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Cardiac Ischaemia-Reperfusion Injury: Pathophysiology, Therapeutic Targets and Future Interventions
Lujain Alsadder1, Abdulaziz Hamadah1
1Faculty of Medicine and Dentistry, Queen Mary University of London, London E1 4NS, UK.
Insights
Cardiac ischaemia-reperfusion (I/R) injury remains a significant challenge despite medical advancements. This review explores I/R injury mechanisms and emerging therapies to mitigate this complication.
Area of Science:
- Cardiology
- Biomedical Science
Background:
- Cardiovascular diseases (CVDs) are a leading global cause of death, despite diagnostic and management improvements.
- Cardiac ischaemia-reperfusion (I/R) injury is a major complication during CVD treatment, causing paradoxical tissue damage.
- Current therapeutic strategies for cardiac I/R injury are insufficient, necessitating further research.
Purpose of the Study:
- To review the complex pathophysiology of cardiac ischaemia-reperfusion (I/R) injury.
- To identify knowledge gaps in understanding I/R injury.
- To explore novel and emerging therapeutic interventions for mitigating I/R injury.
Main Methods:
- Literature review of existing research on cardiac I/R injury.
- Analysis of underlying mechanisms and contributing factors.
- Evaluation of current and potential therapeutic strategies.
Main Results:
- Cardiac I/R injury involves multifaceted pathophysiological processes with complex clinical outcomes.
- Existing treatments for I/R injury have limitations, and an optimal solution is yet to be found.
- Pharmacological and molecular therapies show promise but require further investigation.
Conclusions:
- Understanding the intricate mechanisms of cardiac I/R injury is crucial for developing effective treatments.
- Emerging therapeutic interventions offer potential for mitigating I/R injury.
- Continued research is essential to address the challenges posed by cardiac I/R injury in cardiovascular disease management.
Abstract:
Advancements in the medical field, particularly in cardiovascular diseases, have significantly improved the diagnosis, management, and prevention of life-threatening presentations and comorbidities. Despite this progress, cardiovascular diseases continue to place a substantial burden on healthcare systems, contributing to nearly 32% of all global deaths according to the World Health Organisation. A predominant complication arising from the treatment of cardiovascular diseases is cardiac ischaemia-reperfusion (I/R) injury, which occurs when blood supply is restored to the myocardium following a period of ischaemia, paradoxically resulting in further tissue damage. There are multiple factors involved in complex pathophysiology and complicated clinical outcomes. Although various therapeutic strategies have been explored to mitigate this injury, an optimal solution has yet to be identified. Therapeutic approaches such as pharmacological interventions and molecular therapy have shown promising prospects in this field. Ongoing research aims to address this unresolved issue, which continues to pose significant challenges for both patients and healthcare professionals. This review aims to explore the multitude of underlying mechanisms of ischaemia-reperfusion injury, and identify current knowledge gaps and new emerging therapeutic interventions.
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