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A Cardiologists' Survey on the Use of Anticoagulants and Antiplatelets in Patients With Atrial Fibrillation and Acute Coronary Syndrome or Those Undergoing Percutaneous Coronary Intervention in India

Purpose: The management of patients with atrial fibrillation (AF) and acute coronary syndrome (ACS) or undergoing percutaneous coronary intervention (PCI) requires appropriate antithrombotic regimens for stroke prevention and in-stent thrombosis. Current practice recommendations are largely based on consensus options as there is limited evidence from randomized clinical trials. Hence, by surveying a group of cardiologists across India, we sought to better understand the current practice patterns of using oral anticoagulants (vitamin K antagonist, VKA or non-vitamin K antagonist oral anticoagulant, NOAC) and antiplatelet therapy in those patients in India.

Methods: A cross-sectional questionnaire-based survey was conducted across India to better understand the clinical practices in AF management.

Results: A total of 151 cardiologists participated in this survey. The most commonly prescribed combination therapy in patients with AF and ACS/undergoing PCI was triple therapy (NOAC + dual antiplatelet [aspirin and P2Y12 inhibitor]) (54.30%) followed by NOAC + single antiplatelet (33.11%). Only 11.26% of cardiologists prescribed VKA + dual antiplatelet therapy. Among anticoagulants, cardiologists prescribed NOACs to 66.11% of patients and VKAs to 25.54% of patients. Among P2Y12 inhibitors, ticagrelor (50.99%) and clopidogrel (47.02%) were the most preferred medication. The physician reported patient adherence rates to NOACs were higher compared to VKAs. Around 41.06% of cardiologists reportedly changed antiplatelet therapy for patients from dual antiplatelet to single antiplatelet therapy in three months; 36.42%, in one month; and 19.21% in six months after PCI. Around 61.59% of cardiologists stopped prescribing antiplatelet therapy for patients by one year.

Conclusion: Our survey demonstrated that the majority of cardiologists used triple therapy (NOAC + dual antiplatelet), followed by NOAC + single antiplatelet for managing patients with AF and ACS or undergoing PCI in line with the available guidelines.

Comments：

The survey results suggest that NOACs are preferred over VKAs in India for stroke prevention in patients with AF and ACS or undergoing PCI. Ticagrelor and clopidogrel are the most commonly used P2Y12 inhibitors. Adherence rates to NOACs were higher compared to VKAs. Additionally, a significant proportion of cardiologists changed antiplatelet therapy from dual to single therapy within the first six months after PCI, and a majority stopped prescribing antiplatelet therapy by one year. The study highlights the need for further research to optimize antithrombotic therapy in this patient population, particularly in the Indian context.

Related Products

Cat.No. Product Name Information
S4079 Ticagrelor Ticagrelor (AZD6140, AR-C 126532XX) is the first reversibly binding oral P2Y12 receptor antagonist with Ki of 2 nM.

Related Targets

P2 Receptor