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  • Title: [Total arch replacement combined with stented elephant trunk implantation for Stanford type A aortic dissection].
    Author: Sun LZ, Liu ZG, Chang Q, Zhu JM, Dong C, Yu CT, Xiong H, Liu JP, Wang GY.
    Journal: Zhonghua Wai Ke Za Zhi; 2004 Jul 07; 42(13):812-6. PubMed ID: 15363303.
    Abstract:
    OBJECTIVE: To improve the long term outcomes of the surgery for Stanford type A aortic dissection, we performed ascending aorta and total aortic arch replacement combined with transaortic stented graft implantation into the descending aorta for acute and chronic type A aortic dissection. METHODS: From April 2003 to March 2004, 40 consecutive patients with acute or chronic Stanford type A aortic dissection underwent this procedure. Right axillary artery cannulation was routinely used for cardiopulmonary bypass and selected cerebral perfusion. The stented elephant trunk was implanted through the aortic arch under hypothermic circulatory arrest. The stented elephant trunk was a 10 cm long self expandable graft. Enhanced electric beam computed tomography (EBCT) was performed in each patient before discharge, three month after surgery, and once each year after discharge to evaluate the postoperative time course of the residual false lumen. RESULTS: Cardiopulmonary bypass time was (166 +/- 38) min, average cross clamp time was (107 +/- 28) min, and average selective cerebral perfusion and lower body arrest time was (30 +/- 15) min. The in-hospital mortality was 5% (2/40). One patient died of multi-organ failure postoperatively and another died of cerebral infarction 2 month after surgery. One suffered from spinal cord injury perioperatively. There was no late death during follow up. CONCLUSION: Ascending aorta and total aortic arch replacement combined with transaortic stented graft implantation into the descending aorta is an effective way in closing the residual false lumen of the descending aorta and might contribute to the better long term outcomes of type A aortic dissection. Our half mortality of 2 patients suffering acute renal failure suggests that this group may be candidates for medical or delayed surgical intervention. Conversely, our 5% mortality rate for those renal intact patients warrant aggressive and expeditious surgical treatment.
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