Evaluation of Acute Aortic Dissection Type a Factors and Comparison the Postoperative Clinical Outcomes between Two Surgical Methods

Shemirani, Hasan; Mirmohamadsadeghi, Amir; Mahaki, Behzad; Farhadi, Sadaf; Badalabadi, Reza Mohseni; Bidram, Peyman; Badalabadi, Mehdi Mohseni

Evaluation of Acute Aortic Dissection Type a Factors and Comparison the Postoperative Clinical Outcomes between Two Surgical Methods

Authors

¹ Department of Cardiology, Isfahan University of Medical Sciences, Isfahan, Iran

² Department of Biostatistics, School of Public Health, University of Medical Sciences, Isfahan, Iran

³ Department of Dermatology, Isfahan University of Medical Sciences, Isfahan, Iran

⁴ Department of Cardiology, Tehran University of Medical Sciences, Tehran, Iran

Abstract

Background: Although aortic dissection is a rare disease, it causes high level of mortality. If ascending aorta gets involved in this disease, it is known as type A. According to small number of studies about this disease in Iran, this study conducted to detect the factors related to acute aortic dissection type A, its surgery consequences and the factors affecting them. Materials and Methods: In this historical cohort study, all patients having acute aortic dissection type A referring to Chamran Hospital from 2006 to 2012 were studied. The impact of two surgical methods including antegrade cerebral perfusion (ACP) and retrograde cerebral one (RCP) on surgical and long-term mortality and recurrence of dissection was determined. The relation of mortality rate and hemodynamic instability before surgery, age more than 70 years old, ejection fraction lower than 50%, prolonged cardiopulmonary bypass pump (CPBP) time and excessive blood transfusion, was assessed. Results: Surgery and long-term mortality and recurrence of dissection were 35.3%, 30.8% and 30.4%. Surgical and long-term death in the patients being operated by ACP method was lower than those one being operated by RCP (P < 0.001). Excessive blood transfusion and unstable hemodynamic condition had significant effect on surgical mortality (P = 0.014, 0.030, respectively). CPBP time and unstable hemodynamic condition affected long-term mortality significantly (P = 0.002). Conclusion: The result found that ACP is the preferable kind of surgery in comparison with RCP according to the surgical and long-term mortality.

Keywords

References

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