Overview Para-vertebral Dexmedetomidine and the Incidence of Postoperative Chronic Pain Status: Completed Trial end date: 2018-04-15 Target enrollment: Participant gender: Summary Up to our knowledge there is no study focused upon the incidence of post VATS chronic pain when dexmedetomidine is used. Phase: N/A Details Lead Sponsor: Assiut UniversityTreatments: BupivacaineDexmedetomidine