BMJ open · 2024
Epicardial left atrial appendage clipping versus direct oral anticoagulant to reduce stroke risk in non-paroxysmal atrial fibrillation (LAA-CLIP): rationale, design and study protocol for a multicentre randomised controlled trial.
Протокол клинического исследованияСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Yu Chunyu, Li Haojie, Lei Chuxiang, Wang Yang, Chen Sipeng, Zhao Yan, Zheng Zhe
Аннотация
INTRODUCTION: The prevalence of atrial fibrillation (AF) is increasing globally, and stroke prevention is the key to reduce the morbidity and mortality related to AF. Currently, direct oral anticoagulants (DOACs) are the primary options for stroke prevention, while it increases risk of bleeding. Left atrial appendage (LAA) is suspected as a vital source of cerebral emboli and may lead to ischaemic stroke, and thoracoscopic LAA clipping procedure provides an alternative option for stroke prevention in high-risk patients. However, high-quality evidence comparing LAA clipping to DOACs in terms of stroke prevention is lacking. This trial is designed to assess whether the efficacy of thoracoscopic LAA clipping is superior to DOACs for stroke prevention in AF patients at high risk of thrombosis (CHA2DS2-VASc≥2 in men and ≥3 in women)[CHA2DS2-VASc stands for "congestive heart failure, hypertension, age ≥75 (doubled), diabetes, stroke (doubled), vascular disease, age 65 to 74 and sex category (female)"].
METHODS AND ANALYSIS: This is a prospective, multicentre, open-labelled, randomised controlled study. This trial will randomly assign 290 patients with non-paroxysmal AF to thoracoscopic LAA clipping group or DOAC therapy group in a 1:1 randomisation. The primary endpoint is defined as a composite endpoint event consisting of stroke, systemic embolism, all-cause mortality, major bleeding events and clinically relevant non-major bleeding events at 24 months after randomisation. The secondary endpoints consist of the components of the primary composite endpoint, surgery-related adverse events and minor bleeding events.
ETHICS AND DISSEMINATION: The central ethics committee at Fuwai Hospital approved the trial entitled "Epicardial left atrial appendage clipping versus direct oral anticoagulant to reduce stroke risk in non-paroxysmal atrial fibrillation (LAA-CLIP trial)". The results of this study will be disseminated through publications in peer-reviewed journals and conference presentations.
TRIAL REGISTRATION NUMBER: NCT06021808.
METHODS AND ANALYSIS: This is a prospective, multicentre, open-labelled, randomised controlled study. This trial will randomly assign 290 patients with non-paroxysmal AF to thoracoscopic LAA clipping group or DOAC therapy group in a 1:1 randomisation. The primary endpoint is defined as a composite endpoint event consisting of stroke, systemic embolism, all-cause mortality, major bleeding events and clinically relevant non-major bleeding events at 24 months after randomisation. The secondary endpoints consist of the components of the primary composite endpoint, surgery-related adverse events and minor bleeding events.
ETHICS AND DISSEMINATION: The central ethics committee at Fuwai Hospital approved the trial entitled "Epicardial left atrial appendage clipping versus direct oral anticoagulant to reduce stroke risk in non-paroxysmal atrial fibrillation (LAA-CLIP trial)". The results of this study will be disseminated through publications in peer-reviewed journals and conference presentations.
TRIAL REGISTRATION NUMBER: NCT06021808.