Authors: Taeko Kunimasa Yuichi Sato Naoya Matsumoto Masaaki Chiku Shigemasa Tani Shu Kasama Satoshi Kunimoto Shunichi Yoda Satoshi Saito Ken Nagao
Publish Date: 2009/11/22
Volume: 24, Issue: 6, Pages: 429-
Abstract
Freebreathing whole heart coronary magnetic resonance angiography MRA has gained great attention as a totally noninvasive diagnostic modality for the detection of coronary artery disease We examined the accuracy of coronary MRA to identify the presence or absence of coronary artery stenosis in comparison with conventional coronary angiography Freebreathing whole heart coronary MRA was performed in 43 consecutive patients undergoing conventional coronary angiography A total of 172 coronary arteries and 344 coronary artery segments were analyzed In the coronary artery segmentbased analysis the sensitivity to detect coronary stenosis ≥50 was 82 and specificity was 100 The accuracy positive predictive value and negative predictive value was 97 98 and 96 respectively In the vesselbased analysis the sensitivity was 86 specificity 99 accuracy 95 positive predictive value 98 and negative predictive value 94 In the patientbased analysis the sensitivity to detect coronary stenosis 50 was 97 and the specificity to define luminal narrowing 50 was 90 The accuracy positive predictive value and negative predictive value was 95 97 and 90 respectively Freebreathing whole heart coronary MRA yields excellent diagnostic accuracy to detect significant coronary artery disease and has the potential to become the routine diagnostic modality for patients with suspected coronary artery disease
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