Journal: Drug Invention Today

Article Id: JPRS-P col-00004067
Title: Morphological and morphometrical analysis of lumbar vertebrae in relation to pedicle and its clinical implications
Category: Pharmaceutics
Section: Research Article
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    Introduction: Vertebral column is piled-up vertebrae that present on the dorsal side of the human body which extends from the base of the skull to the coccyx. Spine includes cervical, thoracic, lumbar, and sacral regions comprising respective vertebrae. Pedicle screw on lumbar system is a popular technique for instrumentation to treat spinal disorders as it provides a stable fixation and corrects the spinal deformities. Morphometry of the pedicle and the adjacent neural structures should be understood to decrease the risk of post-operative complications. Materials and Methods: A total of 40 dry human disarticulated lumbar vertebrae were obtained from the Department of Anatomy, Saveetha Dental College and Hospitals and Madras Medical College, Chennai. Using a vernier caliper, the length, breadth, height of spinous process, vertebral foramen, and pedicle of lumbar vertebrae are measured. Results: In the study, the mean horizontal diameter of pedicle (HDP) ranges from 8.12 mm to 13.66 mm. The mean HDP increases from L1 to L5 vertebrae. The mean vertical diameter of pedicle (VDP) ranges from 17.78 mm to 18.95 mm. Maximum vertical diameter of vertebral pedicle was measured at L2 (18.95 mm), and the minimum diameter was at L5 (17.78 mm). Conclusion: The choice of the pedicle screw is determined by the minimum diameter of the pedicle. The success rate of pedicle screw fixation completely relies on the ability of the screw in maintaining the anchorage within the fixed site in the body of the vertebrae.

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    Author(s) Name:

    S. Priyadharshini, Karthik Ganesh Mohanraj*

    Affiliation(s) Name:

    Department of Anatomy, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India

    *Corresponding author: Karthik Ganesh Mohanraj, Department of Anatomy, Saveetha Dental College, Saveetha Institute of Medical And Technical Sciences, Saveetha University, 162, Poonamallee High Road, Chennai - 600 077, Tamil Nadu, India.

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    Author:

    S. Priyadharshini, Karthik Ganesh Mohanraj*

    Title:Morphological and morphometrical analysis of lumbar vertebrae in relation to pedicle and its clinical implications
    Journal:Drug Invention Today
    Vol(issue):12 (September )
    Year:2019
    Page No: (1977-1979)
  • Experimental Methods Keywords

    Methodology:Morphological and morphometrical analysis
    Research Materials:Lumbar vertebrae

Keywords

Lumbar vertebrae Morphometry Pedicle Transpedicular screw fixation Vertebral column

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