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Frailty Assessment Scale for Heart Failure: Development and Psychometric Validation.

Ying-Cheng Chao1, Chieh-Yu Liu2, Huei-Fong Hung3

  • 1Ying-Cheng Chao, MSN, RN, Nurse, Department of Nursing, National Taiwan University Hospital, Taipei, Taiwan.

The Journal of Cardiovascular Nursing
|August 16, 2024
PubMed
Summary

A new Frailty Assessment Scale for Heart Failure (FAS-HF) was developed and validated. This tool accurately identifies frailty in heart failure patients, demonstrating good reliability and validity.

Keywords:
frailtyheart failureinstrument developmentpsychometricsquestionnairereliabilityscalevalidity

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Area of Science:

  • Cardiology
  • Geriatrics
  • Psychometrics

Background:

  • Frailty is a prevalent condition in heart failure patients.
  • Existing frailty scales lack specific psychometric validation in this population.
  • The Clinical Frailty Scale is one such example.

Purpose of the Study:

  • To develop and validate the Frailty Assessment Scale for Heart Failure (FAS-HF).
  • To provide a reliable and valid instrument for assessing frailty in heart failure patients.

Main Methods:

  • A three-phase study involving conceptualization, item generation, expert consensus (Delphi method), and psychometric evaluation.
  • Cross-sectional field testing with 184 heart failure patients in Taiwan.
  • Reliability (Cronbach's α, test-retest) and validity (factor analysis, ROC curve) were assessed.

Main Results:

  • The 15-item FAS-HF covers physical, psychological, and social domains, with scores from 0-45.
  • Confirmatory factor analysis indicated acceptable model fit (GFI=0.91, AGFI=0.87, RMSEA=0.06).
  • The scale demonstrated high reliability (Cronbach's α=0.87, test-retest=0.99) and strong discrimination (AUC=0.94).

Conclusions:

  • The FAS-HF is a reliable and valid instrument for assessing frailty in heart failure patients.
  • The scale exhibits good discriminative ability.
  • FAS-HF can be utilized as an effective frailty indicator in clinical practice for heart failure management.