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[Hemorrheological changes in ischemic heart disease].

S Forconi, M Guerrini, D Pieragalli

    La Ricerca in Clinica E in Laboratorio
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

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    Patients with ischemic cardiopathy exhibit significant hemorheological changes, including increased blood viscosity and reduced red blood cell deformability, particularly during acute myocardial ischemia. Localized hemorheological abnormalities in the myocardium suggest a syndrome dependent on tissue ischemia.

    Area of Science:

    • Cardiovascular Medicine
    • Hematology
    • Biophysics

    Context:

    • Ischemic cardiopathy presents unique hemorheological characteristics.
    • Previous studies indicate modifications in rheological parameters in patients with heart disease.
    • Hemorheological changes are more pronounced in acute myocardial ischemia.

    Purpose:

    • To investigate hemorheological alterations in ischemic cardiopathy.
    • To compare hemorheological parameters in systemic venous blood versus coronary sinus blood.
    • To assess the impact of atrial pacing on myocardial hemorheology.

    Summary:

    • Patients with ischemic cardiopathy show statistically significant increases in blood and plasma viscosity and decreased red blood cell deformability compared to healthy subjects.

    Related Experiment Videos

  • Acute ischemic events, like angina and myocardial infarction, exacerbate these hemorheological changes.
  • Coronary sinus blood reveals worse viscosity and red cell filtrability than systemic venous blood, with atrial pacing inducing significant hemorheological deterioration in positive pacing subjects, indicating local myocardial hyperviscosity linked to ischemia.

    • Impact:

    • Findings suggest a localized hyperviscosity syndrome in the myocardium, directly related to tissue ischemia.
    • This research deepens the understanding of the pathophysiology of ischemic heart disease.
    • Highlights the potential for hemorheological markers in diagnosing and managing ischemic cardiopathy.