Cancer, atrial fibrillation, and stroke

Thrombosis Research
Tess FitzpatrickGrégoire Le Gal

Abstract

Cancer patients appear to be at increased risk for atrial fibrillation. Although surgery and chemotherapy exacerbate this risk, this association is observed even in the absence of any cancer-specific treatment. The underlying mechanism of this is likely multifactorial, but systemic inflammation and autonomic dysregulation are hypothesized to play critical roles. Cancer and atrial fibrillation are both independent risk factors for ischemic stroke; however, it is not clear whether this translates to an increased risk of stroke in patients with both comorbidities. As such, commonly used risk stratification tools including the CHADS2 score currently do not take cancer into account as a variable and it is possible that stroke risk is underestimated in this population. There is a paucity of data regarding anticoagulant choice in cancer patients with atrial fibrillation. Vitamin K antagonists are often preferred over direct oral anticoagulants; however, this may be changing in the near future as new trials specific to this patient population emerge.

Citations

Aug 24, 2019·Current Neurology and Neuroscience Reports·Harold P Adams
Jun 30, 2019·Scandinavian Cardiovascular Journal : SCJ·Maria D'SouzaEmil Fosbøl
Dec 28, 2019·Journal of Clinical Medicine·Iacopo FabianiDaniela Maria Cardinale
May 14, 2020·BMC Cancer·Benoîte MeryLaurent Bertoletti
Feb 25, 2021·European Journal of Preventive Cardiology·Diego PenelaRiccardo Cappato
Aug 3, 2021·Frontiers in Cardiovascular Medicine·Ludhmila Abrahao HajjarTheuran Inahja Vicente Machado
Dec 3, 2021·Circulation Journal : Official Journal of the Japanese Circulation Society·Takanori IkedaHiroshi Inoue

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