[A study of the influence of the guideline on the treatment of chronic congestive heart failure in the elderly].

Objective: To investigate the changes in drug treatment in elderly inpatients with chronic congestive heart failure (CHF) after the publication of the guideline.

Methods: Three thousands one hundred and seventy-four hospitalized patients over 60 years old with CHF admitted from January 1990 to July 2007 to Second Hospital of Tianjin Medical University were enrolled, and the patients were divided into three groups according to every 6 years by the time when guideline of the American College of Cardiology/American Heart Association (ACC/AHA) was published. The changes in drug treatment were analyzed retrospectively.

[Renal dysfunction and survival in hospitalized patients with chronic heart failure: a retrospective analysis].

Objective: To analyze the impact of renal dysfunction on survival in hospitalized chronic heart failure (CHF) patients.

Methods: In this retrospective analysis, we collected all clinical data from eligible patients hospitalized in the second hospital of Tianjin Medical University between Jan 1980 and Aug 2007. CHF patients were divided into three groups according to glomerular filtration rate (GFR): A, normal renal function; B, mild renal dysfunction; C, renal dysfunction.