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Clinical Trial Summary

Cardiac resynchronization therapy (CRT) has been a valuable intervention for patients with systolic heart failure for over 15 years. Despite years of research, there is a still a 25-40% non-responder rate depending on the outcomes measured. CRT optimization is a term used to describe the act of individualizing the therapy (CRT programming) for an individual patient. This is not often performed, but when it is, echocardiography is utilized. Recent work of body surface mapping using a novel system called the ECG Belt has shown a relationship between measures of electrical dyssynchrony and acute and chronic heart pumping function. This study will compare outcomes of patients randomized to either echocardiographic or ECG Belt optimization of CRT devices.

Clinical Trial Description

This is a prospective randomized study designed to determine whether cardiac resynchronization therapy (CRT) device programming guided by the ECG Belt (Medtronic, PLC) improves echocardiographic and functional outcomes in heart failure (HF) patients. The population will include patients treated with CRT for standard indications (not implanted for the sole purposes of this study). The study will focus enrollment on patients who do not have baseline characteristics predicting the best CRT response. Therefore the study will not enroll patients having non-ischemic HF etiology, left bundle branch (LBBB) morphology, and QRSd > 150 ms or those previously RV paced. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT03305692
Study type Interventional
Source Allina Health System
Contact Ryan Gage, MS
Phone 651-241-2810
Status Recruiting
Phase N/A
Start date October 31, 2017
Completion date September 2019

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