Measuring Electrical Resistance of Different Tissues on the Outer Surface of the Heart

Stopped early

Conditions studied: Cardiomyopathies, Ventricular Dysfunction, Myocardial Infarction, Arrhythmia

In brief

This is a research study to evaluate the electrical properties of heart tissue. The purpose of this study is to determine the impedance (electrical resistance) of different tissues on the outer surface of the heart. This may be important for distinguishing scarred heart muscle from fat that can be seen on the surface of the heart. This information may eventually be utilized in patients that undergo a procedure (called catheter ablation) for the treatment of life-threatening heart rhythms. Investigators expect a detectable difference between the impedance of normal and infarcted myocardium (approximately 50 ohms).

Key facts

Study ID

NCT00291174

Run by

University of Pennsylvania

People needed

8

Starts

2006-04-01

Expected to finish

2008-01-01

Last updated by the study team

2016-08-16

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• All adult patients undergoing elective cardiac surgery for coronary artery disease (with or without normal heart function) or valvular disease (with normal heart function) at the Hospital of the University of Pennsylvania under the direction of Y. Joseph Woo MD will be eligible.

You may not qualify if…

• Patients undergoing emergent surgery and patients with idiopathic cardiomyopathy, infiltrative cardiomyopathies and hypertrophic cardiomyopathies will be excluded.

Where it is running

• Hospital of the University of Pennsylvania — Philadelphia, Pennsylvania, United States

Full record on ClinicalTrials.gov

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