Atrial fibrillation (AF) is the most common arrhythmia and a major
cardiovascular challenge due to its close association with increased morbidity and
mortality. Although
the incidence and prevalence of AF is slightly lower in developing countries
than in developed countries, the AF associated risk of stroke is similar. Treatment
of AF is far from satisfactory in developing countries, which may be due to limited
health-care resources and different social and racial characteristics from
western population. Chronic rate control is still the main treatment strategy
of persistent AF because anti-arrhythmic drugs have only a modest long-term
effect on maintenance of sinus rhythm, and no superior impact in terms of
cardiovascular outcomes. With the development of ablation techniques and
strategies of AF, more AF patients received catheter ablation although the
benefit, complications, and high recurrence rate associated with AF ablation
still remain under investigation. Improvement in antithrombotic therapy of AF
has been observed although still less patients receive oral anticoagulants in developing countries than western
countries. Novel treatment for prevention of thrombembolism, like new oral anticoagulants
with different mechanisms of action, the percutaneous transcatheter
closure of left atrial appendage, have recently been
introduced in developing countries as an alternative option for prevention of AF
associated stroke. More data are needed in regards to upstream therapy of AF in
the future.
Credits: Xiaohan Fan; Shu Zhang