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Zio® by iRhythm Shows Significantly Higher Documentation of Atrial Fibrillation and Atrial Flutter Compared to Holter Monitors, Event Monitors
Additional clinical research shows bradyarrhythmias can be detected with 14-day cardiac monitoring through Zio XT before and after TAVR SAN FRANCISCO, Feb.

About this update from Irhythm Holdings, Inc.
[{"type":"text","content":"Additional clinical research shows bradyarrhythmias can be detected with 14-day cardiac monitoring through Zio XT before and after TAVR\nSAN FRANCISCO, Feb. 28, 2022 (GLOBE NEWSWIRE) -- iRhythm Technologies, Inc. (NASDAQ:IRTC), a leading digital healthcare solutions company focused on the advancement of cardiac care, announced that the results of the KP-Rhythm2 study, titled “Diagnostic yield, outcomes and resource utilization with different ambulatory electrocardiographic monitoring strategies,” were published in the American Journal of Cardiology (AJC). While earlier peer-reviewed studies have found Zio XT to be better than Holter and event monitors in the detection of arrhythmias, the KP-Rhythm2 study, led by Kaiser Permanente and supported by a research grant from iRhythm Technologies, Inc., is the first study to address specifically Zio XT patch vs. a 30-day event monitor yielding similar diagnostic yield for atrial fibrillation (AF)/ atrial flutter (AFL) ≥30 seconds in a general population of adults without known prior AF/AFL. “It’s been demonstrated that Holter monitors often result in repeat testing, longer time to diagnosis, increased costs of healthcare, and a delay to clinical intervention,” said iRhythm CEO Quentin Blackford. “This latest clinical research further validates that monitoring with Zio by iRhythm leads to better diagnostic yield and aids in more accurate diagnoses.” The KP-Rhythm2 study examined the efficacy of Zio XT, Holter monitors, and event monitors. It was designed to assess diagnostic yield, outcomes, and resource utilization by monitoring modality in individuals without previously documented AF or AFL. Zio XT was associated with significantly higher documentation1 of AF/AFL -related supraventricular tachycardias and non-sustained ventricular tachycardia than both 24-hour Holter and 30-day event monitoring. In addition, the results of the Brady-TAVR study, titled “Bradyarrhythmias detected by extended rhythm recording in patients undergoing transcatheter aortic valve replacement,” were published in Heart Rhythm Journal in November 2021. The study aimed to determine the prevalence of bradyarrhythmias among patients undergoing transcatheter aortic valve replacement (TAVR) and whether pre- and post-TAVR extended rhythm monitoring with Zio XT would aid in the prediction of conduction disturbances and ...