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find Author "LINZhao-ming" 1 results
  • Modified Total Arch Replacement for 38 Patients with Stanford A aortic dissection

    ObjectiveTo achieve a better early clinical result by modifying the total arch replacement and optimi-zing the procedure of operation. MethodWe retrospectively analyzed the clinical data of 38 patients patients with stanford a aortic dissection underwent the modifed total arch replacement in our hospital from September to December 2014. There were 26 males and 12 females with a mean age of 52.5 years ranging from 21-76 years. Three artery conduits were adopted during the surgical procedure. Right axillary artery and femoral artery cannulation were performed for cardiopulmonary bypass. The artificial graft and the left common carotid artery was anastomosed to provide simultaneous perfusion. Low rate bilateral brain perfusion began when circulation arrested at 26℃. Reperfusion restoration was obtained after the four-branch vascular graft anastomosed to the stent and aortic wall and completed the implantation of the elephant trunk. Then the aortic root and the vascular graft anastomosis were performed to reconstruct the ascending aorta. At last, the left subclavian artery and innominate artery were anastomosed to the branch of the vascular graft under the beating heart. ResultAll 38 operations were successful. The mean hypothermic circulatory time of the whole group was 18.8±4.2 min, the time of ascending aorta blocking was 86.1±14.2 min, the time of cardiopulmonary bypass was 178.4±71.4 min, the time of postoperative awakening was 4.7±2.0 h, the time of assisted mechanical ventilator was 38.7±19.9 h. One patient died because of multiple organ dysfunction syndrome (MODS), 3 patients accepted the hemodialysis, 6 patients suffered from transient neurological dysfunction, 1 patient suffered from paraparesis. There was no further complication during the follow-up of 1-3 months. ConclusionThe modified total aortic arch replacement can shorten the circulatory arrest time, cardiac arrest time and cardiopulmonary time, provide effective organ perfusion, and reduce the neurological complication and visceral damage.

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