Status:
COMPLETED
Speckle Tracking Echocardiography Analysis of Left Ventricular Myocardium After Percutaneous Intramyocardial Septal Radiofrequency Ablation for Hypertrophic Obstructive Cardiomyopathy
Lead Sponsor:
Xijing Hospital
Conditions:
Hypertrophic Obstructive Cardiomyopathy
Eligibility:
All Genders
18-80 years
Phase:
NA
Brief Summary
Objective to investigate the left ventricular (LV) systolic function by speckle tracking echocardiography before and after percutaneous intramyocardial septal radiofrequency ablation for hypertrophic ...
Eligibility Criteria
Inclusion
- Patients with symptoms that limit daily activities (New York Heart Association functional class \>II, exercise-induced syncope) despite adequate medical treatment or when medical treatment is not tolerated
- Patients with a peak LVOT gradient≥50 mm Hg
Exclusion
- Those with a peak instantaneous Doppler LVOT gradient of \<50 mm Hg
- Those with an indication for septal reduction therapy and other lesions requiring surgical intervention (e.g., mitral valve repair/replacement and papillary muscle intervention)
- Those with end-stage heart failure；and those the echocardialology image quality is not clear enough for strain analysis.
Key Trial Info
Start Date :
October 22 2016
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
July 9 2019
Estimated Enrollment :
70 Patients enrolled
Trial Details
Trial ID
NCT04777188
Start Date
October 22 2016
End Date
July 9 2019
Last Update
March 8 2021
Active Locations (1)
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1
Ultrasound Medicine Department of Xijing Hospital, Fourth Military Medical University
Xi'an, Shaanxi, China, 710000