NIRS-IVUS sees lipid core plaque in vivo Journal of Invasive Cardiology</em>." />
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NIRS-IVUS sees lipid core plaque in vivo April 30, 2014 -- A new technique centre commercial la defense based on near-infrared spectroscopy (NIRS) used during an intravascular centre commercial la defense ultrasound (IVUS) procedure is the first to directly visualize unstable lipid core plaque, according to an article in the Journal of Invasive Cardiology centre commercial la defense .
Becoming a Member is FREE! Real-time radiology-specific news Case of the Day and Teaching Files Focused topics digital communities Lively, discussion groups Medical imaging bookstore centre commercial la defense SalaryScan Job Boards Online CME Bookstore, market reports, more Conference Calendar User-controlled eNewsletters registration is FREE and easy!
The study included five individuals who experienced sudden cardiac death before being revived and studied with NIRS-IVUS. The technique showed lipid core plaque in all five patients, suggesting that it is reliable for identifying such plaques in vivo.
An estimated centre commercial la defense 300,000 cases of sudden cardiac death occur each year in the U.S., and tragically, sudden death is often the first sign of coronary artery disease centre commercial la defense in these patients, wrote Madder and colleagues Dr. David Wohns and Dr. James Muller ( J Invasive Cardiol centre commercial la defense , February 2014, Vol. 26:2, pp. 78-79).
Most cases of sudden cardiac death are due to ruptures of large lipid core plaques, said Madder, an interventional cardiologist at Grand Rapids, MI-based West Michigan Heart, a member of Spectrum Health. The new technique allows physicians to identify cases in patients who are alive.
Previous studies have linked NIRS visualization to culprit lesions centre commercial la defense across the spectrum of acute coronary syndromes, including in ST-segment elevation myocardial infarction (STEMI), non-STEMI, and unstable angina.
Before the development of NIRS, identifying lipid core plaque in vivo had not been possible; however, this study shows that NIRS and IVUS combined can do so reliably in patients who are alive, the authors centre commercial la defense wrote.
The article centre commercial la defense presented findings in five patients who experienced a documented sudden cardiac arrest, were successfully resuscitated, and were then studied with intracoronary NIRS-IVUS to assess the extent and location of lipid core plaque.
One of the cases of cardiac centre commercial la defense arrest occurred in the emergency room while the patient was awaiting transfer to the cardiac catheterization lab, while the other four cases occurred away from the hospital, including two that occurred prior to first medical contact.
"IVUS is not necessarily able to find the lipid core plaque; it can see what is called attenuated plaque, where the IVUS signal sort of disappears, and they've shown in pathology studies what those arteries contained," he said.
The bottom line is that attenuated plaques seen by IVUS "more than likely have cholesterol in them, but how accurate that is is still a matter of question, because it's not been shown to cause more downstream events than plaques that have not been attenuated," Madder said. Other modalities that can also indicate whether lipid is present in the vessel present the same uncer
All AuntMinnie Articles Case of the Day Job Boards Open Market Vendor Connect Forums Links Conferences Equipment Classifieds Home Radiology News News in Brief People in the News New Installations centre commercial la defense Conference Coverage - ECR 2014 - RSNA 2013 News - RADCast, RSNA, more... Special Report - Molecular Breast Imaging - Breast MRI - Trends in Radiology AuntMinnie Mobile Social Media - AuntMinnie on Facebook - AuntMinnie on Twitter AuntMinnie Europe AuntMinnie Middle East Vendor Connect Vendor Connect Home View all vendors Career Center Jobs Home Salary Survey Results Looking for a job? - Search for a Job - Jobs by state - Upload your resume Looking for Candidates? - Search Resumes - Post a Job Ad Reference Reference Home Active centre commercial la defense Reference Library - Nuclear Medicine centre commercial la defense - Thoracic Imaging Looking for Candidates? - Search Resumes - Post a Job Ad White Papers Market Reports Regulatory Updates Organized Radiology MarketPlace Marketplace Home Bookstore - Browse all Books - Browse Radiology Books - Browse Market Reports Equipment Classifieds Career Center Education Education Home Case of the Day - Recent Cases - Case Archives - Archives by Month CME - AuntMinnieCME.com - other centre commercial la defense CME resources Resource Center - Enterography Conferences Conferences, search all Add your Conference Links Links - Browse links - Search links - Linking to your site Headline Service RSS/XML centre commercial la defense news feed Communities
Forum Home Forum Topics - General Radiology - Residents - Medical Students - Technologists - PACS - Interventional - Academic - Off-Topic - Fellowships - Case of the Day Forum FAQ Terms of Service Forum Options Advanced centre commercial la defense Search CME Europe Middle East
NIRS-IVUS sees lipid core plaque in vivo April 30, 2014 -- A new technique centre commercial la defense based on near-infrared spectroscopy (NIRS) used during an intravascular centre commercial la defense ultrasound (IVUS) procedure is the first to directly visualize unstable lipid core plaque, according to an article in the Journal of Invasive Cardiology centre commercial la defense .
Becoming a Member is FREE! Real-time radiology-specific news Case of the Day and Teaching Files Focused topics digital communities Lively, discussion groups Medical imaging bookstore centre commercial la defense SalaryScan Job Boards Online CME Bookstore, market reports, more Conference Calendar User-controlled eNewsletters registration is FREE and easy!
The study included five individuals who experienced sudden cardiac death before being revived and studied with NIRS-IVUS. The technique showed lipid core plaque in all five patients, suggesting that it is reliable for identifying such plaques in vivo.
An estimated centre commercial la defense 300,000 cases of sudden cardiac death occur each year in the U.S., and tragically, sudden death is often the first sign of coronary artery disease centre commercial la defense in these patients, wrote Madder and colleagues Dr. David Wohns and Dr. James Muller ( J Invasive Cardiol centre commercial la defense , February 2014, Vol. 26:2, pp. 78-79).
Most cases of sudden cardiac death are due to ruptures of large lipid core plaques, said Madder, an interventional cardiologist at Grand Rapids, MI-based West Michigan Heart, a member of Spectrum Health. The new technique allows physicians to identify cases in patients who are alive.
Previous studies have linked NIRS visualization to culprit lesions centre commercial la defense across the spectrum of acute coronary syndromes, including in ST-segment elevation myocardial infarction (STEMI), non-STEMI, and unstable angina.
Before the development of NIRS, identifying lipid core plaque in vivo had not been possible; however, this study shows that NIRS and IVUS combined can do so reliably in patients who are alive, the authors centre commercial la defense wrote.
The article centre commercial la defense presented findings in five patients who experienced a documented sudden cardiac arrest, were successfully resuscitated, and were then studied with intracoronary NIRS-IVUS to assess the extent and location of lipid core plaque.
One of the cases of cardiac centre commercial la defense arrest occurred in the emergency room while the patient was awaiting transfer to the cardiac catheterization lab, while the other four cases occurred away from the hospital, including two that occurred prior to first medical contact.
"IVUS is not necessarily able to find the lipid core plaque; it can see what is called attenuated plaque, where the IVUS signal sort of disappears, and they've shown in pathology studies what those arteries contained," he said.
The bottom line is that attenuated plaques seen by IVUS "more than likely have cholesterol in them, but how accurate that is is still a matter of question, because it's not been shown to cause more downstream events than plaques that have not been attenuated," Madder said. Other modalities that can also indicate whether lipid is present in the vessel present the same uncer
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