Cardiac Mortality-Risk Assessment Improved by Evaluation of Hemoglobin Level in Combination with Kidney Function in the Patients with Systolic Heart Failure: A Cohort Study

Takahiro Doi, Tomoaki Nakata^*, Akiyoshi Hashimoto, Jyunichi Nishida, Atsushi Mochizuki, Satoshi Yuda, Kazufumi Tsuchihashi and Tetsuji Miura

Second (Cardiology) Department of Internal Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan

^*Corresponding Author: Tomoaki Nakata, MD, PhD, Second Department of Internal Medicine (Cardiology), Sapporo Medical University School of Medicine, S-1, W-16, Chuo-ku, Sapporo 060-0061, Japan, Tel: +81-11-611-2111, Fax: +81- 11-644-7958