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Combined sonography and magnetic resonance angiography (MRA) beat carotid catheterisation

This article was originally published in Clinica

Executive Summary

Magnetic resonance angiography (MRA) and duplex sonography should replace catheterisation for carotid artery assessment. When the two non-invasive techniques are combined they are safer and more cost-effective, says a study in JAMA (September 20th). Researchers from the Beth Israel and Brigham & Women's Hospitals (US) assessed four pre-surgical evaluation techniques for patients at high risk of carotid artery disease: duplex sonograpy, MRA, catheterisation, and combined sonography and MRA. The dual screening technique (with catheterisation as a back-up) resulted in fewer complications, a lower death rate and was less expensive than catheterisation alone.

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