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A modified technique to bypass the maxillary artery to supraclinoid internal carotid artery by using radial artery graft: an anatomical study

Published online by Cambridge University Press:  08 March 2006

Hamdi Arbağ ,
Mehmet Erkan Ustun ,
Mustafa Buyukmumcu ,
Aynur Emine Cicekcibasi  and
Cagatay Han Ulku
Hamdi Arbağ
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, University of Selcuk, Meram Medical School, Turkey
Mehmet Erkan Ustun
Affiliation:
Department of Otolaryngology, Head and Neck Surgery, University of Selcuk, Meram Medical School, Turkey
Mustafa Buyukmumcu
Affiliation:
Department of Anatomy, University of Selcuk, Meram Medical School, Turkey
Aynur Emine Cicekcibasi
Affiliation:
Department of Anatomy, University of Selcuk, Meram Medical School, Turkey
Cagatay Han Ulku
Affiliation:
Department of Neurosurgery, University of Selcuk, Meram Medical School, Turkey
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Abstract

Objective: This study aims to examine the use of a radial artery graft for bypass of the maxillary artery (MA) to the supraclinoid internal carotid artery (ICA) in treating ICA occlusions.

Study design and setting: This method was carried out on five adult cadaver sides. The MA was reached 1–2 cm inferior to the crista infratemporalis, following a frontotemporal craniotomy and a zygomatic arch osteotomy. Extradurally 2–3 cm lateral to the foramen rotundum, a hole was drilled in the sphenoid bone with a 4 mm tipped drill. A radial artery graft was passed through the hole to the inside of the dura. Before giving the infraorbital artery branch, the MA was dissected from the surrounding tissue and transected. The proximal end of the graft was anastomosed end-to-end with the MA and the distal end of the graft end-to-side with the supraclinoid ICA.

Results: The mean calibre of the MA was 2.6 ± 0.3 mm. The mean calibre of the proximal end of the radial artery graft was 2.5 ± 0.25 mm and the distal end was 2.35 ± 0.2 mm. The mean length of the radial artery graft was 4.0 ± 0.5cm.

Conclusion: This study suggested that the cases with ICA occlusion, which require high blood flow, may be treated as an alternative to current bypass methods requiring long vein grafts.

Keywords

Carotid ArteryInternalRadial ArteryTransplantsAnastomosisSurgicalCerebrovascular Disorders
Type
Research Article
Information
The Journal of Laryngology & Otology , Volume 119 , Issue 7 , July 2005 , pp. 519 - 523
Copyright
© 2005 Royal Society of Medicine Press

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