Relation between QT duration and mortality in an elderly Japanese population

Am J Cardiol. 2004 May 1;93(9):1182-5. doi: 10.1016/j.amjcard.2004.01.055.

Abstract

The effects of prolonged QTc intervals on mortality were investigated in about 3,500 elderly Japanese patients followed for approximately 8.8 years. Prolonged QTc was found to be a marker for risk for all-cause mortality and mortality from heart disease or from coronary heart disease (CHD) after adjusting for other CHD risk factors. Even in Japanese subjects, who have a lower coronary heart disease rate than that of Caucasians, the careful observation of subjects with a prolonged QTc is believed to be necessary.

Publication types

  • Comparative Study
  • Multicenter Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aged
  • Aged, 80 and over
  • Biomarkers / blood
  • Cause of Death
  • Coronary Disease / blood
  • Coronary Disease / mortality
  • Electrocardiography*
  • Female
  • Follow-Up Studies
  • Glycated Hemoglobin / metabolism
  • Humans
  • Japan / epidemiology
  • Long QT Syndrome / mortality*
  • Male
  • Middle Aged
  • Proportional Hazards Models
  • Risk Factors
  • Severity of Illness Index
  • Statistics as Topic
  • Survival Analysis

Substances

  • Biomarkers
  • Glycated Hemoglobin A