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Updated: Mar 1, 2026
Remote Limb Ischemic Preconditioning: A Neuroprotective Technique in Rodents
Published on: June 2, 2015
Prevention of contrast-induced nephropathy by limb ischemic preconditioning: underlying mechanisms and clinical
George J Dugbartey1, Andrew N Redington1
1Division of Cardiology, The Heart Institute, Cincinnati Children's Hospital Medical Center , Cincinnati, Ohio.
Insights
Remote ischemic preconditioning (RIPC) shows promise for preventing contrast-induced nephropathy (CIN), a common cause of acute kidney injury. This strategy involves short limb ischemia-reperfusion cycles to protect the kidneys from contrast media damage.
Area of Science:
- Nephrology
- Cardiology
- Radiology
Background:
- Contrast-induced nephropathy (CIN) is a significant complication of iodinated contrast media (CM) administration.
- CIN is the third leading cause of hospital-acquired acute kidney injury, increasing morbidity and mortality.
- Current mitigation strategies like hydration and low-osmolar CM are insufficient, lacking specific prophylactic therapies.
Purpose of the Study:
- To review the current clinical and experimental evidence on remote ischemic preconditioning (RIPC) for CIN prevention.
- To explore the pathophysiology of CIN and the mechanisms of renal protection offered by RIPC.
Main Methods:
- Review of clinical and experimental studies on CIN and RIPC.
- Analysis of cellular and molecular mechanisms involved in RIPC-induced renal protection.
Main Results:
- RIPC has demonstrated efficacy in reducing myocardial infarction size and benefiting other ischemia-reperfusion syndromes.
- Emerging evidence suggests RIPC is a promising strategy for preventing CIN.
- Understanding the mechanisms of RIPC is crucial for its clinical application in CIN prevention.
Conclusions:
- Remote ischemic preconditioning (RIPC) is an emerging and promising strategy for preventing contrast-induced nephropathy (CIN).
- Further research into the cellular and molecular mechanisms of RIPC is warranted to optimize its application in renal protection.
- RIPC offers a novel prophylactic approach for patients undergoing procedures involving iodinated contrast media.
Abstract:
Contrast-induced nephropathy (CIN) is an important complication following diagnostic radiographic imaging and interventional therapy. It results from administration of intravascular iodinated contrast media (CM) and is currently the third most common cause of hospital-acquired acute kidney injury. CIN is associated with increased morbidity, prolonged hospitalization, and higher mortality. Although the importance of CIN is widely appreciated, and its occurrence can be mitigated by the use of pre- and posthydration protocols and low osmolar instead of high osmolar iodine-containing CM, specific prophylactic therapy is lacking. Remote ischemic preconditioning (RIPC), induced through short cycles of ischemia-reperfusion applied to the limb, is an intriguing new strategy that has been shown to reduce myocardial infarction size in patients undergoing emergency percutaneous coronary intervention. Furthermore, multiple proof-of-principle clinical studies have suggested benefit in several other ischemia-reperfusion syndromes, including stroke. Perhaps somewhat surprisingly, RIPC also is emerging as a promising strategy for CIN prevention. In this review, we discuss current clinical and experimental developments regarding the biology of CIN, concentrating on the pathophysiology of CIN, and cellular and molecular mechanisms by which limb ischemic preconditioning may confer renal protection in clinical and experimental models of CIN.
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