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Updated: Aug 11, 2026

Functional Transcranial Doppler Ultrasound for Monitoring Cerebral Blood Flow
09:41

Functional Transcranial Doppler Ultrasound for Monitoring Cerebral Blood Flow

Published on: March 15, 2021

[Changes in the cerebral circulation in persons with acquired heart defects]

A A Mikhaĭlenko, A N Kuznetsov

    Zhurnal Nevrologii I Psikhiatrii Imeni S.S. Korsakova
    |January 1, 1997
    PubMed

    Insights

    Cerebral circulation in patients with acquired heart valve diseases is primarily affected by impaired venous outflow from congestive heart failure. This study investigated these circulatory changes using advanced diagnostic methods.

    Area of Science:

    • Neurology
    • Cardiology
    • Medical Imaging

    Context:

    • Acquired heart valve diseases (AHVD) can significantly impact systemic circulation.
    • Understanding cerebral blood flow alterations is crucial for managing patients with AHVD.
    • The study included 57 patients with diverse types, etiologies, and severities of AHVD.

    Purpose:

    • To comprehensively estimate the state of cerebral circulation in patients with AHVD.
    • To identify the primary causes of cerebral circulation disturbances in this patient group.
    • To explore the influence of other contributing factors on cerebral hemodynamics.

    Summary:

    • Cerebral circulation was assessed in 57 AHVD patients using Doppler sonography, rheoencephalography, and quantitative electroencephalography.
    • Findings indicate that disturbed venous outflow, secondary to congestive heart failure, is the main cause of cerebral circulation alterations.
    • The study also outlines other factors influencing cerebral hemodynamics in AHVD.

    Impact:

    • Provides insights into the neurological complications associated with AHVD.
    • Highlights the importance of managing congestive heart failure to improve cerebral blood flow.
    • Informs clinical practice regarding the assessment and treatment of cerebral circulation issues in cardiac patients.

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