Overview Lidocaine Compared to Magnesium Sulfate to Prolong Spinal Anesthesia: Non-inferiority Randomized Clinical Trial Status: Completed Trial end date: 2019-04-01 Target enrollment: Participant gender: Summary This study evaluates the addition of continuous infusion of lidocaine or continuous infusion of magnesium sufate in the duration of spinal anesthesia. Phase: Phase 4 Details Lead Sponsor: Brasilia University HospitalTreatments: AnestheticsLidocaineMagnesium Sulfate