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¾ÈÁ¤Çü Çù½ÉÁõ ȯÀڵ鿡¼­ °ü»óµ¿¸Æ Àü»êÈ­´ÜÃþÃÔ¿µÀ» ÀÌ¿ëÇÑ ½É±ÙÇãÇ÷ÀÇ Æò°¡ Evaluation of Myocardial Ischemia Using Coronary Computed Tomography Angiography in Patients with Stable Angina

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°í¼º¹Î ( Ko Sung-Min ) 
Yonsei University Wonju College of Medicine Wonju Severance Christian Hospital Department of Radiology

Abstract

¾ÈÁ¤Çü Çù½ÉÁõ ȯÀÚ¿¡¼­ °ü»óµ¿¸ÆÁúȯÀÇ Ä¡·á ¿©ºÎ¸¦ °áÁ¤ÇÏ°í ÀÓ»ó °á°ú¸¦ ¿¹ÃøÇϱâ À§Çؼ­´Â ½É±ÙÇãÇ÷ÀÇ Æò°¡°¡ Áß¿äÇÏ´Ù. ÇöÀç ½É±ÙÇãÇ÷ Áø´ÜÀÇ Ç¥ÁØ°Ë»ç¹ýÀ¸·Î ºÐȹÇ÷·ù¿¹ºñ·Â °Ë»ç¹ýÀÌ ÀÎÁ¤µÇ³ª ħ½ÀÀû °Ë»ç¶ó´Â Á¦ÇÑÁ¡ÀÌ ÀÖ´Ù. ¶ÇÇÑ, °ü»óµ¿¸Æ Àü»êÈ­´ÜÃþÃÔ¿µÀº ÇüÅÂÀûÀÎ °ü»óµ¿¸ÆÁúȯ Áø´Ü¿¡ À¯¿ëÇÑ ¹æ¹ýÀ¸·Î Á¤¸³µÇ¾úÁö¸¸, Ç÷¿ªÇÐÀûÀ¸·Î À¯ÀÇÇÑ ÇùÂø¿¡ ÀÇÇÑ ½É±ÙÇãÇ÷ Áø´Ü¿¡´Â ÇÑ°è°¡ ÀÖ´Ù. ÃÖ±Ù ÀÌ·¯ÇÑ ¹®Á¦¸¦ ÇØ°áÇÏ°íÀÚ °ü»óµ¿¸Æ Àü»êÈ­´ÜÃþÃÔ¿µ ¿µ»óÀ» ±â¹ÝÀ¸·Î ÃøÁ¤ÇÑ °ü»óµ¿¸Æ Á×»ó°æÈ­ÆÇÀÇ Á¤·®È­, ½É±Ù°ü·ù, ±×¸®°í ½É±Ù ºÐȹÇ÷·ù¿¹ºñ·ÂÀ» ÀÌ¿ëÇÑ ¿¬±¸µéÀÌ ÁøÇàµÇ¾î ¿Ô°í, ±× Áø´ÜÀû °¡Ä¡¸¦ Á¡Â÷ ÀÎÁ¤¹Þ°í ÀÖ´Ù. º» Á¾¼³¿¡¼­´Â ½É±ÙÇãÇ÷Áø´Ü°ú °ü·ÃµÈ °ü»óµ¿¸Æ Àü»êÈ­´ÜÃþÃÔ¿µ Ç÷°üÁ¶¿µ¼úÀÇ ¿©·¯ ¿µ»ó±â¹ýµé¿¡ ´ëÇؼ­ ¾Ë¾Æº¸°íÀÚ ÇÑ´Ù.

Assessment of myocardial ischemia in patients with stable angina is important in deciding whether to treat coronary artery disease and in predicting clinical outcome. The fractional flow reserve is a standard reference for the diagnosis of myocardial ischemia, but this procedure has limitations because of its invasiveness. Coronary computed tomography angiography (CCTA) is now an established tool in the anatomic diagnosis of coronary artery disease; however, there are limits to the diagnosis of hemodynamically important stenosis that causes myocardial ischemia. In order to address this problem, studies using quantification of coronary atherosclerotic plaques, myocardial perfusion, and noninvasive calculation of fractional flow reserve based on CCTA have been actively conducted and recognized for their diagnostic value. In this review, several imaging techniques of CCTA used to assess myocardial ischemia are described.

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Myocardial Ischemia; Computed Tomography Angiography; Angina, Stable; Coronary Angiography; Coronary Artery Disease

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