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Circadian blood pressure pattern and cardiac autonomic functions: different aspects of same pathophysiology

Sercan Okutucu1, Uğur Nadir Karakulak, Giray Kabakçı

  • 1Department of Cardiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey. sercanokutucu@yahoo.com

Anadolu Kardiyoloji Dergisi : AKD = the Anatolian Journal of Cardiology
|February 10, 2011
PubMed

Insights

Non-dipping of blood pressure, the absence of a normal nighttime drop, is linked to autonomic nervous system dysfunction. This review explores the connection between circadian blood pressure patterns and cardiac autonomic function in non-dippers.

Area of Science:

  • Cardiology
  • Physiology
  • Hypertension Research

Background:

  • Arterial blood pressure exhibits a circadian rhythm, typically dipping at night.
  • Non-dipping, the absence of this nocturnal decline, is linked to heightened cardiovascular risk, particularly in hypertensive individuals.
  • The underlying mechanisms of non-dipping are not fully understood but may involve autonomic nervous system imbalances.

Purpose of the Study:

  • To review existing literature on the relationship between circadian blood pressure patterns and cardiac autonomic function.
  • To explore the role of autonomic dysfunction in the non-dipping phenomenon.

Main Methods:

  • Literature review of studies investigating circadian blood pressure and autonomic function.
  • Analysis of research examining parasympathetic and sympathetic activity in non-dippers.

Main Results:

  • Non-dipping is associated with impaired autonomic nervous system function.
  • Evidence suggests abnormal sympathetic and parasympathetic activity in individuals who do not exhibit nocturnal blood pressure dipping.

Conclusions:

  • Autonomic nervous system dysfunction is a potential contributor to the non-dipping phenomenon.
  • Understanding this relationship is crucial for managing cardiovascular risk in hypertensive patients.

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