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Right-to-left shunt in CADASIL patients: prevalence and correlation with clinical and MRI findings

Enza Zicari, Rossana Tassi, Maria L Stromillo

    Stroke
    |May 3, 2008
    PubMed

    Insights

    A high prevalence of right-to-left shunt (RLS) was found in Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) patients. This RLS prevalence may link to Notch receptor roles in cardiovascular development.

    Area of Science:

    • Neurology
    • Genetics
    • Cardiovascular Science

    Background:

    • Investigated the prevalence of right-to-left shunt (RLS) in Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) patients.
    • Explored potential correlations between RLS, clinical presentation, and cerebral MRI lesion load in CADASIL.
    • Addressed a previously observed high prevalence of RLS within a CADASIL family.

    Discussion:

    • The study identified a significant prevalence of RLS (47%) in the studied CADASIL cohort.
    • No significant associations were found between RLS and clinical phenotypes or MRI-defined lesion volume.
    • The high RLS prevalence suggests a potential, yet unconfirmed, link to the Notch receptor family's role in cardiovascular development.

    Key Insights:

    • High prevalence of RLS (47%) observed in CADASIL patients.
    • No correlation identified between RLS and clinical or MRI findings in this cohort.
    • Potential link between RLS and Notch signaling in cardiovascular development warrants further investigation.

    Outlook:

    • Further research is needed to elucidate the precise relationship between RLS and CADASIL.
    • Investigating the role of Notch signaling in cardiovascular development may offer new therapeutic targets.
    • Exploring genetic and environmental factors contributing to RLS in CADASIL patients is crucial.
    Abstract

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