“To the best of our knowledge, this is the first study to have demonstrated the preventive effect of AF ablation on long-term AF-related cardiovascular events in very old patients with NVAF.”
Credit: 2023 Okawa et al.
“To the best of our knowledge, this is the first study to have demonstrated the preventive effect of AF ablation on long-term AF-related cardiovascular events in very old patients with NVAF.”
BUFFALO, NY- August 22, 2023 – A new research paper was published in Aging (listed by MEDLINE/PubMed as “Aging (Albany NY)” and “Aging-US” by Web of Science) Volume 15, Issue 15, entitled, “Cardiovascular events and death after catheter ablation in very old patients with nonvalvular atrial fibrillation.”
Catheter ablation of atrial fibrillation (AF) is recommended for selected older patients. However, the preventive effects of AF ablation on cardiovascular events and death remain unclear, especially in older patients. In this new study, researchers Keisuke Okawa, Satoshi Taya, Takeshi Morimoto, Ryu Tsushima, Yuya Sudo, Ai Sakamoto, Eisuke Saito, Masahiro Sogo, Masatomo Ozaki, and Masahiko Takahashi from Kagawa Prefectural Central Hospital and Hyogo Medical University aimed to investigate the impact of AF ablation on the incidence of cardiovascular events and death in very old nonvalvular AF (NVAF) patients.
“We conducted a prospective cohort study of consecutive patients with NVAF aged ≥80 years and using direct oral anticoagulants (DOACs).”
The researchers defined cardiovascular events as acute heart failure (AHF), strokes and systemic embolisms (SSEs), acute coronary syndrome (ACS), and sudden cardiac death (SCD) and cardiovascular death as AHF/SSE/ACS-related death and SCD. They compared the 3-year incidence of cardiovascular events and death between the patients who underwent AF ablation (Ablation group) and those who received medical therapy only (Medication group).
Among the 782 NVAF patients using DOACs, propensity score matching provided 208 patients in each group. The Ablation group had a significantly lower 3-year incidence of cardiovascular events and death than the Medication group: cardiovascular events, 24 (13.2%) vs. 43 (23.3%), log-rank P = 0.009 and hazard ratio (HR) 0.52 (95% confidence interval (CI) 0.32–0.86) and cardiovascular deaths, 5 (3.0%) vs. 15 (7.8%), log-rank P = 0.019 and HR 0.32 (95% CI 0.16–0.88).
“In very old NVAF patients using DOACs, those who underwent AF ablation had a lower incidence of both cardiovascular events and death than those who received medical therapy only.”
Continue reading: DOI: https://doi.org/10.18632/aging.204952
Corresponding Author: Keisuke Okawa
Corresponding Email: [email protected]
Keywords: atrial fibrillation, catheter ablation, cardiovascular event, cardiovascular death, very old patient
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About Aging:
Launched in 2009, Aging publishes papers of general interest and biological significance in all fields of aging research and age-related diseases, including cancer—and now, with a special focus on COVID-19 vulnerability as an age-dependent syndrome. Topics in Aging go beyond traditional gerontology, including, but not limited to, cellular and molecular biology, human age-related diseases, pathology in model organisms, signal transduction pathways (e.g., p53, sirtuins, and PI-3K/AKT/mTOR, among others), and approaches to modulating these signaling pathways.
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Journal
Aging-US
DOI
10.18632/aging.204952
Method of Research
Experimental study
Subject of Research
People
Article Title
Cardiovascular events and death after catheter ablation in very old patients with nonvalvular atrial fibrillation
Article Publication Date
12-Aug-2023
