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(Circulation. 2006;114:2305.)
© 2006 American Heart Association, Inc.
Issue Highlights
An extract of the first 250 words of the full text is provided, because this article has no abstract. |
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MYOCARDIAL INJURY AND VENTRICULAR DYSFUNCTION RELATED TO TRAINING LEVELS AMONG NONELITE PARTICIPANTS IN THE BOSTON MARATHON, by Neilan et al. |
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The popularity of marathon running continues to grow with nearly 400 000 finishing times recorded in 2005. Although the cardiovascular event rate during marathon events is low, recent studies suggest that subclinical myocardial injury may be frequent. In this issue of Circulation, Neilan and colleagues further evaluate this issue by assessing the prevalence of elevated cardiac biomarkers and their association with echocardiographic and Doppler evidence of left and right ventricular dysfunction within minutes of completing a marathon. They also evaluate whether the amount of training prior to the race affects these parameters. The results of this provocative study are highlighted and discussed in an accompanying editorial. See p 2325 (editorial on p 2306).
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DIAGNOSTIC ACCURACY OF NONINVASIVE CORONARY ANGIOGRAPHY IN PATIENTS AFTER BYPASS SURGERY USING 64-SLICE SPIRAL COMPUTED TOMOGRAPHY WITH 330-MS GANTRY ROTATION, by Ropers et al. |
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Noninvasive evaluation of bypass grafts has been reported using multidetector computed tomographic angiography, but studies of the early-generation scanners have been somewhat limited based on relatively high numbers on unevaluable segments, especially at anastomotic sites or in native vessels. In this issue of Circulation, Ropers et al present a comprehensive report on 64-slice computed tomographic angiography interrogation of patients with previous bypass surgery, examining performance characteristics for detecting significant stenoses in grafts, as well as at anastomotic sites and in distal segments of bypassed native vessels. They report excellent performance for evaluation of occlusions or stenoses in grafts and good performance for grafted and nongrafted native vessels, though limited at times by heavy calcification. The present report provides clinicians with comprehensive data on how to apply computed tomographic angiography in patients with previous bypass
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