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A Porcine Heterotopic Heart Transplantation Protocol for Delivery of Therapeutics to a Cardiac Allograft
Published on: February 14, 2022
Cardiac allograft vasculopathy after heart transplantation: current prevention and treatment strategies
M Spartalis1, E Spartalis, E Tzatzaki
1Division of Cardiology, Onassis Cardiac Surgery Center, Athens, Greece. msparta@med.uoa.gr.
Insights
Cardiac allograft vasculopathy (CAV) is a major cause of death after heart transplants. Early detection and prevention strategies are crucial for managing CAV, with ongoing research into its complex causes and treatments.
Area of Science:
- Cardiology
- Transplantation Immunology
- Vascular Biology
Background:
- Cardiac allograft vasculopathy (CAV) is a primary cause of mortality in heart transplant recipients.
- Despite current immunosuppression protocols, CAV incidence remains high, necessitating improved management strategies.
Purpose of the Study:
- To review recent studies and experimental evidence on prevention and treatment strategies for CAV post-heart transplantation.
- To consolidate current knowledge on CAV pathogenesis, detection, and therapeutic interventions.
Main Methods:
- Comprehensive literature survey utilizing the PubMed database.
- Analysis of studies focusing on non-immune and immune factors contributing to CAV.
- Evaluation of diagnostic methods and emerging treatment modalities.
Main Results:
- Identified non-immune factors (ischemic reperfusion injury, metabolic disorders) and immune factors (CMV infection, endothelial dysfunction, inflammation) linked to CAV.
- Serial coronary angiography with intravascular ultrasound is the gold standard for early CAV detection.
- Biomarkers and noninvasive imaging aid in early CAV identification; mTOR inhibitors show therapeutic promise, but prevention is paramount.
Conclusions:
- Early detection and diagnosis are critical for effective CAV management and patient outcomes.
- Further research is essential to understand CAV's multifactorial pathophysiology.
- Development of novel detection methods and preventative or disease-slowing treatments is a priority.
Objective:
Cardiac allograft vasculopathy (CAV) is a leading cause of mortality in heart transplantation patients. Despite optimal immunosuppression therapy, the rate of CAV post-transplantation remains high. In this review, we gathered all recent studies as well as experimental evidence focusing on the prevention and treatment strategies regarding CAV after heart transplantation.
Materials And Methods:
A complete literature survey was performed using the PubMed database search to gather available information regarding prevention and treatment strategies of CAV after heart transplantation.
Results:
Several non-immune and immune factors have been linked to CAV such as ischemic reperfusion injury, metabolic disorders, cytomegalovirus infection, coronary endothelial dysfunction, injury and inflammation respectively. Serial coronary angiography combined with intravascular ultrasound is currently the method of choice for detecting early disease. Biomarkers and noninvasive imaging can also assist in the early identification of CAV. Treatment strategies such as mammalian target of rapamycin inhibitors proceed to grow, but prevention remains the objective.
Conclusions:
Early detection is the key to therapy management. It enables early identification and diagnosis of patients with CAV, who would gain the most from prompt treatment. Further investigation is needed to elucidate the multifactorial pathophysiological process of CAV, develop detection methods and find treatments that prevent or slow disease progression.
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