[Pathophysiology of complex regional pain syndrome (CRPS) type 1].

Background: If the pathophysiology of complex regional pain syndrome (CRPS) type 1 remains controversial, most authors agree on a combination in varying proportions, a sensitization of peripheral nerves.

Aim: To describe the state of advances in the physiopathology of complex regional pain syndrome type 1.

Methods: Bibliographic research and literature review performed by referring to databases (Medline, Science Direct)

Results: The physiopathology of complex regional pain syndrome type 1 remains still poorly understood and controversial.