・Off-pump pericardiectomy using an ultrasonic scalpel and a heart positioner. Asian Cardiovasc Thorac Ann. 2007 Dec;15(6):e69-71. ・Obstructive mechanical mitral valve dysfunction detected by MRI. Asian Cardiovasc Thorac Ann. 2007 Aug;15(4):360-1. ・Hemodiafiltration during cardiac surgery in patients on chronic hemodialysis. J Card Surg. 2006 Nov-Dec;21(6):553-8. ・Images in cardiovascular medicine. Continuous thrombus in the right and left atria penetrating the patent foramen ovalis. Circulation. 2006 Jun 6;113(22):e810-1.