Association between frailty and physical performance in older patients with heart failure.

Background: Frailty is an issue in patients with heart failure (HF). A Korean version of the frailty scale (K-FRAIL) has been developed.

Hypothesis: We aimed to analyze the relationship between the K-FRAIL scale and physical performance in patients with HF.

Correction: Need Assessment for Smartphone-Based Cardiac Telerehabilitation.

[This corrects the article on p. 283 in vol. 24, PMID: 30443416.

Need Assessment for Smartphone-Based Cardiac Telerehabilitation.

Objectives: To identify the current status of smartphone usage and to describe the needs for smartphone-based cardiac telerehabilitation of cardiac patients.

Methods: In 2016, a questionnaire survey was conducted in a supervised ambulatory cardiac rehabilitation (CR) program in a university affiliated hospital with the participation of heart failure or heart transplantation patients who were smartphone users. The questionnaire included questions regarding smartphone usage, demands for smartphone-based disease education, and home health monitoring systems.