Not provided
Not provided
Not provided
| ID | Type | Description | Link |
|---|---|---|---|
| UCSF Seed Grant FWA #00000068 |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Patients with pulmonary regurgitation after surgical correction of ToF over 13 years old will be recruited from the UCSF adult congenital heart disease clinic. Since there is no data in the literature describing the prevalence of abnormal MRI volumetric and functional parameters in asymptomatic patients with PR after ToF repair, a pilot study with 30 patients will be conducted. Increase in sample size may be necessary in the future to accurately interpret the data. After informed consent is obtained, clinical history and physical examination as well as review of old charts will be performed to characterize these patient's clinical status. All patients will undertake a graduated supine bicycle exercise test with MVO2 measurement to assess exercise capacity.
MRI studies will be performed in a 1.5 tesla unit. SSFP cine images will be obtained in the short-axis plane encompassing the entire heart. Velocity-encoded cine MR images will be obtained perpendicular to the direction of blood flow in the main pulmonary artery. Volumetric and flow analysis will be performed in a separate dedicated workstation by a radiologist. End-diastolic volume, end-systolic volume, ejection fraction, total ejection fraction and pulmonary regurgitant fraction will be calculated.
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Inclusion Criteria:
Patients over 13 years of age with pulmonary regurgitation after surgical correction of tetralogy of Fallot.
Exclusion Criteria:
Contraindication for MRI study. Claustrophobia.
Not provided
Not provided
Not provided
This is a cross sectional study. Patients with pulmonary regurgitation after repair of tetralogy of Fallot assisted in the adult or pediatric congenital heart disease clinic or referred for clinical MRI studies at our institution will be invited to participate in the study.
Not provided
| Name | Affiliation | Role |
|---|---|---|
| Charles B Higgins, MD | UCSF Department of Radiology | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| UCSF Medical Center | San Francisco | California | 94143 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 15028368 | Background | Geva T, Sandweiss BM, Gauvreau K, Lock JE, Powell AJ. Factors associated with impaired clinical status in long-term survivors of tetralogy of Fallot repair evaluated by magnetic resonance imaging. J Am Coll Cardiol. 2004 Mar 17;43(6):1068-74. doi: 10.1016/j.jacc.2003.10.045. | |
| 12475468 | Background | Davlouros PA, Kilner PJ, Hornung TS, Li W, Francis JM, Moon JC, Smith GC, Tat T, Pennell DJ, Gatzoulis MA. Right ventricular function in adults with repaired tetralogy of Fallot assessed with cardiovascular magnetic resonance imaging: detrimental role of right ventricular outflow aneurysms or akinesia and adverse right-to-left ventricular interaction. J Am Coll Cardiol. 2002 Dec 4;40(11):2044-52. doi: 10.1016/s0735-1097(02)02566-4. |
Not provided
Not provided
Not provided
| ID | Term |
|---|---|
| D011665 | Pulmonary Valve Insufficiency |
| D013771 | Tetralogy of Fallot |
| ID | Term |
|---|---|
| D006349 | Heart Valve Diseases |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D006330 | Heart Defects, Congenital |
Not provided
Not provided
Not provided
Not provided
Not provided
| 10672616 | Background | Helbing WA, de Roos A. Clinical applications of cardiac magnetic resonance imaging after repair of tetralogy of Fallot. Pediatr Cardiol. 2000 Jan-Feb;21(1):70-9. doi: 10.1007/s002469910009. |
| Background | Araoz PA, Reddy GP, Higgins CB. Congenital heart disease. In: Higgins CB, de Roos A, eds. Cardiovascular MRI and MRA. 1 ed. Philadelphia: Lippincott Williams & Wilkins, 2003; 122-135. |
| 8517291 | Background | Higgins CB, Caputo GR. Role of MR imaging in acquired and congenital cardiovascular disease. AJR Am J Roentgenol. 1993 Jul;161(1):13-22. doi: 10.2214/ajr.161.1.8517291. |
| 10548768 | Background | van der Geest RJ, Reiber JH. Quantification in cardiac MRI. J Magn Reson Imaging. 1999 Nov;10(5):602-8. doi: 10.1002/(sici)1522-2586(199911)10:53.0.co;2-c. |
| 8668769 | Background | Higgins CB, Sakuma H. Heart disease: functional evaluation with MR imaging. Radiology. 1996 May;199(2):307-15. doi: 10.1148/radiology.199.2.8668769. |
| 10548767 | Background | Pettigrew RI, Oshinski JN, Chatzimavroudis G, Dixon WT. MRI techniques for cardiovascular imaging. J Magn Reson Imaging. 1999 Nov;10(5):590-601. doi: 10.1002/(sici)1522-2586(199911)10:53.0.co;2-s. |
| D018376 |
| Cardiovascular Abnormalities |
| D000013 | Congenital Abnormalities |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |