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  • Title: [Polygraphical observations on patient carriers of Lillehei-Kaster disc prosthesis (author's transl)].
    Journal: G Ital Cardiol; 1975; 5(6):968-70. PubMed ID: 1222893.
    Abstract:
    Polygraphical tracings of 34 carriers with mitral prosthesis and 11 with aortic prosthesis were studied. The most significant observations were: 1) that it is not possible to record the mitralic click of the opening constantly, and that the correlation between the width of mitralic clicks is inferior to that which can be observed in the other types of artificial valve; the time of isovolumetric contraction was likewise inferior; 2) that the correlation between the width of the two aortic clicks is inferior to that observed in the other types of aortic valve; the time of expulsion from the left ventricle is longer, probably in connection with the fact that the moment of recording, the patients had not yet achieved a normal functional capacity.
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