This study investigates outcomes after hemiarch repair in patients with chronic ascending aortic disease. The patients will be divided into two groups according to surgical approach: 100 patients will undergo hemiarch repair via full sternotomy (FS group) and 100 patients will receive hemiarch repair via J-shaped mini-sternotomy (MS group). Early and late outcomes will be recorded.
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Early mortality
Timeframe: during follow-up time - 60 months