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31 Utilisation of an existing exercise-based cardiac rehabilitation programme for patients with atrial fibrillation in the national health service: putting current services to good use
  1. Mark Mills1,
  2. Elizabeth Johnson2,
  3. Hamza Zafar3,
  4. Andrew Horwood4,
  5. Nicola Lax5,
  6. Sarah Charlesworth6,
  7. Anna Gregory7,
  8. Justin Lee8,
  9. Jonathan Sahu9,
  10. Graeme Kirkwood10,
  11. Nicholas Kelland11,
  12. Andreas Kyriacou12
  1. 1Sheffield Teaching Hospitals NHS Foundation Trust
  2. 2Sheffield Teaching Hospital NHS Foundation Trust
  3. 3Sheffield Teaching Hospital NHS Foundation Trust
  4. 4Sheffield Teaching Hospital NHS Foundation Trust
  5. 5Sheffield Teaching Hospital NHS Foundation Trust
  6. 6Sheffield Teaching Hospital NHS Foundation Trust
  7. 7Sheffield Teaching Hospital NHS Foundation Trust
  8. 8Sheffield Teaching Hospital NHS Foundation Trust
  9. 9Sheffield Teaching Hospital NHS Foundation Trust
  10. 10Sheffield Teaching Hospital NHS Foundation Trust
  11. 11Sheffield Teaching Hospital NHS Foundation Trust
  12. 12Sheffield Teaching Hospital NHS Foundation Trust

Abstract

Introduction Exercise-based cardiac rehabilitation is an established intervention in the management of several cardiovascular conditions, including ischaemic heart disease and heart failure. There is increasing recognition for the role of exercise-based cardiac rehabilitation in the management of patients with atrial fibrillation (AF); however, this has not yet been widely adopted within the National Health Service (NHS). We assessed the feasibility of utilising an established NHS cardiac rehabilitation programme in the management of AF, and examined the effects of this intervention on exercise capacity, weight, and psychological health.

Methods Patients with AF were invited to participate in an established 6-week cardiac rehabilitation programme, composed of physical activity and education sessions, organised through Sheffield Teaching Hospitals NHS Foundation Trust, between April 2016 to July 2018. At the start of the programme, patients were weighed and measured, performed the 6-minute walk test (6MWT), completed the Generalised Anxiety Disorder Questionnaire (GAD-7; scoring 0–21, higher scores indicating higher anxiety levels), and the Patient Health Questionnaire (PHQ-9; scoring 0–27, higher scores indicating higher depression levels). Measurements were repeated on completion. Analyses were performed using IBM SPSS (24). Continuous variables expressed as mean ± SEM, and normality of distribution assessed using the Shapiro-Wilk test. Paired continuous data were compared with paired t test or Wilcoxon signed rank test, and unpaired continuous data with independent sample t test or Mann-Whitney U tests, as appropriate. Tests were 2-tailed. P<0.05 was considered statistically significant.

Results Seventy-seven patients were invited to join the programme. Of these, 22 patients (28.5%) declined participation prior to initial assessment, whilst 22 (28.5%) accepted and attended the initial assessment, but subsequently failed to attend the programme. In total, 33 patients (43%) completed the entire programme (63.9±1.7 years, 58% female, BMI 33.9±1.3 kg/m2, mean left atrial size 5.1±0.2cm). Pertinent demographics are summarised in table 1. On completion, enrolled patients covered longer distances during the 6MWT (389.5 vs. 447.9 metres, p<0.0001; a 15% improvement), had lower GAD-7 scores (4.12 vs 2.65, p=0.035), and lower PHQ-9 scores (5.0 vs. 3.42, p=0.04). Patient weight was unchanged on completing cardiac rehabilitation (102.1 kg vs. 101.6 kg, p=0.49) (Image 1 & 2). Compared to patients that completed the entire programme, those who attended the initial assessment but failed to complete the programme (n=22) had significantly higher weight and BMI (respectively, 115.6 kg vs. 102.1 kg, p=0.047; 37.9±2.0 vs. 33.9±1.5 kg/m2, p=0.047), covered a shorter distance during the 6MWT (318.8m vs. 389.5m, p<0.01), had higher PHQ-9 scores (9.87 vs. 5.0, p=0.037), and higher GAD-7 scores (7.53 vs. 4.12, p=0.047).

Abstract 31 Table 1

Conclusion Enrolling patients with AF into an established NHS cardiac rehabilitation programme is feasible, with nearly half of those invited completing the programme. This resulted in improved 6-minute walk test, and reduced anxiety and depression levels, in the short term. Severe obesity, high anxiety and depression levels, and lower initial exercise capacity may be barriers to enrolling patients with AF into exercise-based cardiac rehabilitation; a holistic approach that targets these factors may result in improved clinical outcomes.

Conflict of Interest None to declare.

  • Atrial fibrillation
  • Cardiac rehabilitation
  • National Health Service

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