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  • Title: Comparative study of cerebral protection during surgery of thoracic aortic aneurysm.
    Author: Sueda T, Nomimura T, Kagawa T, Morita S, Hayashi S, Orihashi K, Shikata H, Ryuu G, Hamanaka Y, Matsuura Y.
    Journal: Hiroshima J Med Sci; 1992 Jun; 41(2):31-5. PubMed ID: 1286973.
    Abstract:
    During the past 5 years, 30 cases of thoracic aortic aneurysm were treated. Selective cerebral perfusion (SCP) and retrograde cerebral perfusion (RCP) were conducted for cerebral protection during aortic cross clamping. SCP was carried out in 5 cases of dissecting aneurysm (all Stanford type A, including a case of AAE) and 3 cases of arch aneurysm. RCP was conducted in 5 cases of dissecting aneurysm (4 Stanford type A, 1 Stanford type B with retrograde dissection) and 2 cases of aortic arch aneurysm. The mean cerebral perfusion time of SCP exceeded that of RCP (89 +/- 26 min in SCP versus 61 +/- 33 min in RCP p < 0.05). The hospital mortality rate was 38% (SCP) and 29% (RCP). Neurological complications were prolonged unconsciousness (1/8 in SCP, 1/7 in RCP) and transient paralysis (0/8 in SCP, 1/7 in RCP). Although the mechanism for the cerebral protective effect of RCP is unknown, this perfusion method is easy and safe, requiring little time for ascending and/or arch aortic reconstruction.
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