The CHA2DS2-VASc score: Not as simple as it seems.

Link to article at PubMed

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The CHA2DS2-VASc score: Not as simple as it seems.

Int J Cardiol. 2018 Apr 15;257:92-96

Authors: Jia X, Levine GN, Birnbaum Y

Abstract
The CHA2DS2-VASc score has been widely adopted as a risk stratification tool for strokes in patients with atrial fibrillation and to help in deciding when anticoagulation therapy for stroke prophylaxis may be beneficial. The score as a whole has been well validated and has been included in the current major practice guidelines. An advantage of the CHA2DS2-VASc score is its ease of use, allowing clinicians to quickly estimate risk based on a short set of criteria. However, the benefit of simplicity may also be a weakness. Studies on individual components of the score suggest that only a subset of patients deemed to be at risk based on the current definition are actually at risk for stroke. Thus, users of the score should be aware of the nuances based on available evidence and avoid over-generalization. Accurate assessment of stroke risk has important clinical implications as it influences decision-making on initiation of anticoagulation.

PMID: 29506745 [PubMed - in process]

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