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Eur J Vasc Endovasc Surg. 2009 Mar;37(3):251-61. doi: 10.1016/j.ejvs.2008.10.015. Epub 2008 Nov 29.

Joint recommendations for reporting carotid ultrasound investigations in the United Kingdom.

Author information

1
Regional Medical Physics Department, Freeman Hospital, Newcastle Upon Tyne NE4 6BE, United Kingdom. crispian.oates@nuth.nhs.uk

Abstract

At present in the United Kingdom a number of different criteria are used to grade disease in carotid ultrasound investigations. One main cause of this has been the difference in the method of grading angiograms used in the NASCET and ECST large carotid surgery trials. It is desirable that all centres reporting carotid ultrasound investigations report to the same standard. This paper presents recommendations for the reporting of ultrasound investigations of the extra cranial arteries produced by a Joint Working Group formed between the Vascular Society of Great Britain and Ireland, and the Society for Vascular Technology of Great Britain and Ireland. The recommended criteria are based on the NASCET method of grading carotid bulb disease. Key recommendations include recording peak systolic velocity (PSV) and end-diastolic velocity (EDV) in both internal and distal common carotid arteries; measuring all velocities at a Doppler angle of 45-60 degrees; the use of internal carotid PSV of >1.25 ms(-1) and >2.3 ms(-1) and a Peak Systolic Velocity Ratio of >2 and >4 to indicate >50% and >70% stenosis respectively; and the use of the St Mary's Ratio to grade >50% stenoses in deciles. General recommendations are also given for the acquisition, interpretation and reporting of the data.

PMID:
19046904
DOI:
10.1016/j.ejvs.2008.10.015
[Indexed for MEDLINE]
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