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Chronotherapy for coronary heart disease

K Tamura1, M Okutani, I Kohno

  • 1Second Department of Medicine, Yamanashi Medical University, Japan.

Japanese Heart Journal
|February 14, 1998
PubMed

Insights

Coronary heart disease events cluster by time of day. Addressing this "when-to" problem by understanding biologic time, not clock time, offers new therapeutic strategies for cardiovascular events.

Area of Science:

  • Cardiology
  • Chronobiology
  • Internal Medicine

Background:

  • Traditional coronary heart disease (CHD) therapy focuses on treatment methods.
  • Cardiovascular events exhibit significant temporal clustering, suggesting a role for biologic timing.
  • Understanding the
  • when-to
  • aspect of CHD is crucial for timely intervention.

Purpose of the Study:

  • To address the
  • when-to
  • problem in coronary heart disease by investigating circadian variabilities.
  • To propose a concept of biologic zero hours for accurate assessment of circadian rhythms.
  • To recommend daily healthcare practices and chronotherapy for managing coronary risk factors.

Main Methods:

  • Discussion of circadian variabilities in biology based on proposed biologic zero hours.
  • Recommendation of daily healthcare practices aligned with circadian order for preventing acute coronary risk factors.
  • Exploration of chronotherapy for chronic risk factors like hypertension, emphasizing individualized treatment.

Main Results:

  • Circadian variabilities in CHD are linked to biologic time, necessitating a shift from mechanical clock-based assessments.
  • A concept of biologic zero hours is introduced to better evaluate biological rhythms.
  • Chronotherapy for hypertension involves customizing anti-hypertensive treatment based on individual blood pressure circadian variability.

Conclusions:

  • Shifting focus from
  • how-to
  • to
  • when-to
  • in CHD therapy is essential.
  • Biologic time, assessed via biologic zero hours, is key to understanding and managing cardiovascular events.
  • Personalized chronotherapy, considering individual circadian blood pressure patterns, is vital for effective hypertension management.

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