T-Wave Alternans (TWA) Reproducibility in CAD Patients

Status Not yet recruiting

Clinical Trial Summary

Microvolt T-Wave Alternans (MTWA) is a relatively new non-invasive method for identifying patients at increased risk of sudden death from ventricular arrhythmias. MTWA can be measured during a routine exercise test, during pharmacologic stress or during cardiac pacing. Its clinical performance compares favorably with that of other non-invasive risk stratifiers and invasive electophysiologic studies. The purpose of the present study is to define the reproducibility of MTWA testing.

Clinical Trial Description

The study will be performed in the Cardiac Rehabilitation Center at Assaf Harofeh Medical Center. Patients with coronary artery disease will be eligible to enroll.

Patient will undergo an exercise test on a stationary bicycle. TWA will be measured at heart rate of 105 and 115 BPM. The test will be repeated one week later in the same fashion. The patient will continue follow-up in the rehabilitation center as dictated by the rehabilitation program. Patients will be kept on their regular medications and there will be no change of the medications from the first TWA measurement to the second. ;

Study Design

Observational Model: Case Control, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00644345
Study type	Observational
Source	Assaf-Harofeh Medical Center
Contact	Therese Fuchs, MD
Phone	972-8-977-9735
Email	fuchst@asaf.health.gov.il
Status	Not yet recruiting
Phase	N/A
Start date	May 2008
Completion date	May 2009

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