1-Cranfield KA, Bromley LM. Minimum alveolar concentration of desflurane for tracheal extubation in deeply anaesthetized, unpremedicated children. Br J Anaesth. 1997; 78:370–1.
2-Hartely M,Vaughan RS. Proplems with tracheal extubation. Br J Anaesthesia 1993; 71:561-8.
3- Lowrie A, Johnston PL, Fell D, Robinson SL. Cardiovascular and plasma catecholamine responses at tracheal extubation. Br J Anaesth. 1992;68:261–3.
4- Gefke K, Andersen LW, Friesel E. Lidocaine given intravenously as a suppressant of cough and laryngospasm in connection with extubation after tonsillectomy. Acta Anaesthesiol Scand. 1983;27:111–2.
5- Nishina K, Mikawa K, Maekawa N, Obara H. Fentanyl attenuates cardiovascular responses to tracheal extubation. Acta Anaesthesiol Scand. 1995; 39:85–9.
6- Aouad MT, Al-Alami AA, Nasr VG, Souki FG, Zbeidy RA, Siddik-Sayyid SM. The effect of low-dose remifentanil on responses to the endotracheal tube during emergence from general anesthesia. Anesth Analg. 2009; 108:1157–60.
7- Lim SH, Chin NM, Tai HY, Wong M, Lin TK. Prophylactic esmolol infusion for the control of cardiovascular responses to extubation after intracranial surgery. Ann Acad Med Singapore. 2000; 29:447–51.
8- Jee D, Park SY. Lidocaine sprayed down the endotracheal tube attenuates the airway-circulatory reflexes by local anesthesia during emergence and extubation. Anesth Analg. 2003; 96:293–7.
9- Jain D, Khan R, Maroof M. Effect of dexmeditomidine on stress response to extubation. Internet J Anaesthesiol. 2008;21:21–2.
- Hug CC Jr, McLeskey CH, Nahrwold ML, Roizen MF, Stanley TH, Thisted RA, et al. Hemodynamic effects of propofol: data from over 25,000 patients. Anesth Analg 1993;77(4):S21–9.
- Bassett KE, Anderson JL, et al. Propofol for procedural sedation in children in the emergency department. Ann Emerg Med 2003;42:773–82.
- Arora S. Combining ketamine and propofol (‘‘ketofol’’) for emergency department procedural sedation and analgesia: a review. West J Emerg Med 2008;9(1):20
13.Strayer RJ, Nelson LS. Adverse events associated with ketamine for procedural sedation in adults. Am J Emerg Med 2008;26:985–1028
14.Morgan GE, Mikhail MS, Murray MJ. Nonvolatile anesthetic agents. Clin Anesthesiology 2002;8:151–77, 3rd ed.
- Aboeldahab H, Samir R, Hosny H, Omar A. Comparative study between propof, ketamine and their combination (ketofol) as an induction agent. Egyptian Journal of Anaesthesia 2011;27:145-150
16- ELZayyat NS , Hassan AR, ELSakka AI, Saad AH. Ketamine/propofol (ketofol) versus propofol/fentanyl for induction of general anesthesia in parturients with rheumatic valvular lesions undergoing elective cesarean section. The Egyptian Journal of Cardiothoracic Anesthesia 2013; 7:79-84
17- Aberra B, Aregawi A, Teklay G, Tasew H .Effect of ketofol versus propofol as an induction agent on ease of laryngeal mask airway insertion conditions and hemodynamic stability in pediatrics: an observational prospective cohort study. BMC Anesthesiology 2019; 19:41
18-Rani P, Hemanth Kumar VR, Ravishankar M, Sivashanmugam T, Sripria R, Trilogasundary M. Rapid and reliable smooth extubation-comparison of fentanyl with dexmedetomidine: A randomized, double blind clinical trial. Anesth essays Res 2016; 10 (3):597-601.
19- Jalili S, Esmaeeili A, Kamali K, Rashtchi V. Comparison of effects of propofol and ketofol (Ketamine-Propofol mixture ( on emergence agitation in children undergoing tonsillectomy. Afri Health Sci 2019; 19(1): 1736-1744.
20-kim ES, Bishop MJ. Cough during emergence from isoflurane anesthesia. Anesth Analg 1998; 87: 1170-4.
21-Orser BA, Pennefather PS, MacDonald JF. Multiple mechanisms of ketamine blockade of N-methyl-D-aspartate receptors. Anesthesiology: The Journal of the American Society of Anesthesiologists. 1997; 86(4):903-17.