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Clinical features and prognosis of patients with acute aortic dissection in China.
Journal of International Medical Research 2017 April
Objective To evaluate the clinical features, risk factors, and prognostic significance of different Stanford types of acute aortic dissection (AAD). Methods We retrospectively analyzed the clinical data and prognostic predictors in 105 patients with AAD (37 with Stanford type A and 68 with Stanford type B) at Tianjin Medical University General Hospital and Tianjin 4th Central Hospital from January 2014 to November 2015. Results Patients with Marfan syndrome and bicuspid aortic valve constituted 24.3% and 8.1%, respectively, of patients with type A AAD; these proportions were significantly higher than those of patients with type B AAD (7.4% and 0.0%, respectively). The proportion of iatrogenic causes of type A AAD (8.1%) was significantly higher than that of type B AAD (0.0%). Computed tomography angiography showed that the proportion of involvement of the aortic arch and pericardial effusion (86.5% and 18.9%, respectively) in patients with type A AAD were higher than those in patients with type B AAD (23.5% and 5.9%, respectively). Endovascular treatment was performed in a higher proportion of patients with type B than A AAD (70.6% vs. 5.4%, respectively). Conclusion Systolic blood pressure, pericardial effusion, periaortic hematoma, conservative treatment, and open surgery were independent predictors of increased mortality in patients with AAD.
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