Ghali, Ashraf M The Effect of Low-Dose Dexmedetomidine as an Adjuvant to Levobupivacaine in Patients Undergoing Vitreoretinal Surgery Under Sub-Tenon's Block Anesthesia. [electronic resource] - Anesthesia and analgesia Nov 2015 - 1378-82 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1526-7598 Standard No.: 10.1213/ANE.0000000000000908 doi Subjects--Topical Terms: AgedAnalgesics, Non-Narcotic--administration & dosageAnesthesia, Local--methodsAnesthetics, Local--administration & dosageBupivacaine--administration & dosageDexmedetomidine--administration & dosageDouble-Blind MethodDrug Therapy, CombinationFemaleHumansLevobupivacaineMaleMiddle AgedNerve Block--methodsPain Measurement--drug effectsPain, Postoperative--diagnosisProspective StudiesTreatment OutcomeVitreoretinal Surgery--adverse effects