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  • Title: [A case report on graft replacement of ruptured aneurysm of the arch and the descending thoracic aorta associated with dense pulmonary adhesion].
    Author: Hirai M, Hashimoto A, Aomi S, Nakano H, Yamaki G, Ohtsuka G, Kodera K, Satoh M, Kihara S, Sodenaga Y, Akazawa T, Hoyanagi H.
    Journal: Kyobu Geka; 1996 May; 49(5):367-71. PubMed ID: 8992038.
    Abstract:
    A 73-year-old patient had been followed for aortic arch aneurysm of 54 mm in diameter. He was hospitalized complaining of chest and back pain. A chest CT scan showed ruptured aortic arch aneurysm extending to mid-descending thoracic aorta, and an emergent operation was decided. The trachea was intubated with a univent tube providing a movable blocker (System Corporation) which was directed to the left bronchus for differential lung ventilation. The descending thoracic aorta was exposed through the left 4th intercostal thoracotomy just at the site intending to anastomose a prosthetic graft because of dense pulmonary adhesion. The ascending and arch aorta was approached via median sternotomy. Under deep hypothermia and retrograde cerebral perfusion, total arch and descending aortic replacement was performed using an arch graft providing four branch grafts for neck vessels reconstruction and pump perfusion. The patient showed moderate pulmonary bleeding during and after cardiopulmonary bypass, but improved gradually. He was weaned from the respirator on the 13th post-operative day. During extensive thoracic aortic surgery using left thoracotomy combined with median sternotomy, left lung deflation using a univent tracheal tube with a blocker, and circulatory arrest during distal aortic anastomosis, are useful in preventing lethal pulmonary bleeding caused by lung injury under the fully heparinized condition. However, in cases associated with dense pulmonary adhesion, it is important to dissect carefully just a small area necessary to anastomose a graft, and to take elaborate assistant measures.
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