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find Keyword "Cold reperfusion" 1 results
  • Management of Temperature in Total Aortic Arch Replacement

    Objective To compare the outcome of patients with the strategy of conventional and steady cooling & rewarming and cold reperfusion , who suffered from DeBakey type Ⅰ aortic dissection or aortic arch aneurysm and underwent the total aortic arch replacement. Methods Thirty-two patients who underwent total arch replacement were randomly allocated to one of two strategies of temperature management in cardiopulmonary bypass (CPB), conventional group (group C, 16 cases) and steady cooling &. rewarming and cold reperfusion group (group S, 16 cases). The jugular bulb venous oxygenation saturation (SjvO2), jugular bulb venous oxygen tension (PivO2) and jugular bulb venous blood temperature (JVBT) were tested or monitored during the operation. Preoperative and postoperative neurological examinations and brain computerized tomography scan were performed. Results All patients survived the operations and were discharged from hospital. No new brain infarction occurred. Transient neurologic dysfunction occurred in 2 patients of the group S and 3 patients of the groupC. The “cooling & rewarming blanket-impress puple” occurred in 4 cases of the group C. The SjvO2, PjvO2, lowest nasopharyngeal temperature and the post operative nasopharyngeal temperature of the patients in group S were significantly higher than those of the patients in group C (SjvO2 0.85±0. 11 vs. 0. 74±0.23, PjvO2 36. 9± 15.6mmHg vs. 24.5±7.7mmHg, P( 0.01 ). While the highest brain temperature, wake time and ICU stay in group S were remarkably lower than those in group C (P 〈0. 01,0. 05). Conclusion With less postbypass afterdrop and satisfactory clinical outcome, the strategy of steady cooling & rewarming and cold reperfusion can effectively avoid brain hyperthermia and mismatch of cerebral blood flow metabolism in the surgery of total aortic arch replacement.

    Release date:2016-08-30 06:26 Export PDF Favorites Scan
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