The anatomy and clinical importance of the collateral circles between the vertebral arteries and the cervical, costo-cervical, and occipital branches in 52 living subjects.

C. Macchi, C. Catini

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3 Citations (Scopus)

Abstract

In this study, 52 cases of vertebral artery obstruction, comprising 29 women and 23 men between the ages of 27 and 78 years, were taken into consideration. The relevant arterial territories of these patients, who had sought medical attention for a variety of symptoms, were studied by means of doppler ultrasound, duplex, and digital subtraction angiography. Of the original 52 patients, 38 were excluded because of the failure to demonstrate a functional collateral circle with the vertebral artery distal to the point of its obstruction. Of the 14 remaining patients (6 men, 8 women), a collateral circle through cervical branches arising from the thyrocervical and costo-cervical trunks was demonstrable in 7. Six others (3 men, 3 women) demonstrated a collateral circle through a combination of cervical and occipital artery branches. In one (female) case, a collateral circle was demonstrated through the sole occipital artery. With the exception of a single case (a 47-year-old woman), the occlusion was localized to the origin of the vertebral artery. Hemodynamically, the collateral circles were sufficient to maintain perfusion.

Original languageEnglish
Pages (from-to)153-163
Number of pages11
JournalItalian journal of anatomy and embryology = Archivio italiano di anatomia ed embriologia
Volume98
Issue number3
Publication statusPublished - Jul 1993

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Vertebral Artery
Anatomy
Arteries
Doppler Ultrasonography
Digital Subtraction Angiography
Perfusion

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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