Pulsed Electromagnetic Fields (PEMFS) in Complex Regional Pain Syndrome Type i (CRPS-I) of the Foot (PeCFoA)

Inclusion Criteria: * Diagnosis of type I CRPS according to the Budapest criteria (table 1) * Type I CRPS involving the ankle or foot * Onset of CRPS type I up to a maximum of 3 years after the symptomatic event * Pain on visual analog scale (VAS) scale quantified as intensity at least ≥ 5 at recruitment * Pharmacological treatment with first infusion cycle of neridronate Exclusion Criteria: * Neurological pathologies (stroke, degenerative, traumatic pathologies) * Local neurological impairment (type II CRPS), confirmed by a conduction test or similar * Cardiac pacemaker, treatment site malignancy