Vascular mapping of head and neck: computed tomography angiography versus digital subtraction angiography

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Manuel KramerMichael Lell

Abstract

The aim of the study was to compare multislice computed tomography angiography (MSCTA) to digital subtraction angiography (DSA) for vascular mapping of the head and neck. In 50 patients who were scheduled for microvascular reconstruction of the mandible with osteomyocutaneous flaps, MSCTA was carried out before surgery. DSA served as the method of reference. Selective common carotid angiograms were acquired in 2 projections for both sides of the neck. A 64-slice spiral computed tomography (CT) was carried out with a dual-phase protocol, using the arterial phase images for 3-dimensional CTA reconstruction. Volume rendering was used to visualize MSCTA data. No adverse reactions or complications occurred during or after the procedures. All CT angiograms were of diagnostic quality. No statistically significant differences between MSCTA and DSA were found for the detection of branches of the external carotid artery that are relevant host vessels for microsurgery neither in the group of 26 patients who had not had surgical treatment before (P = .687), nor in the group of 24 patients who were affected by either a tumor recurrence or an infected osteoradionecrosis (P = .508). MSCTA proved to be a reliable alternative to DSA in vascular...Continue Reading

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Citations

Nov 17, 2009·Surgical and Radiologic Anatomy : SRA·Jin MeiMaolin Tang
Jan 5, 2012·Surgical and Radiologic Anatomy : SRA·Salvatore CappabiancaAntonio Rotondo
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Jul 16, 2008·Current Opinion in Otolaryngology & Head and Neck Surgery

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