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The obstructive sleep apnoea syndrome: case studies.

T K Lim, W C Tan

    Annals of the Academy of Medicine, Singapore
    |July 1, 1985
    PubMed
    Summary
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    This study observed obstructive sleep apnea syndrome in six men, noting upper airway issues and cyclical breathing changes during sleep. Findings confirm classic obstructive sleep apnea features in an Oriental population.

    Area of Science:

    • Respiratory Medicine
    • Sleep Medicine
    • Cardiology

    Background:

    • Obstructive sleep apnea syndrome (OSAS) is a significant health concern.
    • Understanding OSAS in diverse populations is crucial for diagnosis and treatment.

    Purpose of the Study:

    • To document the characteristic upper airway abnormalities and sleep-related cardiorespiratory findings in patients with OSAS.
    • To describe the clinical presentation of OSAS in an Oriental population.

    Main Methods:

    • Case series involving six male patients diagnosed with OSAS.
    • Clinical evaluation including direct laryngoscopy and flow-volume loop recordings.
    • Polysomnography to assess cardiorespiratory function during sleep.

    Main Results:

    Related Experiment Videos

    • Patients exhibited varying degrees of upper airway obstruction, including enlarged tonsils and abnormal flow-volume loops.
    • Sleep studies revealed significant cyclical variations in heart rate and oxygen saturation.
    • Associated symptoms included loud snoring, cyclical hyperventilation, and hypoventilation.

    Conclusions:

    • The observed features are characteristic of obstructive sleep apnea syndrome.
    • This study highlights the classic presentation of OSAS within an Oriental demographic.