A nurse-led atrial fibrillation clinic: Impact on anticoagulation therapy and clinical outcomes

Background Nurses play a central role in the management of atrial fibrillation (AF) patients. An unresolved question is whether a nurse-led clinic would improve clinical outcomes. Herein, we investigated the impact of a nurse-led clinic on anticoagulation therapy and clinical outcomes in a cohort of naive AF patients. Methods Prospective study including AF patients starting vitamin K antagonists (VKAs) into a nurse-led AF clinic. These patients were followed in this specific AF clinic. Additionally, AF patients already taking VKAs for 6 months followed according to the routine clinical practice were included as comparison group. The quality of anticoagulation was assessed at 6 months. Efficacy and safety endpoints were recorded during follow-up. Results We included 223 patients (Nurse-led clinic: 107; Usual care: 116). The mean time in therapeutic range and the proportion of INRs within the therapeutic range were similar in both groups. During 2.06 (IQR 1.01-2.94) years of follow-up, 64 (28.7%) patients changed to direct-acting oral anticoagulants. The proportion of switchers was higher in the nurse-led clinic (37.4%) than in the usual care group (20.7%) (P = .006) and these patients spent less time to switch (2.0 [IQR 0.7-2.9] vs 6.0 [IQR 3.7-11.2] years;P < .001). Importantly, the annual rate of ischaemic stroke/TIA was significantly lower in the nurse-led clinic (0.47%/year vs 3.88%/year,P = .016), without differences in safety endpoints. Conclusion A nurse-led AF clinic may offer a "patient-centered" review and holistic follow-up, and it would be associated with a reduction of ischaemic stroke/TIA, without increasing bleeding complications. Further studies should confirm these results.