Related Experiment Video
Updated: Mar 29, 2026

Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats
Published on: January 21, 2020
New Concepts in Complex Regional Pain Syndrome
Maral Tajerian1, John David Clark1
1Anesthesia Service, Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA 94304, USA; Department of Anesthesiology, Stanford University School of Medicine, 300 Pasteur Drive, Stanford, CA 94305, USA.
Complex regional pain syndrome (CRPS) causes severe pain and disability. Understanding its underlying mechanisms in preclinical models and patients is crucial for developing effective, targeted treatments.
Area of Science:
- Neuroscience
- Pain Medicine
- Pathophysiology
Background:
- Complex regional pain syndrome (CRPS) is characterized by severe pain and functional disability.
- Current understanding of CRPS pathophysiology is limited, hindering effective treatment development.
- This gap in knowledge causes significant frustration for both clinicians and patients.
Purpose of the Study:
- To review proposed pathophysiological mechanisms of CRPS.
- To bridge the gap between preclinical research and clinical application.
- To facilitate the design of mechanism-based therapies for CRPS.
Main Methods:
- Literature review of preclinical models of CRPS.
- Analysis of studies investigating CRPS pathophysiology in patients.
- Synthesis of current evidence on CRPS mechanisms.
Main Results:
- Several mechanisms are implicated in CRPS pathophysiology.
- These include neuroinflammation, glial activation, and peripheral/central sensitization.
- Understanding these mechanisms is key to therapeutic advancement.
Conclusions:
- A deeper understanding of CRPS mechanisms is essential for developing targeted treatments.
- Translating findings from preclinical models to clinical practice is a critical goal.
- Mechanism-based therapies hold promise for improving outcomes in CRPS patients.
Related Concept Videos
Analgesia and Pain Management
Nociception
Pain
Local Anesthetics: Differential Sensitivity of Nerve Fibers
Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia
One of the advantages of...

