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[Functional reserves of blood circulation in aged patients]

G A Riabov, Iu S Seregin, Iu G Emtsov

    Khirurgiia
    |September 1, 1989
    PubMed

    Insights

    This study analyzed central hemodynamics in elderly patients, revealing a prevalent "hypovolemic" type. Careful assessment of circulation is crucial for older individuals, especially before surgery.

    Area of Science:

    • Cardiology
    • Geriatric Medicine
    • Hemodynamics

    Background:

    • Aging is associated with complex changes in cardiovascular function.
    • Assessing central hemodynamics (CH) in the elderly is critical for surgical risk stratification.
    • Previous studies have not fully elucidated the spectrum of hemodynamic profiles in this population.

    Purpose of the Study:

    • To investigate and classify central hemodynamic profiles in elderly patients.
    • To identify distinct hemodynamic types based on clinical presentation and pulmonary artery pressures.
    • To evaluate the utility of oxygen transport parameters in assessing circulatory reserves.

    Main Methods:

    • Utilized the Swan-Ganz catheter for invasive hemodynamic monitoring in 43 elderly patients (mean age 72.4 years).
    • Classified patients into hemodynamic types based on clinical picture, blood flow, and pulmonary artery jamming pressure.
    • Incorporated oxygen transport system parameters for supplementary data analysis.

    Main Results:

    • Identified several distinct hemodynamic types, with the "hypovolemic" variant being most prevalent (n=17).
    • Other identified types included eukinetic (n=8), hyperkinetic (n=7), and hypokinetic (n=2).
    • Patients with limited circulatory reserves were identified, necessitating preoperative management.

    Conclusions:

    • The elderly exhibit diverse central hemodynamic profiles, requiring a meticulous approach to assessment.
    • Preoperative identification and management of hemodynamic disorders are recommended for this age group.
    • A scrupulous evaluation of circulatory condition and reserves is essential in geriatric patients.

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