title: [Mid-long term result of implantable ventricular assist device treatment for end-stage heart failure in the University of Tokyo Hospital].
abstract: Two implantable left ventricular assist devices(I-LVADs)were approved in Japan in 2011. I-LVADs were used for end-stage heart failure of 20 patients in our institute until March 2012. We examine the clinical course of these 20 patients who were treated with I-LVADs. End points are transplantation, death, or weaning from I-LVADs. Mean hospital days after I-LVAD implantation were 58.1 days, and all 20 patients could discharge from hospital alive. Until September 2012, mean follow up interval was 515 days. Five patients reached heart transplantation, 2 died, weaning from an I-LVAD could be done in 1 patient, and 12 continued to wait for heart transplantation. Survival rate was 100% at 1 month, 95% at 3 months, and 89% at 1 year, respectively. Mean follow up duration after discharge were 457 days, and 16 patients(80%)needed a total of 41 times of readmission in this period. Freedom from readmission was 75% at 1 month, 60% at 3 months, and 25% at 1 year, respectively. In conclusion, prognosis of I-LVAD treatment was good, but many patients needed readmission after I-LVAD implantation and follow up system for I-LVAD treatment should be improved immediately.
authors.affiliation: Department of Cardiothoracic Surgery, The University of Tokyo, Tokyo, Japan.
authors.forename: Osamu
authors.initials: O
authors.lastname: Kinoshita
authors.forename: Mitsutoshi
authors.initials: M
authors.lastname: Kimura
authors.forename: Koichi
authors.initials: K
authors.lastname: Kashiwa
authors.forename: Hitoshi
authors.initials: H
authors.lastname: Kubo
authors.forename: Yukie
authors.initials: Y
authors.lastname: Kagami
authors.forename: Miyoko
authors.initials: M
authors.lastname: Endo
authors.forename: Taro
authors.initials: T
authors.lastname: Shiga
authors.forename: Koichiro
authors.initials: K
authors.lastname: Kinugawa
authors.forename: Takashi
authors.initials: T
authors.lastname: Nishimura
authors.forename: Shunei
authors.initials: S
authors.lastname: Kyo
authors.forename: Issei
authors.initials: I
authors.lastname: Komuro
authors.forename: Minoru
authors.initials: M
authors.lastname: Ono
mesh_terms: D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D006333:Heart Failure / Q000401:mortality / Q000628:therapy*; D006353:Heart-Assist Devices; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D010359:Patient Readmission; D011379:Prognosis