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Abstract #1892

Feasibility Study of Automatic Breathing Level Tracking and Active Breathing Level Control Methods for Whole-Heart Magnetic Resonance Coronary Angiography (WH MRCA)

Shigehide Kuhara1, Satoru Hasebe2, Seiko Mizuno2, Masatoshi Hyodo2, Takahiro Yamamoto2, Sachiko Ueoku1, Ayako Ninomiya1, Hirofumi Anno3

1MRI Systems Division, Toshiba Medical Systems Corporation, Otawara-shi, Tochigi, Japan; 2Okazaki City Medical Association Public Health Center, Okazaki-shi, Aichi, Japan; 3Radiological Technology, School of Health Sciences, Fujita Health University, Toyoake-shi, Aichi, Japan

We have developed an automatic breathing level tracking method that tracks the changes in the patient's breathing level and an active breathing level control method that can control the patient's breathing pattern by applying external pressure to the patient's abdomen. The active breathing level control method can be used to control the patient's breathing level and reduce the scan time and also improve image quality when the tracking range of the automatic tracking method is controlled appropriately. It is therefore concluded that these methods can be very helpful in clinical WH MRCA studies.