1.Emergency treatment of aortic dissection and clinical pathway discussion
Guangzhong XIONG ; Jinlong ZHAO ; Xiangping CHAI ; Zaimei PENG ; Dongshan ZHANG ; Changlong BI ; Xiao FAN ; Shuangfa QIU ; Zhibiao HE ; Hongliang ZHANG ; Yao RONG ; Tie WEN ; Xudong XIANG ; Chang SHU ; Xinming ZHOU
Chinese Journal of Emergency Medicine 2011;20(6):646-649
Objective To investigate the clinical features of aortic dissection (AD) and emergency treatments. Methods Data from 784 patients with aortic dissection were collected in the Department of Emergency from January 2000 through December 2009. A retrospective analysis was carried out to determine the survival rate, mortality rate and treatment efficiency. Results Pain was the most common onset symptom (77.7% , 609/784). The majority of patients (86.5%) had essential hypertension (678/784). All the patients with preoperative diagnosis of aortic dissection underwent emergency medical intervention by internists resulting in 81.5% survival rate (639/784) and 18.5% mortality rate (145/784). There were 157 patients without improvement (20.0% ) and the total efficiency rate was (83. 1% ). The efficiency rate of conventional treatment was 76.4% , while the efficiency rate of triple four-procedure treatment was 89. 8% (P<0.05). Of them, 139 patients (17. 7% ) died in the hospital. Among them,. 26 patients died within 24 hours (18.4% ) and 47 cases died within 48 hours (33. 8% ) and 66 patients died within 72 hours (47.2% ). There were 92 patients who refused treatments after diagnosis, and among them, 81 patients died within 72 hours (88.04% ). The difference in mortality rate between two groups was significant (P<0.05). Conclusions The diagnosis of aortic dissection depends on detailed history, physical examination and CT or MRI imaging. Analgesia, sedation and control of blood pressure are essential for emergency treatments. Early diagnosis and effective emergency treatments are the critical strategy for the early surgical intervention and time window for further treatment to improve the survival rate of AD.
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