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Vascular Endothelial Function and Cardiac Resynchronization Response in Patients With Heart Failure

Not Applicable
Terminated
Conditions
Heart Failure
Registration Number
NCT02783716
Lead Sponsor
Mayo Clinic
Brief Summary

The purpose of this research study is to determine the role of blood vessel endothelial function in heart failure and the effect of Cardiac Resynchronization Therapy (CRT) on heart and endothelial function.

Detailed Description

Not available

Recruitment & Eligibility

Status
TERMINATED
Sex
All
Target Recruitment
45
Inclusion Criteria
  • CRT Group: Patients recommended for CRT-P or CRT-D for heart failure (HF) according to current American Heart Association (AHA)/American College of Cardiology (ACC)/Heart Rhythm Society (HRS) guidelines of Left Ventricle Ejection Fraction (LVEF)<35%, Left Bundle Branch Block (LBBB)>120 ms, New York Heart Association (NYHA) Class II-III).
  • Control Group: Patients who undergo device (pacemaker or ICD) implantation or a pack change for sinus node dysfunction or AV blocks
Exclusion Criteria
  • Patients who are unwilling or unable to return for follow up visits 3 months after device implantation.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Change in vascular endothelial functionbaseline, 3 months

Vascular endothelial function will be measured using peripheral arterial tonometry as the reactive hyperemia index (RHI) at baseline and at 3 months.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Mayo Clinic

🇺🇸

Rochester, Minnesota, United States

Mayo Clinic
🇺🇸Rochester, Minnesota, United States

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