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Surgical Outcome of Subtypes of Aortic Arch Dissection

Kaan Kirali, MD, Hasan Ardal, MD, Vedat Erentu, MD, Denyan Mansurolu, MD, Nilgün U Bozbua, MD, Cevat Yakut, MD

Department of Cardiovascular Surgery, Kauyolu Heart and Research Hospital, Istanbul, Turkey

For reprint information contact: Kaan Kirali, MD Tel: 90 216 326 6969 Fax: 90 216 339 0441 Email: imkkirali{at}yahoo.com Department of Cardiovascular Surgery, Kouyolu Heart and Research Hospital, Kadiköy, Istanbul 81020, Turkey.

This study was conducted to investigate if the site of primary intimal tear involving the aortic arch and the surgical approach affect the early and late results of total aortic arch replacement. Between 1993 and November 2001, 42 patients underwent graft replacement of the total aortic arch for aortic dissection. Their mean age was 51.9 ± 9.8 years, and 38 of them were male. All operations were performed under hypothermic circulatory arrest with retrograde cerebral perfusion. Hospital mortality was 28.6% (12 patients). There were 2 late deaths. Multivariate analysis showed that chronic obstructive pulmonary disease and ascending aortic replacement with or without valve replacement were significant independent determinants of early death. Patients with the intimal tear originating in the ascending aorta showed a tendency towards lower 7-year survival rates than those with a tear at other aortic sites or with multiple tears, while the presence of chronic obstructive pulmonary disease adversely affected early and late outcomes. We conclude that the primary site of an intimal tear that involves the aortic arch affects early and late survival, but concomitant non-cardiac diseases play an even more important role in the early outcome as they increase the complexity of the operation.