1gerghese ST, Hannallah RS, Rice LI, et al. Caudal anesthesia in childran:effect of volume versus concentration of bupivacaine on blocking spermatic cord traction response during orchidopexy[J]. Anesth Analg,2002,95(5) : 1219-1223.
2lvani G, Lampugnanl E,Tone M, et al. Comparison of ropivacaine with bupivacaine for paecliatric caudal block[J]. Br J Anaesth, 1998,81(2) :247-248.
3Besberg A, Thomas J, Lopez T, et al. The efficacy of caudal ropivacalne 1,2 and 3 mg/ml for pestoperatlve analgesia in children[J]. Pacdiatr Anaesth,2002,12(1) :53-58.
4Deng XM, Xiao WJ, Tang GZ, et al. The minimum local anesthetic concentration of mpivacaine for caudal analgesia[ J]. Anesth Analg, 2002,94(6) : 1465.
5Cox CR, Faccenda KA, Gilhooly C, et al. Extradural S (-)-bupivacaine : comparison with racemic RS-bupivavaine [ J ]. Br J Anaesth,1998,80(3) :289-293.
6Astuto M, Disma N, Arena C. Levobupivacaine 0.25 % compared with ropivacaine 0.25% by the caudal route in children~ J]. Eur J Anaesthesiol,2003 ,20(10) :826-833.
7Cook B,Doyle E.The use of additives to local anaesthetic solutions for caudal epidural blockade[J] . Paediatr Anaesth, 1996,6(5):353-359.
8Krane EJ, Tyler DC, Jacobsen LE. The dose response of caudal morphine in children[J] . Anesthesiology, 1989,71(1) :48-52.
9Krane El, Jacobsen LE, Lyle DC. Caudal morphine for postoperative analgesia in children:a comparison with caudal bupivacaine and intravaneous morphine[J]. Anesth Analg, 1987,66(7) :647-653.
10Wolf AR, Hughes D, Wade A, et al. Postoperative analgesia after paediatrie orehidopexy :evaluation of a bupivacalnr-morphine mixture[ J]. Br J Anaesth, 1990,64(4) :430-435.
