[Myocardial contraction in ischemic heart disease]

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Updated: Aug 11, 2026

Contractility Measurements on Isolated Papillary Muscles for the Investigation of Cardiac Inotropy in Mice
06:22

Contractility Measurements on Isolated Papillary Muscles for the Investigation of Cardiac Inotropy in Mice

Published on: September 17, 2015

L S Matveeva, I A Kats, V P Mazaev

    Kardiologiia
    |August 1, 1977
    PubMed

    Insights

    Post-infarction cardiosclerosis significantly impairs left ventricular contractility in ischemic heart disease patients. This condition is the primary cause of reduced myocardial function, affecting 56% of cases.

    Area of Science:

    • Cardiology
    • Cardiovascular Physiology

    Context:

    • Ischemic heart disease (IHD) affects myocardial contractility.
    • Assessing left ventricular function is crucial for IHD management.

    Purpose:

    • To investigate left ventricular myocardial contractility indices in 84 IHD patients.
    • To correlate contractility changes with coronary artery disease extent and disease progression.

    Summary:

    • Post-infarction cardiosclerosis was the main cause of impaired myocardial contractility (56% of cases).
    • Patients with post-infarction cardiosclerosis showed coronary artery changes twice as frequently as those with angina pectoris without infarction.
    • Impaired left ventricular functional capacity manifested as segmental asynergy in 20-25% of the circumference; 13% of angina pectoris patients exhibited contractility changes.

    Impact:

    • Highlights post-infarction cardiosclerosis as a key factor in IHD-related cardiac dysfunction.
    • Provides insights into the relationship between coronary artery disease severity and left ventricular performance.
    • Informs clinical assessment and management strategies for patients with ischemic heart disease.

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