Resumption of anticoagulant therapy after major bleeding and the risk of negative events in patients with atrial fibrillation (based on REGistry of Long-term AnTithrombotic TherApy-2 – REGATA)

Autor: Ekaterina S. Kropacheva, Oxana A. Zemlyanskaya, Elena N. Krivosheeva, Elizaveta P. Panchenko
Jazyk: ruština
Rok vydání: 2023
Předmět:
Zdroj: Терапевтический архив, Vol 94, Iss 12, Pp 1374-1380 (2023)
Druh dokumentu: article
ISSN: 0040-3660
2309-5342
00403660
DOI: 10.26442/00403660.2022.12.201994
Popis: Background. It is necessary to strive to resume anticoagulants for patients with atrial fibrillation who have a high risk of thrombosis after the development of large bleeding. Due to the fact that death in these patients is caused not by a recurrence of fatal bleeding, but by the development of stroke in case of refusal of anticoagulant therapy. Aim. To evaluate the effect of the resumption of anticoagulant therapy on the risk of recurrence of major bleeding, thrombosis and death in patients with atrial fibrillation who have suffered major bleeding. Materials and methods. To evaluate the frequency of bleeding, thrombosis and death in patients with atrial fibrillation after major bleeding according to prospective follow-up data for one year. Results. The recurrence rate of major bleeding after the resumption of therapy was 21.7% per year. The frequency of fatal bleeding was 2.2%. In the anticoagulant withdrawal group, the incidence of thrombotic complications (ischemic stroke and myocardial infarction) was significantly higher compared to patients who resumed therapy. The frequency of death from all causes was significantly higher in the group of patients who did not resume anticoagulant therapy. Half of the deaths were due to cardiovascular causes. The presence of more than 5 points of the Charlson Comorbidity Index was a predictor of the development of the sum of all adverse events. Conclusion. The resumption of anticoagulant therapy after the development of major bleeding in patients with atrial fibrillation reduces the risk of thrombosis and death at a cost, while increasing the risk of recurrence of non-fatal bleeding.
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