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  • Title: [Impact of multi-segmental aortic clamping and distal aortic perfusion on the prevention of postoperative paraplegia during thoracoabdominal aortic graft replacement].
    Author: Kuniyoshi Y, Koja K, Miyagi K, Shimoji M, Uezu T, Arakaki K, Yamashiro S, Mabuni K, Senaha E.
    Journal: Zentralbl Chir; 2002 Sep; 127(9):733-6. PubMed ID: 12221549.
    Abstract:
    OBJECTIVE: We present the impact of multisegmental aortic clamping under distal aortic perfusion and segmental artery reimplantation on the prevention of postoperative paraplegia during thoracoabdominal aortic graft replacement. PATIENTS: During the last 14 years in 47 patients (age range: 22 to 82 years; average: 57,9 +/- 13,2 years; 16 females and 31 males) with thoracoabdominal aortic aneurysm a graft replacement was performed with adjuncts of normothermic partial bypass and multisegmental aortic clamping. As many patent segmental arteries as possible were reimplanted. RESULTS: Five patients died during hospitalization, for an in-hospital mortality rate of 10,6 %. In the elective patients (n = 40), the hospital mortality rate was 7,5 %. The average number of segmental aortic clampings per patient was 2,83 +/- 1,19 times. In 39 patients (82,9 %), 117 segmental arteries were reimplanted or preserved by beveled anastomosis. Eighty-three out of 117 segmental arteries (70,9 %) were located between TH9 and L2. Postoperative paraplegia/paraparesis did not occur in any patient. CONCLUSION: In view of our results reimplantation of as many segmental arteries as possible under multisegmental aortic clamping with adequate distal aortic perfusion can be recommended for effective prevention of spinal cord ischemia in TAAA surgery.
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