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Updated: Oct 23, 2025

Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats
Published on: January 21, 2020
Development of Upper Extremity Complex Regional Pain Syndrome After Prolonged Surgery in Lithotomy Position: A Case
Alexander V Chen1, Talin Evazyan2
1From the Department of Anesthesiology, Los Angeles County + University of Southern California Medical Center, Los Angeles, California, Department of Anesthesiology and Pain Management, Keck Medical Center of USC, Los Angeles, California.
Abstract:
Complex regional pain syndrome (CRPS) is a chronic condition commonly consisting of allodynia, paresthesias, skin and temperature changes, and motor dysfunction. CRPS is relatively rare and classically develops in a limb after sustaining a traumatic or surgical insult. To date, CRPS developing in a previously uninjured limb after prolonged immobilization has not yet been reported. We describe a 45-year-old man with no known preexisting injury or neuropathy to his upper extremities who developed CRPS of his right wrist and hand after prolonged colorectal surgery.
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