CardioExchange Archive

October 27th, 2014

Case: When an “Inappropriate” Stress Test Might Be Appropriate

Jean-Pierre Usdin, MD and James Fang, MD

Jean-Pierre Usdin presents the case of a 58-year-old man with well-treated hypertension who experiences an ST-segment-elevation MI shortly after a stress test he had requested to clear him for exercise.

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March 15th, 2013

How Good Is Your Eye for Coronary Angiography?

Brahmajee Kartik Nallamothu, MD, MPH and John Ryan, MD

Brahmajee Nallamothu discusses his study group’s analysis comparing the accuracy of visually interpreted coronary angiography and quantitative coronary angiography.

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January 19th, 2012

CT Angiography Found Less Helpful in Patients With High Calcium Scores

Larry Husten, PHD

Computed tomography angiography (CTA) has been proposed as a less invasive method to exclude obstructive coronary artery disease (CAD), but no consensus has been achieved about its clinical role in different patient subsets. Now a new report published in JACC from the CORE-64 (Coronary Artery Evaluation Using 64-Row Multidetector Computed Tomography Angiography) study shows that CTA may not be […]

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August 9th, 2011

New Study Finds Wide Variation Among Hospitals in Diagnostic Yield for Angiography

Larry Husten, PHD

Last year a report in the New England Journal of Medicine from the National Cardiovascular Data Registry (NCDR) raised concerns about the low diagnostic yield for diagnostic coronary angiography. Now a new analysis of the NCDR registry appearing in the Journal of the American College of Cardiology finds a great deal of variability among hospitals […]

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April 5th, 2011

RIVAL Trial Tests Radial Versus Femoral Access

Larry Husten, PHD

Radial access for angiography has gained increasing acceptance in recent years based on the promise of reduced complications and increased patient comfort. At the ACC, and in a simultaneous publication in the Lancet, Sanjit Jolly and colleagues presented the results from RIVAL, the largest trial to date comparing radial versus femoral access. Some 7021 ACS patients […]

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January 24th, 2011

Poor Justification for Compulsory Angiography Before Vascular Surgery

Harlan M. Krumholz, MD, SM

I recently heard a physician quote a paper from JACC to justify pursuing revascularization in an asymptomatic patient who was scheduled for major vascular surgery. This article is worth a close look in your journal club, even though it was published in 2009. In their discussion, the authors summarize their findings as follows: “For patients in […]

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July 23rd, 2010

Radiation Exposure in Cardiac Imaging

Jersey Chen, MD MPH

CardioExchange welcomes Jersey Chen to discuss his recent study in the Journal of the American College of Cardiology , which describes radiation exposure from cardiac imaging procedures in the general population. Chen and his colleagues concluded that “cardiac imaging procedures lead to substantial radiation exposure and effective doses for many patients in the U.S.” Your paper […]

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