The aim of this study is to assess the efficacy of the mirror therapy on phantom pain for patients with amputation after vascular etiology. the secondary aim are to measure the impact of the mirror therapy on quality of life, sleep disorders, and predictive factors for effectiveness. the design is a prospective study, randomised, blindly evaluated, monocentric. There will be 2 groups: 1) rehabilitation and gabapentine; 2) rehabilitation and gabapentine + mirror therapy during the first 4 weeks. The assessment are going to be preformed at the inclusion day and then every 2 weeks during 8 weeks. the primary evaluation criterion will be the phantom pain measured on a VAS. the delay for inclusion is 18 months in order ton include 40 patients. The length of the study is 20 months.