Relationship between spleen size and exercise tolerance in advanced heart failure patients with a left ventricular assist device

Hiroaki Hiraiwa, Takahiro Okumura, Akinori Sawamura, Takashi Araki, Takashi Mizutani, Shingo Kazama, Yuki Kimura, Naoki Shibata, Hideo Oishi, Tasuku Kuwayama, Toru Kondo, Kenji Furusawa, Ryota Morimoto, Takuji Adachi, Sumio Yamada, Masato Mutsuga, Akihiko Usui, Toyoaki Murohara