[1] Turhan KS, Akmese R, Ozkan F, et al.Comparison of low-dose spinal anesthesia and single-shot femoral block combination with conventional dose spinal anesthesia in outpatient arthroscopic meniscus repair[J]. Eur Rev Med Pharmacol Sci,2015,19(8):1489-1497.
[2] Mokini Z, Vitale G, Aletti G, et al.Pain control with ultrasound-guided inguinal field block compared with spinal anesthesia after hernia surgery: A randomized trial[J]. Surgery,2015,157(2):304-311.
[3] Liu J, Yuan W, Wang X, et al.Peripheral nerve blocks versus general anesthesia for total knee replacement in elderly patients on the postoperative quality of recovery[J]. Clin Interv Aging,2014,18(9):341-350.
[4] Portenoy RK.Breakthrough pain: definition, prevalence and characteristics[J]. Pain,1990,41(3):273-281.
[5] Davies AN, Dickman A, Reid C, et al.The management of cancer-related breakthrough pain: recommendations of a task group of the Science Committee of the Association for Palliative Medicine of Great Britain and Ireland[J]. Eur J Pain,2009,13(4):331-338.
[6] Williams BA, Bottegal MT, Kentor ML, et al.Rebound pain scores as a function of femoral nerve block duration after anterior cruciate ligament reconstruction: retrospective analysis of a prospective, randomized clinical trial[J]. Reg Anesth Pain Med,2007,32(3):186-192.
[7] Xing JG, Abdallah FW, Brull R, et al.Preoperative femoral nerve block for hip arthroscopy: a randomized, triple-masked controlled trial[J]. Am J Sports Med,2015, 43(11):2680-2687.
[8] Galos DK, Taormina DP, Crespo A, et al.Does brachial plexus blockade result in improved pain scores after distal radius fracture fixation? a randomized trial[J]. Clin Orthop Relat Res,2016,474(5):1247-1254.
[9] Goldstein RY, Montero N, Jain SK, et al.Efficacy of popliteal block in postoperative pain control after ankle fracture fixation - a prospective randomized study[J]. J Orthop Trauma,2011,26(10):557-562.
[10] Lee JJ, Kim DY, Hwang JT, et al.Effect of ultrasonographically guided axillary nerve block combined with suprascapular nerve block in arthroscopic rotator cuff repair: a randomized controlled trial[J]. Arthroscopy,2014, 30(8):906-914.
[11] Kolarczyk LM, Williams BA.Transient heat hyperalgesia during resolution of ropivacaine sciatic nerve block in the rat[J]. Reg Anesth Pain Med,2011,36(3):220-224.
[12] Gordon SM, Chuang BP, Wang XM, et al.The differential effects of bupivacaine and lidocaine on prostaglandin E2 release, cyclooxygenase gene expression and pain in a clinical pain model[J]. Anesth Analg,2008,106(1):321-327.
[13] Myers RR, Kalichman MW, Reisner LS, et al.Neurotoxicity of local anesthetics: altered perineurial permeability, edema, and nerve fiber injury[J]. Anesthesiology,1986, 64(1):29-35.
[14] Ding DY, Manoli A 3rd, Galos DK, et al. Continuous popliteal sciatic nerve block versus single injection nerve block for ankle fracture surgery: a prospective rando-mized comparative trial[J]. J Orthop Trauma,2015,29(9):393-398.
[15] Lee SM, Park SE, Nam YS, et al.Analgesic effectiveness of nerve block in shoulder arthroscopy: comparison between interscalene, suprascapular and axillary nerve blocks[J]. Knee Surg Sports Traumatol Arthrosc,2012,20(12):2573-2578.
[16] Andersen HL, Gyrn J, Møller L, et al.Continuous saphenous nerve block as supplement to single-dose local infiltration analgesia for postoperative pain management after total knee arthroplasty[J]. Reg Anesth Pain Med,2013, 38(2):106-111.
[17] Sato K, Adachi T, Shirai N, et al.Continuous versus single-injection sciatic nerve block added to continuous femoral nerve block for analgesia after total knee arthroplasty[J]. Reg Anesth Pain Med,2014,39(3):225-229.
[18] Marhofer D, Marhofer P, Triffterer L, et al.Dislocation rates of perineural catheters: a volunteer study[J]. Br J Anaesth,2013,111(5):800-806.
[19] Bernards C, Kopacz D.Effect of epinephrine on lidocaine clearance in vivo: a microdialysis study in humans[J]. Anesthesiology,1999,91(4):962-968.
[20] Schoenmakers KP, Fenten MG, Louwerens JW, et al.The effects of adding epinephrine to ropivacaine for popliteal nerve block on the duration of postoperative analgesia: a randomized controlled trial[J]. BMC Anesthesiol,2015,15:100.
[21] Leem JW, Choi Y, Han SM, et al.Conduction block by clonidine is not mediated by alpha2-adrenergic receptors in rat sciatic nerve fibers[J]. Reg Anesth Pain Med,2000, 25(6):620-625.
[22] Rohan B, Singh PY, Gurjeet K.Addition of clonidine or lignocaine to ropivacaine for supraclavicular brachial plexus block: a comparative study[J]. Singapore Med J,2014,55(4):229-232.
[23] Lavand′homme P, Ma W, Kock MD, et al.Perineural alpha(2A)-adrenoceptor activation inhibits spinal cord neuroplasticity and tactile allody[J]. Anesthesiology,2002,97(4):972-980.
[24] Keplinger M, Marhofer P, Kettner SC, et al.A pharmacodynamic evaluation of dexmedetomidine as an additive drug to ropivacaine for peripheral nerve blockade[J]. Eur J Anaesthesiol,2015,32(11):790-796.
[25] Bharti N, Sardana DK, Bala I.The analgesic efficacy of dexmedetomidine as an adjunct to local anesthetics in supraclavicular brachial plexus block[J]. Anesth Analg,2015,121(6):1655-1660.
[26] Brummett CM, Padda AK, Amodeo FS, et al.Perineural dexmedetomidine added to ropivacaine causes a dose-dependent increase in the duration of thermal antinociception in sciatic nerve block in rat[J]. Anesthesiology,2009, 111(5):1111-1119.
[27] Attardi B, Takimoto K, Gealy R, et al.Glucocorticoid induced up-regulation of a pituitary K+ channel mRNA in vitro and in vivo[J]. Receptors Channels,1993,1(4):287-293.
[28] Choi S, Rodseth R, McCartney CJ. Effects of dexamethasone as a local anaesthetic adjuvant for brachial plexus block: a systematic review and meta-analysis of rando-mized trials[J]. Br J Anaesth,2014,112(3):427-439.
[29] Cummings KC 3rd, Napierkowski DE, Parra-Sanchez I, et al. Effect of dexamethasone on the duration of interscalene nerve blocks with ropivacaine or bupivacaine[J]. Br J Anaesth,2011,107(3):446-453.
[30] An K, Elkassabany NM, Liu J.Dexamethasone as adjuvant to bupivacaine prolongs the duration of thermal antinociception and prevents bupivacaine-induced rebound hyperalgesia via regional mechanism in a mouse sciatic nerve block model[J]. PLoS One,2015,10(4):e0123459.
[31] Laiq N, Khan MN, Arif M, et al.Midazolam with bupivacaine for improving analgesia quality in brachial plexus block for upper limb surgeries[J]. J Coll Physicians Surg Pak,2008,18(11):674-678.
[32] Demirel E, Ugur HC, Dolgun H, et al.The neurotoxic effects of intrathecal midazolam and neostigmine in rabbits[J]. Anaesth Intensive Care,2006,34(2):218-223.