Aortic Hemiarch Replacement
This video demonstrates an efficient method for aortic hemiarch replacement termed the seven-minute technique.
Elective aortic hemiarch replacement under hypothermic circulatory arrest is commonly performed for ascending aortic aneurysms with proximal aortic arch involvement. In general, the hypothermic circulatory arrest times in these cases are between eighteen and twenty minutes. With the seven-minute technique, the operation is simplified, and efficiency is maximized, which reduces steps and circulatory arrest times.
The following surgical examples involve two cases. The first patient is a seventy-one-year-old man with aortic root, ascending aortic, and proximal aortic arch aneurysms, as well as aortic and mitral regurgitation. The patient’s CTA showed aortic diameters of 5.2 cm for the root, 4.8 cm for the ascending aorta, and 4.1 cm for the proximal arch.
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