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Coarctation of the aorta
1Division of Pediatric Cardiology, The University of Texas/Houston Medical School, 6431 Fannin, MSB 3.130, Houston, TX 77030, USA. P.Syamasundar.Rao@uth.tmc.edu
Current Cardiology Reports
|November 1, 2005
Summary
Coarctation of the aorta, a congenital heart defect causing hypertension, is treatable. Interventional techniques like balloon angioplasty and stenting are increasingly preferred over surgery for managing this aortic narrowing.
Area of Science:
- Cardiology
- Pediatric Cardiology
- Interventional Cardiology
Background:
- Coarctation of the aorta is a significant congenital heart defect, affecting 5-8% of cases.
- It often presents as secondary hypertension or is detected during routine examinations.
- Key clinical signs include delayed femoral pulses and a significant arm-leg systolic blood pressure difference.
Purpose of the Study:
- To review the diagnosis and management of coarctation of the aorta.
- To highlight the shift towards less invasive, catheter-based interventions.
- To emphasize the need for long-term follow-up data on interventional outcomes.
Main Methods:
- Diagnosis involves echocardiography with Doppler, cardiac catheterization, and angiography.
- Treatment options include surgical repair and transcatheter techniques such as balloon angioplasty and stent implantation.
- The study reviews current trends in managing aortic coarctation.
Main Results:
- Echocardiography and Doppler assess coarctation severity via flow velocities.
- Cardiac catheterization quantifies pressure gradients and angiography visualizes aortic narrowing.
- Transcatheter techniques are gaining prominence due to surgical morbidity.
Conclusions:
- Coarctation of the aorta is a treatable cause of hypertension.
- Transcatheter interventions (angioplasty, stenting) are becoming primary treatment options.
- Further research is needed on the long-term efficacy of these interventional methods.