- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00208650
Tissue Doppler Echo Imaging of Heart Function After Transplant
Non-Invasive Quantitation of Myocardial Dysfunction by Tissue Doppler/Synchronization Imaging After Orthotopic Heart Transplantation in Children
Study Overview
Status
Conditions
Detailed Description
Heart transplantation is the only hope for children with end stage heart disease. Eventually cardiac deterioration occurs and leads to death or re-transplantation. Our understanding of the pathophysiology of cardiac dysfunction in these children is incomplete. The time course of the dysfunction process either in the RV and/or the LV, systole or diastole has never been studied in children. No meaningful TSI quantitation has ever been performed in a large pediatric OHT patient population. The long-term goal of this study will be the detection of functional myocardial changes associated with known stages post heart transplantation using TDI and TSI. These achievements impact the survival and quality of life of children after cardiac transplantation.
Research Design and Methods
All subjects who are treated in the transplant clinic will be approached for possible participation into the study. These patients will include newly transplanted (OHT) patients as well as patients who underwent OHT prior to the enrollment year. The following procedures will occur at each study visit:
Echocardiographic assessment Standard 2-dimensional, M-mode, and Doppler or 3-dimensional echocardiography evaluation will be performed. We will assess cardiac function using left ventricular shortening (SF) and ejection fractions (EF). The EF will be calculated using both M-Mode and by Simpson's rule. We will also perform tissue synchronization imaging (TSI) and tissue Doppler imaging (TDI) using the GE Vivid 7 echocardiographic system. Both TSI and TDI will assist investigators in assessing mechanical synchrony. In newly transplanted patients, these echocardiographic assessments will occur during the first 5 days to serially measure ventricular synchrony during the acute post-operative period. For older transplant patients and for new transplant patients greater than five days out from transplantation, echocardiographic studies will occur at all follow-up clinic visits as determined by physician preference.
Clinical assessment Clinical evaluation will be performed during all follow-up visits in order to track unrecognized complications or adverse events. As is standard, all patients undergoing transplantation follow-up will have an electrocardiogram (EKG) performed to assess rhythm.
Study Type
Enrollment
Contacts and Locations
Study Locations
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Georgia
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Atlanta, Georgia, United States, 30322
- Children's Healthcare of Atlanta at Egleston
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Children who have had cardiac transplant within one year.
Exclusion Criteria:
-
Study Plan
How is the study designed?
Design Details
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Derek Fyfe, MD, Emory University
Publications and helpful links
General Publications
- Boucek MM, Faro A, Novick RJ, Bennett LE, Keck BM, Hosenpud JD. The Registry of the International Society for Heart and Lung Transplantation: Fourth Official Pediatric Report--2000. J Heart Lung Transplant. 2001 Jan;20(1):39-52. doi: 10.1016/s1053-2498(00)00243-6. No abstract available.
- Kanter KR, Tam VK, Vincent RN, Cuadrado AR, Raviele AA, Berg AM. Current results with pediatric heart transplantation. Ann Thorac Surg. 1999 Aug;68(2):527-30; discussion 530-1. doi: 10.1016/s0003-4975(99)00616-5.
Study record dates
Study Major Dates
Study Start
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 0620-2004
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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