Tschernko, E M Clonidine added to the anesthetic solution enhances analgesia and improves oxygenation after intercostal nerve block for thoracotomy. [electronic resource] - Anesthesia and analgesia Jul 1998 - 107-11 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0003-2999 Standard No.: 10.1097/00000539-199807000-00023 doi Subjects--Topical Terms: Adrenergic alpha-AgonistsAgedAnalgesia--methodsAnesthesia--methodsAnesthetics, LocalBlood Pressure--drug effectsBupivacaineClonidineDouble-Blind MethodDrug SynergismFemaleHeart Rate--drug effectsHumansInjections, IntramuscularMaleMiddle AgedNerve Block--methodsOxygen--bloodPain, Postoperative--drug therapyPartial PressureProspective StudiesSolutionsThoracotomy--adverse effects