• Valeria Raparelli, Marco Proietti, Carmelo Buttà, Paolo Di Giosia, Domenico Sirico, Paolo Gobbi, Salvatore Corrao, Giovanni Davì, Anna Rita Vestri, Francesco Perticone, Gino Roberto Corazza, Francesco Violi, and Stefania Basili.
• First Medical Clinic, Sapienza University of Rome, Rome, Italy.
• Intern Emerg Med. 2014 Dec 1; 9 (8): 861-70.

AbstractNon-valvular atrial fibrillation (NVAF) represents a major health-care problem, needing an extensive and strict thrombosis prevention for stroke and cardiovascular (CV) disease risks. NVAF management guidelines recommend adequate antithrombotic and anti-atherosclerotic therapies. Medication adherence has been recognized as a pivotal element in health quality promotion and in the achievement of better clinical outcomes. We conducted a post-hoc analysis of the "Atrial fibrillation Registry for Ankle-brachial index Prevalence Assessment-Collaborative Italian Study (ARAPACIS)" with the aim of discerning differences in pharmacological management and medication adherence among NVAF Italian patients. Furthermore, data were analysed according to Italian geographical macro-regions (North, Center, South) to evaluate whether socioeconomic conditions might also influence medication adherence. Thus, we selected 1,366 NVAF patients that fulfilled the Morisky Medication Adherence Scale-4 items. Regional disparities in drug prescriptions were observed. In particular, in high-risk patients (CHA2DS2-VASc ≥2) oral anticoagulants were more prescribed in Northern and Center patients (61 and 60 %, respectively) compared to 53 % of high-risk Southern patients. Also, medication adherence showed a progressive decrease from North to South (78 vs. 60 %, p < 0.001). This disparity was independent of the number of drugs consumed for any reason, since prevalence of poly-therapy among the three macro-regions was similar. Our results show regional differences in NVAF patients' antithrombotic management and medication adherence, potentially reflecting well-known disparities in socioeconomic status among Italian regions. Future interventions promoting campaigns to global health-care education may be desirable to improve clinical outcomes in NVAF patients.

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