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Circulation. 2002;106:e74-e75
doi: 10.1161/01.CIR.0000035279.96669.28
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(Circulation. 2002;106:e74.)
© 2002 American Heart Association, Inc.


Images in Cardiovascular Medicine

Type A Aortic Dissection in a Patient With Congential Coarctation of the Aorta

Emergency Surgical Repair With an Extra-Anatomic Bypass

R. Bonvini, MD*; R. Wyttenbach, MD*; R. Ghisla, MD; G. Gargiulo, MD; A. Gallino, MD

From the Division of Cardiovascular Medicine, Ospedale San Giovanni, Bellinzona, Switzerland (R.B., R.W., A.G.); the Division of Peadiatric Cardiology, Ostschweizer Kinderspital, St Gallen, Switzerland (R.G.); and The Pediatric Cardiac Surgery Division, University of Bologna, Bologna, Italy (G.G.).

Correspondence to Prof Dr Augusto Gallino, Division of Cardiology, Ospedale San Giovanni, CH-6500 Bellinzona, Switzerland. E-mail agallino{at}bluewin.ch

Congenital coarctation of the aorta was diagnosed in a 3-year-old boy with a systolic murmur, a brachial pressure of 130/95 mm Hg, and an ankle pressure of 75 mm Hg. Diagnosis was confirmed by echocardiography, which also showed a bicuspid aortic valve.

The parents, despite the advice of several pediatric cardiologists and cardiac surgeons, had always refused surgical correction or percutaneous angioplasty. In 1994, at the age of 13, the boy suddenly suffered an acute type A aortic dissection originating 2 cm distal from the aortic annulus and ending at the upper aortic arch that was associated with moderate aortic regurgitation. This critical situation prompted emergency intervention according to the Cooley procedure, with substitution of the ascending aorta and an extra-anatomic bypass, that connected the ascending with the abdominal aorta proximal to the celiac arteries (Figure 1). Recovery was rapid without functional sequelae and with normalization of the pressure gradient.



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Figure 1. Original surgeon’s scheme of the operation. Type A dissection of the aortic coarctation originating 2 cm distally from the aortic annulus (left). Surgical correction with substitution of the ascending aorta using Allograft (Sorin Biomedica) 24-mm prosthesis (arrowhead) and extra-anatomic bypass using Hemashield (Meditech) 14-mm prosthesis (arrow) to connect the ascending with the abdominal aorta (right).

Despite optimal blood pressure control, a mild aortic valve insufficiency worsened, and a second cardiac intervention with aortic valve replacement was needed when the patient turned 18 years old. No early or late complications occurred after the extra-anatomic bypass (Movie). Late success is documented and highlighted by static and dynamic magnetic resonance angiography follow-up imaging that demonstrated normal patency and diameters of the grafts (Figure 2). Magnetic resonance imaging flow measurements in the extra-anatomic bypass and the native aorta are also documented (Figures 3 and 4).



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Figure 2. Three-dimensional contrast-enhanced magnetic resonance angiography with maximum intensity projections showing the extra-anatomic bypass (arrow), the native aorta with the congenital coarctation (arrowhead), and a marked dilated internal mammary artery (arrowheads).



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Figure 3. Magnetic resonance imaging (MRI) flow measured at the mid-portion of the extra-anatomic bypass that shows a normal flow pattern.



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Figure 4. MRI flow measured at the mid-portion of the native descending aorta that shows an inverted flow direction.

Footnotes

The Movie is available as an online-only Data Supplement at http://www.circulationaha.org.

*These authors contributed equally to the article. Back

The editor of Images in Cardiovascular Medicine is Hugh A. McAllister, Jr, MD, Chief, Department of Pathology, St Luke’s Episcopal Hospital and Texas Heart Institute, and Clinical Professor of Pathology, University of Texas Medical School and Baylor College of Medicine.

Circulation encourages readers to submit cardiovascular images to the Circulation Editorial Office, St Luke’s Episcopal Hospital/Texas Heart Institute, 6720 Bertner Ave, MC1-267, Houston, TX 77030.





This Article
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Right arrow Articles by Bonvini, R.
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PubMed
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Right arrow Articles by Bonvini, R.
Right arrow Articles by Gallino, A.
Related Collections
Right arrow CT and MRI
Right arrow CV surgery: aortic and vascular disease