title: Possible Inhibitory Effect of Erythropoiesis-Stimulating Agents at the Predialysis Stage on Early-Phase Coronary Events after Hemodialysis Initiation.
abstract: BACKGROUND
  We examined whether the use of erythropoiesis-stimulating agents (ESAs) to correct anemia at the predialysis stage could inhibit early-phase coronary events after hemodialysis initiation.
  
  
  METHODS
  We enrolled 242 patients with chronic kidney disease who had received continued medical treatments and initiated maintenance hemodialysis from 1 September 2000 to 31 December 2014 at Toujinkai Hospital. Patients with a previous history of blood transfusion or any cardiovascular events or interventions were excluded. The coronary events were followed for 1 year after initiation of hemodialysis.
  
  
  RESULTS
  Coronary events occurred in 51 of 242 patients: 10 patients had acute coronary syndrome [9 with percutaneous coronary intervention (PCI), 1 without intervention], and 41 had elective coronary revascularization (38 PCI and 3 coronary artery bypass graft). ESA was administered in 118 of 242 patients (48.8%). In stepwise logistic analysis, coronary events were positively associated with nonuse of ESA at the predialysis stage (odds ratio 2.66, p = 0.005) and diabetes mellitus (odds ratio 5.33, p < 0.001). When dividing the patients into 4 subgroups by blood hemoglobin (Hb) level (8.5 g/dl) and the use/nonuse of ESA, coronary event-free survival rates were higher (p = 0.005) in those with Hb ≥8.5 g/dl, ESA+ (86.6%, n = 82) and tended to be higher (p = 0.055) in those with Hb <8.5 g/dl, ESA+ (86.1%, n = 36) than in patients with Hb <8.5 g/dl, ESA- (68.6%, n = 86) in a Kaplan-Meier analysis.
  
  
  CONCLUSIONS
  The use of ESA to correct anemia at the predialysis stage may inhibit early-phase coronary events after hemodialysis initiation.
authors.affiliation: Cardiovascular Division, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Masato
authors.initials: M
authors.lastname: Nishimura
authors.affiliation: Department of Nephrology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Keitaro
authors.initials: K
authors.lastname: Watanabe
authors.affiliation: Department of Urology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Yuki
authors.initials: Y
authors.lastname: Kitamura
authors.affiliation: Department of Urology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Takao
authors.initials: T
authors.lastname: Nagashima
authors.affiliation: Department of Nephrology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Toshiko
authors.initials: T
authors.lastname: Tokoro
authors.affiliation: Department of Nephrology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Toru
authors.initials: T
authors.lastname: Takatani
authors.affiliation: Department of Urology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Nodoka
authors.initials: N
authors.lastname: Sato
authors.affiliation: Department of Urology, Toujinkai Clinic, Kyoto, Japan.
authors.forename: Satoru
authors.initials: S
authors.lastname: Yamazaki
authors.affiliation: Department of Urology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Tetsuya
authors.initials: T
authors.lastname: Hashimoto
authors.affiliation: Department of Urology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Kobayashi
authors.affiliation: Department of Urology, Toujinkai Hospital, Kyoto, Japan.
authors.forename: Toshihiko
authors.initials: T
authors.lastname: Ono
keywords: Anemia; Chronic kidney disease; Coronary plaque; Erythropoiesis-stimulating agent; Hemodialysis