Evaluation of cardiac function based on ventricular pressure-volume relationships during assistance with a rotary blood pump. - Daisuke Ogawa; Akira Tanaka; Kenichi Abe; Paul Olegario; Koichiro Kasahara; Yasuyuki Shiraishi; Kazumitsu Sekine; Tomoyuki Yambe; Shin-ichi Nitta; Makoto Yoshizawa (EMBC, 2006)