Aortic coarctation: Difference between revisions

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==Diagnosis==
==Diagnosis==
[[Aortic coarctation symptoms | Symptoms]] | [[Aortic coarctation physical examination | Physical examination]] | [[Aortic coarctation electrocardiogram | Electrocardiogram]] | [[Aortic coarctation chest x-ray | Chest x-ray]] | [[Aortic coarctation echocardiography | Echocardiography]]
[[Aortic coarctation symptoms | Symptoms]] | [[Aortic coarctation physical examination | Physical examination]] | [[Aortic coarctation electrocardiogram | Electrocardiogram]] | [[Aortic coarctation chest x-ray | Chest x-ray]] | [[Aortic coarctation echocardiography | Echocardiography]] | [[Aortic coarctation angiography | Angiography]] | [[Aortic coarctation MRI | MRI]] | [[Aortic coarctation CT | CT]]  




*Useful in determining associated abnormalities.
*Weyman et al were able to visualize this area and make the diagnosis on 2D echo in 16/18 patients.
*Confirmation by cardiac catheterization is unnecessary. Only done when the diagnosis is unclear, which is rare. It is mandatory in the infant to determine preoperative anatomy.
<googlevideo>-1958798054061108175&hl=en</googlevideo>
<googlevideo>-5952201527214554387&hl=en</googlevideo>


===Angiography===
===Angiography===

Revision as of 17:21, 24 June 2011

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Aortic coarctation Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Overview

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Natural History

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Symptoms | Physical examination | Electrocardiogram | Chest x-ray | Echocardiography | Angiography | MRI | CT


Angiography

<youtube v=yvwCL3D8MFM />

MRI

Magnetic resonance imaging (MRI) can define the location and severity of a coarctation. MRI can also detect associated cardiac abnormalities and is used for serial follow-up after surgical repair or balloon angioplasty. MR angiography has almost completely replaced invasive catheter based techniques for evaluating re coarctation. In adults with untreated coarctation blood often reaches the lower body through collaterals, eg. internal thoracic arteries via. the subclavian arteries. Those can be seen on MR or angiography.

Schematic drawing of alternative locations of a coarctation of the aorta, relative to the ductus arteriosus. A: ductal coarctation, B: preductal coarctation, C: postductal coarctation. 1: Aorta ascendens, 2: Arteria pulmonalis, 3: Ductus arteriosus, 4: Aorta descendens, 5: Trunchus brachiocephalicus, 6: Arteria carotis communis sinister, 7: Arteria subclavia sinister

CT

CT images shown below are courtesy of Cafer Zorkun and copylefted

Therapy

Therapy is conservative if the patient is asymptomatic. If symptoms or hypertension are present, treatment for coarctation may be surgical or catheter based. The treatment choice depends on the patients age, the location of the coarctation and other associated anomalies. Recoartctaion after previous surgery is treated percutaneously with either balloon dilation and/or stenting.

References

External links

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Template:Link FA de:Aortenisthmusstenose it:Coartazione dell'aorta no:Koarktasjon av aorta nn:Koarktasjon sr:Коарктација аорте uk:Коарктація аорти


Template:WikiDoc Sources

  1. Quiros-Lopez R, Garcia-Alegria J (2007). "A medical mystery -- high blood pressure". N Engl J Med. 356 (25): 2630. PMID 17582073.