[O-0016] Relation between VE/VCO2 slope and maximum phonation time in chronic heart failure patients
○Kazuhiro Izawa1, Watanabe Satoshi2, Shinobu Tochimoto2, Yasuyuki Hirano3, Shinya Matsushima2, Tomohiro Suzuki2, Koichiro Oka4, Takashi Saito5, Yutaka Omori5, Kengo Suzuki2, Naohiko Osada2, Kazuto Omiya2, Hiroyuki Shimizu2, Yoshihiro Akashi2 (1.Kobe University, 2.St. Marianna University School of Medicine, 3.Tokushima Bunri University, 4.Waseda University, 5.Visiting Nursing and Rehabilitation Network)