Risk Factors for Stroke or Systemic Embolism in Chinese Patients with Non-Valvular Atrial Fibrillation Registry

Condition(s) studied

Study summary

This study is aimed to validate the existing stroke risk stratification model for patients with atrial fibrillation (AF) (CHA2DS2-VASc Score, CHADS2 Score, ATRIA score, ABC score, etc.) and establish a new stroke risk assessment model using a nationwide AF -specific registry in China.

Eligibility

Primary outcome measure(s)

• Composite of Stroke and Systemic Embolic Events (SEE) — At 12-month after recruiting
  The composite of stroke and Systemic Embolic Events (SEE) during follow-up. A stroke is defined as an abrupt onset, over minutes to hours, of a focal neurologic deficit that is generally in the distribution of a single brain artery (including the retinal artery) and that is not due to an identifiable nonvascular cause (ie, brain tumor or trauma). A systemic embolic event is defined as an abrupt episode of arterial insufficiency associated with clinical or radiologic evidence of arterial occlusion in the absence of other likely mechanisms (eg, atherosclerosis, instrumentation). Arterial embolic events involving the central nervous system (including the eye), coronary, and pulmonary arterial circulation are not considered SEEs,. Diagnosis of embolism to the lower extremities requires arteriographic demonstration of abrupt arterial occlusion.

Trial sites (1)

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