Abstract:
BACKGROUND AND OBJECTIVES:Cervical medial branch blocks are used to treat patients with chronic neck pain. The aim of this study was to clarify the anatomical aspects of the cervical medial branches to improve the accuracy and safety of radiofrequency denervation. METHODS:Twenty cervical specimens were harvested from 20 adult cadavers. The anatomical parameters of the C4-C7 cervical medial branches were measured. The 3-dimensional computed tomography reconstruction images of the bone were also analyzed. RESULTS:Based on cadaveric analysis, most of the cervical dorsal rami gave off 1 medial branch; however, the cervical dorsal rami gave off 2 medial branches in 27%, 15%, 2%, and 0% at the vertebral level C4, C5, C6, and C7, respectively. The diameters of the medial branches varied from 1.0 to 1.2 mm, and the average distance from the notch of inferior articular process to the medial branches was about 2 mm. Most of the bifurcation sites were located at the medial side of the posterior tubercle of the transverse process. On the analysis of 3-dimensional computed tomography reconstruction images, cervical medial branches (C4 to C6) passed through the upper 49% to 53% of a line between the tips of 2 consecutive superior articular processes (anterior line). Also, cervical medial branches passed through the upper 28% to 35% of a line between the midpoints of 2 consecutive facet joints (midline). CONCLUSIONS:The present anatomical study may help improve accuracy and safety during radiofrequency denervation of the cervical medial branches.
journal_name
Reg Anesth Pain Medjournal_title
Regional anesthesia and pain medicineauthors
Kweon TD,Kim JY,Lee HY,Kim MH,Lee YWdoi
10.1097/AAP.0000000000000175subject
Has Abstractpub_date
2014-11-01 00:00:00pages
465-71issue
6eissn
1098-7339issn
1532-8651journal_volume
39pub_type
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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更新日期:1999-01-01 00:00:00
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章
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更新日期:2011-03-01 00:00:00
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journal_title:Regional anesthesia and pain medicine
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更新日期:2005-09-01 00:00:00
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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doi:
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
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journal_title:Regional anesthesia and pain medicine
pub_type: 杂志文章,随机对照试验
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journal_title:Regional anesthesia and pain medicine
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