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Ischemic preconditioning in solid organ transplantation: from experimental to clinics
Joan Torras Ambros1, Immaculada Herrero-Fresneda, Oscar Gulias Borau
1Department of Medicine, Laboratory of Nephrology and Nephrology Service, IDIBELL-Hospital Universitari Bellvitge, University of Barcelona, Barcelona, Spain. 15268jta@comb.es
Ischemic preconditioning (IP) protects organs from ischemia-reperfusion injury by altering metabolism and reducing inflammation. While effective in animal models, more human research is needed for clinical applications like transplantation.
Area of Science:
- Biomedical Science
- Physiology
- Organ Transplantation
Background:
- Ischemic preconditioning (IP) is a phenomenon where brief periods of ischemia protect against subsequent prolonged ischemia-reperfusion (I/R) injury.
- IP has been extensively studied in cardiac ischemia, with recent evidence supporting its efficacy in human cardiac surgery and interventions.
Purpose of the Study:
- To review the current understanding of IP mechanisms and its protective effects against I/R injury.
- To explore the potential therapeutic applications of IP, particularly in clinical transplantation.
Main Methods:
- Review of experimental and clinical studies on ischemic preconditioning.
- Analysis of endogenous and distant protective mechanisms across various organs (heart, skeletal muscle, liver, lung, kidney, intestine, brain).
Main Results:
- IP confers protection in multiple organs through altered energy metabolism, improved electrolyte balance, genetic changes, reduced oxidative stress, and enhanced microcirculation.
- Early human trials suggest IP can protect liver, lung, and skeletal muscle from I/R damage.
Conclusions:
- Ischemic preconditioning is a ubiquitous protective strategy with potential therapeutic applications in preventing I/R damage, especially in organ transplantation.
- Further research is essential to fully translate IP findings into widespread clinical practice.
