Status:
COMPLETED
Left Ventricular Torsional Hysteresis: A Global Parameter for Diastolic Function
Lead Sponsor:
University of Alabama at Birmingham
Collaborating Sponsors:
National Heart, Lung, and Blood Institute (NHLBI)
Conditions:
Heart Failure
Diastolic Heart Failure
Eligibility:
All Genders
19+ years
Brief Summary
Diastolic dysfunction refers to abnormal mechanical properties of the myocardium and includes abnormal LV diastolic distensibility, impaired filling and slow or delayed relaxation- regardless of wheth...
Eligibility Criteria
Inclusion
- Major inclusion criteria: Normal screening LV ejection fraction.
Exclusion
- Atrial fibrillation or other significant cardiac arrhythmia on ECG
- Presence of pacemaker or defibrillator
- Angioplasty or primary coronary intervention PCI/PTCA during index cardiac catheterization.
- Patient is unable to undergo cardiac MRI due to contraindication to MRI (MRI incompatible metal prosthesis or implants or significant claustrophobia).
- Patient taking phosphodiesterase 5 inhibitor (eg. sildenafil) will be excluded due to potential interaction with nitroglycerin.
Key Trial Info
Start Date :
August 1 2011
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
June 1 2015
Estimated Enrollment :
45 Patients enrolled
Trial Details
Trial ID
NCT01431027
Start Date
August 1 2011
End Date
June 1 2015
Last Update
August 18 2015
Active Locations (2)
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1
VA Medical Center
Birmingham, Alabama, United States, 35243
2
UAB Hospital
Birmingham, Alabama, United States, 35294