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Ann Thorac Surg 2003;76:1485-1489
© 2003 The Society of Thoracic Surgeons

Original article: cardiovascular

Total aortic arch grafting via median sternotomy using integrated antegrade cerebral perfusion

Yoshiharu Takahara, MDa*, Kenji Mogi, MDa, Manabu Sakurai, MDa, Hirohumi Nishida, MDa

a Division of Cardiovascular Surgery, Funabashi Municipal Medical Center, Chiba, Japan

Accepted for publication April 18, 2003.

* Address reprint requests to Dr Takahara, Division of Cardiovascular Surgery, Funabashi Municipal Medical Center, 1-21-1 Kanasugi Funabashi, Chiba, 273-8588 Japan.
e-mail: yosh193{at}attglobal.net

Abstract

BACKGROUND: In aortic arch grafting, antegrade cerebral perfusion prolongs the safe time of arch exclusion. However, there are the problems of cerebral embolism and distribution of the cerebral perfusion. We describe and analyze mortality and cerebral complications in patients undergoing total arch grafting using our refined technique.

METHODS: Between June 1994 and March 2002, 100 consecutive patients underwent total arch grafting through median sternotomy. There were 49 atherosclerotic aneurysms and 51 aortic dissections. Fifty-four patients were operated on an emergency basis because of rupture or acute type A dissection. We conducted total arch grafting using hypothermic antegrade cerebral perfusion from every cervical vessel. Carbon dioxide gas was added to the cerebral perfusion in order to inhibit the increase in the cerebral vascular resistance during hypothermic cerebral perfusion.

RESULTS: Hospital mortality was 4%. The causes of death were dysarrhythmia (n = 1), mesenteric necrosis (n = 1), and preoperative cardiac arrest (n = 2). On univariate analysis, preoperative shock and concomitant cardiac procedures were risk factors for hospital death. The rate of postoperative neurologic damage was 5%. Two patients suffered from cerebral infarction. Temporary neurologic dysfunction occurred in 3 patients. On univariate analysis, emergency surgery was a risk factor for postoperative neurologic damage. On multivariate analysis, there was no significant independent predictor of hospital mortality and neurologic damage. Actuarial survival at 96 months was 66.4 ± 9.1%, and freedom from aortic accidents (reoperation, rupture, and cholesterol embolism) was 74.9 ± 7.9%.

CONCLUSIONS: The early- and long-term results of total arch grafting using integrated antegrade cerebral perfusion were found to be satisfactory.


Related Article

Invited commentary
Wayne E. Richenbacher
Ann. Thorac. Surg. 2003 76: 1489. [Extract] [Full Text] [PDF]





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