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Related Experiment Video

Updated: Jul 19, 2025

Author Spotlight: Advancing Spectral Characterization of Physiological and Malperfused Tissues
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Published on: July 5, 2024

493

Vasoplegia: A Review.

Iqbal Ratnani1, Rohan Kumar Ochani2, Asim Shaikh3

  • 1Methodist DeBakey Heart & Vascular Center, Houston Methodist, Houston, Texas, US.

Methodist Debakey Cardiovascular Journal
|August 7, 2023
PubMed
Summary
This summary is machine-generated.

Vasoplegia, a condition of uncontrolled vasodilation, requires prompt management. This review details vasopressor treatments and highlights the need for further research into effective vasoplegia therapies.

Keywords:
catecholaminesseptic shockvasodilatory shockvasoplegiavasopressors

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Area of Science:

  • Critical Care Medicine
  • Pharmacology
  • Cardiovascular Physiology

Background:

  • Vasoplegia is defined by low systemic vascular resistance and high cardiac index, leading to profound vasodilation.
  • It can arise from cardiac failure, sepsis, or post-cardiac surgery, with identified risk factors in cardiac patients.
  • Pathophysiology involves complex mechanisms including nitric oxide, adenosine, and the renin-angiotensin-aldosterone system.

Purpose of the Study:

  • To review the various vasopressor agents used in managing vasoplegia.
  • To emphasize the critical need for early identification and prompt treatment of vasoplegia to prevent shock.
  • To highlight the importance of ongoing research for advancing vasoplegia treatment strategies.

Main Methods:

  • Comprehensive literature review of vasoplegia pathophysiology and management.
  • Analysis of proposed etiological mechanisms, including vasoactive mediators.
  • Compilation and discussion of pharmacological agents employed in vasoplegia treatment.

Main Results:

  • Identified multiple risk factors contributing to vasoplegia in specific patient cohorts.
  • Detailed the roles of various signaling pathways (e.g., nitric oxide, hydrogen sulfide) in vasoplegia.
  • Cataloged a range of vasopressors, from catecholamines to adjunctive therapies like methylene blue and corticosteroids.

Conclusions:

  • Early recognition and intervention are paramount in managing vasoplegia to avert shock.
  • A diverse array of pharmacological agents, including catecholamines, vasopressin, and others, are utilized.
  • Further research is essential to refine and advance treatment protocols for vasoplegia.