期刊
JACC-CARDIOVASCULAR INTERVENTIONS
卷 12, 期 21, 页码 2119-2129出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jcin.2019.06.019
关键词
atrial fibrillation; bleeding; heart failure; mortality; stroke; transcatheter aortic valve replacement
资金
- NHLBI NIH HHS [K08 HL122527] Funding Source: Medline
- NIA NIH HHS [R01 AG055663] Funding Source: Medline
OBJECTIVES This study sought to evaluate impact of new-onset and pre-existing atrial fibrillation (AF) on transcatheter aortic valve replacement (TAVR) long-term outcomes compared with patients without AF. BACKGROUND Pre-existing and new-onset AF in patients undergoing TAVR are associated with poor outcomes. METHODS The study identified 72,660 patients >= 65 years of age who underwent nonapical TAVR between 2014 and 2016 using Medicare inpatient claims. History of AF was defined by diagnoses on claims during the 3 years preceding the TAVR, and new-onset AF was defined as occurrence of AF during the TAVR admission or within 30 days after TAVR in a patient without prior history of AF. Outcomes included all-cause mortality, and readmission for bleeding, stroke, and heart failure (HF). RESULTS Overall, 40.7% had pre-existing AF (n = 29,563) and 6.8% experienced new-onset AF (n = 2,948) after TAVR. Mean age was 81.3, 82.4, and 83.8 years in patients with no AF, pre-existing, and new-onset AF, respectively. Pre-existing AF patients had the highest burden of comorbidities. After follow-up of 73,732 person-years, mortality was higher with new-onset AF compared with pre-existing and no AF (29.7, 22.6, and 12.8 per 100 person-years, respectively; p < 0.001). After adjusting for patient characteristics and hospital TAVR volume, new-onset AF remained associated with higher mortality compared with no AF (adjusted hazard ratio: 2.068, 95% confidence interval [CI]: 1.92 to 2.20; p < 0.01) and pre-existing AF (adjusted hazard ratio: 1.35; 95% CI: 1.26 to 1.45; p < 0.01). In competing risk analysis, new-onset Al was associated with higher risk of bleeding (subdistribution hazard ratio [sHR]: 1.66; 95% 0: 1.48 to 1.86; p < 0.01), stroke (sHR: 1.92; 95% CI: 1.63 to 2.26; p < 0.01), and HF (sHR: 1.98; 95% CI: 1.81 to 2.16; p < 0.01) compared with pre-existing AF. CONCLUSIONS In patients undergoing TAVR, new-onset AF is associated with increased risk of mortality and bleeding, stroke, and HF hospitalizations compared with pre-existing AF or no AF. (C) 2019 by the American College of Cardiology Foundation.
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