Lectures as a visiting professor

Prof. Ayed Al-Qahtani
  1. Discussion of the diversion from the gastric pinch to the laparoscopic sleeve gastrectomy: BELG (Laparoscopic Surgery on International Broadcast), October 01, 2021
  2. Adolescent Bariatric Surgery Course: Johnson & Johnson, December 05, 2020
  3. Dealing with Ends and Consequences: Online Conference: The Egyptian Society for Endoscopic Bariatric Surgery (ESBS), November 28-29, 2020
  4. Laparoscopic sleeve gastrectomy in adolescents: . 2nd Congress of the Society of Bariatric Endoscopy (BESP), in Sao Paulo, Brazil, October 02-03,
  5. Laparoscopic Sleeve Gastrectomy Recording Top 10 Videos: 24th World Congress of the International Federation for the Surgery of Obesity and Metabolic Disorders: IFEMA at the Municipal Palace, Madrid Spain, 03-07 September 2019
  6. Laparoscopic sleeve gastrectomy after gastric bypass surgery 24th World Congress of the International Federation for the Surgery of Obesity and Metabolic Disorders: IFEMA at the Municipal Palace, Madrid Spain, 03-07 September 2019
  7. Laparoscopic Sleeve Gastrectomy in Children and Adolescents with Obesity: Outcomes During the First Year: American Society for Bariatric and Metabolic Surgery (ASMBS) and Society of Obesity (TOS) Annual Meetings at Obesity Week, Nashville City Music Center, Nashville, TN, USA, 11 -15 November 2018
  8. Short Clinic Video Session: Is It Really Full Thickness?: The 5th Annual Gulf Bariatric Society Meeting, Conrad Hotel, Dubai, UAE, 6-9 December 2017
  9. Re-surgery after sleeve gastrectomy: The Fifth Annual Meeting of the Gulf Bariatric Surgery Society (GOSS 2017), Conrad Hotel, Dubai, UAE, from 6 to 09 December 2017
  10. Is it really thick?: The 4th International Course in Madrid Endoscopic Obesity (MIBE), Madrid, Spain, 20-22 September,
  11. Sleeve gastrectomy re-operation after laparoscopic sleeve gastrectomy: 4th International Course of Endoscopic Obesity Therapy in Madrid (MIBE), Madrid, Spain, September 20-22,
  12. Disasters in the operating room (video presentation), Dusit Thani Lakeview, Cairo, Egypt, November 22-24,
  13. Five-year follow-up results after single-stage gastric banding: 21st World Congress of the International Federation for the Surgery of Obesity and Metabolic Disorders, Rio de Janeiro, Brazil, September 28-October 01,
  14. Long-Term Outcomes of Sleeve Gastrectomy in Elderly Patients Over Sixty Years Old: The 21st International Conference on IFSO and Metabolic Disorders, Rio de Janeiro, Brazil, 28 Sep – 01 Oct,
  15. Gastrothoracic hernia after sleeve gastrectomy: 20th IFSO World Congress, Vienna, August 26-29,
  16. Does Sleeve Gastrectomy Stunt Growth in Children (postal poster): Obesity Week 2014: American Society for Metabolic and Bariatric Surgery, Boston Convention and Exhibition Center, Massachusetts, Nov. 02,
  17. Outcomes of Laparoscopic Sleeve Gastrectomy in Children and Adolescents with Prader-Willi Syndrome: National Conference and Exhibition of the American Academy of Pediatrics, San Diego Convention Center, California, USA, Oct 11-14,
  18. Laparoscopic Sleeve Gastrectomy in Children and Adolescents: Technique and Standard Perioperative Clinical Protocol, 19th World Congress, Montreal, Canada, August 26-30,
  19. Laparoscopic Sleeve Gastrectomy in Children and Adolescents: The Technique and Standard Perioperative Clinical Protocol (e-poster): ifso EC 2014- 6th Congress of the International Federation for the Surgery of Obesity and Metabolic Disorders, European Chapter, Brussels Belgium, 30 Apr – 03 May,
  20. Laparoscopic Sleeve Gastrectomy in Obese Children Under 14 Years of Age, SAGES 2014: Salt Lake City, Utah, Apr 2-5,
  21.  Discussion: Obesity in Adolescents, First Annual Meeting of the Gulf Society for Bariatric Surgery, Kuwait, 11-14 December,
  22. Childhood Obesity: Excellence in Pediatrics, Qatar, Dec 4-7,
  23. Treatment of Other Comorbidities in Obese Children and Adolescents Undergoing Sleeve Gastrectomy, Obesity Week, American Society for Metabolic and Bariatric Surgery, Atlanta US, November 11-16,
  24. A comparative study on the prevalence of H. pylori and chronic gastritis in obese pediatric and adult patients who underwent laparoscopic sleeve gastrectomy, IFSO 2013 Conference, Istanbul, Turkey, August 28-31,
  25. British Association of Pediatric Surgeons, (BAPS): A comparative study on the prevalence of H. pylori and chronic gastritis in obese adult and pediatric patients who underwent laparoscopic sleeve gastrectomy, Rome, Italy, 13-16 June,
  26. ECO-2012 European Congress of Obesity: Laparoscopic sleeve gastrectomy study of 108 obese pediatric and adolescent patients aged 5 to 21 years, Lyon France, 03 December,
  27. American Society of Gastrointestinal and Endoscopic Surgeons SAGES: A Comparative Study of Laparoscopic Sleeve Gastrectomy in Obese Adults and Children, (SAGES Best Research Paper)
  28. American Society of Gastrointestinal and Endoscopic Surgeons SAGES: Sleeve gastrectomy after unsuccessful gastric banding (gastric band) as a corrective procedure (poster presentation).
  29. Thirteenth Annual Congress of Pediatric Abdominal Surgery: Laparoscopic Resection of Huge Umbilical Tumor in Infants, Maui, Hawaii, Aug. 13,
  30. Thirteenth Annual Congress of Pediatric Abdominal Surgery: Laparoscopic Sigmoidectomy in Infant Patients with Dilatation, Maui, Hawaii, Aug 13,
  31. Canadian Association of Pediatric Surgeons, First Comparative Study on Endoscopic Thoracic Endoscopic Repair of Tracheoesophageal Fistula, St. John Canada, August 22-26,
  32. Canadian Association of Pediatric Surgeons, Thoracoscopic CVL Placement, St. John Canada, Aug 22-26,
  33. Canadian Association of Pediatric Surgery, Double Thoracic Aortic Arch Ligation, St. John Canada, Aug 22-26,
  34. The 28th Annual Meeting of the Canadian Association of Pediatric Surgery, Adjustable Laparoscopic Gastric Banding in Adolescents and Children: Safety and Feasibility, Edmonton, 20 September,
  35. The 27th Annual Meeting of the Canadian Association of Pediatric Surgery, Minimal Access Surgery in Infants and Newborns, Alberta, 06 Sep,
  36. The 27th Annual Meeting of the Canadian Association of Pediatric Surgery Conservative Non-Surgical Treatment of Biliary Tract Injury, Alberta, Sep 06,
  37. 6th Asia Pacific Laparoscopic Conference, Laparoscopic Pyloromyotomy: Is it Safe?, Malaysia, 03 Dec.
  38. European Pharmacy Students Association EPSA: Laparoscopic Nissen fundoplication (video presentation), Dec 8,
  39. European Pharmacy Students Association EPSA: Laparoscopic surgery in the repair of anal perforation in children (video presentation),
  40. European Pharmacy Students Association EPSA: Endoscopic repair of tracheo-oesophageal fistula with oesophageal atresia
  41. European Pharmacy Students Association EPSA: Closure of patent ductus arteriosus in neonates by thoracoscopy,
  42. The 34th Annual Meeting of the Canadian Association of Pediatric Surgery: A Review of Twenty Years of Work and Research on Pediatric Endobronchial Tumors, Vancouver, 12 Sep,
  43. The 34th Annual Meeting of the Canadian Association of Pediatric Surgery: Esophageal Lengthening and Early Anastomosing Technique for the Treatment of Oesophageal Atresia with Large Gap, Vancouver, 12 Sept.
  44. The 33rd Annual Meeting of the Canadian Association of Pediatric Surgery, Percutaneous varicocele design in children, The Canadian Experience (virtual lecture), Calgary, Sep 05,
  45. The 30th Annual Meeting of the Canadian Association of Pediatric Surgery: A Lecture on Our Twenty-Five Years of Experience in Pediatric Lymphoma, Toronto, Sep 05,
  46. ​​Annual Meeting of the Royal College of Surgeons of Canada: Investigations in Profuse Low Gastrointestinal Haemorrhage, Dec 10,