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Comparative Study
Journal Article
Multicenter Study
Long-term outcomes following percutaneous left atrial appendage closure in patients with atrial fibrillation and contraindications to anticoagulation.
PURPOSE: We aimed to evaluate the late clinical outcomes of percutaneous LAA closure in patients with atrial fibrillation (AF) and contraindication to oral anticoagulation.
METHODS: Consecutive AF patients with contraindications to oral anticoagulation who underwent successful LAA closure between December 2008 and March 2013 at four centers were included.
RESULTS: A total of 101 patients (median age 76 [IQR 69-80] years, 48% women, mean CHA2 DS2 -VASc 5 ± 2; HAS-BLED 4 ± 1) were included. Eighty-six (85.1%) patients received an Amplatzer Cardiac Plug/Amulet device and 15 (14.9%) patients a Watchman device. The mean follow-up period was 4 ± 1 years. During 358.6 patient-years of follow-up, 7 (6.9%) patients suffered a major stroke (2 cases per 100 person-years; expected rate: 6.2 cases per 100 person-years), and 20 (19.8%) patients experienced at least one episode of major bleeding (6.4 cases per 100 person-years; expected rate: 9.0 cases per 100 person-years). There were no cases of late adverse events related to the device. A total of 34 (33.7%) patients died during follow-up (9.5 cases per 100 person-years). Older age, male sex, low ejection fraction, and chronic kidney disease were identified as predictive factors of late mortality.
CONCLUSIONS: Percutaneous LAA closure is safe and effective in the long term in patients with AF with contraindications to anticoagulation. However, a high long-term mortality rate was observed in this high-risk population. Comprehensive patient assessment prior to undergoing LAA closure should identify patients in whose comorbidities limit their overall prognosis.
METHODS: Consecutive AF patients with contraindications to oral anticoagulation who underwent successful LAA closure between December 2008 and March 2013 at four centers were included.
RESULTS: A total of 101 patients (median age 76 [IQR 69-80] years, 48% women, mean CHA2 DS2 -VASc 5 ± 2; HAS-BLED 4 ± 1) were included. Eighty-six (85.1%) patients received an Amplatzer Cardiac Plug/Amulet device and 15 (14.9%) patients a Watchman device. The mean follow-up period was 4 ± 1 years. During 358.6 patient-years of follow-up, 7 (6.9%) patients suffered a major stroke (2 cases per 100 person-years; expected rate: 6.2 cases per 100 person-years), and 20 (19.8%) patients experienced at least one episode of major bleeding (6.4 cases per 100 person-years; expected rate: 9.0 cases per 100 person-years). There were no cases of late adverse events related to the device. A total of 34 (33.7%) patients died during follow-up (9.5 cases per 100 person-years). Older age, male sex, low ejection fraction, and chronic kidney disease were identified as predictive factors of late mortality.
CONCLUSIONS: Percutaneous LAA closure is safe and effective in the long term in patients with AF with contraindications to anticoagulation. However, a high long-term mortality rate was observed in this high-risk population. Comprehensive patient assessment prior to undergoing LAA closure should identify patients in whose comorbidities limit their overall prognosis.
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