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THE JOURNAL OF CARDIOVASCULAR SURGERY
Rivista di Chirurgia Cardiaca, Vascolare e Toracica
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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ORIGINAL ARTICLES VASCULAR SECTION
The Journal of Cardiovascular Surgery 2003 December;44(6):751-5
Clinical results of aortic arch replacement using a four branched prosthetic graft
Sakamoto S., Matsubara J., Nagayoshi Y., Nishizawa H., Takeuchi K., Nonaka T., Noguchi Y.
Department of Thoracic and Cardiovascular Surgery, Kanazawa Medical University, Ishikawa, Japan
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Aim. The aim of this study was to evaluate the operative techniques of total arch replacement, the clinical results and the survival curves of patients following this procedure.
Methods. Since December 2001, 92 patients have undergone surgical treatment for aortic dissection and aneurysm. The total aortic arch replacement was performed in 24 of these patients. There were 16 men and 8 women, and the age range was 42 to 81 years with a mean age of 59.4 years. As the operative technique for total arch replacement, we used the 4-branched prosthetic graft, selective cerebral perfusion (SCP), continuous cold blood cardioplegia (CCBC), and open distal anastomosis under circulatory arrest. The combined operations were coronary bypass grafting in 4 patients, aortic valve suspension in 1 patient and a Bentairs procedure in 1 patient. Eleven (73.3%) patients with acute dissection required emergency operation.
Results. The hospital mortality rate was 25% (6 of the 24 patients). The causes of death were multiple organ failure (MOF) due to renal and mesenteric ischemia in 3 patients, cerebral infarction in 2 patients, myonephropathic metabolic syndrome (MNMS) in 1 patient, respectively. The data concerning extracorporeal circulation was 204±53 min in total pump time, 136±43 min in aortic cross clamp time, 83±14 min in SCP time and 48±10 min in circulatory arrest time, respectively. The long-term result in actuarial survival rate was 76% for 5 years.
Conclusion. We consider the technique of total arch replacement using 4-branched prosthetic graft, SCP, CCBC, and open distal anastomosis is a useful operative method in patients with aortic aneurysm.