作者: Felix Schneider , Volkmar Falk , Thomas Walther , Friedrich W. Mohr
DOI: 10.1016/S0003-4975(98)00041-1
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摘要: The technique of computer-aided transcranial Doppler echography for continuous control cerebral perfusion during minimally invasive mitral valve operations using the Port-Access system is described. Temporary displacement endoclamp in aortic arch (brachiocephalic trunk, left carotid artery) followed by embolic signals and a sudden decrease blood flow velocity middle arteries.