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Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
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Diabetic Nephropathy

Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...
Kidney Transplant I: Introduction01:28

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A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...

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Related Experiment Video

Updated: May 17, 2026

Mouse Model of Alloimmune-induced Vascular Rejection and Transplant Arteriosclerosis
07:05

Mouse Model of Alloimmune-induced Vascular Rejection and Transplant Arteriosclerosis

Published on: May 17, 2015

Endothelial dysfunction and cardiac allograft vasculopathy.

Monica Colvin-Adams1, Nonyelum Harcourt, Daniel Duprez

  • 1Cardiovascular Division, University of Minnesota, Minneapolis, MN 55455, USA. Colvi005@umn.edu

Journal of Cardiovascular Translational Research
|November 9, 2012
PubMed
Summary

Cardiac allograft vasculopathy (CAV) is a major hurdle after heart transplants. Understanding early endothelial dysfunction is key to developing new screening and prevention strategies for this serious condition.

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Last Updated: May 17, 2026

Mouse Model of Alloimmune-induced Vascular Rejection and Transplant Arteriosclerosis
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Published on: May 17, 2015

Murine Cervical Aortic Transplantation Model using a Modified Non-Suture Cuff Technique
10:11

Murine Cervical Aortic Transplantation Model using a Modified Non-Suture Cuff Technique

Published on: November 2, 2019

Area of Science:

  • Cardiology
  • Immunology
  • Transplantation Medicine

Background:

  • Cardiac allograft vasculopathy (CAV) significantly limits long-term survival following heart transplantation.
  • Endothelial injury and dysfunction are early, common complications arising from immunologic and non-immunologic factors in heart transplant recipients.
  • Current management of CAV focuses on treating established disease, highlighting a need for earlier interventions.

Purpose of the Study:

  • To explore the mechanisms underlying endothelial dysfunction in heart transplant recipients.
  • To lay the groundwork for developing sensitive screening tools for early detection of CAV.
  • To identify potential targets for preventive therapies against CAV.

Main Methods:

  • This study reviews existing literature on immunologic and non-immunologic insults affecting the endothelium post-heart transplant.
  • Analysis of factors contributing to early endothelial dysfunction in the context of cardiac allografts.
  • Exploration of potential biomarkers and pathways involved in CAV development.

Main Results:

  • Multifactorial insults, both immunologic and non-immunologic, contribute to prevalent early endothelial injury and dysfunction.
  • This early endothelial dysfunction is a potential precursor to the development of overt cardiac allograft vasculopathy.
  • Understanding these mechanisms is crucial for advancing patient care.

Conclusions:

  • Early endothelial dysfunction is a critical precursor to cardiac allograft vasculopathy (CAV) after heart transplantation.
  • Further research into the mechanisms of endothelial dysfunction is essential for developing novel screening and preventive strategies.
  • Targeting early endothelial dysfunction offers a promising avenue for improving long-term outcomes in heart transplant recipients.