• T Sunazawa, Y Takahara, and Y Sudo.
• Division of Cardiovascular Surgery, Funabashi Municipal Medical Center, Chiba, Japan.
• Jpn. J. Thorac. Cardiovasc. Surg. 1998 Oct 1; 46 (10): 1004-8.

AbstractThe incidence of lower extremity ischemia secondary to acute aortic dissection is relatively low, however, the presenting symptoms are variable in term of severity. We report here in two cases of such circumstances who were successively differently treated. Case one was a 60 years old male presented with severe left leg pain. Even after the initiation of cardiopulmonary bypass, the leg ischemia did not improve, therefore selective leg perfusion was additionally performed through direct left femoral artery cannulation. The surgery toward dissection was completed by mean of simultaneous graft replacement of ascending aorta and aortic arch. The leg ischemia after the aortic procedure however had persisted, femorofemoral bypass was created to relieve the mal-perfusion. Case two was a 37 years old male admitted with severe left leg pain associated with sensory-motor nerve dysfunction with muscle rigidity. In this particular patient, femoro-femoral bypass was firstly reconstructed as the mean of leg salvage procedure. After we learned there was no serious reperfusion symptom manifested, we performed radical surgery toward the aorta. We believe that the decision making of surgical treatment for acute type A dissection complicated with the presence of lower extremity ischemia is based on the severeness of mal-perfusion.

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