A novel hypothesis for stroke prediction, introducing CHA₂DS₂-VAScF.

Area of Science:

• Cardiovascular Medicine
• Clinical Risk Stratification
• Genetics and Thrombosis

Background:

• Atrial fibrillation (AF) management necessitates effective stroke prevention strategies.
• Current stroke risk assessment tools, like the CHA₂DS₂-VASc score, do not incorporate heritable risk factors.
• A significant gap exists between evidence on family history as a stroke risk factor and its clinical application.

Purpose of the Study:

• To propose the CHA₂DS₂-VAScF score, integrating family history into stroke risk assessment for AF patients.
• To address the limitations of existing scores in identifying patients with heritable thrombotic risks.
• To provide a practical bedside tool for clinicians to identify vulnerable patients.

Main Methods:

• The commentary proposes a modification to the existing CHA₂DS₂-VASc score.
• The proposed modification involves adding one point for a positive family history of thrombotic events (ischemic stroke, myocardial infarction, or venous thromboembolism).
• This approach aims to translate genetic risk information into a clinically applicable score.

Main Results:

• The CHA₂DS₂-VAScF score is hypothesized to improve the identification of high-risk AF patients.
• It is expected to capture individuals with borderline scores who may be currently undertreated.
• The score facilitates the inclusion of genetic predisposition in routine clinical practice.

Conclusions:

• The CHA₂DS₂-VAScF score offers a practical method to incorporate family history into stroke risk assessment for AF patients.
• This enhanced score can help clinicians identify and protect patients at higher risk who might otherwise be overlooked.
• Implementing this tool can lead to more personalized and effective stroke prevention strategies in cardiovascular medicine.