Long-term continuous monitoring with the Zio patch yielded unweighted mean detection rates of 12.2% for atrial fibrillation and 17.3% for ventricular tachycardia across 22 studies.
Systematic Review
Does the Zio patch system improve cardiac arrhythmia detection in monitored patients?
Long-term continuous monitoring with the Zio patch for ≥7 days yields high detection rates for various cardiac arrhythmias, which increase with longer monitoring durations.
Objective: Cardiac arrhythmias can be serious and life threatening, and can impose a significant burden on healthcare systems. Recent technological advances in ambulatory electrocardiogram recorders have led to the development of unobtrusive wearable biosensors which allow physicians to study patients’ continuous cardiac rhythm data collected over multiple weeks. The objective of this systematic literature review was to summarize evidence on the clinical effectiveness of the Zio1 patch, a long-term, continuous, uninterrupted cardiac monitoring system.Methods: Findings from searches of MEDLINE, Embase and the Cochrane Central Register of Controlled Trials, as well as grey literature, were screened by two reviewers to identify studies reporting cardiac arrhythmia detection outcomes among patients monitored with Zio for an intended duration ≥7 days.Results: Twenty-three publications (22 unique studies) were identified. The unweighted mean wear time was 10.4 days (median ranging from 5 to 14 days). The rate of arrhythmia detection increased with monitoring durations >48 h and continued to increase beyond 7 days of monitoring. Across the 22 studies, unweighted mean detection rates for atrial fibrillation (AF; n = 15), supraventricular tachycardia or supraventricular ectopy (n = 15), and ventricular tachycardia (n = 15) were 12.2%, 45.5% and 17.3%, respectively. Unweighted mean detection rates for chronic/sustained AF (n = 5) and paroxysmal AF (n = 5) were 5.6% and 23.3%, respectively.Conclusion: Findings from the review suggest that long-term, continuous, uninterrupted monitoring with Zio results in longer patient wear times and higher cardiac arrhythmia detection rates compared with outcomes reported in previous reviews of short-duration (24–48 h) cardiac rhythm recording studies.
Yenikomshian et al. (Thu,) conducted a systematic review in Cardiac arrhythmias. Zio patch system vs. Short-duration (24–48 h) cardiac rhythm recording was evaluated on Cardiac arrhythmia detection rates. Long-term continuous monitoring with the Zio patch yielded unweighted mean detection rates of 12.2% for atrial fibrillation and 17.3% for ventricular tachycardia across 22 studies.
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