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Related Concept Videos

Regulation of Stroke Volume01:27

Regulation of Stroke Volume

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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
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Ischemic Heart Disease: Overview01:17

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Related Experiment Video

Updated: Dec 15, 2025

Isolation and Flow Cytometric Analysis of Immune Cells from the Ischemic Mouse Brain
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Beyond the Brain: The Systemic Pathophysiological Response to Acute Ischemic Stroke.

Maria H H Balch1,2, Shahid M Nimjee1, Cameron Rink1

  • 1Department of Neurological Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA.

Journal of Stroke
|July 9, 2020
PubMed
Summary

Acute ischemic stroke triggers widespread systemic effects beyond the brain, impacting multiple organ systems. Understanding these systemic impacts is crucial for developing comprehensive stroke treatments.

Keywords:
Disease progressionPathologic processesPhysiopathologyStrokeTranslational medical research

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Last Updated: Dec 15, 2025

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Area of Science:

  • Neuroscience
  • Immunology
  • Systemic Pathophysiology

Background:

  • Traditional stroke research focuses on cerebral injury mechanisms like excitotoxicity and inflammation.
  • Emerging evidence highlights significant systemic consequences of acute ischemic stroke.
  • These systemic effects contribute substantially to stroke-related morbidity and mortality.

Purpose of the Study:

  • To review the pathophysiological mechanisms linking ischemic brain injury to peripheral end-organ dysfunction.
  • To characterize acute ischemic stroke as a systemic disease.
  • To emphasize the need for research into brain-peripheral organ interactions.

Main Methods:

  • Pathophysiology-based review of existing literature.
  • Analysis of mechanisms causing end-organ dysfunction post-stroke.
  • Discussion of systemic effects including immunodepression and neuroendocrine pathway activation.

Main Results:

  • Ischemic stroke induces peripheral immunodepression and autonomic/neuroendocrine pathway hyperstimulation.
  • Dysfunction occurs across respiratory, urinary, cardiovascular, gastrointestinal, musculoskeletal, and endocrine systems.
  • End-organ abnormalities are key drivers of stroke complications.

Conclusions:

  • Acute ischemic stroke is a systemic disease with widespread end-organ consequences.
  • Bidirectional interactions between the brain and peripheral organs are critical.
  • Future research should focus on these systemic interactions for improved therapeutic strategies.