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Volumn 53, Issue 3, 2005, Pages 301-308

Treatment of sleep apnea syndrome with oral appliances

Author keywords

[No Author keywords available]

Indexed keywords

APNEA; CLINICAL TRIAL; CONTROLLED CLINICAL TRIAL; CONTROLLED STUDY; HUMAN; MANDIBLE; MOUTH CAVITY; NOTE; POSITIVE END EXPIRATORY PRESSURE; PROSTHESIS; RANDOMIZED CONTROLLED TRIAL; RATING SCALE; SLEEP APNEA SYNDROME; SLEEP WAKING CYCLE; TONGUE; TREATMENT OUTCOME; UVULOPALATOPHARYNGOPLASTY;

EID: 14944351421     PISSN: 04523458     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Note
Times cited : (2)

References (46)
  • 1
    • 33645499846 scopus 로고    scopus 로고
    • Oral appliances for obstructive sleep apnoea
    • Chichester, UK: John Wiley & Sons, Ltd
    • Lim J, Lasserson TJ, Fleetham J, Wright J: Oral appliances for obstructive sleep apnoea(Cochrane Review). The Cochrane Library, Issue 3, Chichester, UK: John Wiley & Sons, Ltd, 2004
    • (2004) The Cochrane Library , Issue.3
    • Lim, J.1    Lasserson, T.J.2    Fleetham, J.3    Wright, J.4
  • 2
    • 0020071037 scopus 로고
    • The effect of a non-surgical treatment for obstructive sleep apnea: The tongue-retaining-device
    • Cartwrigt RD, Samelson C: The effect of a non-surgical treatment for obstructive sleep apnea: the tongue-retaining-device. JAMA 248: 705-710, 1982
    • (1982) JAMA , vol.248 , pp. 705-710
    • Cartwrigt, R.D.1    Samelson, C.2
  • 3
    • 0033018964 scopus 로고    scopus 로고
    • Cephalometric abnormalities in non-obese and obese patients with obstructive sleep apnea
    • Sakakibara H, Tong M, Matsushita K, et al: Cephalometric abnormalities in non-obese and obese patients with obstructive sleep apnea. Eur Respir J 13: 403-410, 1999
    • (1999) Eur Respir J , vol.13 , pp. 403-410
    • Sakakibara, H.1    Tong, M.2    Matsushita, K.3
  • 4
    • 0030949916 scopus 로고    scopus 로고
    • Effect of mandibular and tongue protrusion on upper airway size during wakefulness
    • Ferguson KA, Love LL, Ryan F: Effect of mandibular and tongue protrusion on upper airway size during wakefulness. Am J Respir Crit Care Med 155: 1748-1754, 1997
    • (1997) Am J Respir Crit Care Med , vol.155 , pp. 1748-1754
    • Ferguson, K.A.1    Love, L.L.2    Ryan, F.3
  • 5
    • 0032068771 scopus 로고    scopus 로고
    • Effect of a prosthetic appliance for treatment of sleep apnea syndrome on masticatory and tongue muscle activity
    • Yoshida K: effect of a prosthetic appliance for treatment of sleep apnea syndrome on masticatory and tongue muscle activity. J Prosthet Dent 79: 537-544, 1998
    • (1998) J Prosthet Dent , vol.79 , pp. 537-544
    • Yoshida, K.1
  • 6
    • 0002465899 scopus 로고
    • Dental appliances for the treatment of snoring and obstructive sleep apneas
    • Kryger M, Roth T and Dement W, ed. WB Saunders Comp, Philadelphia
    • Lowe AL: Dental appliances for the treatment of snoring and obstructive sleep apneas. In: Kryger M, Roth T and Dement W, ed. Principles and practice of sleep medicine, 2nd ed. WB Saunders Comp, Philadelphia, pp722-735, 1994
    • (1994) Principles and Practice of Sleep Medicine, 2nd Ed. , pp. 722-735
    • Lowe, A.L.1
  • 7
    • 0025833293 scopus 로고
    • Treatment of snoring and obstructive sleep apnea with a dental orthosis
    • Schmidt-Nowara WW, Meade TE, Hays MB: Treatment of snoring and obstructive sleep apnea with a dental orthosis. Chest 99: 1378-1385, 1991
    • (1991) Chest , vol.99 , pp. 1378-1385
    • Schmidt-Nowara, W.W.1    Meade, T.E.2    Hays, M.B.3
  • 8
    • 0028888441 scopus 로고
    • Mandibular advancement splint: An appliance to treat snoring and obstructive sleep apnea
    • O'sullivan RA, Hillman DR, Mateljan R, et al: Mandibular advancement splint: an appliance to treat snoring and obstructive sleep apnea. Am J Respir Crit Care Med 151: 194-198, 1995
    • (1995) Am J Respir Crit Care Med , vol.151 , pp. 194-198
    • O'Sullivan, R.A.1    Hillman, D.R.2    Mateljan, R.3
  • 9
    • 0034659332 scopus 로고    scopus 로고
    • Principles of mandibular advancement device applied to the therapeutic of snoring and sleep apnea syndrome
    • Petijean T, Chammas N, Langevin B, et al: Principles of mandibular advancement device applied to the therapeutic of snoring and sleep apnea syndrome. Sleep 23(Suppl 4): S166-S171, 2000
    • (2000) Sleep , vol.23 , Issue.SUPPL. 4
    • Petijean, T.1    Chammas, N.2    Langevin, B.3
  • 10
    • 0033925262 scopus 로고    scopus 로고
    • A randomized, controlled crossover trial of two oral appliances for sleep apnea treatment
    • Bloch KE, Iseli A, Zhang JN, et al: A randomized, controlled crossover trial of two oral appliances for sleep apnea treatment. Am J Respir Crit care Med 162: 246-251, 2000
    • (2000) Am J Respir Crit Care Med , vol.162 , pp. 246-251
    • Bloch, K.E.1    Iseli, A.2    Zhang, J.N.3
  • 11
    • 0030433708 scopus 로고    scopus 로고
    • The mandibular repositioning device: Role in the treatment of obstructive sleep apnea
    • Menn SJ, Loube DI, Morgan TD, et al: The mandibular repositioning device: role in the treatment of obstructive sleep apnea. Sleep 19: 794-800, 1996
    • (1996) Sleep , vol.19 , pp. 794-800
    • Menn, S.J.1    Loube, D.I.2    Morgan, T.D.3
  • 12
    • 0034988398 scopus 로고    scopus 로고
    • A randomized, controlled study of a mandibular advancement splint for obstructive sleep apnea
    • Mehta A, Qian J, Petocz P, et al: A randomized, controlled study of a mandibular advancement splint for obstructive sleep apnea. Am J Respir Crit Care Med 163: 1457-1461, 2001
    • (2001) Am J Respir Crit Care Med , vol.163 , pp. 1457-1461
    • Mehta, A.1    Qian, J.2    Petocz, P.3
  • 13
    • 0036616173 scopus 로고    scopus 로고
    • Mandibular advancement appliances and obstructive sleep apnoea: A randomized clinical trial
    • Johnston CD, Gleadhill IC, Cinnamond MJ, et al: Mandibular advancement appliances and obstructive sleep apnoea: a randomized clinical trial. Eur J Orthod 24: 251-262, 2002
    • (2002) Eur J Orthod , vol.24 , pp. 251-262
    • Johnston, C.D.1    Gleadhill, I.C.2    Cinnamond, M.J.3
  • 14
    • 4143056957 scopus 로고    scopus 로고
    • Oral appliance therapy reduces blood pressure in obstructive sleep apnea: A randomized, controlled trial
    • Gotsopoulos H, Kelly JJ, Cistulli PA: Oral appliance therapy reduces blood pressure in obstructive sleep apnea: a randomized, controlled trial. Sleep 27: 934-941, 2004
    • (2004) Sleep , vol.27 , pp. 934-941
    • Gotsopoulos, H.1    Kelly, J.J.2    Cistulli, P.A.3
  • 15
    • 0025234906 scopus 로고
    • Blood pressure, stroke, and coronary heart disease. Part 1, Prolonged differences in blood pressure: Prespective observational studies corrected for the regression dilution bias
    • MacMahon S, Peto R, Cutler J, et al: Blood pressure, stroke, and coronary heart disease. Part 1, Prolonged differences in blood pressure: prespective observational studies corrected for the regression dilution bias. Lancet 335: 765-774, 1990
    • (1990) Lancet , vol.335 , pp. 765-774
    • MacMahon, S.1    Peto, R.2    Cutler, J.3
  • 16
    • 0025347391 scopus 로고
    • Blood pressure, stroke and coronary heart disease. Part 2, short-term reductions in blood pressure: Overview of randomised drug trials in their epidemiological context
    • Collins R, Peto R, MacMahon S, et al: Blood pressure, stroke and coronary heart disease. Part 2, short-term reductions in blood pressure: overview of randomised drug trials in their epidemiological context. Lancet 335: 827-838, 1990
    • (1990) Lancet , vol.335 , pp. 827-838
    • Collins, R.1    Peto, R.2    MacMahon, S.3
  • 17
    • 0035132074 scopus 로고    scopus 로고
    • Randomized placebo-controlled trial of continuous positive airway pressure on blood pressure in the sleep apnea-hypopnea syndrome
    • Faccenda JF, Mackay TW, Boon NA, Douglas NJ: Randomized placebo-controlled trial of continuous positive airway pressure on blood pressure in the sleep apnea-hypopnea syndrome. Am J Respir Crit Care Med 163: 344-348, 2001
    • (2001) Am J Respir Crit Care Med , vol.163 , pp. 344-348
    • Faccenda, J.F.1    Mackay, T.W.2    Boon, N.A.3    Douglas, N.J.4
  • 18
    • 0037132846 scopus 로고    scopus 로고
    • Ambulatory blood pressure after therapeutic and subtherapeutic nasal continuous positive airway pressure for obstructive sleep apnoea: A randomised parallel trial
    • Pepperell JC, Ramdassingh-Dow S, Crosthwaite N, et al: Ambulatory blood pressure after therapeutic and subtherapeutic nasal continuous positive airway pressure for obstructive sleep apnoea: a randomised parallel trial. Lancet 359: 204-210, 2002
    • (2002) Lancet , vol.359 , pp. 204-210
    • Pepperell, J.C.1    Ramdassingh-Dow, S.2    Crosthwaite, N.3
  • 19
    • 0037422591 scopus 로고    scopus 로고
    • Effect of nasal continuous positive airway pressure treatment on blood pressure in patients with obstructive sleep apnea
    • Becker HF, Jerrentrup A, Ploch T, et al: Effect of nasal continuous positive airway pressure treatment on blood pressure in patients with obstructive sleep apnea. Circulation 107: 68-73, 2003
    • (2003) Circulation , vol.107 , pp. 68-73
    • Becker, H.F.1    Jerrentrup, A.2    Ploch, T.3
  • 20
    • 0033978496 scopus 로고    scopus 로고
    • Effect of continuous positive airway pressure on blood pressure: A placebo trial
    • Dimsdale JE, Loredo JS, Profant J: Effect of continuous positive airway pressure on blood pressure: a placebo trial. Hypertension 35: 144-147, 2000
    • (2000) Hypertension , vol.35 , pp. 144-147
    • Dimsdale, J.E.1    Loredo, J.S.2    Profant, J.3
  • 21
    • 0035811234 scopus 로고    scopus 로고
    • Treatment with continuous positive airway pressure is not effective in patients with sleep apnea but no daytime sleepiness: A randomized, controlled trial
    • Barbe F, Mayoralas LR, Duran J, et al: Treatment with continuous positive airway pressure is not effective in patients with sleep apnea but no daytime sleepiness: a randomized, controlled trial. Ann Intern Med 134: 1015-1023, 2001
    • (2001) Ann Intern Med , vol.134 , pp. 1015-1023
    • Barbe, F.1    Mayoralas, L.R.2    Duran, J.3
  • 22
    • 0036724440 scopus 로고    scopus 로고
    • Oral appliance therapy improves symptoms in obstructive sleep apnea: A randomized, controlled trial
    • Gotsopoulos H, Chen C, Qian J, Cistulli PA: Oral appliance therapy improves symptoms in obstructive sleep apnea: a randomized, controlled trial. Am J Respir Crit Care Med 166: 743-748, 2002
    • (2002) Am J Respir Crit Care Med , vol.166 , pp. 743-748
    • Gotsopoulos, H.1    Chen, C.2    Qian, J.3    Cistulli, P.A.4
  • 24
    • 0033584003 scopus 로고    scopus 로고
    • Comparison of therapeutic and subtherapeutic nasal continuous positive airway pressure for obstructive sleep apnea: A randomized prospective parallel trial
    • Jenkinson C, Davies RJ, Mullins R, Stradling JR: Comparison of therapeutic and subtherapeutic nasal continuous positive airway pressure for obstructive sleep apnea: a randomized prospective parallel trial. Lancet 353: 2100-2105, 1999
    • (1999) Lancet , vol.353 , pp. 2100-2105
    • Jenkinson, C.1    Davies, R.J.2    Mullins, R.3    Stradling, J.R.4
  • 25
    • 0035132074 scopus 로고    scopus 로고
    • Randomized placebo-controlled trial of continuous positive airway pressure on blood pressure in the sleep apnea-hypopnea syndrome
    • Faccenda JF, Mackay TW, Boon NA, Douglas NJ: Randomized placebo-controlled trial of continuous positive airway pressure on blood pressure in the sleep apnea-hypopnea syndrome. Am J Respir Crit Care Med 163: 344-348, 2001
    • (2001) Am J Respir Crit Care Med , vol.163 , pp. 344-348
    • Faccenda, J.F.1    Mackay, T.W.2    Boon, N.A.3    Douglas, N.J.4
  • 26
    • 0030066528 scopus 로고    scopus 로고
    • A randomized crossover study of an oral appliance vs nasal-continuous positive airway pressure in the treatment of mild-moderate obstructive sleep apnea
    • Ferguson KA, Ono T, Lowe AA, et al: A randomized crossover study of an oral appliance vs nasal-continuous positive airway pressure in the treatment of mild-moderate obstructive sleep apnea. Chest 109; 1269-1275, 1996
    • (1996) Chest , vol.109 , pp. 1269-1275
    • Ferguson, K.A.1    Ono, T.2    Lowe, A.A.3
  • 27
    • 0030927339 scopus 로고    scopus 로고
    • A short term controlled trial of an adjustable oral appliance for the treatment of mild to moderate obstructive sleep apnoea
    • Ferguson KA, Ono T, Lowe AA, et al: A short term controlled trial of an adjustable oral appliance for the treatment of mild to moderate obstructive sleep apnoea. Thorax 52: 362-368, 1997
    • (1997) Thorax , vol.52 , pp. 362-368
    • Ferguson, K.A.1    Ono, T.2    Lowe, A.A.3
  • 28
    • 0030009087 scopus 로고    scopus 로고
    • A crossover study comparing the efficacy of continuous positive airway pressure with anterior mandibular positioning devices on patients with obstructive sleep apnea
    • Clark G, Blumenfeld I, Yoffe N, et al: A crossover study comparing the efficacy of continuous positive airway pressure with anterior mandibular positioning devices on patients with obstructive sleep apnea. Chest 109: 1477-1483, 1996
    • (1996) Chest , vol.109 , pp. 1477-1483
    • Clark, G.1    Blumenfeld, I.2    Yoffe, N.3
  • 29
    • 0037106259 scopus 로고    scopus 로고
    • Randomized crossover trial of two treatments for sleep apnea/hypopnea syndrome: Continuous positive airway pressure and mandibular repositioning splint
    • Engleman HM, McDonald JP, Graham D, et al: Randomized crossover trial of two treatments for sleep apnea/hypopnea syndrome: continuous positive airway pressure and mandibular repositioning splint. Am J Respir Crit Care Med 166: 855-859, 2002
    • (2002) Am J Respir Crit Care Med , vol.166 , pp. 855-859
    • Engleman, H.M.1    McDonald, J.P.2    Graham, D.3
  • 30
    • 0036040923 scopus 로고    scopus 로고
    • An individually adjustable oral appliance vs continuous positive airway pressure in mild-to moderate obstructive sleep apnea syndrome
    • Randerath WJ, Heise M, Hinz R, Ruehle K-H: An individually adjustable oral appliance vs continuous positive airway pressure in mild-to moderate obstructive sleep apnea syndrome. Chest 122: 569-575, 2002
    • (2002) Chest , vol.122 , pp. 569-575
    • Randerath, W.J.1    Heise, M.2    Hinz, R.3    Ruehle, K.-H.4
  • 31
    • 0036614932 scopus 로고    scopus 로고
    • Mandibular advancement splints and continuous positive airway pressure in patients with obstructive sleep apnoea: A randomized cross-over trial
    • Tan Y, L'Estrange P, Luo Y, et al: Mandibular advancement splints and continuous positive airway pressure in patients with obstructive sleep apnoea: a randomized cross-over trial. Eur J Orthod 24: 239-249, 2002
    • (2002) Eur J Orthod , vol.24 , pp. 239-249
    • Tan, Y.1    L'Estrange, P.2    Luo, Y.3
  • 32
    • 4444355154 scopus 로고    scopus 로고
    • Efficacy of positive airway pressure and oral appliance in mild to moderate obstructive sleep apnea
    • Barnes M, McEvoy RD, Banks S, et al: Efficacy of positive airway pressure and oral appliance in mild to moderate obstructive sleep apnea. Am J Respir Crit Care Med 170: 656-664, 2004
    • (2004) Am J Respir Crit Care Med , vol.170 , pp. 656-664
    • Barnes, M.1    McEvoy, R.D.2    Banks, S.3
  • 33
    • 0032794518 scopus 로고    scopus 로고
    • A prospective randomized study of a dental appliance compared with uvulopalatopharyngoplasty in the treatment of obstructive sleep apnoea
    • Wilhelmsson B, Tegelberg A, Walker-Engstrom ML, et al: A prospective randomized study of a dental appliance compared with uvulopalatopharyngoplasty in the treatment of obstructive sleep apnoea. Acta Otolaryngol 119: 503-509, 1999
    • (1999) Acta Otolaryngol , vol.119 , pp. 503-509
    • Wilhelmsson, B.1    Tegelberg, A.2    Walker-Engstrom, M.L.3
  • 34
    • 0036204779 scopus 로고    scopus 로고
    • 4-Year follow-up of treatment with dental appliance or uvulopalatopharyngoplasty in patients with obstructive sleep apnea: A randomized study
    • Walker-Engstrom ML, Tegelberg A, Wilhelmsson B, Ringqvist I: 4-year follow-up of treatment with dental appliance or uvulopalatopharyngoplasty in patients with obstructive sleep apnea: a randomized study. Chest 121: 739-746, 2002
    • (2002) Chest , vol.121 , pp. 739-746
    • Walker-Engstrom, M.L.1    Tegelberg, A.2    Wilhelmsson, B.3    Ringqvist, I.4
  • 35
    • 0029988824 scopus 로고
    • The efficacy of surgical modifications of the upper airway in adults with obstructive sleep apnea syndrome
    • Sher AE, Schechtman KB, Piccirillo JF: The efficacy of surgical modifications of the upper airway in adults with obstructive sleep apnea syndrome. Sleep 19: 156-177, 1995
    • (1995) Sleep , vol.19 , pp. 156-177
    • Sher, A.E.1    Schechtman, K.B.2    Piccirillo, J.F.3
  • 36
    • 0033559846 scopus 로고    scopus 로고
    • Dental side effects of an oral device to treat snoring and obstructive sleep apnea
    • Pantin CC, Hillman DR, Tennant M: Dental side effects of an oral device to treat snoring and obstructive sleep apnea. Sleep 22: 237-240, 1999
    • (1999) Sleep , vol.22 , pp. 237-240
    • Pantin, C.C.1    Hillman, D.R.2    Tennant, M.3
  • 37
    • 0035447005 scopus 로고    scopus 로고
    • Side effects of mandibular advancement devices for sleep apnea treatment
    • Fritsch KM, Iseli A, Russi EW, Bloch KE: Side effects of mandibular advancement devices for sleep apnea treatment. Am J Respir Crit Care Med 164: 813-818, 2001
    • (2001) Am J Respir Crit Care Med , vol.164 , pp. 813-818
    • Fritsch, K.M.1    Iseli, A.2    Russi, E.W.3    Bloch, K.E.4
  • 38
    • 0036384354 scopus 로고    scopus 로고
    • Occlusal and skeletal effects of an oral appliance in the treatment of obstructive sleep apnea
    • Rose EC, Staats R, Virchow C Jr, Jonas IE: Occlusal and skeletal effects of an oral appliance in the treatment of obstructive sleep apnea. Chest 122: 871-877, 2002
    • (2002) Chest , vol.122 , pp. 871-877
    • Rose, E.C.1    Staats, R.2    Virchow Jr., C.3    Jonas, I.E.4
  • 39
    • 0242304967 scopus 로고    scopus 로고
    • Dental and occlusal changes during mandibular advancement splint therapy in sleep disordered patients
    • Robertson C, Herbison P, Harkness M: Dental and occlusal changes during mandibular advancement splint therapy in sleep disordered patients. Eur J Orthod 25: 371-376, 2003
    • (2003) Eur J Orthod , vol.25 , pp. 371-376
    • Robertson, C.1    Herbison, P.2    Harkness, M.3
  • 40
    • 2442597790 scopus 로고    scopus 로고
    • Mandibular advancement titration for obstructive sleep apnea: Optimization of the procedure by combining clinical and oximetric parameters
    • Fleury B, Rakotonanahary D, Petelle B, et al: Mandibular advancement titration for obstructive sleep apnea: optimization of the procedure by combining clinical and oximetric parameters. Chest 125: 1761-1767, 2004
    • (2004) Chest , vol.125 , pp. 1761-1767
    • Fleury, B.1    Rakotonanahary, D.2    Petelle, B.3
  • 41
    • 4444239715 scopus 로고    scopus 로고
    • Remotely controlled mandibular positioner predicts efficacy of oral appliances in sleep apnea
    • Tsai WH, Vazquez JC, Oshima T, et al: Remotely controlled mandibular positioner predicts efficacy of oral appliances in sleep apnea. Am J Respir Crit Care Med 170: 366-370, 2004
    • (2004) Am J Respir Crit Care Med , vol.170 , pp. 366-370
    • Tsai, W.H.1    Vazquez, J.C.2    Oshima, T.3
  • 42
    • 0037090810 scopus 로고    scopus 로고
    • One-night mandibular advancement titration for obstructive sleep apnea syndrome: A pilot study
    • Petelle B, Vincent G, Gagnadoux F, et al: One-night mandibular advancement titration for obstructive sleep apnea syndrome: a pilot study. Am J Respir Crit Care Med 165: 1150-1153, 2002
    • (2002) Am J Respir Crit Care Med , vol.165 , pp. 1150-1153
    • Petelle, B.1    Vincent, G.2    Gagnadoux, F.3
  • 43
    • 0037518461 scopus 로고    scopus 로고
    • The role of oral appliance therapy in the treatment of obstructive sleep apnea
    • Ferguson KA: The role of oral appliance therapy in the treatment of obstructive sleep apnea. Clin Chest Med 24: 355-364, 2003
    • (2003) Clin Chest Med , vol.24 , pp. 355-364
    • Ferguson, K.A.1
  • 44
    • 0029142838 scopus 로고
    • Practice parameters for the treatment of snoring and obstructive sleep apnea with oral appliances
    • American Sleep Disorders Association. Practice parameters for the treatment of snoring and obstructive sleep apnea with oral appliances. Sleep 18: 511-513, 1995
    • (1995) Sleep , vol.18 , pp. 511-513
  • 45
    • 2142749568 scopus 로고    scopus 로고
    • A prospective randomized study comparing two different degrees of mandibular advancement with a dental appliance in treatment of severe obstructive sleep apnea
    • Walker-Engstrom ML, Ringqvist I, Vestling O, et al: A prospective randomized study comparing two different degrees of mandibular advancement with a dental appliance in treatment of severe obstructive sleep apnea. Sleep Breath 7: 119-130, 2003
    • (2003) Sleep Breath , vol.7 , pp. 119-130
    • Walker-Engstrom, M.L.1    Ringqvist, I.2    Vestling, O.3
  • 46
    • 0036683627 scopus 로고    scopus 로고
    • Mandibular advancement devices: Rate of contraindications in 100 consecutive obstructive sleep apnea patients
    • Petit FX, Pepin JL, Bettega G, et al: Mandibular advancement devices: rate of contraindications in 100 consecutive obstructive sleep apnea patients. Am J Respir Crit Care Med 166: 274-278, 2002
    • (2002) Am J Respir Crit Care Med , vol.166 , pp. 274-278
    • Petit, F.X.1    Pepin, J.L.2    Bettega, G.3


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