Mount Sinai Researchers Find The Significance of Plaque Burden Using 3D Vascular Ultrasound in Estimating Cardiovascular Risk
Inexpensive and Radiation-Free Technology Has Potential to Become a Key Screening tool for Identifying at Risk Individuals
In a large population study that was the first of its kind, researchers found that an experimental technique known as three-dimensional vascular ultrasound (3DVUS) estimated the quantification of plaque burden (in cubic millimeters) as an important addition to conventional risk factor profile in addressing patient risk stratification.
At an average age of 45 years, they found that the plaque burden in subjects was more than twice as high in men as in women (63.4 cubic millimeters vs. 25.7), and higher in the femoral arteries, and with increasing age.
The study will be published online July 10, 2017, in The Journal of the American College of Cardiology.
Researchers explored the bilateral carotid and femoral arteries of 3,860 middle aged participants without prior cardiovascular disease who were employees of the Banco de Santander in Madrid, Spain. This is an ongoing observational prospective cohort study where participants are being followed up for 10 years. The 3DVUS examinations were performed using a new Phillips iU22 ultrasound system equipped with a VL13-5 3D volume–linear array transducer. This equipment will be available in the near future for routine patient care.
The clinical application of 3DVUS techniques is still at the research and development stage, but there are now a number of clinically promising areas including the measurement of plaque. Direct quantification of atherosclerotic plaque volume by 3DVUS is more reproducible than two-dimensional techniques.
“3DVUS is a feasible, reproducible, and novel imaging technique for quantifying early carotid and femoral atherosclerotic burden in large populations,” said the study’s lead author, Valentin Fuster, MD, PhD, Director of Mount Sinai Heart and Physician-in-Chief of The Mount Sinai Hospital. “This novel method is valid for imaging superficial peripheral atherosclerosis burden from early to advanced stages of disease and can be applied to identification of individuals at risk, targeting or monitoring treatment. Further studies are needed, however, to assess the cost utility of this method compared with others when used in large-scale practice settings and population-based epidemiological studies.”
The study is part of an international initiative that is being conducted through partnerships with the National Center for Cardiovascular Research in Spain, the Icahn School of Medicine at Mount Sinai, and the Framingham Heart Study.
About the Mount Sinai Health System
Mount Sinai Health System is one of the nation’s leading integrated academic health systems and one of the largest in the New York metropolitan area. Its comprehensive system includes seven hospitals, more than 400 outpatient practices, over 600 research and clinical laboratories, the Icahn School of Medicine at Mount Sinai, the Graduate School of Biomedical Sciences, and the Mount Sinai Phillips School of Nursing. Together, the Health System comprises approximately 48,000 employees, more than 9,000 physicians, and 8,600 nurses.
As a leading learning health system, Mount Sinai combines clinical expertise with scientific discovery to improve patient care while training the next generation of health care and biomedical leaders. The Health System provides care across every stage of life, from prenatal care through geriatrics, while advancing personalized medicine through artificial intelligence, data science, and biomedical research.
Mount Sinai is consistently recognized among the nation’s leading academic health systems for patient care, research, and education. The Mount Sinai Hospital is ranked No. 1 in New York by Newsweek and No. 5 on the magazine’s World’s Best Hospitals list. The Icahn School of Medicine at Mount Sinai ranks No. 11 among U.S. medical schools and No. 1 among freestanding medical schools for National Institutes of Health funding, reflecting the strength of its scientific enterprise and leadership in biomedical research.
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