Early rhythm control after stroke linked to lower five-year recurrence in atrial fibrillation study
HealthUnverifiedUpdated:
A study of stroke patients with atrial fibrillation reports an association between early rhythm control and lower recurrence. Five-year rates were 8.0% versus 13.8%, but the observational design does not establish a causal treatment effect.
Comparing early treatment with five-year recurrence
A Kyoto University-led group and collaborators reported tracking about 14,000 patients with acute ischemic stroke and atrial fibrillation. Patients who began rhythm control—treatment intended to restore a normal heart rhythm—within eight weeks had a reported 44% lower subsequent recurrence risk than those without rhythm control, with five-year recurrence rates of 8.0% and 13.8%, respectively. Rhythm control was received by 1.9% of the cohort, or 268 people.
For patients immediately after ischemic stroke, rhythm control was reportedly uncommon and its effect on stroke recurrence had not been established in the supplied account.
The reported association identifies early rhythm control as a potential additional recurrence-prevention option alongside anticoagulants, but it does not establish that the treatment caused the lower recurrence rate or changed standard care.
The finding focuses on managing atrial fibrillation itself after stroke, rather than only preventing blood clots with anticoagulants. Because the result is observational and relatively few participants received rhythm control, it shows an association rather than proving a treatment effect.
Sources
- 京都大学 研究成果「血液サラサラの薬」だけでは防ぎきれない、脳梗塞の再発—不整脈そのものを抑える「リズムコントロール」に注目—脳梗塞後早期の治療開始で、再発リスクが低下—Read source →