Zalunardo, Marco P Preoperative clonidine blunts hyperadrenergic and hyperdynamic responses to prolonged tourniquet pressure during general anesthesia. [electronic resource] - Anesthesia and analgesia Mar 2002 - 615-8; table of contents p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0003-2999 Standard No.: 10.1097/00000539-200203000-00025 doi Subjects--Topical Terms: AdultAnesthesia, GeneralBlood Pressure--drug effectsClonidine--pharmacologyDouble-Blind MethodFemaleHumansMaleMiddle AgedMultivariate AnalysisNorepinephrine--bloodTourniquets