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Volumn 104, Issue 6, 2007, Pages 1356-1363

A comparison of single-dose caudal clonidine, morphine, or hydromorphone combined with ropivacaine in pediatric patients undergoing ureteral reimplantation

Author keywords

[No Author keywords available]

Indexed keywords

ADRENALIN; CLONIDINE; DIAZEPAM; DIPHENHYDRAMINE; HYDROMORPHONE; MIDAZOLAM; MORPHINE; ONDANSETRON; OXYBUTYNIN; OXYGEN; PARACETAMOL; ROPIVACAINE; SEVOFLURANE;

EID: 34249070452     PISSN: 00032999     EISSN: None     Source Type: Journal    
DOI: 10.1213/01.ane.0000261521.52562.de     Document Type: Article
Times cited : (53)

References (52)
  • 1
    • 33746715735 scopus 로고    scopus 로고
    • Greenbaum LA, Mesrobian HG. Vesicoureteral reflux. Pediatr Clin North Am 2006;53:413-27.
    • Greenbaum LA, Mesrobian HG. Vesicoureteral reflux. Pediatr Clin North Am 2006;53:413-27.
  • 2
    • 4544326372 scopus 로고    scopus 로고
    • Endoscopic treatment with dextranomer/hyaluronic acid for complex cases of vesicoureteral reflux
    • Perez-Brayfield M, Kirsch AJ, Hensle TW, et al. Endoscopic treatment with dextranomer/hyaluronic acid for complex cases of vesicoureteral reflux. J Urol 2004;172:1614-16.
    • (2004) J Urol , vol.172 , pp. 1614-1616
    • Perez-Brayfield, M.1    Kirsch, A.J.2    Hensle, T.W.3
  • 3
    • 30344452645 scopus 로고    scopus 로고
    • Dextranomer/hyaluronic acid for vesicoureteral reflux: Success rates after initial treatment failure
    • Elmore JM, Scherz HC, Kirsch AJ. Dextranomer/hyaluronic acid for vesicoureteral reflux: success rates after initial treatment failure. J Urol 2006;175:712-15.
    • (2006) J Urol , vol.175 , pp. 712-715
    • Elmore, J.M.1    Scherz, H.C.2    Kirsch, A.J.3
  • 4
    • 33645977776 scopus 로고    scopus 로고
    • Single center experience with endoscopic management of vesicoureteral reflux in children
    • Routh JC, Vandersteen DR, Pfefferle H, et al. Single center experience with endoscopic management of vesicoureteral reflux in children. J Urol 2006;175:1889-92.
    • (2006) J Urol , vol.175 , pp. 1889-1892
    • Routh, J.C.1    Vandersteen, D.R.2    Pfefferle, H.3
  • 5
    • 33747889212 scopus 로고    scopus 로고
    • Subureteral dextranomer/hyaluronic acid injection as first line treatment in the management of high grade vesicoureteral reflux
    • Puri P, Pirker M, Mohanan N, et al. Subureteral dextranomer/hyaluronic acid injection as first line treatment in the management of high grade vesicoureteral reflux. J Urol 2006;176:1856-9.
    • (2006) J Urol , vol.176 , pp. 1856-1859
    • Puri, P.1    Pirker, M.2    Mohanan, N.3
  • 6
    • 0035312231 scopus 로고    scopus 로고
    • Management of vesicoureteral reflux in children
    • Greenfield SP. Management of vesicoureteral reflux in children. Curr Urol Rep 2001;2:113-21.
    • (2001) Curr Urol Rep , vol.2 , pp. 113-121
    • Greenfield, S.P.1
  • 7
    • 0028058760 scopus 로고
    • Epidural analgesia in children
    • Berde C. Epidural analgesia in children. Can J Anaesth 1994;41:555-60.
    • (1994) Can J Anaesth , vol.41 , pp. 555-560
    • Berde, C.1
  • 8
    • 0036096873 scopus 로고    scopus 로고
    • Early hospital discharge for intravesical ureteroneocystostomy
    • Miller OF, Bloom TL, Smith LJ, et al. Early hospital discharge for intravesical ureteroneocystostomy. J Urol 2002;167:2556-9.
    • (2002) J Urol , vol.167 , pp. 2556-2559
    • Miller, O.F.1    Bloom, T.L.2    Smith, L.J.3
  • 9
    • 4544350465 scopus 로고    scopus 로고
    • Efficacy of continuous epidural analgesia versus single dose caudal analgesia in children after intravesical ureteroneocystostomy
    • Merguerian PA, Sutters KA, Tang E, et al. Efficacy of continuous epidural analgesia versus single dose caudal analgesia in children after intravesical ureteroneocystostomy. J Urol 2004;172:1621-5.
    • (2004) J Urol , vol.172 , pp. 1621-1625
    • Merguerian, P.A.1    Sutters, K.A.2    Tang, E.3
  • 10
    • 0036195197 scopus 로고    scopus 로고
    • New concepts in acute and extended postoperative pain management in children
    • Kost-Byerly S. New concepts in acute and extended postoperative pain management in children. Anesthesiol Clin North America 2002;20:115-35.
    • (2002) Anesthesiol Clin North America , vol.20 , pp. 115-135
    • Kost-Byerly, S.1
  • 12
    • 34249078727 scopus 로고    scopus 로고
    • Neuraxial blockade: Epidural and spinal anesthesia/analgesia
    • Tobias JD, Deshpande JK, eds, 2nd ed. Chicago, IL: American Academy of Pediatrics
    • Hays SR, Tobias JD. Neuraxial blockade: epidural and spinal anesthesia/analgesia. In: Tobias JD, Deshpande JK, eds. Pediatric pain management for primary care. 2nd ed. Chicago, IL: American Academy of Pediatrics, 2005:95-139.
    • (2005) Pediatric pain management for primary care , pp. 95-139
    • Hays, S.R.1    Tobias, J.D.2
  • 13
    • 0037386268 scopus 로고    scopus 로고
    • Caudal additives in children - solutions or problems?
    • de Beer DA, Thomas ML. Caudal additives in children - solutions or problems? Br J Anaesth 2003;90:487-98.
    • (2003) Br J Anaesth , vol.90 , pp. 487-498
    • de Beer, D.A.1    Thomas, M.L.2
  • 14
    • 0141455026 scopus 로고    scopus 로고
    • Nonopioid additives to local anaesthetics for caudal blockade in children: A systematic review
    • Ansermino M, Basu R, Vandebeek C, Montgomery C. Nonopioid additives to local anaesthetics for caudal blockade in children: a systematic review. Paediatr Anaesth 2003;13:561-73.
    • (2003) Paediatr Anaesth , vol.13 , pp. 561-573
    • Ansermino, M.1    Basu, R.2    Vandebeek, C.3    Montgomery, C.4
  • 15
    • 0031134960 scopus 로고    scopus 로고
    • The FLACC: A behavioral scale for scoring postoperative pain in young children
    • Merkel SI, Voepel-Lewis T, Shayevitz JR, Malviya S. The FLACC: a behavioral scale for scoring postoperative pain in young children. Pediatr Nurs 1997;23:293-7.
    • (1997) Pediatr Nurs , vol.23 , pp. 293-297
    • Merkel, S.I.1    Voepel-Lewis, T.2    Shayevitz, J.R.3    Malviya, S.4
  • 16
    • 0032803739 scopus 로고    scopus 로고
    • Comparison of epidural morphine, hydromorphone and fentanyl for postoperative pain control in children undergoing orthopaedic surgery
    • Goodarzi M. Comparison of epidural morphine, hydromorphone and fentanyl for postoperative pain control in children undergoing orthopaedic surgery. Paediatr Anaesth 1999;9:419-22.
    • (1999) Paediatr Anaesth , vol.9 , pp. 419-422
    • Goodarzi, M.1
  • 17
  • 18
    • 0742324388 scopus 로고    scopus 로고
    • Caudal bupivacaine supplemented with caudal or intravenous clonidine in children undergoing hypospadias repair: A double-blind study
    • Hansen TG, Henneberg SW, Walther-Larsen S, et al. Caudal bupivacaine supplemented with caudal or intravenous clonidine in children undergoing hypospadias repair: a double-blind study. Br J Anaesth 2004;92:223-7.
    • (2004) Br J Anaesth , vol.92 , pp. 223-227
    • Hansen, T.G.1    Henneberg, S.W.2    Walther-Larsen, S.3
  • 19
    • 13244283260 scopus 로고    scopus 로고
    • Dose minimization study of single-dose epidural morphine in patients undergoing hip surgery under regional anesthesia with bupivacaine
    • Castillo-Zamora C, Castillo-Peralta LA, Nava-Ocampo AA. Dose minimization study of single-dose epidural morphine in patients undergoing hip surgery under regional anesthesia with bupivacaine. Paediatr Anaesth 2005;15:29-36.
    • (2005) Paediatr Anaesth , vol.15 , pp. 29-36
    • Castillo-Zamora, C.1    Castillo-Peralta, L.A.2    Nava-Ocampo, A.A.3
  • 20
    • 33645306266 scopus 로고    scopus 로고
    • The efficacy of caudal morphine or bupivacaine combined with general anesthesia on postoperative pain and neuroendocrine stress response in children
    • Teyin E, Derbent A, Balcioglu T, Cokmez B. The efficacy of caudal morphine or bupivacaine combined with general anesthesia on postoperative pain and neuroendocrine stress response in children. Paediatr Anaesth 2006;16:290-6.
    • (2006) Paediatr Anaesth , vol.16 , pp. 290-296
    • Teyin, E.1    Derbent, A.2    Balcioglu, T.3    Cokmez, B.4
  • 21
    • 0029589813 scopus 로고
    • Low-dose caudal morphine for postoperative analgesia in infants and children: A report of 500 cases
    • Mayhew JF, Brodsky RC, Blakey D, Petersen W. Low-dose caudal morphine for postoperative analgesia in infants and children: a report of 500 cases. J Clin Anesth 1995;7:640-2.
    • (1995) J Clin Anesth , vol.7 , pp. 640-642
    • Mayhew, J.F.1    Brodsky, R.C.2    Blakey, D.3    Petersen, W.4
  • 22
    • 0031836037 scopus 로고    scopus 로고
    • Pre-emptive caudal bupivacaine and morphine for postoperative analgesia in children
    • Kundra P, Deepalakshmi K, Ravishankar M. Pre-emptive caudal bupivacaine and morphine for postoperative analgesia in children. Anesth Analg 1998;87:52-6.
    • (1998) Anesth Analg , vol.87 , pp. 52-56
    • Kundra, P.1    Deepalakshmi, K.2    Ravishankar, M.3
  • 23
    • 0033066684 scopus 로고    scopus 로고
    • Comparison of clonidine 1 microgram kg-1 with morphine 30 micrograms kg-1 for postoperative caudal analgesia in children
    • Luz G, Innerhofer P, Oswald E, et al. Comparison of clonidine 1 microgram kg-1 with morphine 30 micrograms kg-1 for postoperative caudal analgesia in children. Eur J Anaesthesiol 1999;16:42-6.
    • (1999) Eur J Anaesthesiol , vol.16 , pp. 42-46
    • Luz, G.1    Innerhofer, P.2    Oswald, E.3
  • 24
    • 0034940140 scopus 로고    scopus 로고
    • Comparison of caudal morphine and tramadol for postoperative pain control in children undergoing inguinal herniorrhaphy
    • Ozcengiz D, Gunduz M, Ozbek H, Isik G. Comparison of caudal morphine and tramadol for postoperative pain control in children undergoing inguinal herniorrhaphy. Paediatr Anaesth 2001;11:459-64.
    • (2001) Paediatr Anaesth , vol.11 , pp. 459-464
    • Ozcengiz, D.1    Gunduz, M.2    Ozbek, H.3    Isik, G.4
  • 25
    • 0026075302 scopus 로고
    • Single-dose caudal epidural morphine in children: Safe, effective, and easy
    • Serlin S. Single-dose caudal epidural morphine in children: safe, effective, and easy. J Clin Anesth 1991;3:386-90.
    • (1991) J Clin Anesth , vol.3 , pp. 386-390
    • Serlin, S.1
  • 26
    • 0029862168 scopus 로고    scopus 로고
    • Postoperative epidural opioid analgesia: What are the choices?
    • de Leon-Casasola OA, Lema MJ. Postoperative epidural opioid analgesia: what are the choices? Anesth Analg 1996;83:867-75.
    • (1996) Anesth Analg , vol.83 , pp. 867-875
    • de Leon-Casasola, O.A.1    Lema, M.J.2
  • 27
    • 0028788965 scopus 로고
    • Side effects of intrathecal and epidural opioids
    • Chaney MA. Side effects of intrathecal and epidural opioids. Can J Anaesth 1995;42:891-903.
    • (1995) Can J Anaesth , vol.42 , pp. 891-903
    • Chaney, M.A.1
  • 28
    • 33744460466 scopus 로고    scopus 로고
    • Risk factors for postoperative nausea and vomiting
    • Gan TJ. Risk factors for postoperative nausea and vomiting. Anesth Analg 2006;102:1884-98.
    • (2006) Anesth Analg , vol.102 , pp. 1884-1898
    • Gan, T.J.1
  • 29
    • 0942287990 scopus 로고    scopus 로고
    • Prophylactic iv ondansetron reduces nausea, vomiting and pruritus following epidural morphine for postoperative pain control
    • Tzeng JI, Chu KS, Ho ST, et al. Prophylactic iv ondansetron reduces nausea, vomiting and pruritus following epidural morphine for postoperative pain control. Can J Anaesth 2003;50:1023-6.
    • (2003) Can J Anaesth , vol.50 , pp. 1023-1026
    • Tzeng, J.I.1    Chu, K.S.2    Ho, S.T.3
  • 30
    • 10744225134 scopus 로고    scopus 로고
    • Consensus guidelines for managing postoperative nausea and vomiting
    • Gan TJ, Meyer T, Apfel CC, et al. Consensus guidelines for managing postoperative nausea and vomiting. Anesth Analg 2003;97:62-71.
    • (2003) Anesth Analg , vol.97 , pp. 62-71
    • Gan, T.J.1    Meyer, T.2    Apfel, C.C.3
  • 31
    • 2542572417 scopus 로고    scopus 로고
    • Evidence-based management of postoperative nausea and vomiting: A review
    • Habib AS, Gan TJ. Evidence-based management of postoperative nausea and vomiting: a review. Can J Anaesth 2004;51:326-41.
    • (2004) Can J Anaesth , vol.51 , pp. 326-341
    • Habib, A.S.1    Gan, T.J.2
  • 32
    • 0031929081 scopus 로고    scopus 로고
    • Addition of clonidine or fentanyl to local anaesthetics prolongs the duration of surgical analgesia after single shot caudal block in children
    • Constant I, Gall O, Gouyet L, et al. Addition of clonidine or fentanyl to local anaesthetics prolongs the duration of surgical analgesia after single shot caudal block in children. Br J Anaesth 1998;80:294-8.
    • (1998) Br J Anaesth , vol.80 , pp. 294-298
    • Constant, I.1    Gall, O.2    Gouyet, L.3
  • 33
    • 23744494994 scopus 로고    scopus 로고
    • Clonidine increases duration of bupivacaine caudal analgesia for ureteroneocystostomy: A double-blind prospective trial
    • Tripi PA, Palmer JS, Thomas S, Elder JS. Clonidine increases duration of bupivacaine caudal analgesia for ureteroneocystostomy: a double-blind prospective trial. J Urol 2005;174:1081-3.
    • (2005) J Urol , vol.174 , pp. 1081-1083
    • Tripi, P.A.1    Palmer, J.S.2    Thomas, S.3    Elder, J.S.4
  • 34
    • 2942541134 scopus 로고    scopus 로고
    • Analgesic effect of clonidine added to bupivacaine 0.125% in paediatric caudal blockade
    • Joshi W, Connelly NR, Freeman K, Reuben SS. Analgesic effect of clonidine added to bupivacaine 0.125% in paediatric caudal blockade. Paediatr Anaesth 2004;14:483-6.
    • (2004) Paediatr Anaesth , vol.14 , pp. 483-486
    • Joshi, W.1    Connelly, N.R.2    Freeman, K.3    Reuben, S.S.4
  • 35
    • 20444468925 scopus 로고    scopus 로고
    • Wheeler M, Patel A, Suresh S, et al. The addition of clonidine 2 microg·kg-1 does not enhance the postoperative analgesia of a caudal block using 0.125% bupivacaine and epinephrine 1:200,000 in children: a prospective, double-blind, randomized study. Paediatr Anaesth 2005;15:476-83.
    • Wheeler M, Patel A, Suresh S, et al. The addition of clonidine 2 microg·kg-1 does not enhance the postoperative analgesia of a caudal block using 0.125% bupivacaine and epinephrine 1:200,000 in children: a prospective, double-blind, randomized study. Paediatr Anaesth 2005;15:476-83.
  • 37
    • 0031975329 scopus 로고    scopus 로고
    • The efficacy and safety of a clonidine/bupivacaine combination in caudal blockade for pediatric hernia repair
    • Klimscha W, Chiari A, Michalek-Sauberer A, et al. The efficacy and safety of a clonidine/bupivacaine combination in caudal blockade for pediatric hernia repair. Anesth Analg 1998;86:54-61.
    • (1998) Anesth Analg , vol.86 , pp. 54-61
    • Klimscha, W.1    Chiari, A.2    Michalek-Sauberer, A.3
  • 38
    • 33747871643 scopus 로고    scopus 로고
    • Levobupivacaine caudal anesthesia in children: A randomized double-blind comparison with bupivacaine
    • Frawley GP, Downie S, Huang GH. Levobupivacaine caudal anesthesia in children: a randomized double-blind comparison with bupivacaine. Paediatr Anaesth 2006;16:754-60.
    • (2006) Paediatr Anaesth , vol.16 , pp. 754-760
    • Frawley, G.P.1    Downie, S.2    Huang, G.H.3
  • 40
    • 0034038138 scopus 로고    scopus 로고
    • Analysis of behavioural and physiological parameters for the assessment of postoperative analgesic demand in newborns, infants and young children: A comprehensive report on seven consecutive studies
    • Buttner W, Finke W. Analysis of behavioural and physiological parameters for the assessment of postoperative analgesic demand in newborns, infants and young children: a comprehensive report on seven consecutive studies. Paediatr Anaesth 2000;10:303-18.
    • (2000) Paediatr Anaesth , vol.10 , pp. 303-318
    • Buttner, W.1    Finke, W.2
  • 41
    • 0025234389 scopus 로고
    • A comparison between bupivacaine instillation versus ilioinguinal/iliohypogastric nerve block for postoperative analgesia following inguinal herniorrhaphy in children
    • Casey WF, Rice LJ, Hannallah RS, et al. A comparison between bupivacaine instillation versus ilioinguinal/iliohypogastric nerve block for postoperative analgesia following inguinal herniorrhaphy in children. Anesthesiology 1990;72:637-9.
    • (1990) Anesthesiology , vol.72 , pp. 637-639
    • Casey, W.F.1    Rice, L.J.2    Hannallah, R.S.3
  • 42
    • 0141929554 scopus 로고    scopus 로고
    • Levobupivacaine 0.25% compared with ropivacaine 0.25% by the caudal route in children
    • Astuto M, Disma N, Arena C. Levobupivacaine 0.25% compared with ropivacaine 0.25% by the caudal route in children. Eur J Anaesthesiol 2003;20:826-30.
    • (2003) Eur J Anaesthesiol , vol.20 , pp. 826-830
    • Astuto, M.1    Disma, N.2    Arena, C.3
  • 43
    • 0034061698 scopus 로고    scopus 로고
    • Does the addition of fentanyl to bupivacaine in caudal epidural block have an effect on the plasma level of catecholamines in children?
    • Gaitini LA, Somri M, Vaida SJ, et al. Does the addition of fentanyl to bupivacaine in caudal epidural block have an effect on the plasma level of catecholamines in children? Anesth Analg 2000;90:1029-33.
    • (2000) Anesth Analg , vol.90 , pp. 1029-1033
    • Gaitini, L.A.1    Somri, M.2    Vaida, S.J.3
  • 44
    • 0042347889 scopus 로고    scopus 로고
    • A comparison of three different concentrations of levobupivacaine for caudal block in children
    • Ivani G, De Negri P, Lonnqvist PA, et al. A comparison of three different concentrations of levobupivacaine for caudal block in children. Anesth Analg 2003;97:368-71.
    • (2003) Anesth Analg , vol.97 , pp. 368-371
    • Ivani, G.1    De Negri, P.2    Lonnqvist, P.A.3
  • 45
    • 20444455920 scopus 로고    scopus 로고
    • Caudal anesthesia for minor pediatric surgery: A prospective randomized comparison of ropivacaine 0.2% vs levobupivacaine 0.2%. Paediatr
    • Ivani G, De Negri P, Lonnqvist PA, et al. Caudal anesthesia for minor pediatric surgery: a prospective randomized comparison of ropivacaine 0.2% vs levobupivacaine 0.2%. Paediatr Anaesth 2005;15:491-4.
    • (2005) Anaesth , vol.15 , pp. 491-494
    • Ivani, G.1    De Negri, P.2    Lonnqvist, P.A.3
  • 46
    • 0036207254 scopus 로고    scopus 로고
    • Comparison of racemic bupivacaine, ropivacaine, and levo-bupivacaine for pediatric caudal anesthesia: Effects on postoperative analgesia and motor block
    • Ivani G, DeNegri P, Conio A, et al. Comparison of racemic bupivacaine, ropivacaine, and levo-bupivacaine for pediatric caudal anesthesia: effects on postoperative analgesia and motor block. Reg Anesth Pain Med 2002;27:157-61.
    • (2002) Reg Anesth Pain Med , vol.27 , pp. 157-161
    • Ivani, G.1    DeNegri, P.2    Conio, A.3
  • 47
    • 0036460540 scopus 로고    scopus 로고
    • Spinal versus peripheral effects of adjunct clonidine: Comparison of the analgesic effect of a ropivacaine-clonidine mixture when administered as a caudal or ilioinguinal-iliohypogastric nerve blockade for inguinal surgery in children
    • Ivani G, Conio A, De Negri P, et al. Spinal versus peripheral effects of adjunct clonidine: comparison of the analgesic effect of a ropivacaine-clonidine mixture when administered as a caudal or ilioinguinal-iliohypogastric nerve blockade for inguinal surgery in children. Paediatr Anaesth 2002;12:680-4.
    • (2002) Paediatr Anaesth , vol.12 , pp. 680-684
    • Ivani, G.1    Conio, A.2    De Negri, P.3
  • 48
    • 0025607993 scopus 로고
    • Discordance between self-report and behavioral pain measures in children aged 3-7 years after surgery
    • Beyer JE, McGrath PJ, Berde CB. Discordance between self-report and behavioral pain measures in children aged 3-7 years after surgery. J Pain Symptom Manage 1990;5:350-6.
    • (1990) J Pain Symptom Manage , vol.5 , pp. 350-356
    • Beyer, J.E.1    McGrath, P.J.2    Berde, C.B.3
  • 49
    • 0034759511 scopus 로고    scopus 로고
    • Analgesia for circumcision in a paediatric population: Comparison of caudal bupivacaine alone with bupivacaine plus two doses of clonidine
    • Sharpe P, Klein JR, Thompson JP, et al. Analgesia for circumcision in a paediatric population: comparison of caudal bupivacaine alone with bupivacaine plus two doses of clonidine. Paediatr Anaesth 2001;11:695-700.
    • (2001) Paediatr Anaesth , vol.11 , pp. 695-700
    • Sharpe, P.1    Klein, J.R.2    Thompson, J.P.3
  • 50
    • 20444430844 scopus 로고    scopus 로고
    • Caudal analgesia and anesthesia techniques in children
    • Tsui BC, Berde CB. Caudal analgesia and anesthesia techniques in children. Curr Opin Anaesthesiol 2005;18:283- 8.
    • (2005) Curr Opin Anaesthesiol , vol.18 , pp. 283-288
    • Tsui, B.C.1    Berde, C.B.2
  • 51
    • 26444500188 scopus 로고    scopus 로고
    • Adjuncts to caudal block in children - Quo vadis?
    • Lonnqvist PA. Adjuncts to caudal block in children - Quo vadis? Br J Anaesth 2005;95:431-3.
    • (2005) Br J Anaesth , vol.95 , pp. 431-433
    • Lonnqvist, P.A.1
  • 52
    • 0036924223 scopus 로고    scopus 로고
    • Use of caudal-epidural opioids in children: Still state of the art or the beginning of the end?
    • Lonnqvist PA, Ivani G, Moriarty T. Use of caudal-epidural opioids in children: still state of the art or the beginning of the end? Paediatr Anaesth 2002;12:747-9.
    • (2002) Paediatr Anaesth , vol.12 , pp. 747-749
    • Lonnqvist, P.A.1    Ivani, G.2    Moriarty, T.3


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