Somchai Amornyotin
Somchai Amornyotin, MD, FRCAT
Associate Professor of Anesthesiology

Mahidol University
Thailand

Education

1993-1996 Residency in Anesthesiology Department of Anesthesiology, Siriraj Hospital,
Mahidol University,
Bangkok, THAILAND
1989-1993 General Practitioner Laokwan Hospital and Chaokhunphaiboon Hospital
Kanchanaburi, THAILAND

 

Biography

Dr. Somchai Amornyotin graduated at the Faculty of Medicine Siriraj Hospital, Mahidol University in 1989. He became the staff of the Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand in 1996. Until 2004 he became the associate professor of the Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University. From 2005 until 2009 he was the chief of Anesthesiology Division of Siriraj GI Endoscopy Center, Faculty of Medicine Siriraj Hospital, Mahidol University. His first scientific paper was published in Thailand in 1999.

He has practiced anesthesia for gastrointestinal endoscopy since 2002. He was the committee of Siriraj GI Endoscopy Center, Faculty of Medicine Siriraj Hospital in 2005. More than 50 of his articles have been published in Thai and international medical journals. Dr. Amornyotin is a member of the Royal College of Anesthesiologists of Thailand, the Gastroenterological Association of Thailand and many scientific societies. He is the reviewer and editor of many international journals. 

 

Research Interest

  1. Anesthesia for gastrointestinal endoscopy
  2. Total intravenous sedation (TIVA)
  3. Target controlled infusion (TCI)
  4. Sedation for pediatric patients
  5. Anesthesia outside the operating room
  6. Ambulatory anesthesia
  7. Airway management
  8. Acute postoperative pain management

 

Professional Activities:

  1. Siriraj Innovator 2009, “XYLI-SHOT: Reusable plastic bottle containing topical anesthetic agents”
  2. IBC TOP 100 Health Professional-2010 from International Biographical Centre, Cambridge, England
  3. Siriraj Innovator 2010, “Head pillow for gastrointestinal endoscopy procedure”
  4. The International Hippocrates Award for Medical Achievement-2011 “Iconic Achievers” from International Biographical Centre, Cambridge, England
  5. Award for the promotion of NarcotrendTM in Asia Pacific Region 2011
  6. 2000 Outstanding Intellectuals of the 21st Century 2012 from International Biographical Centre, Cambridge, England
  7. 2nd winner award of the best research paper of the anesthetic nurses of the Royal College of Anesthesiologist of Thailand Annual Meeting 2012 at 50 years Building, February 25-26, 2012, Bangkok, Thailand “The assessment tool for performance skill and knowledge on airway management with mask ventilation by anesthetic nurse students.”
  8. Book Editor of InTech, Croatia, “Endoscopy I and II” 2012
  9. Member of the 30th Pearl Anniversary Edition of Who’s Who in the World 2013
  10. 2000 Outstanding Intellectuals of the 21st Century-2013-from International Biographical Centre, Cambridge, England
  11. Who's Who in the World 2014
  12. Member of Asian Council of Science Editors (ACSE)
  13. Who's Who in the World 2015
  14. Siriraj Innovator 2009, “XYLI-SHOT: Reusable plastic bottle containing topical anesthetic agents”
  15. IBC TOP 100 Health Professional-2010 from International Biographical Centre, Cambridge, England

 

Publications

  1. Amornyotin S, Chalayonnavin V, Kongphlay S. Recovery pattern and home- readiness after gastrointestinal endoscopy. ASEAN Journal of Anaesthesiology 2007; 8: A4.
  2. Amornyotin S, Vallisut T, Kunanont  N, Chalayonnavin W, Permpholprasert L. A comparison of clinical use of the Macintosh and Miller laryngoscopes for orotracheal intubation by second-month nurse students in anesthesiology. Siriraj Medical Journal 2008; 60 (Suppl 1): A35.
  3. Amornyotin S, Aanpreung P, Prakanrattana U, Chalayonnavin W, Chatchawankitkul S, Srikureja W. Experience of intravenous sedation for pediatric gastrointestinal endoscopy in a large tertiary referral center in a developing country. ASEAN Journal of Anaesthesiology 2009; 10 (Suppl 1): P72.
  4. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S. Clinical efficacy of diluted and undiluted propofol for endoscopic retrograde cholangiopancreatography: a comparison between clinical assessment and NarcotrendTM monitoring. ASEAN Journal of Anaesthesiology 2009; 10 (Suppl 1): P100.
  5. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S, Chatchawankitkul S. A clinical trial of topical viscous lidocaine solution versus lidocaine spray for pharyngeal anesthesia in unsedated esophagogastroduodenoscopy. Joint Conference in Medical Sciences 2009; PO-32.
  6. Amornyotin S, Phasurin T, Wongnuch P, Akaraviputh T. Pain intensity after early post-ERCP procedure. ASEAN Journal of Anaesthesiology 2009; 10 (Suppl 1): P80.
  7. Amornyotin S, Chalayonnavin W, Kongphlay S. Assisted sedation for percutaneous endoscopic gastrostomy procedure in a developing country: a descriptive cohort study. ASEAN Journal of Anaesthesiology 2009; 10 (Suppl 1): P99.
  8. Amornyotin S, Prakanrattana U, Vichitvejpaisal P,Vallisut T, Kunanont N, Chalayonnavin W, Permpholprasert L. A comparison of clinical use of the Macintosh and Miller laryngoscopes for orotracheal intubation by second-month nurse students in anesthesiology. ASEAN Journal of Anaesthesiology 2009; 10 (Suppl 1): P6.
  9. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S, Chatchawankitkul S. A clinical trial of topical viscous lidocaine solution versus lidocaine spray for pharyngeal anesthesia in unsedated esophagogastroduodenoscopy. ASEAN Journal of Anaesthesiology 2009; 10 (Suppl 1): P14.
  10. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S, Chatchawankitkul S. A clinical trial of topical viscous lidocaine solution versus lidocaine spray for pharyngeal anesthesia in unsedated esophagogastroduodenoscopy. Endoscopy 2009; 41 (Suppl 1): A46.
  11. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S. Dose requirement and complication of diluted and undiluted propofol for deep sedation for endoscopic retrograde cholangiopancreatography. Gastroenterology 2010; 138 (Suppl 1): S-162.
  12. Amornyotin S, Prakanrattana U, Chalayonnavin W, Kongphlay S. Brief advice offered by anesthetic personnel to encourage smoking cessation in ambulatory endoscopic patients. ASEAN Journal of Anaesthesiology 2010; 11 (Suppl 1): AP02-1.
  13. Amornyotion S, Prakanrattana U, Kachintorn U, Chalayonnavin  W, Kongphlay S. Propofol based sedation does not increase rate of perforation during colonoscopic procedure. ASEAN Journal of Anaesthesiology 2010; 11 (Suppl 1): AP19-4.
  14. Amornyotin S, Phasurin T, Wongnuch P. Pain score after early post-ERCP: a comparison between general anesthesia and intravenous sedation technique. ASEAN Journal of Anaesthesiology 2010; 11 (Suppl 1): AP35-3.
  15. Amornyotin S, Chalayonnavin W, Kongphlay S. Assisted sedation for endoscopic gastrostomy procedure in sick patients in a developing country. ASEAN Journal of Anaesthesiology 2010; 11 (Suppl 1): AP36-5.
  16. Amornyotin S, Prakanrattana U, Chalayonnavin W, Kongphlay S. The correlation between tobacco use and gastrointestinal abnormalities in patients undergoing endoscopic procedures. ASEAN Journal of Anaesthesiology 2010; 11 (Suppl 1): AP47-1.
  17. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S. Intravenous sedation with midazolam and fentanyl versus propofol and pethidine in colonoscopy: a prospective, randomized study. European Journal of Anaesthesiology 2010; 27 (Suppl 47): 37 (2AP2-1).
  18. Amornyotin S, Prakanrattana U, Kachintorn U, Chalayonnavin W, Kongphlay S. Propofol based sedation does not increase rate of perforation during colonoscopy. European Journal of Anaesthesiology 2010; 27 (Suppl 47): 37 (2AP2-2).
  19. Amornyotin S, Chalayonnavin W, Kongphlay S. Clinical efficacy of low dose parecoxib for endoscopic retrograde cholangiopancreatography. Regional Anesthesia and Pain Medicine 2010; 35: E63. [DOI: 10.1097/AAP.0b013e3181f3582c]
  20. Amornyotin S, Akaraviputh T. Pain score after therapeutic-endoscopic retrograde cholangiopancreatography: a comparison between pre-cutting papillotomy and conventional sphincterotomy. Regional Anesthesia and Pain Medicine 2010; 35: E62. [DOI: 10.1097/AAP.0b013e3181f3582c]
  21. Amornyotin S, Chalayonnavin W, Kongphlay S. Pre-procedure administration of parecoxib for endoscopic retrograde cholangiopancreatography. Regional Anesthesia and Pain Medicine 2010; 35: E63. [DOI: 10.1097/AAP.0b013e3181f3582c]
  22. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S. Intravenous sedation with midazolam and fentanyl versus propofol and meperidine in colonoscopy: a prospective, randomized study. Endoscopy 2010; 42 (Suppl I): A149.
  23. Amornyotin S, Srikureja W, Chalayonnavin W, Kongphlay S. Dose requirement and complication of diluted and undiluted propofol for deep sedation for endoscopic retrograde cholangiopancreatography. Endoscopy 2010; 42 (Suppl I): A155.
  24. Amornyotin S, Chalayonnavin W, Kongphlay S. Pre-procedure administration of parecoxib for endoscopic retrograde cholangiopancreatography patients. Endoscopy 2010; 42 (Suppl I): A380.
  25. Amornyotin S, Kongphlay S. Pain score within twenty-four hours post-endoscopic ultrasonography: a comparison of imaging study with or without fine needle aspiration procedure. Hepatology International 2011; 5 (1): 513. [DOI: 10.1007/s12072-010-9241-z]
  26. Amornyotin S, Chalayonnavin W, Kongphlay S. Clinical efficacy of deep sedation for endoscopic retrograde cholangiopancreatography: a comparison between clinical assessment and NarcotrendTM monitoring. Hepatology International 2011; 5 (1): 513-4. [DOI: 10.1007/s12072-010-9241-z]
  27. Amornyotin S, Kachintorn U, Kongphlay S. Clinical efficacy of propofol-based deep sedation for ERCP and EUS procedures in geriatric patients in a developing country. Hepatology International 2011; 5 (1): 514. [DOI: 10.1007/s12072-010-9241-z]
  28. Amornyotin S, Kongphlay S. Parecoxib for analgesia after endoscopic retrograde cholangiopancreatography procedure. Hepatology International 2011; 5 (1): 514. [DOI: 10.1007/s12072-010-9241-z]
  29. Amornyotin S, Srikureja W, Pausawasdi N, Prakanrattana U, Kachintorn U. Experience of intravenous sedation for gastrointestinal endoscopy in extremely elderly patients in a teaching hospital in Thailand. Hepatology International 2011; 5 (1): 514-5. [DOI: 10.1007/s12072-010-9241-z]
  30. Amornyotin S, Aanpreung P. Deep sedation for therapeutic upper gastrointestinal endoscopy in pediatric patients in Thailand. Hepatology International 2011; 5 (1): 515. [DOI: 10.1007/s12072-010-9241-z]
  31. Amornyotin S, Chalayonnawin W, Kongphlay S. Deep sedation for endoscopic retrograde cholangiopancreatography: a comparison between clinical assessment and NarcotrendTM monitoring. Anesthesia and Analgesia 2011; 112 (5S): S-217. [DOI: 10.1213/01.ANE.0000403380.73932.6a]
  32. Amornyotin S, Chalayonnawin W, Kongphlay S. A comparison between experienced anesthetic nurse and anesthetic trainee administered propofol-based deep sedation for colonoscopic procedure. Journal of Gastroenterology and Hepatology 2011; 26 (Suppl 5): 16-288. [DOI: 10.1111/j.1440-1746.2011.06898.x]
  33. Amornyotin S, Chalayonnawin W, Kongphlay S. Adverse events of unsedated esophagogastroduodenoscopy in sick patients: the impact of topical pharyngeal anesthesia. Journal of Gastroenterology and Hepatology 2011; 26 (Suppl 5): 16-288. [DOI: 10.1111/j.1440-1746.2011.06898.x]
  34. Amornyotin S, Kachintorn U, Aapreung P, Kongphlay S. Clinical efficacy of deep sedation and general anesthesia for esophagogastroduodenoscopy procedure in pediatric patients in Thailand. Journal of Gastroenterology and Hepatology 2011; 26 (Suppl 5): 16-288. [DOI: 10.1111/j.1440-1746.2011.06898.x]
  35. Amornyotin S, Saivaew K, Vichitmala K, Chalayonnawin W. Pain within twenty-four hours post-endoscopic ultrasonography: a preliminary report. Journal of Gastroenterology and Hepatology 2011; 26 (Suppl 5): 16-288. [DOI: 10.1111/j.1440-1746.2011.06898.x]
  36. Amornyotin S, Kongphlay S. Propofol-based deep sedation for endoscopic retrograde cholangiopancreatography and endoscopic ultrasonography procedures in geriatric patients in Thailand. Journal of Gastroenterology and Hepatology 2011; 26 (Suppl 5): 16-288. [DOI: 10.1111/j.1440-1746.2011.06898.x]
  37. Amornyotin S, Kachintorn U, Kongphlay S. Propofol-based deep sedation for endoscopic retrograde cholangiopancreatography procedure in sick elderly patients in a developing country. Journal of Gastroenterology and Hepatology 2011; 26 (Suppl 5): 16-288. [DOI: 10.1111/j.1440-1746.2011.06898.x]
  38. Amornyotin S, Srikureja W, Chalayonnawin W, Kongphlay S. Clinical efficacy of the combination of propofol and ketamine versus propofol alone for deep sedation for colonoscopy. European Journal of Anaesthesiology 2011; 28 (Suppl 48) 23-4.
  39. Amornyotin S, Chalayonnawin W, Kongphlay S. Clinical efficacy of the combination of propofol and ketamine versus propofol alone for deep sedation for colonoscopy. European Journal of Anaesthesiology 2011; 28 (Suppl 48): 30.
  40. Amornyotin S, Chalayonnawin W, Kongphlay S. Adverse events of unsedated esophagogastroduodenoscopy in sick patients: the impact of topical pharyngeal anesthesia. Endoscopy 2011; 43 (Suppl I): A111.
  41. Amornyotin S, Chalayonnawin W, Kongphlay S. Pain score within twenty-four hours post-endoscopic ultrasonography: a comparison of diagnostic with or without fine needle aspiration procedure. Endoscopy 2011; 43: A123. [DOI: 10.1055/s-0031-1292194]
  42. Amornyotin S, Chalayonnawin W, Kongphlay S. Propofol-based deep sedation for endoscopic ultrasonography in sick patients in Thailand. Endoscopy 2011; 43: A124. [DOI: 10.1055/s-0031-1292195]
  43. Amornyotin S, Aanpreung P. Efficacy and safety of deep sedation for therapeutic upper gastrointestinal endoscopy in pediatric patients in a developing country. European Journal of Pain Supplements 2011; 5 (1): 60-1. [DOI: 10.1016/S1754-3207(11)70203-6]
  44. Amornyotin S, Chalayonnawin W, Kongphlay S. Pain score within twenty-four hours post-therapeutic endoscopic retrograde cholangiopancreatography does not depend on anesthetic technique. European Journal of Pain Supplements 2011; 5 (1): 63. [DOI: 10.1016/S1754-3207(11)70213-9]
  45. Amornyotin S, Chalayonnawin W, Kongphlay S. Adverse events of unsedated esophagogastroduodenoscopy in sick patients: the impact of topical pharyngeal anesthesia. European Journal of Pain Supplements 2011; 5 (1): 91. [DOI: 10.1016/S1754-3207(11)70308-X]
  46. Amornyotin S, Saivaew K, Vichitmala K. Pain score within twenty-four hours post-endoscopic ultrasonography procedure. European Journal of Pain Supplements 2011; 5 (1): 250. [DOI: 10.1016/S1754-3207(11)70865-3]
  47. Amornyotin S, Chalayonnawin W, Kongphlay S. Pain score within twenty-four hours post-therapeutic endoscopic retrograde cholangiopancreatography does not depend on anesthetic technique. Regional Anesthesia and Pain Medicine 2011; 36 (7): E267. [DOI: 10.1097/AAP.0b013e3182302f32]
  48. Amornyotin S, Chalayonnawin W, Kongphlay S. Clinical efficacy of the combination of propofol and ketamine versus propofol alone for deep sedation for colonoscopy. Gastrointestinal Endoscopy 2011; 73 (4): AB422. [DOI: 10.1016/j.gie.2011.03.971]
  49. Amornyotin S, Kachintorn U, Kongphlay S. Pain score within twenty-four hours post-therapeutic endoscopic retrograde cholangiopancreatography does not depend on anesthetic technique. Pain Medicine 2011; 12 (11): 1694-701. [DOI: 10.1111/j.1526-4637.2011.01269.x]
  50. Amornyotin S, Chalayonnawin W, Kongphlay S. Oxygen supplementation for propofol-based deep sedation for colonoscopy: a comparison between nasal cannula and face mask. British Journal of Anaesthesia 2012; 108 (Suppl 2): ii4-5. [DOI: 10.1093/bja/aer472]
  51. Amornyotin S, Kachintorn U, Chalayonnawin W, Kongphlay S. Adverse events of unsedated esophagogastroduodenoscopy in sick patients: the impact of topical pharyngeal anesthesia. British Journal of Anaesthesia 2012; 108 (Suppl 2): ii5. [DOI: 10.1093/bja/aer472]
  52. Amornyotin S, Kongphlay S. Anesthesia for enteroscopy procedure in a World Gastroenterology Organizing Training Center in Thailand. British Journal of Anaesthesia 2012; 108 (Suppl 2): ii315. [DOI: 10.1093/bja/aer487]  
  53. Amornyotin S, Kachintorn U, Chalayonnawin W, Kongphlay S. A comparison between experienced anesthetic nurse and anesthetic trainee administered propofol-based deep sedation for colonoscopic procedure. British Journal of Anaesthesia 2012; 108 (Suppl 2): ii315-6. [DOI: 10.1093/bja/aer487]
  54. Amornyotin S, Chalayonnawin W, Kongphlay S. Deep sedation for colonoscopy in overweight patients: a comparison between propofol alone versus propofol and ketamine. Journal of Physiological and Biomedical Sciences 2012; 25 (1): 62.
  55. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate during and immediately after propofol-based deep sedation for colonoscopy in marked obesity patients. Journal of Physiological and Biomedical Sciences 2012; 25 (1): 63.
  56. Amornyotin S, Kongphlay S. Propofol deep sedation for small bowel enteroscopy procedure in elderly patients in a developing country. Anesthesia & Analgesia 2012; 113: S281.
  57. Amornyotin S, Kongphlay S. Propofol deep sedation for elderly patients: a comparison between EUS with or without fine needle aspiration procedure. Anesthesia & Analgesia 2012; 113: S282.
  58. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate and alteration of blood pressure and heart rate after unsedated esophagogastroduodenoscopy in elderly patients. Anesthesia & Analgesia 2012; 113: S283.
  59. Amornyotin S, Chalayonnawin W, Kongphlay S. Clinical efficacy of the combination of propofol and ketamine (ketofol) for deep sedation for colonoscopic procedure. Anesthesia & Analgesia 2012; 114: S450.
  60. Amornyotin S, Kongphlay S. Deep sedation for colonoscopy in overweight patients: a comparison between propofol alone versus propofol and ketamine. Anesthesia & Analgesia 2012; 114: S451. [DOI: 10.1213/01.ane.0000431534.65496.1e]
  61. Amornyotin S, Chalayonnawin W, Kongphlay S. Clinical efficacy of the combination of propofol and ketamine (ketofol) for deep sedation for colonoscopy. Gut 2012; 61 (Suppl 2): A339-40. [DOI:10.1136/gutjnl-2012-302514d.105]
  62. Amornyotin S, Kongphlay S. Propofol deep sedation for small bowel enteroscopy in elderly patients in a World Gastroenterology Organising endoscopy training center in Thailand. Gut 2012; 61 (Suppl 2): A350. [DOI: 10.1136/gutjnl-2012-302514d.131]
  63. Amornyotin S, Chalayonnawin W, Kongphlay S. Propofol-balanced anesthesia for single balloon enteroscopy: a comparison between antegrade and retrograde intubation. Gut 2012; 61 (Suppl 2): A380-1. [DOI: 10.1136/gutjnl-2012-302514d.205]
  64. Amornyotin S, Chalayonnawin W, Kongphlay S. Propofol deep sedation for elderly patients: a comparison between EUS with or without fine needle aspiration procedure. Gut 2012; 61 (Suppl 2): A381. [DOI: 10.1136/gutjnl-2012-302514d.206]
  65. Amornyotin S, Chalayonnawin W, Kongphlay S. Pre-procedure administration of low dose parecoxib for endoscopic retrograde cholangiopancreatography patients. Pain Practice 2012; 12 (Suppl 1): 122. [DOI: 10.1111/j.1533-2500.2011.00528.x]
  66. Amornyotin S, Kongphlay S. Pain score within twenty-four hours post-endoscopic ultrasonography: a comparison of imaging study with or without fine needle aspiration procedure. Pain Practice 2012; 12 (Suppl 1): 122. [DOI: 10.1111/j.1533-2500.2011.00528.x]
  67. Amornyotin S, Kachintorn U, Kongphlay S. Pain score within twenty-four hours post-therapeutic endoscopic retrograde cholangiopancreatography: a comparison between general anesthesia and intravenous sedation technique. Pain Practice 2012; 12 (Suppl 1): 121-2. [DOI: 10.1111/j.1533-2500.2011.00528.x]
  68. Amornyotin S, Chalayonnawin W, Kongphlay S. Intravenous parecoxib for endoscopic retrograde cholangiopancreatography procedure in adult patients. Pain Practice 2012; 12 (Suppl 1): 121. [DOI: 10.1111/j.1533-2500.2011.00528.x]
  69. Amornyotin S, Chalayonnawin W, Kongphlay S. Deep sedation for colonoscopy in overweight patients: a comparison between propofol alone versus propofol and ketamine. International Journal of Evidence-Based Healthcare 2012; 10 (3): 239. [DOI: 10.1111/j.1744-1609.2012.00289.x]
  70. Amornyotin S, Chalayonnawin W, Kongphlay S. Complications during and immediately after propofol deep sedation for colonoscopy in marked obesity patients. International Journal of Evidence-Based Healthcare 2012; 10 (3): 238-9. [DOI: 10.1111/j.1744-1609.2012.00289.x]
  71. Amornyotin S, Chalayonnawin W, Kongphlay S. Clinical efficacy of ketofol for deep sedation for colonoscopic procedures. Colorectal Disease 2012; 14 (Suppl 2): 28-67. [DOI: 10.1111/j.1463-1318.2012.03157.x]
  72. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rates of propofol-based deep sedation for colonoscopy in markedly obese patients. Colorectal Disease 2012; 14 (Suppl 2): 28-67. [DOI: 10.1111/j.1463-1318.2012.03157.x]
  73. Amornyotin S, Kachintorn U, Kongphlay S. Anesthetic management for small bowel enteroscopy in a WGO Endoscopy Training Center in Thailand. Scandinavian Journal Gastroenterology 2012; 47 (Suppl 1): S14-84. [DOI: 10.3109/00365521.2012.697267?journalCode=gas]
  74. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate and alteration of blood pressure and heart rate after unsedated esophagogastroduodenoscopy in elderly patients. Scandinavian Journal Gastroenterology 2012; 47 (Suppl 1): S14-84. [DOI: 10.3109/00365521.2012.697267? JournalCode=gas]
  75. Amornyotin S, Chalayonnawin W, Kongphlay S. Clinical efficacy of the combination of propofol and ketamine (Ketofol) for deep sedation for colonoscopic procedure. Scandinavian Journal Gastroenterology 2012; 47 (Suppl 1): S14-84. [DOI: 10.3109/00365521.2012.697267?Journal Code=gas]
  76. Amornyotin S, Kongphlay S. Upper gastrointestinal endoscopic procedure in sick pediatric patients: a comparison between deep sedation and general anesthesia technique. Scandinavian Journal Gastroenterology 2012; 47 (Suppl 1): S14-84. [DOI: 10.3109/00365521.2012.697267?journal Code=gas]
  77. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate during and immediately after propofol-based deep sedation for colonoscopy in marked obesity patients. Scandinavian Journal Gastroenterology 2012; 47 (Suppl 1): S14-84. [DOI: 10.3109/00365521.2012.697267?journal Code=gas]
  78. Amornyotin S, Chalayonnawin W, Kongphlay S. Clinical efficacy of propofol and ketamine (ketofol) for deep sedation for colonoscopy. Regional Anesthesia and Pain Medicine 2012; 37 (7): E295. [DOI: 10.1097/AAP.0b013e31826a8366]
  79. Amornyotin S, Kachintorn U, Chalayonnawin W, Kongphlay S. Propofol-based deep sedation for endoscopic ultrasonography in sick patients in Thailand. Siriraj Medical Journal 2012; 64 (4): A15. 
  80. Amornyotin S, Kongphlay S. Viscous lidocaine solution-induced acute bronchospasm after topical pharyngeal anesthesia. Siriraj Medical Journal 2012; 64 (4): A28.
  81. Amornyotin S, Kongphlay S. Deep sedation for endoscopic retrograde cholangiopancreatography procedure in morbid obesity patient. Siriraj Medical Journal 2012; 64 (4): A29.
  82. Amornyotin S, Kongphlay S. Delayed recovery from sedation in a patient underwent endoscopic ultrasonography and endoscopic retrograde cholangiopancreatography procedure. Siriraj Medical Journal 2012; 64 (4): A29.
  83. Amornyotin S, Kachintorn U, Kongphlay S. Propofol-based deep sedation for endoscopic ultrasonography in sick patients in Thailand. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 296. [DOI: 10.1111/jgh.12006]
  84. Amornyotin S, Aanpreung P. Safety of deep sedation for therapeutic upper gastrointestinal endoscopy in pediatric patients in a developing country. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 102. [DOI: 10.1111/jgh.12006]
  85. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate of propofol-based deep sedation with or without topical pharyngeal anesthesia for endoscopic ultrasonography procedure in elderly patients. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 103. [DOI: 10.1111/jgh.12006]
  86. Amornyotin S, Kachintorn U, Kongphlay S. Clinical efficacy of intravenous sedation for single balloon enteroscopy. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 387. [DOI: 10.1111/jgh.12006]
  87. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate and alteration of blood pressure and heart rate after unsedated esophagogastroduodenoscopy in elderly patient. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 103. [DOI: 10.1111/jgh.12006]
  88. Amornyotin S, Kachintorn U, Kongphlay S. The effectiveness of propofol-ketamine admixture for deep sedation in colonoscopy. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 176. [DOI: 10.1111/jgh.12006]
  89. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate of unsedated esophagogastroduodenoscopy in marked obesity patients: the impact of topical pharyngeal anesthesia. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 103. [DOI: 10.1111/jgh.12006]
  90. Amornyotin S, Kongphlay S. Propofol deep sedation for small bowel enteroscopy procedure in elderly patients in a World Gastroenterology Organizing Endoscopy Training Center. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 388. [DOI: 10.1111/jgh.12006]
  91. Amornyotin S, Chalayonnawin W, Kongphlay S. Propofol-balanced anesthesia for single balloon enteroscopy: a comparison between antegrade and retrograde intubation. Journal of Gastroenterology and Hepatology 2012; 27 (Suppl 5): 387-8. [DOI: 10.1111/jgh.12006]
  92. Amornyotin S, Chalayonnawin W, Kongphlay S. Topical pharyngeal anesthesia for unsedated esophagogastroduodenoscopy in cirrhotic patients. Journal of Gastroenterology and Hepatology 2013; 28 (Suppl 3): 251. [DOI: 10.1111/jgh.12363_2]
  93. Amornyotin S, Kongphlay S. Complication rate and hemodynamic changes after unsedated esophagogastroduodenoscopy in elderly patients. Journal of Gastroenterology and Hepatology 2013; 28 (Suppl 3): 251. [DOI: 10.1111/jgh.12363_2]
  94. Amornyotin S, Kongphlay S. Propofol deep sedation for small bowel enteroscopy in sick patients in a developing country. Journal of Gastroenterology and Hepatology 2013; 28 (Suppl 3): 251. [DOI: 10.1111/jgh.12363_2] 
  95. Amornyotin S, Chalayonnawin W, Kongphlay S. Complication rate of propofol deep sedation for endoscopic ultrasonography in elderly patients. Journal of Gastroenterology and Hepatology 2013; 28 (Suppl 3): 252. [DOI: 10.1111/jgh.12363_2]
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