Abstract #3604

Native T1 and T2 mapping cardiovascular magnetic resonance for detection of cardiac allograft vasculopathy after heart transplantation

Yurie Shirai¹, Michinobu Nagao¹, Noriko Kikuchi¹, Atsushi Yamamoto¹, Yuka Matsuo¹, Risako Nakao¹, Kiyoe Ando¹, Eri Watanabe¹, Shinichi Nunoda¹, Masami Yoneyama², and Syuji Sakai¹

¹Tokyo Women’s Medical University, Tokyo, Japan, ²Philips Japan, Tokyo, Japan

We investigate the diagnostic performance of native T1 and T2 mapping cardiovascular magnetic resonance imaging (CMR) for cardiac allograft vasculopathy (CAV) after heart transplantation, using myocardial flow reserve (MFR) estimated by 13N-ammonia (NH3) positron emission tomography (PET) as reference. Non-contrast native T1 mapping is a minimally invasive and effective method for monitoring CAV. In contrast, the effectiveness of T2 mapping could not be demonstrated.

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