Assessment of the renal angina index in patients hospitalized in a cardiac intensive care unit

Study design

This study was conducted in the Department of Cardiology, Fujita Health University School of Medicine (Toyoake, Japan). The Ethics Committee of Fujita Health University approved this study (study protocol number: HM19-264), which was conducted in accordance with the Declaration of Helsinki. Written informed consent was obtained from all the patients.

Patients hospitalized in CICUs between November 2009 and December 2018 were enrolled in this study. Patients who had the following characteristics were excluded from participation: (1) age under 18 years; (2) absence of serum…