- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01993264
Fetal Cardiac Strain Imaging Research
Standardization Of A Novel Method To Assess Fetal Cardiac Function: Myocardial Deformation Analysis
Cardiac disease in children may start early in life and evidence of cardiac disease can be seen during prenatal life. A variety of diseases diagnosed during fetal life can put children at risk for cardiac disease. The accurate assessment of cardiac function is important in these patients. A type of imaging scan called "fetal echocardiogram" is used to measure the contractility or squeeze of the heart. The fetal echocardiogram is a painless test and completely non-invasive.
This study aims to recruit women and fetuses to determine if this imaging scan can be used throughout the pregnancy to measure heart squeeze and develop normal values to help doctors better diagnose fetuses who may have cardiac disease before they are born.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The subject will have to complete 6 fetal echocardiograms. A fetal echocardiogram is picture of the unborn baby's heart in motion made by bouncing sound waves off the heart and recording the echo. The procedure will be very similar to the ultrasounds that the subject is already receiving as part of her prenatal care.
The scans will start at week 20 of the subject's pregnancy and repeat every 3 weeks until week 38 of birth (whichever occurs first). The appointments will last approximately 30 minutes each and will be performed by one of two sonographers trained specifically in fetal echocardiography. One additional echocardiogram will be performed on the infant after birth, within the first two months of life. In addition to the scans, study staff will access the subject's medical record to collect information such as: age, ethnicity, race, medical history and health insurance status.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Texas
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Houston, Texas, United States, 77030
- Texas Children's Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patient at the obstetrics clinic at Texas Children's Hospital Pavilion for Women at the time of their second trimester screening ultrasound
- Fetus must have no recognizable disease at the second trimester screening ultrasound
- Willing to participate in a total of 5 fetal echocardiograms and one within 2 months after delivery
- English or Spanish literacy
- A four chamber view of the heart must be visible upon screening examination
- No fetal anatomic or growth abnormalities suspected on screening examination.
Exclusion Criteria:
- Subjects that meet the cutoff point for maternal obesity (BMI>30) and have identified risk factors for fetal cardiac dysfunction as determined by medical team.
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Inter-observer variability of institutional imaging and analysis protocol
Time Frame: 1 year
|
Determine the inter-observer variability of our imaging and analysis protocol for the measurement of fetal myocardial deformation throughout gestation and after birth.
The investigator will use the paired t-test to compare differences in measurement between the two observers at each time point.
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1 year
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Normative reference ranges for various measures of myocardial deformation
Time Frame: 1 year
|
Develop normative reference ranges for various measures of myocardial deformation (global left and right ventricular strain and strain rate) across gestation and after birth.
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1 year
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Ricardo Pignatelli, MD, Baylor College of Medicine - Texas Children's Hospital
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- H-33343
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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