Author + information
- Hyung Yoon Kim1,
- Joon-Hyung Doh2,
- Hong-Seok Lim3,
- Myeong-Ho Yoon4,
- Doo Kyoung Kang5,
- Chang-Wook Nam6,
- Bon-Kwon Koo7,
- Eun Kyoung Kim8,
- Seung-Jea Tahk3,
- Eun-Seok Shin9,
- Sung Mok Kim10,
- Yeonhyeon Choe11 and
- Jin-Ho Choi12
- 1Division of Cardiology, Department of Internal medicine, Jeju University Hospital, Jeju National University School of Medicine, Seoul, Korea, Republic of
- 2Inje University Ilsan Paik Hospital
- 3Ajou University Medical Center, Suwon, Korea, Republic of
- 4Department of Cardiology, Ajou University School of Medicine, Suwon, Korea, Republic of
- 5Department of Radiology, Ajou University School of Medicine, Suwon, Korea
- 6Keimyung University Dongsan Medical Center, Daegu, Korea, Republic of
- 7Seoul National University Hospital, Seoul, Korea, Republic of
- 8Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea, Republic of
- 9Ulsan University Hospital, Ulsan, Korea, Republic of
- 10Department of Radiology, Seoul, Korea, Republic of
- 11Depart of Radiology, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
- 12Samsung Medical Center, Seoul, Korea, Republic of
FMM is a vessel-specific myocardial mass derived from coronary computed tomography angiography (CCTA) and enables quantitative assessment of potentially ischemic myocardial mass. We compared FMM with semi-quantitative angiographic scores which have been developed to evaluate the risk and burden of myocardial ischemia but have heterogeneous background. We compared fractional myocardial mass (FMM) with multiple angiographic scores.
In this multicenter prospective registry, a total of 453 patients who underwent CCTA followed by invasive coronary angiography were enrolled. Syntax, Gensini, BARI jeopardy, Duke Jeopardy, and APPROACH scores were compared with FMM subtended by vessels with diameter stenosis (DS) ≥70% (FMM%-70) or ≥50% (FMM%-50).
All angiographic scores showed significant correlation each other and also with FMM. Angiographic scores reflecting the amount of jeopardized myocardium (APPROACH and Duke Jeopardy) showed higher correlation (r >0.9) compared with anatomy-based scores (Syntax, Gensini, BARI jeopardy) (r ≅ 0.7).
FMM showed good correlation with angiographic scores which reflects the extent of jeopardized myocardium and prognosis.
IMAGING: FFR and Physiologic Lesion Assessment