Extended cardiac ambulatory rhythm monitoring in adults with congenital heart disease: Arrhythmia detection and impact of extended monitoring

Authors: Karen E Schultz, George K Lui, Doff B McElhinney, Jin Long, Vidhya Balasubramanian, Charlotte Sakarovitch, Susan M Fernandes, Anne M Dubin, Ian S Rogers, Anitra W Romfh, Kara S Motonaga, Mohan N Viswanathan, Scott R Ceresnak.

Summary:

Retrospective study on adult congenital heart disease (ACHD) patients looking at 14-day ambulatory cardiac monitoring compared to 48-hour monitoring for patient management.

Key Findings:

54% of patients experienced their first arrhythmia after 48 hours of monitoring.

Management changes including medicine changes, further diagnostic testing, or procedures in 16% patients monitored beyond 48 hours.

Among those requiring a care change, 43% had changes due to arrhythmias detected after 48 hours.

34% of care changes were due to SVT, while 66% were due to NSVT.

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