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Ann Thorac Surg 2006;81:1358-1364
© 2006 The Society of Thoracic Surgeons

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Original article: Cardiovascular

Aortic Arch Surgery: Thoracoabdominal Perfusion During Antegrade Cerebral Perfusion May Reduce Postoperative Morbidity

^a Department of Cardiothoracic and Respiratory Sciences, Second University of Naples, Naples, Italy
^b Department of Cardiovascular Surgery and Transplant, V Monaldi Hospital, Naples, Italy

Accepted for publication November 29, 2005.

^_* Address correspondence to Dr Della Corte, Via A. Modigliani 64, 81031, Aversa CE, Italy (Email: aledellacorte{at}libero.it).

Background: This study aimed to assess the results of the introduction of thoracoabdominal perfusion (TAP) in the surgical strategy for aortic arch replacement with cerebral protection.

Methods: Two hundred two arch procedures performed with moderate hypothermia (22° to 26°C) and antegrade cerebral perfusion (ACP) were the objects of retrospective investigation. Acute type A dissection was the indication in 164 patients, aortic aneurysm in 38. In 80 patients, during ACP, the thoracoabdominal aorta was perfused either in an antegrade fashion through proximal descending aorta endoluminal cannulation (in 62 dissections), or retrograde through femoral artery cannulation with proximal descending aorta endoluminal occlusion (in 18 aneurysms). Hospital mortality and morbidity rates were compared between the two treatments (group A: ACP only, 122 patients; group B: ACP plus TAP, 80 patients) and the underlying aortic disease (dissection/aneurysm) was stratified.

Results: Cerebral perfusion (p = 0.008) and cardiopulmonary bypass times (p = 0.035) were significantly longer in group B. No complication related to the TAP technique was observed in group B. Overall hospital mortality was 12.9%, without significant difference between groups. No differences were found in terms of permanent neurological dysfunction between groups A (9.3%) and B (9.1%; p = 0.58). Group B patients showed lower rates of respiratory failure (18.2% versus 30.5% in group A; p = 0.038), shorter mechanical ventilation times (18.1 ± 26 hours versus 57.9 ± 70.1; p< 0.001) and lower incidence of acute renal failure (6.5% versus 18.6%; p = 0.012). Shorter intensive care and hospital stays were observed in group B (p = 0.02).

Conclusions: The adjunction of TAP to ACP was associated with lower rates of end-organ complications, even in more extensive and time-consuming procedures.

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