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[Vasomotor tone and CBP : monitoring components, pratical and therapeutic approaches]

C Isetta1, N Janot

  • 1Anesthésie Réanimation, IDE Perfusionniste Unité de Circulation Extra Corporelle, Chirurgie Cardio-vasculaire et Thoracique, CHU Pierre Zobda-Quitman, La Meynard, 97200 Fort de France. christian.isetta@chu-fortdefrance.fr

Annales Francaises D'Anesthesie Et De Reanimation
|June 23, 2012
PubMed

Insights

Vasomotor tone significantly impacts blood pressure and tissue oxygenation. Understanding vasoplegia and monitoring extracorporeal circulation are crucial for maintaining adequate oxygen delivery.

Area of Science:

  • Physiology
  • Cardiovascular Science

Context:

  • Vasomotor tone is a key factor in regulating blood pressure and vascular resistance.
  • Vascular tone is influenced by the sympathetic nervous system, patient pathology, and anesthesia.
  • Mean arterial pressure decreases with reduced vasomotor tone, potentially causing vasoplegia.

Purpose:

  • To review monitoring parameters during extracorporeal circulation.
  • To highlight the consequences of vasoplegia and ensure adequate tissue oxygenation.

Summary:

  • Vasoplegia, characterized by low arterial vascular resistance, impairs tissue oxygenation.
  • Causes include patient medications and inflammatory reactions during extracorporeal circulation.
  • Effective monitoring of extracorporeal circulation parameters is essential.

Impact:

  • Provides insights into managing vasoplegia during extracorporeal circulation.
  • Guides the use of vasopressors, blood viscosity modifiers, and hypothermia for adequate tissue oxygenation.
  • Enhances understanding of critical care monitoring for cardiovascular stability.

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