Left atrial appendage occlusion in the UK: prospective registry and data linkage to Hospital Episode Statistics.

European Heart Journal. Quality of Care & Clinical Outcomes
Iain WillitsAndrew J Sims

Abstract

Non-valvular atrial fibrillation (AF) greatly increases the risk of ischaemic stroke. For people with contraindications to oral anticoagulation, left atrial appendage occlusion (LAAO) provides a non-pharmacological management alternative. The aim of this study was to measure the procedural safety and longer-term effectiveness of LAAO for AF in a UK setting. This was a prospective, single-armed registry of patients with AF for whom anticoagulation was unsuitable. Registry data were collected between October 2014 and April 2018 and linked to routine data sources for follow-up. Data from 583 LAAO procedures were entered into the registry, of which 537 (from 525 patients) were eligible for inclusion (median CHA2DS2-VASc score 4). A closure device was successfully implanted in 93.4% of cases, with a procedural success rate (device implanted without major complication) of 88.9%. Five patients (1.0%) died in hospital. During follow-up [median 729 (Q1:Q3, 523:913) days] 45 patients experienced neurological events; 33 of which were ischaemic. The ischaemic neurological event rate was 3.3 (1.6-5.0)% at 1 year (n = 387) and 7.0 (4.3-9.6)% at 2 years (n = 196). There were significant improvements in overall patient health (via Visual Analo...Continue Reading

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Citations

Jul 28, 2021·European Heart Journal. Quality of Care & Clinical Outcomes·Vijayabharathy Kanthasamy, Malcolm Finlay

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