![]() ![]() 12 In this study, by using data between April 2012 and March 2018 from the nationwide JROAD‐DPC database, we investigated the safety (in‐hospital complications and in‐hospital mortality) of CA in patients with AF, focusing in particular on the influence of age. 11 Recently, we analyzed the JROAD‐DPC data and reported the current status of cardiovascular medicine in the aging society of Japan. ![]() The JROAD‐DPC (Japanese Registry of All Cardiac and Vascular Diseases‐ Diagnosis Procedure Combination) is a nationwide claims database using data from the Japanese Diagnosis Procedure Combination/Per Diem Payment System. There are, however, few safety data on CA for AF in accordance with the detailed age groups and comorbidities. Recent advance in the ablation technique, better understanding of the electrophysiology and anatomy of the heart, and technological advances have influenced both the safety and success rates of this procedure. 7, 8, 9, 10 Indications for CA are based not only on the tachyarrhythmia‐related symptoms and the risk of serious consequences of untreated AF (eg, heart failure), but they also take into account the risks of the ablation procedure. 5, 6 It has been shown that CA for AF improves the quality of life and reduces the risk of a stroke, cardiovascular event, and mortality. 4Ĭatheter ablation (CA) for AF is widely accepted and has become an effective alternative to drug therapy. Therapy with antiarrhythmic drugs is not effective for survival and has toxicities. ![]() 3 Furthermore, symptoms such as palpitations result in a worsening quality of life. 2 AF is associated with increased mortality and morbidity, with stroke and thromboembolic events being major complications. ![]() 1 The number of patients with atrial fibrillation (AF) increases as the older population grows. The global population is progressively aging, and the number of people aged 65 years and older in Japan has exceeded 25%, which is larger than in any other country in the world. It is important to determine the indication and strategies of catheter ablation for atrial fibrillation according to the patients’ characteristics, including age, sex, and comorbidities, to reduce the impact of outcomes. A multivariate adjusted odds ratio revealed that increased age was independently and significantly associated with overall complications (60–64 years, 1.19 65–69 years, 1.29 70–74 years, 1.57 75–79 years, 1.63 80–84 years, 1.90 and ≥85 years, 2.86 the reference was <60 years). Older patients had a higher prevalence of women, lower body mass index, and a higher burden of comorbidities such as hypertension, and all of those characteristics were predictors for complications in multivariate analysis. The overall in‐hospital complication rate was 3.4% (cardiac tamponade 1.2%), and in‐hospital mortality was 0.04%. Among 6 632 484 records found between April 2012 and March 2018 from 1058 hospitals, 135 299 patients with atrial fibrillation (aged 65☑0 years, 38 952 women) who underwent CA in 456 hospitals were studied and divided into the following age groups: <60, 60 to 64, 65 to 69, 70 to 74, 75 to 79, 80 to 84, and ≥85 years. The JROAD‐DPC (Japanese Registry of All Cardiac and Vascular Diseases‐Diagnosis Procedure Combination) is a nationwide claims database using data from the Japanese Diagnosis Procedure Combination/Per Diem Payment System. Stroke: Vascular and Interventional Neurology.Journal of the American Heart Association (JAHA).Circ: Cardiovascular Quality & Outcomes.Arteriosclerosis, Thrombosis, and Vascular Biology (ATVB). ![]()
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