Journal: Drug Invention Today

Article Id: JPRS-Pcol-00002531
Title: Morphological and morphometrical analysis of Chassaignac’s tubercle in dry human cervical vertebrae
Category: Pharmacology
Section: Research Article
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    Introduction: The prominent anterior tubercle of the transverse process of the sixth cervical vertebra is called as “Chassaignac’s tubercle” or “carotid tubercle.” This tubercle separates the carotid artery from the vertebral artery. The carotid artery can be compressed against this tubercle to relieve the symptoms of supraventricular tachycardia. This tubercle serves as an important landmark for anesthetists to perform stellate ganglion nerve block (SGB) during several diseased conditions of head, neck, and upper limbs. Hence, the aim of our study is to evaluate the morphological and morphometrical variations of Chassaignac’s tubercle in human dry cervical vertebrae and to correlate it with clinical considerations. Materials and Methods: A total of 30 sixth cervical vertebrae of unknown sex and without any gross abnormality were collected and evaluated from the Department of Anatomy, Saveetha Dental College and Madras Medical College, Chennai. The anterior tubercle of the sixth cervical vertebra was located, and with the help of Vernier Caliper, the length and breadth of the tubercle on both the right and left sides were measured and noted. Results: The sixth cervical vertebrae showed its mean length of 2.89 ± 0.53 mm, mean breadth of 2.11 ± 0.35 mm, and mean height of 3.76 ± 0.49 mm. The tubercles which are present prominently on both sides (bilateral) and on one side (unilateral-right or Left) were counted and tabulated. Conclusion: This study suggests that the prominence of the carotid tubercle facilitates its easy appearance for finding the SGB in radiographs. Its diminished presence complicates the nerve block procedure and leads to the damage of the vertebral artery. Hence, its presence serves as a prominent landmark and often the most preferred location to avoid the course of the vertebral artery.

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    Author(s) Name:

    Kethan Umakanth1 , K. Yuvaraj Babu2 , Karthik Ganesh Mohanraj 3 *

    Affiliation(s) Name:

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

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

    3 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:

    Kethan Umakanth1 , K. Yuvaraj Babu2 , Karthik Ganesh Mohanraj 3 *

    Title:Morphological and morphometrical analysis of Chassaignac’s tubercle in dry human cervical vertebrae
    Journal:Drug Invention Today
    Vol(issue):10 (Oct)
    Year:2018
    Page No: (1943-1945)
  • Experimental Methods Keywords

    Methodology:Morphometry
    Research Materials:Dry human cervical vertebrae

Keywords

Chassaignac’s tubercle Morphometry Sixth cervical vertebra Stellate ganglion nerve block

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