Affiliation:
1. Department of Cardiology Complejo asistencial universitario de Salamanca (CAUSA) Salamanca Spain
2. Instituto de Investigación Biomédica de Salamanca (IBSAL) Salamanca Spain
3. Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBER‐CV) Spain
4. Department of Nephrology Complejo asistencial universitario de Salamanca (CAUSA) Salamanca Spain
Abstract
AbstractIntroduction and ObjectivesAdvanced chronic kidney disease (A‐CKD) combined with atrial fibrillation increases the risk of both thrombogenic and bleeding events. Left atrial appendage occlusion (LAAO) may be an alternative to oral anticoagulation to prevent thromboembolic events. We aimed to evaluate the outcomes of LAAO in patients with A‐CKD.MethodsComparison at long‐term follow‐up of patients diagnosed with and without A‐CKD (eGFR<30 mL/min/1.73 m2) who underwent LAAO between 2009 and May 2022.ResultsFive hundred seventy‐three patients were included. Eighty‐one (14%) were diagnosed with A‐CKD. There were no differences in sex, age, and cardiovascular risk factors, except for diabetes which was more frequent in patients with A‐CKD. The control group had higher rates of stroke, both ischemic and hemorrhagic. There were no differences in the CHA2DS2‐VASc score, although A‐CKD patients had a higher bleeding risk according to the HASBLED scale. Global procedural success was 99.1%. At follow‐up, there were no differences in stroke rate: at 1‐year (HR: 1.22, IC‐95%: 0.14–10.42, p = 0.861); at 5‐years (HR: 0.60, IC‐95%: 0.08–4.58, p = 0.594). Although bleeding events were higher in the A‐CKD group, no differences were found in major bleeding (defined BARC ≥ 3) at 1‐year (HR: 1.34, IC‐95%: 0.63–2.88, p = 0.464) or at 5‐years follow‐up (HR: 1.30, IC‐95%: 0.69–2.48, p = 0.434). Mortality rate at 5 years was higher in the A‐CKD patients (HR: 1.84, IC‐95%: 1.18–2.87, p = 0.012).ConclusionsLAAO is an effective and safe treatment in A‐CKD patients to prevent ischemic events and bleeding. This strategy could be an alternative to oral anticoagulation in this high‐risk group of patients.
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