Why the study?
Atrial fibrillation is associated with significant morbidity and is predicted by atrial high rate events, but clinical reactions to and timing of reactions to detected AHREs needed evaluation.
Does the DX ICD system with Home Monitoring lead to timely clinical reactions (e.g., OAC prescription) upon detection of atrial high rate episodes in ICD recipients?
Population
234 patients with DX ICD systems
Comparison
Clinical reaction to detected AHRE
Design
Prospective cohort study
Follow-up
Mean 16 months
Key result
Continuous monitoring with the DX ICD system detected atrial high rate episodes ≥6 min in 13.7% of patients over 16 months, leading to high rates of oral anticoagulation prescription despite delays.
Authors
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Delays in OAC after AHRE detection may require protocol improvements; leaves open whether DX monitoring improves outcomes in ICD patients.
Cohort (n=234)
Does the DX ICD system with Home Monitoring lead to timely clinical reactions (e.g., OAC prescription) upon detection of atrial high rate episodes in ICD recipients?
The DX ICD system effectively detects atrial high rate episodes, prompting oral anticoagulation prescription in at-risk patients, though delays in clinical response highlight the need for improved local protocols.
O’Connor et al. (2022) conducted a cohort in Implantable cardioverter-defibrillator recipients (n=234). DX ICD system combined with Home Monitoring was evaluated on Reaction to and timing of reactions to the detection of atrial high rate episodes (AHRE). Continuous monitoring with the DX ICD system detected atrial high rate episodes ≥6 min in 13.7% of patients over 16 months, leading to high rates of oral anticoagulation prescription despite delays.
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