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    Annual screening of Atrial Fibrillation patients decreases Stroke risk

    Written by Vinay Singh singh Published On 2019-01-07T20:10:05+05:30  |  Updated On 5 Nov 2024 11:51 AM IST
    Annual screening of Atrial Fibrillation patients decreases Stroke risk
    According to a new study, annual screening of AF patients decreases Stroke risk.

    The study published in Annals of Internal Medicine has reported that patients with initially low-risk atrial fibrillation (AF) may require a periodic reassessment of stroke risk to determine whether oral anticoagulants are required.

    The study revealed that around 16% of women and men moved into the higher risk category requiring treatment by 1 year despite their CHA2DS2-VASc score didn't qualify them for anticoagulation at diagnosis.

    Read Also: Catheter ablation superior to drug therapy in atrial fibrillation and heart failure

    International guidelines suggest a 0 score is “low” risk and may not require anticoagulation; a 1 score is “low-moderate” risk and should consider antiplatelet or anticoagulation, and score 2 or greater is “moderate-high” risk and should otherwise be an anticoagulation candidate.

    Tze-Fan Chao and associates conducted a study to investigate the incidence of an increase in CHA2DS2-VASc score to at least 1 (men) or 2 (women) among patients with newly diagnosed AF and a baseline score of 0 (men) or 1 (women).

    Using a Taiwan insurance database, researchers identified nearly 15,000 adults diagnosed with AF between 1997 and 2010 who were deemed low risk — that is, none had comorbidities that would give a CHA2DS2-VASc score above 0 (men) or 1 (women). Accordingly, none were prescribed oral anticoagulants or antiplatelets.

    During roughly 3 years' follow-up, over a third of the patients developed comorbidity that would increase their CHA2DS2-VASc score and make them eligible for treatment. In particular, 16% of men and women did so in the first year.

    Read Also: Edoxaban more beneficial than Warfarin in patients with atrial fibrillation

    The percentage of women who went from below to above the 1-point CHA2DS2-VASc score threshold for prophylaxis was 24.9% at 2 years and 49.9% at 7 years after atrial fibrillation onset.

    On the other hand, for men, the overall proportion of an increase in CHA2DS2-VASc score from 0 at baseline to above that threshold for prophylaxis was 24.5% at 2-year follow-up and 49.1% at 7-year follow-up.

    The authors suggested that CHA2DS2-VASc scores should be reassessed at least annually in patients with AF so that OACs (oral anticoagulants) can be prescribed in a timely manner for stroke prevention.

    highlowmediummenoraloral anticoagulantperiodicriskstrokeTaiwanTzeFan Chaowomen
    Source : With inputs from Annals of Internal Medicine

    Disclaimer: This site is primarily intended for healthcare professionals. Any content/information on this website does not replace the advice of medical and/or health professionals and should not be construed as medical/diagnostic advice/endorsement or prescription. Use of this site is subject to our terms of use, privacy policy, advertisement policy. © 2020 Minerva Medical Treatment Pvt Ltd

    Vinay Singh singh
    Vinay Singh singh
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