• Peter Matt, Franziska Albrecht, Florian Rueter, Martin Grapow, Hans Pargger, Jens Fassl, Oliver Reuthebuch, and Friedrich Eckstein.
• Division of Cardiac Surgery, University Hospital, Basel, Switzerland.
• Thorac Cardiovasc Surg. 2013 Oct 1;61(7):553-8; discussion 558.

BackgroundWe hypothesized that hypothermic circulatory arrest (HCA) can be performed with a low operative risk and does not add to the morbidity in elective procedures.MethodsA total of 178 patients with a mean (± SD) age of 62 (± 10) years underwent HCA for elective aortic surgery from April 2008 to September 2011. Pre- and postoperative clinical data were collected prospectively.ResultsHemiarch replacement was performed in 97% patients. Mean logistic Euroscore I was 17% (± 15). HCA was performed at 26°C bilateral tympanic temperature. Mean HCA duration was 17 (±) min. Mean cross-clamp time was 106 (± 39) min. Overall 30-day mortality was 2% and stroke occurred in 4% of patients. Overall 6-month survival was 96%. Cox regression analysis for 6-month survival revealed four variables with significant influence: the logistic Euroscore I (p = 0.008), age (p = 0.04), cross-clamp time (p = 0.008), and reoperation for bleeding complications (p = 0.04).ConclusionsHCA with open distal anastomosis for elective aortic repair can be performed with low operative mortality, even in the elderly, and seems not to add to the morbidity of the procedure.Georg Thieme Verlag KG Stuttgart · New York.

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