Overview Analgesic Effect of Intraoperative Esmolol in Mastectomies Status: Completed Trial end date: 2017-02-01 Target enrollment: Participant gender: Summary This study aims to compare the quality of perioperative analgesia of esmolol in patients undergoing mastectomy. Phase: Phase 4 Details Lead Sponsor: Hospital de BaseTreatments: AnalgesicsAnestheticsEsmolol