Find a Doctor Medical Traveler Guide Make an Appointment Talk to Doctor
Vejthani Hospital
Search Doctor

DR. PHONTHEP ANGSUWATCHARAKON

Appointment

Departments

Specialty

Qualifications

  • Gastroenterology

Medical School

  • Doctor of Medicine, First Class Honor (GPAX 3.85), Chulalongkorn University, Thailand, 2003
  • Master of Science, Chulalongkorn University, Thailand, 2010

Board Certifications

  • Internal Medicine, Faculty of Medicine, Chulalongkorn University, Thailand, 2007
  • Gastroenterology and hepatology, Faculty of Medicine, Chulalongkorn University, Thailand, 2010

Fellowships

  • Advanced Therapeutic Endoscopy Fellowship, MD Anderson Cancer Center, Texas, USA, 2019

Publications

  1. Jutakhokiat S, Angsuwatcharakon P, Imraporn B, Ongcharit P, Udomsawaengsup P, Rerknimitr R. Acute Aortic Dissection Causing Gastroduodenal and Hepatic Infarction. Endoscopy 2009; 41 Suppl 2: E88-9. Epub 2009 Apr 15.
  2. Angsuwatcharakon P, Rerknimitr R, Ridtitid W, Ponauthai Y, Kullavanijaya P. Success rate and cannulation time between precut sphincterotomy and double guidewire technique in truly difficult biliary cannulation. J Gastroenterol Hepatol 2012;27(2):356-61.

Readmore…

  1. Angsuwatcharakon P, Thienchanachaiya P, Pantongrag-Brown L, Rerknimitr R. Endoscopic band ligation to create an omental patch for closure of a colonic perforation. Endoscopy 2012;44 Suppl 2:E90-1. Epub 2012 Mar 6.
  2. Angsuwatcharakon P, Rerknimitr R, Ridtitid W, Kongkam P, Poonyathawon S, Ponauthai Y, Sumdin S, Kullavanijaya P. Cocktail sedation containing propofol versus conventional sedation for ERCP: a prospective, randomized controlled study. BMC Anesthesiol. 2012 Aug 9;12:20.
  3. Rerknimitr R, Angsuwatcharakon P, Ratanachu-ek T, Khor CJ, Ponnudurai R, Moon JH, Seo DW, Pantongrag-Brown L, Sangchan A, Pisespongsa P, Akaraviputh T, Reddy ND, Maydeo A, Itoi T, Pausawasdi N, Punamiya S, Attasaranya S, Devereaux B, Ramchandani M, Goh KL; Asia-Pacific Working Group on Hepatobiliary Cancers. Asia-Pacific consensus recommendations for endoscopic and interventional management of hilar cholangiocarcinoma. J Gastroenterol Hepatol. 2013 Apr;28(4):593-607.
  4. Pittayanon R, Rerknimitr R, Wisedopas N, Ridtitid W, Kongkam P, Treeprasertsuk S, Angsuwatcharakon P, Mahachai V, Kullavanijaya P. Flexible spectral imaging color enhancement plus probe-based confocal laser endomicroscopy for gastric intestinal metaplasia detection. J Gastroenterol Hepatol. 2013 Jun;28(6):1004-9. doi: 10.1111/jgh.12185.
  5. Paramasivam RK, Angsuwatcharakon P, Soontornmanokul T, Rerknimitr R. Management of endoscopic complications, in particular perforation. Dig Endosc. 2013 May;25 Suppl 2:132-6.
  6. Prueksapanich P, Angsuwatcharakon P, Rerknimitr R, Kullavanijaya P. A large impacted pancreatic duct stone causing acute cholangitis. Endoscopy. 2013;45 Suppl 2 UCTN:E352-3.
  7. Sallapant S, Angsuwatcharakon P, Thiptanakit C, Wisedopas N, Rerknimitr R. Formalin-induced severe colonic necrosis. Endoscopy. 2013 Nov;45 Suppl 2 UCTN:E363-4.
  8. Rerknimitr R, Lakananurak N, Prueksapanich P, Sallapant S, Angsuwatcharakon P, Kongkam P, Kullavanijaya P. A fatal case of a colonic fistula communicating with a walled-off area of pancreatic necrosis. Endoscopy. 2014;46 Suppl 1 UCTN:E30-1.
  9. Treeprasertsuk S, Rerknimitr R, Angsuwatcharakon P, Ridtitid W, Thanapirom K, Kongkam P, Ponuthai Y, Viriyautsahakul V. The safety of propofol infusion compared to midazolam and meperidine intravenous bolus for patients undergoing double balloon enteroscopy. J Med Assoc Thai. 2014 May;97(5):483-9.
  10. Aniwan S, Viriyautsahakul V, Angsuwatcharakon P, Kongkam P, Treeprasertsuk S, Rerknimitr R, Kullavanijaya P. Comparison of urgent video capsule endoscopy and urgent double-balloon endoscopy in massive obscure gastrointestinal bleeding. Hepatogastroenterology. 2014 Oct;61(135):1990-4.
  11. Aniwan S, Viriyautsahakul V, Rerknimitr R, Angsuwatcharakon P, Kongkam P, Treeprasertsuk S, Kullavanijaya P. Urgent double balloon endoscopy provides higher yields than non-urgent double balloon endoscopy in overt obscure gastrointestinal bleeding. Endosc Int Open. 2014 Jun;2(2):E90-5.
  12. Kongkam P, Lakananurak N, Navicharern P, Chantarojanasiri T, Aye K, Ridtitid W, Kritisin K, Angsuwatcharakon P, Aniwan S, Pittayanon R, Sampatanukul P, Treeprasertsuk S, Kullavanijaya P, Rerknimitr R. Combination of EUS-FNA and elastography (strain ratio) to exclude malignant solid pancreatic lesions: A prospective single-blinded study. J Gastroenterol Hepatol. 2015 Nov;30(11):1683-9.
  13. Chaiteerakij R, Barr Fritcher EG, Angsuwatcharakon P, Ridtitid W, Chaithongrat S, Leerapun A, Baron TH, Kipp BR, Henry MR, Halling KC, Rerknimitr R, Roberts LR. Fluorescence in situ hybridization compared with conventional cytology for the diagnosis of malignant biliary tract strictures in Asian patients. Gastrointest Endosc. 2016 Jun;83(6):1228-35.
  14. . Kongkam P, Pittayanon R, Sampatanukul P, Angsuwatcharakon P, Aniwan S, Prueksapanich P, Sriuranpong V, Navicharern P, Treeprasertsuk S, Kullavanijaya P, Rerknimitr R. Endoscopic ultrasound-guided needle-based confocal laser endomicroscopy for diagnosis of solid pancreatic lesions (ENES): a pilot study. Endosc Int Open. 2016 Jan;4(1):E17-23.
  15. Aniwan S, Orkoonsawat P, Viriyautsahakul V, Angsuwatcharakon P, Pittayanon R, Wisedopas N, Sumdin S, Ponuthai Y, Wiangngoen S, Kullavanijaya P, Rerknimitr R. The Secondary Quality Indicator to Improve Prediction of Adenoma Miss Rate Apart from Adenoma Detection Rate. Am J Gastroenterol. 2016 May;111(5):723-9.
  16. Angsuwatcharakon P, Prueksapanich P, Kongkam P, Rattanachu-Ek T, Sottisuporn J, Rerknimitr R. Efficacy of the Ovesco Clip for Closure of Endoscope Related Perforations. Diagn Ther Endosc. 2016;2016:9371878.
  17. Liao WC, Angsuwatcharakon P, Isayama H, Dhir V, Devereaux B, Khor CJ, Ponnudurai R, Lakhtakia S, Lee DK, Ratanachu-Ek T, Yasuda I, Dy FT, Ho SH, Makmun D, Liang HL, Draganov PV, Rerknimitr R, Wang HP. International consensus recommendations for difficult biliary access. Gastrointest Endosc. 2017 Feb;85(2):295-304.
  18. Angsuwatcharakon P, Kongkam P, Rerknimitr R. What exactly shortens stent patency in hilar block from gallbladder carcinoma? Endoscopy. 2016 Nov;48(11):1048.
  19. Angsuwatcharakon P, Rerknimitr R, Kongkam P, Ridtitid W, Ponauthai Y, Srisuttee R, Kitkumthorn N, Mutirangura A. Identification of Pancreatic Cancer in Biliary Obstruction Patients by FRY Site-specific Methylation. Asian Pac J Cancer Prev. 2016;17(9):4487-4490.
  20. Angsuwatcharakon P, Kongkam P, Rerknimitr R. Advanced biliary access techniques: is the double-guidewire technique considered a “Wednesday’s child”? Endoscopy. 2017 Jan;49(1):5-7.
  21. Ridtitid W, Luangsukrerk T, Angsuwatcharakon P, Piyachaturawat P, Aumpansub P, Hurst C, Chaiteerakij R, Kongkam P, Rerknimitr R. Uncomplicated common bile duc stone removal guided by cholangioscopy versus conventional endoscopic retrograde cholangiopancreatography. Surg Endosc. 2018 Jun;32(6):2704-2712
  22. Puapatanakul P, Prueksapanich P, Towannang P, Angsuwatcharakon P, Rerknimitr R, Kanjanabuch T. Transcatheter Examination of the Peritoneal Dialysis Catheter with the SpyGlass Direct Visualization System: A New Aid in Diagnosis and Salvation of Ultrafiltration Failure from Partial Catheter Obstruction. Perit Dial Int. 2018 Jan-Feb;38(1):67-69.
  23. Aumpansub P, Angsuwatcharakon P, Wisedopas N, Ridtitid W, Rerknimitr R. Metastatic melanoma presenting as malignant biliary obstruction of the common bile duct demonstrated with single-operator digital cholangioscopy. VideoGIE. 2017 Jul 14;2(10):266-267.
  24. Angsuwatcharakon P, Janjeurmat W, Krisanachinda A, Ridtitid W, Kongkam P, Rerknimitr R. The difference in ocular lens equivalent dose to ERCP personnel between prone and left lateral decubitus positions: a prospective randomized study. Endosc Int Open. 2018 Aug;6(8):E969-E974.
  25. Ridtitid W, Kulpatcharapong S, Piyachaturawat P, Angsuwatcharakon P, Kongkam P, Rerknimitr R. The impact of empiric endoscopic biliary sphincterotomy on future gallstone-related complications in patients with non-severe acute biliary pancreatitis whose cholecystectomy was deferred or not performed. Surg Endosc. 2019 Oct;33(10):3325-3333.
  26. Angsuwatcharakon P, Sodsai P, Rerknimitr R, Hirankarn N. The Polymorphisms at PRSS1-PRSS2 and MORC4 Loci and the Risk of Post-ERCP Pancreatitis. Gastroenterol Res Pract. 2018 Nov 4;2018:1064783
  27. Angsuwatcharakon P, Kulpatcharapong S, Ridtitid W, Boonmee C, Piyachaturawat P, Kongkam P, Pareesri W, Rerknimitr R. Digital cholangioscopy-guided laser versus mechanical lithotripsy for large bile duct stone removal after failed papillary large-balloon dilation: a randomized study. Endoscopy. 2019 Nov;51(11):1066-1073.
  28. Maydeo AP, Rerknimitr R, Lau JY, Aljebreen A, Niaz SK, Itoi T, Ang TL, Reichenberger J, Seo DW, Ramchandani MK, Devereaux BM, Lee JK, Goenka MK, Sud R, Nguyen NQ, Kochhar R, Peetermans J, Goswamy PG, Rousseau M, Bhandari SP, Angsuwatcharakon P, Tang RSY, Teoh AYB, Almadi M, Lee YN, Moon JH; SpyGlass AMEA Registry Group. Cholangioscopy-guided lithotripsy for difficult bile duct stone clearance in a single session of ERCP: results from a large multinational registry demonstrate high success rates. Endoscopy. 2019 Oct;51(10):922-929.
  29. Rerknimitr R, Angsuwatcharakon P. Unfortunately, a “Back Light System” As a Global Positioning System Failed to Guide the Route in 25-G Fine-Needle Aspiration. Clin Endosc. 2019 Jul;52(4):295-296.
  30. Boonsongserm P, Angsuwatcharakon P, Puttipanyalears C, Aporntewan C, Kongruttanachok N, Aksornkitti V, Kitkumthorn N, Mutirangura A. Tumor-induced DNA methylation in the white blood cells of patients with colorectal cancer. Oncol Lett. 2019 Sep;18(3):3039-3048.
  31.  Angsuwatcharakon P, Singh BS, Cazacu IM, Weston BR, Bhutani MS. Difficult pyloric intubation during EUS: Forward viewing echoendoscope to the rescue (with videos). Endosc Ultrasound. 2019 Nov-Dec;8(6):428-429.
  32. Theerasuwipakorn N, Tasneem AA, Kongkam P, Angsuwatcharakon P, Ridtitid W, Navicharern P, Kitisin K, Wangrattanapranee P, Rerknimitr R, Kullavanijaya P. Walled-off Peripancreatic Fluid Collections in Asian Population: Paradigm Shift from Surgical and Percutaneous to Endoscopic Drainage. J Transl Int Med. 2019 Dec 31;7(4):170-177.
  33. Angsuwatcharakon P, Ahmed O, Lynch PM, Lum P, Gonzalez GN, Weston B, Coronel E, Katz MHG, Folloder J, Lee JH. Management of ampullary adenomas in familial adenomatous polyposis syndrome: 16 years of experience from a tertiary cancer center. Gastrointest Endosc. 2020 Aug;92(2):323-330.
  34. Ridtitid W, Piyachaturawat P, Teeratorn N, Angsuwatcharakon P, Kongkam P, Rerknimitr R. Single-operator peroral cholangioscopy cystic duct cannulation for transpapillary gallbladder stent placement in patients with acute cholecystitis at moderate to high surgical risk (with videos). Gastrointest Endosc. 2020 Sep;92(3):634-644.
  35. Aniwan S, Viriyautsahakul V, Luangsukrerk T, Angsuwatcharakon P, Piyachaturawat P, Kongkam P, Kongtab N, Treeprasertsuk S, Kullavanijaya P, Rerknimitr R. Low rate of recurrent bleeding after double-balloon endoscopy-guided therapy in patients with overt obscure gastrointestinal bleeding. Surg Endosc. 2021 May;35(5):2119-2125.
  36. Ge PS, Angsuwatcharakon P, Chang GJ, Foo WC, Tillman MM, Aihara H. The suture pulley countertraction method for challenging rectal endoscopic submucosal dissection. VideoGIE. 2020 Mar 31;5(5):210-212.
  37. . Kongkam P, Orprayoon T, Boonmee C, Sodarat P, Seabmuangsai O, Wachiramatharuch C, Auan-Klin Y, Pham KC, Tasneem AA, Kerr SJ, Romano R, Jangsirikul S, Ridtitid W, Angsuwatcharakon P, Ratanachu-Ek T, Rerknimitr R. ERCP plus endoscopic ultrasound-guided biliary drainage versus percutaneous transhepatic biliary drainage for malignant hilar biliary obstruction: a multicenter observational open-label study. Endoscopy. 2021 Jan;53(1):55-62.
  38. Puttipanyalears C, Denariyakoon S, Angsuwatcharakon P, Aksornkitti V, Vongsaisuwan M, Asayut S, Thanasitthichai S, Kongruttanachok N, Aporntewan C, Mutirangura A. Quantitative STAU2 measurement in lymphocytes for breast cancer risk assessment. Sci Rep. 2021 Jan 13;11(1):915.
  39. Angsuwatcharakon P, Rerknimitr R. Cracking Difficult Biliary Stones. Clin Endosc. 2021 Mar 16. doi: 10.5946/ce.2020.256-IDEN. Online ahead of print.
  40. Lin D, Moningi S, Abi Jaoude J, Singh BS, Cazacu IM, Kouzy R, Nogueras Gonzalez GM, Angsuwatcharakon P, Herman JM, Bhutani MS, Taniguchi CM. Development of an Objective Scoring System for Endoscopic Assessment of Radiation-Induced Upper Gastrointestinal Toxicity. Cancers (Basel). 2021 Apr 29;13(9):2136.
  41. Angsuwatcharakon P, Kulpatcharapong S, Moon JH, Ramchandani M, Lau J, Isayama H, Seo DW, Maydeo A, Wang HP, Nakai Y, Ratanachu-Ek T, Bapaye A, Hu B, Devereaux B, Ponnudurai R, Khor C, Kongkam P, Pausawasdi N, Ridtitid W, Piyachaturawat P, Khanh PC, Dy F, Rerknimitr R. Consensus guidelines on the role of cholangioscopy to diagnose indeterminate biliary stricture. HPB (Oxford). 2021 Jun 9:S1365-182X(21)00156-8. doi: 10.1016/j.hpb.2021.05.005. Online ahead of print.
  42. Angsuwatcharakon P, Piyachaturawat P, Pantongrag-Brown L, Rerknimitr R. Cholangioscopy to Diagnose and Manage a Patient with Congenital Absence of the Cystic Duct. Gastrointest Endosc. 2021 Oct 12:S0016-5107(21)01722-3. doi: 10.1016/j.gie.2021.10.010. Online ahead of print.

Professional memberships

  • Thai Medical Council
  • Royal College of Physicians, Thailand (RCPT)
  • Gastroenterology Association of Thailand (GAT)
  • Thai Association for Gastrointestinal Endoscopy (TAGE)
  • American Society for Gastrointestinal Endoscopy (ASGE)
Doctor photo

Clinic Hours

Articles

Show More

Patient Stories

Show More

Videos

Show More

Get in touch with us

Call (+66)8-522 38888