Morphometric characteristics of lumbar vertebral pedicles in Mexican population. Implications for transpedicular lumbar fusion surgery

Castro Reyes, C. y Vidal Torres, O. y Cámara RodríGuez, L. y Aguirre, P. y Salinas Zertuche, A. y de la Garza Castro, Oscar y Vilchez Cavazos, Félix y Morales Avalos, Rodolfo y Elizondo Omaña, Rodrigo Enrique y Guzmán López, Santos (2015) Morphometric characteristics of lumbar vertebral pedicles in Mexican population. Implications for transpedicular lumbar fusion surgery. Journal of Morphological Sciences, 32 (01). 037-042. ISSN 2177-0298

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URL o página oficial: http://doi.org/10.4322/jms.072014

Resumen

Introduction. Spinal fusion surgery using transpedicular fixation is the most common technique for surgical treatment of spinal pathologies of any etiology. The morphometric characteristics of the vertebral pedicle determine the size and shape of pedicle implants. The objective of this study is to determine the morphometric characteristics of the lumbar vertebral pedicle in Mexican population by direct measurement of bone parts. Materials and Methods. We analyzed 65 L1–L5 cadaver lumbar spines from a collection of bone specimens from the Department of Human Anatomy. Pedicle width, height, and length were determined bilaterally in each sample studied. We obtained measures of central tendency, and parametric correlation tests were performed with a 95% confidence interval to determine if significant differences exist between the lumbar vertebral levels. Results. Pedicle width increased from L1 to L5. We obtained a minimum mean value of 7.40 ± 1.84 mm at L1 and a maximum mean value of 14.74 ± 3.77 mm at L5. Pedicle height decreased from L1 to L4 with a subsequent increase at L5. We obtained a maximum mean value of 18.32 ± 4.15 mm at L5 and minimum mean value of 14.09 mm ± 2.75 at L4. Significant differences were observed (P < 0.05) when groups were compared. Conclusions. This study accurately describes the morphometric characteristics of the lumbar vertebral pedicle. These data will be useful for correct selection and positioning of transpedicular screws.

Tipo de elemento: Article
Palabras claves no controlados: Vertebra, Pedicle, Morphometry, Lumbar, Transpedicular approach.
Divisiones: Medicina
Usuario depositante: Lic. Jesús E. Alvarado
Creadores:
CreadorEmailORCID
Castro Reyes, C.NO ESPECIFICADONO ESPECIFICADO
Vidal Torres, O.NO ESPECIFICADONO ESPECIFICADO
Cámara RodríGuez, L.NO ESPECIFICADONO ESPECIFICADO
Aguirre, P.NO ESPECIFICADONO ESPECIFICADO
Salinas Zertuche, A.NO ESPECIFICADONO ESPECIFICADO
de la Garza Castro, OscarNO ESPECIFICADONO ESPECIFICADO
Vilchez Cavazos, FélixNO ESPECIFICADONO ESPECIFICADO
Morales Avalos, RodolfoNO ESPECIFICADONO ESPECIFICADO
Elizondo Omaña, Rodrigo Enriquerod_omana@yahoo.comNO ESPECIFICADO
Guzmán López, SantosNO ESPECIFICADONO ESPECIFICADO
Fecha del depósito: 14 Mayo 2019 21:33
Última modificación: 29 Ago 2019 17:03
URI: http://eprints.uanl.mx/id/eprint/14996

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