Postoperative Aortic Neck Dilation: Myth or Fact?

A.S. Ribner; A.K. Tassiopoulos

doi:10.1055/s-0038-1649516

International Journal of Angiology, Table of Contents

Int J Angiol 2018; 27(02): 110-113
DOI: 10.1055/s-0038-1649516

Review Article

Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Postoperative Aortic Neck Dilation: Myth or Fact?

Authors

A.S. Ribner

¹Division of Vascular Surgery, Stony Brook University Hospital, Stony Brook, New York
A.K. Tassiopoulos

¹Division of Vascular Surgery, Stony Brook University Hospital, Stony Brook, New York

Abstract

The abdominal aorta is the most common site of an aortic aneurysm. The visceral and most proximal infrarenal segment (aneurysm neck) are usually spared and considered more resistant to aneurysmal degeneration. However, if an abdominal aortic aneurysm (AAA) is left untreated, the natural history of the aortic neck is progressive dilatation and shortening. This may have significant implications for patients undergoing endovascular repair of AAAs (EVAR) as endograft stability and integrity of the repair are dependent on an intact proximal seal zone. Compromised seal zones, caused by progressive diameter enlargement and foreshortening of the aortic neck, may lead to distal endograft migration, type Ia endoleak, aortic sac repressurization, and, ultimately, aortic rupture.

Keywords

endovascular repair - abdominal aortic aneurysm - aneurysm - aortic valve disease - endograft placement - repair - artery

Full Text

References

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