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J. Deen, Y. Vandevivere, and P. Van-de-putte, Challenges in the anesthetic management of ambulatory patients in the MRI suites, Curr Opin Anaesthesiol, vol.30, issue.6, pp.670-675, 2017.

M. Sury, H. Harker, J. Begent, and W. K. Chong, The management of infants and children for painless imaging, Clin Radiol, vol.60, issue.7, pp.731-772, 2005.

L. Schulte-uentrop and M. S. Goepfert, Anaesthesia or sedation for MRI in children, Curr Opin Anaesthesiol, vol.23, issue.4, pp.513-520, 2010.

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M. Sury, H. Harker, J. Begent, and W. K. Chong, The management of infants and children for painless imaging, Clin Radiol, vol.60, issue.7, pp.731-772, 2005.

L. Schulte-uentrop and M. S. Goepfert, Anaesthesia or sedation for MRI in children, Curr Opin Anaesthesiol, vol.23, issue.4, pp.513-520, 2010.

C. J. Coté, S. Wilson, A. Academy-of, A. Pediatrics, . Academy et al., Guidelines for Monitoring and Management of Pediatric Patients Before, During, and After Sedation for Diagnostic and Therapeutic Procedures: Update, Pediatrics, vol.138, issue.1, 2016.

M. Bordes, F. Semjen, A. Sautereau, E. Nossin, I. Benoit et al., Which anaesthesia for children undergoing MRI? An

, Ann Fr Anesth Reanim, vol.26, issue.4, pp.287-91, 2007.

K. P. Mason, Sedation trends in the 21st century: the transition to dexmedetomidine for radiological imaging studies, Paediatr Anaesth, vol.20, issue.3, pp.265-72, 2010.

S. Meyer, U. Grundmann, S. Gottschling, S. Kleinschmidt, and L. Gortner, Sedation and analgesia for brief diagnostic and therapeutic procedures in children, Eur J Pediatr, vol.166, issue.4, pp.291-302, 2007.

D. B. Andropoulos, Effect of Anesthesia on the Developing Brain: Infant and Fetus, Fetal Diagn Ther, vol.43, issue.1, pp.1-11, 2018.

V. Jevtovic-todorovic, R. E. Hartman, Y. Izumi, N. D. Benshoff, K. Dikranian et al., Early exposure to common anesthetic agents causes widespread neurodegeneration in the developing rat brain and persistent learning deficits, J Neurosci Off J Soc Neurosci, vol.23, issue.3, pp.876-82, 2003.

D. B. Andropoulos and M. F. Greene, Anesthesia and Developing Brains -Implications of the FDA Warning, N Engl J Med, vol.376, issue.10, pp.905-912, 2017.

F. J. Schneuer, J. P. Bentley, A. J. Davidson, A. J. Holland, N. Badawi et al., The impact of general anesthesia on child development and school performance: a population-based study

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P. P. Kamat, S. R. Kudchadkar, and H. K. Simon, Sedative and Anesthetic Neurotoxicity in Infants and Young Children: Not Just an Operating Room Concern, J Pediatr, vol.204, pp.285-90, 2019.

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, Update Session on Clinical Neurotoxicity Studies: J Neurosurg Anesthesiol, vol.28, issue.4, pp.356-60, 2016.

D. O. Warner, M. J. Zaccariello, S. K. Katusic, D. R. Schroeder, A. C. Hanson et al., Neuropsychological and Behavioral Outcomes after Exposure of Young Children to Procedures Requiring General Anesthesia: The Mayo Anesthesia Safety in Kids (MASK) Study, Anesthesiology, vol.129, issue.1, pp.89-105, 2018.

O. A. Olutoye, B. W. Baker, M. A. Belfort, and O. O. Olutoye, Food and Drug Administration warning on anesthesia and brain development: implications for obstetric and fetal surgery, Am J Obstet Gynecol, vol.218, issue.1, pp.98-102, 2018.

C. E. Sottas and B. J. Anderson, Dexmedetomidine: the new all-in-one drug in paediatric anaesthesia?, Curr Opin Anaesthesiol, vol.30, issue.4, pp.441-51, 2017.

S. S. Ahmed, T. Unland, J. E. Slaven, and M. E. Nitu, High dose dexmedetomidine: effective as a sole agent sedation for children undergoing MRI, Int J Pediatr, p.397372, 2015.

S. P. Mcmorrow and T. J. Abramo, Dexmedetomidine sedation: uses in pediatric procedural sedation outside the operating room, Pediatr Emerg Care, vol.28, issue.3, pp.292-298, 2012.

G. Olgun and M. H. Ali, Use of Intranasal Dexmedetomidine as a Solo Sedative for MRI of Infants, Hosp Pediatr, 2018.

M. Z. Plambech and A. Afshari, Dexmedetomidine in the pediatric population: a review, Minerva Anestesiol, vol.81, issue.3, pp.320-352, 2015.

J. W. Berkenbosch, P. C. Wankum, and J. D. Tobias, Prospective evaluation of dexmedetomidine for noninvasive procedural sedation in children, Pediatr Crit Care Med J, vol.6, issue.4, pp.435-444, 2005.

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, « Par délibération de son Conseil en date du 10 Novembre 1972, l'Université n'entend donner aucune approbation ni improbation aux opinions émises dans les thèses ou mémoires. Ces opinions doivent être considérées comme propres à leurs auteurs