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Related Concept Videos

Arteries of the Head and Neck01:26

Arteries of the Head and Neck

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The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
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Related Experiment Video

Updated: Nov 20, 2025

Induction and Micro-CT Imaging of Cerebral Cavernous Malformations in Mouse Model
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Aeromedical Implications of Cerebral Cavernomas.

Tania Jagathesan, Michael OBrien

    Aerospace Medicine and Human Performance
    |January 20, 2021
    PubMed
    Summary

    Cerebral cavernous malformations (CCMs) are increasingly found in pilots. The UK Civil Aviation Authority (CAA) proposes a policy for certifying aircrew with CCMs, considering risks like epilepsy and hemorrhage.

    Area of Science:

    • Neurology
    • Aerospace Medicine
    • Radiology

    Background:

    • Cavernomas, also known as cerebral cavernous malformations (CCMs), are vascular anomalies in the brain.
    • Increased use of imaging detects asymptomatic CCMs in aircrew.
    • Aeromedical concerns include epilepsy, hemorrhage, and neurological deficits.

    Purpose of the Study:

    • To describe the UK Civil Aviation Authority's (CAA) experience with aircrew diagnosed with cavernomas.
    • To evaluate aeromedical risks associated with cavernomas in pilots.
    • To propose a medical certification policy for aircrew with CCMs.

    Main Methods:

    • Searched the CAA database (1990-2020) for 'cavernoma' cases in aircrew.
    • Collected data on demographics, clinical presentation, and lesion characteristics.

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  • Conducted a PubMed literature review on CCM complications.

    • Main Results:

    • Six CCM cases reported to the CAA (five professional, one private pilot).
    • Two cases were symptomatic; four were asymptomatic.
    • Literature review extracted complication rates (seizure, hemorrhage) and risk factors.

    Conclusions:

    • A policy for medical certification of aircrew with CCMs is proposed.
    • The policy addresses both symptomatic and incidentally detected cases.
    • Risk assessment and management are crucial for air safety.