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Fundus Photography as a Convenient Tool to Study Microvascular Responses to Cardiovascular Disease Risk Factors in Epidemiological Studies
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Hypertension and microvascular remodelling.

François Feihl1, Lucas Liaudet, Bernard I Levy

  • 1Division de Physiopathologie Clinique, Département de Médecine, Centre Hospitalier Universitaire Vaudois and Université de Lausanne, Rue du Bugnon 46, BH10-701, CH-1011 Lausanne, Switzerland. francois.feihl@chuv.ch

Cardiovascular Research
|February 6, 2008
PubMed
Summary

Microvascular remodeling, changes in resistance vessels, contributes to high blood pressure. This review details its mechanisms, impact of treatments, and role in cardiovascular risk and hypertension.

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Area of Science:

  • Cardiovascular Physiology
  • Hypertension Research
  • Vascular Biology

Background:

  • Microvascular remodeling involves structural changes in resistance vessels, increasing systemic vascular resistance.
  • Historical contributions, including Folkow's work, and biomechanical concepts are foundational.
  • Definitions of inward eutrophic and inward hypertrophic remodeling are crucial.

Observation:

  • Evidence for microvascular remodeling in hypertension is stronger in human studies than animal models.
  • Subcutaneous resistance arteries show remodeling that independently predicts cardiovascular risk in hypertensive patients.
  • Antihypertensive drug treatments can impact vascular remodeling.

Findings:

  • Hypertension is associated with structural alterations in resistance vessels.
  • Remodeling of resistance arteries is a significant predictor of cardiovascular events.
  • Mechanisms driving microvascular remodeling require further elucidation.

Implications:

  • Understanding microvascular remodeling is key to managing hypertension and its complications.
  • Targeting vascular remodeling may offer new therapeutic strategies.
  • Further research into end-organ damage and hypertension perpetuation is warranted.