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[Increase in blood pressure due to continuous obstructive snoring].

J Mayer1, U Brandenburg, E Krzyzanek

  • 1Medizinische Poliklinik der Universität Marburg.

Pneumologie (Stuttgart, Germany)
|May 1, 1991
PubMed
Summary

Continuous obstructive snoring, even without apnoea, significantly elevates blood pressure during snoring phases. These breathing-related blood pressure increases may contribute to the high prevalence of arterial hypertension in habitual snorers.

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Area of Science:

  • Cardiovascular physiology
  • Sleep medicine
  • Respiratory disorders

Context:

  • Sleep-related breathing disorders, particularly obstructive sleep apnoea, are linked to cardiovascular strain and arterial hypertension.
  • Arterial hypertension is frequently observed in individuals who snore.

Purpose:

  • To investigate short-term, breathing-related blood pressure patterns and changes during snoring phases in patients with obstructive snoring.
  • To determine if continuous obstructive snoring, distinct from apnoeic events, causes significant blood pressure fluctuations.

Summary:

  • This study analyzed polysomnographic data and continuous blood pressure recordings from 4 male patients experiencing obstructive snoring.
  • Systolic blood pressure increased by 10.8 mmHg at the start and 17.5 mmHg at the end of snoring phases (P < 0.01).

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  • Diastolic blood pressure showed corresponding increases of 9.4 mmHg and 13.9 mmHg (P < 0.01), with overall increases from 140.3/69.7 mmHg to 170.0/93.1 mmHg during snoring.

    • Impact:

    • The findings demonstrate that blood pressure rises occur during continuous obstructive snoring, not solely during apnoeic events.
    • These transient blood pressure elevations are suspected to be a contributing factor to the high incidence of arterial hypertension in individuals who habitually snore.