Surgery for thoracoabdominal aorta actually began before the era of cardiopulmonary bypass. In the mid-1950s, Ellis et al., Etheredge et al., and DeBakey et al. opened a field of surgery for throacoabdominal aorta using allograft. In 1965, DeBakey reported their results as 26% mortality in 42 patients with thoracoabdominal aortic aneurysms who underwent the extra-anatomical reconstruction of th...