Correlation between Systolic Time Intervals and Roentgen Findings in Normal Subjects and Cardiopathic Patients

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  • FERRO Giuseppe
    Istituto di Patologia Speciale Medica e Metodologia Clinica 2 Facolta' di Medicina Chirurgia, Universita' di Napoli
  • CHIARIELLO Massimo
    Istituto di Patologia Speciale Medica e Metodologia Clinica 2 Facolta' di Medicina Chirurgia, Universita' di Napoli
  • TRIMARCO Bruno
    Istituto di Patologia Speciale Medica e Metodologia Clinica 2 Facolta' di Medicina Chirurgia, Universita' di Napoli
  • PERTICONE Franco
    Istituto di Patologia Speciale Medica e Metodologia Clinica 2 Facolta' di Medicina Chirurgia, Universita' di Napoli
  • LACCARINO Vittorio
    Istituto di Patologia Speciale Medica e Metodologia Clinica 2 Facolta' di Medicina Chirurgia, Universita' di Napoli
  • RICCIARDELLI Bruno
    Istituto di Patologia Speciale Medica e Metodologia Clinica 2 Facolta' di Medicina Chirurgia, Universita' di Napoli
  • RENGO Franco
    Istituto di Patologia Speciale Medica e Metodologia Clinica 2 Facolta' di Medicina Chirurgia, Universita' di Napoli

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  • Correlation between Systolic Time Inter

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This study was designed to evaluate the usefulness of non-invasive parameters in the follow-up of cardiopathic patients without valvular cardiac diseases.<br>In 49 patients suffering from heart disease we have studied the changes of radiologic cardiac measurements and systolic time intervals (STI) in the 4 functional classes of the NYHA classification, investigating also the existence of any relationship between these different parameters. Only the patients in the 3rd and the 4th functional classes showed significant changes in STI and radiologic measurements, as compared with the control group. Moreover, significant negative correlations have been observed between relative heart volume and LVET (r=0.69, P<0.001) and LVETc (r=0.82, P<0.001) and positive correlations between relative heart volume and PEP (r=0.59, P<0.01) and PEP/LVET ratio (r=0.75, P<0.001).<br>These results, while confirming the close correlation between STI and cardiac performance, seem to demonstrate that relative heart volumetry is a fairly accurate index of the cardiac conditions in non-valvular heart diseases.

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