European Primary Care Cardiovascular Society

Integrated care for elderly patients with AF can be safely organized in primary care

Integrated management of atrial fibrillation in primary care: results of the ALL-IN cluster randomized trial

Literature - Van den Dries CJ, Van Doorn S, Rutten FH et al., - Eur Heart J. 2020. pii: ehaa055. doi: 10.1093/eurheartj/ehaa055.

Introduction and methods

Atrial fibrillation (AF) is no longer merely viewed as an isolated heart rhythm disorder with an increased risk of stroke, but more as a ‘hypercoagulable state’ which can be associated with multiple underlying and interacting comorbidities [1]. Integrated care that includes the management of comorbidities could address the increasing disease burden of AF and is recommended in the 2016 ESC guidelines on the management of AF (Class IIa recommendation, level of evidence B) [2].

A meta-analysis showed that integrated care coordinated by tertiary care hospitals led to a reduction in all-cause mortality and CV hospitalization [3]. Furthermore, the RACE 4 trial showed that integrated, nurse-led care in experienced AF clinics led to reduced cardiac mortality and hospitalization [4]. However, it remains unknown whether integrated care can be safely organized in a primary care setting, which is characterized by non-specialist doctors and nurses and AF patients that are typically older, frailer and more often suffer from multimorbidity. This study investigated whether integrated care can be safely organized in primary care.

The ALL-IN trial was a cluster randomized, pragmatic, non-inferiority trial in primary care in the Netherlands. 26 Primary care practices were randomized to the intervention arm (15 practices, n=941 patients, aged ≥65 years, were included) or usual care arm (11 practices, n=716 patients, aged ≥65 years, were included). The intervention consisted of three components: (i) quarterly check-ups by the practice nurse on symptoms and comorbidities, assessment of early signs and symptoms of heart failure, and patient education, (ii) management of anticoagulant treatment, such as INR measurements performed by the intervention practice in patients on a vitamin K antagonist (VKA), attention to drug compliance, and monitoring of kidney function in patients using a non-vitamin K antagonist oral anticoagulant (NOAC), and (iii) consultation with anticoagulation clinics and/or cardiologists, enabling shared care and responsibility. Usual care varied between patients, but most often involved a once yearly visit to a cardiologist or AF nurse at an outpatient cardiology department.

All practices completed at least 2 years of follow-up. The median follow-up was 2.3 years in the intervention arm and 2.2 years in the control arm. The primary outcome was all-cause mortality. Secondary outcomes were CV and non-CV mortality, CV and non-CV hospitalization, MACE, stroke, major bleeding, clinically relevant non-major bleeding, and health-related quality of life.

Main results

Integrated care for elderly patients with AF can be safely organized in primary care

Conclusion

This trial evaluated whether integrated care for AF in elderly patients can be safely organized in primary care. Integrated care involved quarterly check-ups by a practice nurse, anticoagulation monitoring and easy-access collaboration between healthcare professionals. Integrated care for elderly AF patients led to a 45% reduction in all-cause mortality compared with usual care in the Netherlands.

References

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