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Related Experiment Videos

Early structural changes in hypertension: pathophysiology and clinical consequences

B Folkow1

  • 1Department of Physiology, University of Göteborg, Sweden.

Journal of Cardiovascular Pharmacology
|January 1, 1993
PubMed
Summary

Hypertension causes long-term cardiovascular changes, including altered heart and vessel structure. Therapy should reverse these structural adaptations to normalize cardiovascular design and dimensions.

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Area of Science:

  • Cardiovascular Physiology
  • Hypertension Pathophysiology

Background:

  • Hypertension involves structural alterations in the heart and vasculature.
  • Primary hypertension has polygenetic, environmental, and structural etiological factors.
  • Early "structural upward resetting" affects cardiovascular hemodynamics.

Purpose of the Study:

  • To outline principles of early "structural upward resetting" in hypertension.
  • To discuss long-term hemodynamic effects of structural adaptations.
  • To establish therapeutic goals for reversing structural changes.

Main Methods:

  • Experimental illustration of physical and biological principles.
  • Discussion of hemodynamic effects on resistance vessels, heart, and barostat mechanisms.
  • Review of model studies in rats.

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Main Results:

  • Structural resetting of heart and vessels is a key long-term cardiovascular change in hypertension.
  • Altered geometry of systemic precapillary resistance vessels has significant hemodynamic relevance.
  • Adaptations affect systemic resistance, heart function, barostat mechanisms, and venous capacitance.

Conclusions:

  • The primary therapeutic goal is to reverse structural cardiovascular changes toward normal design.
  • Future treatments may focus on preventive measures.
  • Therapy should reduce cardiac load and the influence of trophic factors.