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[Electroencephalographic examinations following strangulation].

H Klepel, C Parnitzke

    Psychiatrie, Neurologie, Und Medizinische Psychologie
    |March 1, 1975
    PubMed
    Summary
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    Electroencephalogram (E.E.G.) monitoring after strangulation reveals initial severe alterations. However, most patients show normalization of brain activity within 48 hours, with persistent focal findings only in specific juvenile cases.

    Area of Science:

    • Neurology
    • Forensic Medicine
    • Clinical Neurophysiology

    Background:

    • Strangulation can cause significant brain injury.
    • Electroencephalography (E.E.G.) is crucial for assessing brain function after hypoxic events.

    Purpose of the Study:

    • To evaluate the electroencephalographic (E.E.G.) changes following strangulation.
    • To determine the time course of E.E.G. normalization and identify factors influencing recovery.

    Main Methods:

    • E.E.G. recordings were performed on 12 patients within 4 hours post-strangulation.
    • Serial E.E.G. recordings were conducted on 16 patients until normalization.

    Main Results:

    • Initial E.E.G. tracings showed severe generalized alterations, often flat.

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  • In 13 of 16 patients, basic E.E.G. activity normalized within 48 hours, though asymmetry was common.
  • Focal findings and asymmetry resolved within a year, except in juvenile patients with dementia.
  • Spike potentials and steep waves were observed in two patients with seizures.

    • Conclusions:

    • E.E.G. abnormalities after strangulation often show rapid, though sometimes asymmetric, normalization.
    • Persistent focal E.E.G. findings may indicate long-term neurological sequelae, particularly in younger individuals.
    • E.E.G. is a valuable tool for monitoring brain recovery after strangulation.