various dimensions of cervical vertebrae by studying CT scan, Direct measurements in bone specimens (Abuzayed et al [3], pankaj & Nepal et al [4], Sandeep saluja et al [5], Chen chun et al [6],Partha sarathy Banerjee et al [7]).…”

Section: Discussionmentioning

confidence: 99%

“…Many Authors have explained about various dimensions of cervical vertebrae by studying CT scan, Direct measurements in bone specimens (Abuzayed et al [3], pankaj & Nepal et al [4], Sandeep saluja et al [5], Chen chun et al [6],Partha sarathy Banerjee et al [7]). They have spent their valuable time in these analyses.…”

Section: Discussionmentioning

confidence: 99%

Variations in the Dimensions of Sub Axial Vertebrae and Its Clinical Significance

Ananthi¹,

Umarani²,

Muniappan³

2017

IJAR

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Electrospun biodegradable poly(ε‐caprolactone) membranes for annulus fibrosus repair: Long‐term material stability and mechanical competence

et al. 2020

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Background: Electrospun (ES) poly(ϵ-caprolactone) (PCL) is widely used to provide critical mechanical support in tissue engineering and regenerative medicine applications. Therefore, there is a clear need for understanding the change in the mechanical response of the membranes as the material degrades in physiological conditions. Study Design: ES membranes with fiber diameters from 1.6 to 6.7 μm were exposed to in vitro conditions at 37 C in Dulbecco's modified Eagle's medium (DMEM) or dry for up to 6 months. Methods: During this period, the mechanical properties were assessed using cyclic mechanical loading, and material properties such as crystallinity and ester bond degradation were measured. Results: No significant difference was found for any parameters between samples kept dry and in DMEM. The increase in crystallinity was linear with time, while the ester bond degradation showed an inverse logarithmic correlation with time. All samples showed an increase in modulus with exposure time for the first loading cycle. Modulus changes for the consecutive loading cycles showed a nonlinear relationship to the exposure time that depended on membrane type and maximum strain. In addition, the recovered elastic range showed an expected increase with the maximum strain reached. The mechanical response of ES membranes was compared to experimental tensile properties of the human annulus fibrosus tissue and an in silico model of the intervertebral disk. The modulus of the tested membranes was at the lower range of the values found in literature, while the elastically recoverable strain after preconditioning for all membrane types lies within the desired strain range for this application. Conclusion: The long-term assessment under application-specific conditions allowed to establish the mechanical competence of the electrospun PCL membranes. It can be concluded that with the use of appropriate fixation, the membranes can be used to create a seal on the damaged AF.

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Anatomic basis of anterior and posterior instrumentation of the spine: morphometric study

Cited by 36 publications

References 22 publications

Morphometric Study of Cervical Vertebrae C3-C7 in a Population from Northeastern Mexico

Morphometric Study of Cervical Vertebrae C3-C7 in a Population from Northeastern Mexico

Variations in the Dimensions of Sub Axial Vertebrae and Its Clinical Significance

Electrospun biodegradable poly(ε‐caprolactone) membranes for annulus fibrosus repair: Long‐term material stability and mechanical competence

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