AI Article Synopsis

  • People with frailty have a higher risk of developing atrial fibrillation (AF), and this study aimed to investigate how long-term changes in frailty influence this risk.
  • The study involved over 50,000 UK Biobank participants who were assessed on their frailty levels and monitored for new cases of AF, heart failure (HF), coronary heart disease (CHD), and stroke over approximately 5 years.
  • Results indicated that even small increases in frailty (ΔFI) significantly raised the risk of AF, and participants who remained frail had nearly double the risk compared to those who maintained non-frail status; however, those who improved their frailty status saw a notable decrease in risk.

Article Abstract

Background: People with frailty have increased prevalence and incidence of atrial fibrillation (AF).

Objective: The study aimed to further investigate the association of long-term changes in frailty with risk of new-onset AF. Its associations with heart failure (HF), coronary heart disease (CHD), and stroke were also evaluated as a secondary aim.

Methods: Over 50,000 participants from UK Biobank cohort were included, with frailty index (FI) data and free of AF, HF, CHD or stroke in baseline and follow-up assessments. Frailty status of the participants was categorized into non-frail, pre-frail and frail based on their FI scores. FI in baseline and follow-ups are used to calculate the trajectories of frailty (ΔFI).

Results: During a median of 5.1 years of follow-up from the final assessment, 1729 cases of AF were recorded. Frailty trajectory analysis showed that even a 0.01 point/year increase in ΔFI was associated with 14% (95% CI 1.08-1.20) higher risk of AF, independent of baseline FI after adjusting for potential confounders. Compared with maintained non-frail participants, those with sustained frail status had the highest risk of incident AF (HR 1.95, 1.61-2.36). The risk declined by 30% (95% CI 0.53-0.94) when frail participants regressed to non-frail or pre-frail status, compared with sustained frail participants. These associations were similar in HF and CHD, however, not significant in stroke.

Conclusion: In middle-aged and elderly individuals, frailty remission or non-frailty maintenance was associated with lower risk of AF, HF and CHD compared to persistent frailty, regardless of prior frailty status and established risk factors.

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http://dx.doi.org/10.1016/j.hrthm.2025.01.004DOI Listing

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Article Synopsis
  • People with frailty have a higher risk of developing atrial fibrillation (AF), and this study aimed to investigate how long-term changes in frailty influence this risk.
  • The study involved over 50,000 UK Biobank participants who were assessed on their frailty levels and monitored for new cases of AF, heart failure (HF), coronary heart disease (CHD), and stroke over approximately 5 years.
  • Results indicated that even small increases in frailty (ΔFI) significantly raised the risk of AF, and participants who remained frail had nearly double the risk compared to those who maintained non-frail status; however, those who improved their frailty status saw a notable decrease in risk.
View Article and Find Full Text PDF

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