CURRICULUM VITAE
Name: Wirach Chitsuthipakorn, MD
Academic rank Assistant Professor
Work Address: Otolaryngology-HNS, Rajavithi Hospital, Bangkok, 10400
Employment:
2018 - present Rajavithi Hospital, Bangkok, Thailand
2018 - present College of Medicine, Rangsit University, Bangkok. Thailand
2009 - 2018 Sawanpracharak Hospital, Nakhon Sawan. Thailand
2002 - 2004 Pichit Hospital and Pichai Hospital.
Education and Qualifications:
2022 Certificate of Proficiency in Rhinology-Allergy. Thai Medical Council, Thailand
2016 - 2017 Research Fellowship. Otolaryngology-HNS, Stanford University, California, USA.
2013 - 2014 Clinical Fellowship in Rhinology-Allergy. Chulalongkorn University, Thailand
2007 - 2009 Board of Otolaryngology. Thai Medical Council, Thailand
1995 - 2002 Doctor of Medicine, Ramathibodi Hospital, Thailand
Academic activities and Awards:
2024 - present Central Working Committee (CWC) for the ASEAN Rhinologic Society (ASRS)
2023 - present Subcommittee of the RCOT annual residents’ research competition
2021 - present Rhinologic subcommittee of the RCOT
2019 - present Research subcommittee of the Thai Rhinologic Society
2025 Distinguish instructor award. College of Medicine, Rangsit University.
2024 Invited panels for Interhospital rhinology meetings
2023 Best Teacher Award 2023. College of Medicine, Rangsit University. 10 Aug 2023
2023 Committee of Thai CPG on Biologics in CRS, The Thai Rhinologic Society
2022 Appointed Assistant Professor, College of Medicine, Rangsit University
2021 Committee of Thai CPG on Allergic Rhinitis, The Thai Rhinologic Society
2016 Excellence Service Behavior Award. Sawanpracharak Hospital
2015 Committee of Thai CPG on Acute Rhinosinusitis, The Thai Rhinologic Society
2012 Excellence Service Behavior Award. Sawanpracharak Hospital
1998 Awarded a Scholarship of Exchanged Medical Student Kanazawa Hospital, Japan.
PUBLICATIONS (H-Index 17; ORCID 0000-0002-9787-6767)
1. Chitsuthipakorn W, Pooldum V, Hoang MP, Kanjanawasee D, Seresirikachorn K, Snidvongs K. Effect of preoperative systemic steroids on tissue eosinophils in CRSwNP: Meta-analysis. Laryngoscope 2026 April 30. Online ahead of print.
2. Chantarapitak N, Kerr SJ, Snidvongs K, Kanjanawasee D, Chitsuthipakorn W, Hoang MP, Wungcharoen P, Kanjanaumporn J, Chusakul S, Aeumjaturapat S, Seresirikachorn K. Frontal sinus irrigation after Draf 2a: Carolyn’s window versus angled frontal sinusotomy. Laryngoscope 2026 Mar 19. Online ahead of print.
3. Chitsuthipakorn W, Pooldum V, Phetpong J, Lawpoolsri S, Kanjanawasee D, Kowatanamongkon P, Mongkolkul K, Seresirikachorn K, Snidvongs K. Thai translation and validation of chronic rhinosinusitis‐patient Reported Outcome (CRS‐PRO). World J Otorhinolaryngol-Head Neck Surg 2026:1–9.
4. Chitsuthipakorn W, Pooldum V, Phetpong J, Mongkolkul K, Hoang MP, Snidvongs K. Carolyn’s Window Approach for frontal sinus in Asian Noses. Eur Arch Otorhinolaryngol 2026:1–6.
5. Hoang MP, Seresirikachorn K, Chitsuthipakorn W, Snidvongs K. Clinical utility of Th2-related markers for local allergic rhinitis: a meta-analysis and indirect comparison of diagnostic test accuracy. Rhinology 2026;64:2–13.
6. Pooldum V, Soponpongpipa P, Charoernsirichot W, Tanbanjong P, Tiamweraskul P, Senakun N, Ayuttaya TDN, Atthakorn N, Rojanavipalk I, Chitsuthipakorn W. Fungal Ball of the Sphenoid Lateral Recess with Infraorbital Nerve Hypoesthesia: A Case Report and Literature Review. J Med Urban Health 2025:e7154–e7154.
7. Hoang MP, Samuthpongtorn J, Chitsuthipakorn W, Seresirikachorn K, Snidvongs K. Response to the letter to editor regarding “the optimal cut-point of tissue eosinophil count for clinical severity of patients with chronic rhinosinusitis.” Int Forum Allergy Rhinol 2025.
8. Samuthpongtorn J, Tran T, Seresirikachorn K, Chitsuthipakorn W, Hoang MP, Tran LV, Le MTQ, Anggraini D, Wardani RS, Mohamad S, Shukri NM, Abdullah B, Yi LALM, Low T, Subramaniam S, Kanchanaumporn J, Aeumjaturapat S, Chusakul S, Snidvongs K. The optimal cut-point of tissue eosinophil count for clinical severity of patients with chronic rhinosinusitis. Int Forum Allergy Rhinol 2025. In Press.
9. Chitsuthipakorn W, Snidvongs K. Response to the letter to editor regarding “Tissue eosinophils threshold and its association with adult-onset asthma in chronic rhinosinusitis.” Int Forum Allergy Rhinol 2025;15:473–4.
10. Kowatanamongkon P, Snidvongs K, Korrungruang P, Chotikawichean N, Kanjanawasee D, Mongkolkul K, Chitsuthipakorn W. Tissue eosinophils threshold and its association with adult-onset asthma in chronic rhinosinusitis. Int Forum Allergy Rhinol 2025;15:536–42.
11. Sombutpiboonphon K, Snidvongs K, Lawpoolsri S, Chotikawichean N, Kowatanamongkon P, Mongkolkul K, Chitsuthipakorn W. Fluctuation of tissue eosinophils in chronic rhinosinusitis with nasal polyp. Int Forum Allergy Rhinol 2025;15:395–403.
12. Hoang MP, Seresirikachorn K, Samuthpongtorn J, Chitsuthipakorn W, Snidvongs K. Relationship between mode of delivery and the development of allergic rhinitis: a systematic review and meta-analysis. Rhinology 2025;63:2–12.
13. Chitsuthipakorn W, Pracharktam N, Phetpong J, Kowatanamongkon P, Mongkolkul K, Snidvongs K. Evaluating health utility score through direct and indirect methods in patients with chronic rhinosinusitis. Int Forum Allergy Rhinol. 2024 Sep 31;14(9):1426–34.
14. Aeumjaturapat S, Kanjanawasee D, Wangchareon P, et al. Clinical Practice Guidelines on Biologics for Chronic Rhinosinusitis. rcotJ. 2024 Feb. 2;24(2).
15. Chitsuthipakorn W, Naphapunsakul S, Korwattanamongkol P, Mongkolkul K, Chindavijak S. Prevalence of Chronic Rhinosinusitis in Rajavithi Hospital Workers, Bangkok, Thailand. rcotJ [Internet]. 2024 Feb. 2;24(2).
16. Chitsuthipakorn W, Hoang MP, Kanjanawasee D, Seresirikachorn K, Snidvongs K. Treatments of Epistaxis in Hereditary Hemorrhagic Telangiectasia: Systematic Review and Network Meta-Analysis. Curr Allergy Asthma Rep. 2023 Dec;23(12):689–701.
17. Sangubol M, Snidvongs K, Lawpoolsri S, Mongkolkul K, Kowatanamongkon P, Chitsuthipakorn W. Health utility score in Thai patients with chronic rhinosinusitis: Pre- and postoperative analyses. Laryngoscope. 2024 May 11;134(5):2070–6.
18. Hoang MP, Seresirikachorn K, Chitsuthipakorn W, Samuthpongtorn J, Prasittivatechakool K, Tantilipikorn P, et al. Phase III study of Phlai capsules in the treatment of allergic rhinitis: A randomized, double-blind, placebo-controlled trial. Asian Pac J Allergy Immunol [Internet]. 2023 Jun 11
19. Hoang MP, Seresirikachorn K, Chitsuthipakorn W, Snidvongs K. Herbal Medicines for Rhinosinusitis: A Systematic Review and Network Meta-analysis. Curr Allergy Asthma Rep. 2023 Feb;23(2):93–109.
20. Aeumjaturapat S, Seresirikachorn K, Snidvong K et al. แนวทางเวชปฏิบัติสำหรับโรคจมูกอักเสบภูมิแพ้ในคนไทย (ฉบับปรับปรุง พ.ศ.2565). rcotJ [Internet]. 2022;23(1).
21. Chitsuthipakorn W, Kanjanawasee, D., Hoang, M. P., Seresirikachorn, K., & Snidvongs, K. Optimal Device and Regimen of Nasal Saline Treatment for Sinonasal Diseases: Systematic Review. OTO Open. 2022, Vol. 6(2) 1–17
22. Chitsuthipakorn W, Hoang MP, Kanjanawasee D, Seresirikachorn K, Snidvongs K. Combined medical therapy in the treatment of allergic rhinitis: Systematic review and meta-analyses. Int Forum Allergy Rhinol. 2022 Dec;12(12):1480–502.
23. Hoang MP, Chitsuthipakorn W, Seresirikachorn K, Snidvongs K. As-needed intranasal corticosteroid spray for allergic rhinitis: a systematic review and meta-analysis. Rhinology. 2022 Aug 1;60(4):242–51.
24. Chitsuthipakorn W, Kanjanawasee D, Hoang MP, Seresirikachorn K, Snidvongs K. Benefits of nasal saline treatment in acute rhinosinusitis: Systematic review and meta-analysis. Int Forum Allergy Rhinol. 2022 Aug;12(8):1006–17.
25. Chitsuthipakorn W, Thanaphiphatsatja A, Doungbuppha P, Lawpoolsri S, Seresirikachorn K, Snidvongs K. Effects of Large Volume, Isotonic Nasal Saline Irrigation for Acute Rhinosinusitis: A Randomized Controlled Study. Int Forum Allergy Rhinol. 2021 Oct;11(10):1424-1435.
26. Hoang MP, Seresirikachorn K, Chitsuthipakorn W, Snidvongs K. Intralymphatic immunotherapy for allergic rhinoconjunctivitis: a systematic review and meta-analysis. Rhinology. 2021 Jun 1;59(3):236-244.
27. Hoang MP, Chitsuthipakorn W, Snidvongs K. Herbal Medicines for Allergic Rhinitis: A Systematic Review and Meta-analysis. Curr Allergy Asthma Rep. 2021 Mar 25;21(4):25.
28. Snidvongs, K, Chitsuthipakorn, W, Akarapas, C, Aeumjaturapat, S, Chusakul, S, Kanjanaumporn, J, Seresirikachorn, K. Risk factors of orbital complications in outpatients presenting with severe rhinosinusitis: A case‐control study. Clin Otolaryngol. 46(3): 587-593, 2021 May.
29. เกียรติศรีสกุล ว, สนิทวงศ์ ก, ธนาวิรัตนานิจ ส, และ คณะ. Evidence-Based Management of Acute Rhinosinusitis. rcotJ [Internet]. 2020; 21:1.
30. Chitsuthipakorn W, Seresirikachorn K, Kanjanawasee D, Snidvongs K. Endoscopic Sphenopalatine Foramen Cauterization is an Effective Treatment Modification of Endoscopic Sphenopalatine Artery Ligation for Intractable Posterior Epistaxis. Eur Arch Otorhinolaryngol. 277, 2463–2467 (2020).
31. Ayoub N, Walgama E, Thamboo A, Chitsuthipakorn W, Patel ZM, Nayak JV, et al. Correlation between extent of sinus surgery, radiographic disease, and postoperative outcomes. Rhinology. 2020 Feb 1;58(1):36–44.
32. Suwannawong D, Seresirikachorn K, Aeumjaturapat S, Chusakul S, Kanjanaumporn J, Chitsuthipakorn W, et al. Predicting bacteria causing acute bacterial rhinosinusitis by clinical features. Braz J Otorhinolaryngol. 2020 May-Jun;86(3):281–6.
33. Ayoub N, Walgama E, Thamboo A, Chitsuthipakorn W, Patel ZM, Nayak JV, et al. Correlation between extent of sinus surgery, radiographic disease, and postoperative outcomes. Rhinology. 2020 Feb 1;58(1):36–44.
34. Seresirikachorn K, Chitsuthipakorn W, Kanjanawasee D, Khattiyawittayakun L, Snidvongs K. Leukotriene Receptor Antagonist Addition to H1-Antihistamine Is Effective for Treating Allergic Rhinitis: A Systematic Review and Meta-analysis. Am J Rhinol Allergy. 2019 Sep;33(5):591–600.
35. Seresirikachorn K, Suwanparin N, Srisunthornphanich C, Chitsuthipakorn W, Kanjanawasee D, Snidvongs K. Factors of success of low-dose macrolides in chronic sinusitis: Systematic review and meta-analysis. Laryngoscope. 2019 Jul;129(7):1510–9.
36. Khattiyawittayakun L, Seresirikachorn K, Chitsuthipakorn W, Kanjanawasee D, Snidvongs K. Effects of decongestant addition to intranasal corticosteroid for chronic rhinitis: a systematic review and meta-analysis. Int Forum Allergy Rhinol. 2018 Dec;8(12):1445–53.
37. Seresirikachorn K, Chitsuthipakorn W, Kanjanawasee D, Khattiyawittayakun L, Snidvongs K. Effects of H1 antihistamine addition to intranasal corticosteroid for allergic rhinitis: a systematic review and meta-analysis. Int Forum Allergy Rhinol. 2018 Oct;8(10):1083–92.
38. Seresirikachorn K, Snidvongs K, Chitsuthipakorn W, Ruksakul W, Chusakul S, Kanjanaumporn J, et al. EPOS2012 has better specificity compared to IDSA2012 for diagnosing acute bacterial rhinosinusitis. Rhinology. 2018 Sep 1;56(3):241–4.
39. Chitsuthipakorn W, Seresirikachorn K, Sommer D, McHugh T, Snidvongs K. “Endotype of Chronic Rhinosinusitis across ancestry and geographic populations” Curr Allergy Asthma Rep. 2018 Jul 11;18(9):46
40. Kanjanawasee D, Seresirikachorn K, Chitsuthipakorn W, Snidvongs K. Hypertonic Saline Versus Isotonic Saline Nasal Irrigation: Systematic Review and Meta-analysis. Am J Rhinol Allergy. 2018 Jul;32(4):269–79.
41. Ayoub N, Chitsuthipakorn W, Nayak JV, Patel ZM, Hwang PH. “Nose blowing after endoscopic sinus surgery does not adversely affect outcomes” Laryngoscope. 2018 Jun;128(6):1268-1273.
42. Seresirikachorn K, Khattiyawittayakun L, Chitsuthipakorn W, Snidvongs K. “Antihistamines for treating rhinosinusitis: systematic review and meta-analysis of randomised controlled studies” J Laryngol Otol. 2018 Feb;132(2):105-110.
43. Snidvongs K, Seresirikachorn K, Khattiyawittayakun L, Chitsuthipakorn W. “Sedative Effects of Levocetirizine: A Systematic Review and Meta-Analysis of Randomized Controlled Studies” Drugs. 2017 Feb;77(2):175-186.
44. Chitsuthipakorn W, Chitsuthipakorn P, Serisirikachorn K, Khattiyawittayakun L, Snidvongs K. "Endoscopic Dacryocystorhinostomy for Adult Primary Acquired Nasolacrimal Duct Obstruction: Systematic review" rcotJ. 2016;17:2. 36-48
45. Chitsuthipakorn W, Saengwaree M, Snidvongs K, Aeumjaturapat S, Kanjanaumporn J, Keelawat S, Chusakul S. "Correlation between polyp cytology and histopathology in chronic rhinosinusitis with polyps" rcotJ. 2014; 15:3. 4-11
BOOK CHAPTER
1. วิรัช จิตสุทธิภากร. บทที่ 5 โรคจมูกอักเสบภูมิแพ้ (Allergic Rhinitis). คู่มือการใช้ยาสมุนไพรในเวชปฏิบัติ Thai Herbal Medicine in Clinical Practice: Guidebook. กรมการแพทย์ กระทรวงสาธารณสุข. พิมพ์ที่: บริษัท เอ แอนด์เจ เมดิคอล จำกัด 2025:41-46. ISBN: 978-616-11-5425-7
2. วิรัช จิตสุทธิภากร. Pitfalls of Diagnosis and Managements Epistaxis. ตำราวิชาการแพทย์ Volume 6: สาขาอื่นๆ. กรมการแพทย์ กระทรวงสาธารณสุข. สำนักงานกิจการโรงพิมพ์ องค์การสงเคราะห์ทหารผ่านศึก ในพระบรมราชูปถัมภ์. 2022:283-293. ISBN 978-974-422-991-5
3. Chitsuthipakorn W, Snidvongs K. “Acute Rhinosinusitis” In: Senior BA, Yvonne C. "Rhinology & Allergy: Clinical Reference Guide" San Diego: Plural Publishing. 2018:191-202
INTERNATIONAL PRESENTATIONS
1. Invited Talk “Tissue Eosinophils in CRS - Key Nuances (2026 View)”. 2026 Rhinology Annual Conference and the 17th Academic Conference on Nasal Infections and Allergic Diseases, Kunming, China, May 29, 2026
2. Invited Talk “Endoscopic filler to patulous eustachian tube”. Rhinocon 2025, Chennai, India. 30 November 2025
3. Oral Presentation “Fluctuation Eosinophils CRSwNP”. ERS 2025. Budapest, Hungary. 22. June 2025
4. Oral Presentation “Eosinophils and Asthma cut-off point in CRS”. Budapest, Hungary. 22. June 2025
5. Chairperson “2nd Asean Rhinologic Society Board Meeting” online Webinar, 23 Jan 2025
6. Oral Presentation “HUS through multiple methods”. ARS 70th annual meeting. Miami, USA. 28 Sep 2024
7. Oral Presentation “Fluctuation Eosinophils CRSwNP”. ARS 70th annual meeting. Miami, USA. 28 Sep 2024
8. Oral Presentation “Eosinophils and Asthma cut-off point in CRS”. ARS 70th annual meeting. Miami, USA. 28 Sep 2024
9. Invited lecture “QoL measurements in CRS”. Online international Rhinologic Interhospital meeting (Malaysia, Indonesia, Brunei, and Thailand). 27 May 2024
10. Oral Presentation “HUS through multiple methods”. ISIAN-IRS 2024. Tokyo, Japan. 5 Apr 2024
11. Oral Presentation “HHT network meta-analysis". ISIAN-IRS 2024. Tokyo, Japan. 4 Apr 2024
12. Invited talk “Excellent Proposals: A Step-by-Step Guide” ASEANRhino2024. Singapore. 17 February 2024.
13. Invited talk “Factor Influencing Quality of Life in Thai Patients with CRS”. ASEANRhino2024. Singapore. 16 Feb 2024
14. Oral Presentation “Carolyn’s Window Approach for Frontal Sinus Surgery in Asian Noses”. ASEAN-ORL 2023. Hanoi, Vietnam. 14 Oct 2023
15. Oral Presentation “Treatment of epistaxis in HHT patients: meta-analysis” ERS 2023. Sofia, Bulgaria. 21. Jun 2023
16. Oral Presentation “HUS in Thai CRS Pre-postop analyses” ERS 2023. Sofia, Bulgaria. 19 Jun 2023
17. Invited talk “Endotypes and phenotypes in Chronic Rhinosinusitis” The 1st China-Thailand Rhinology Forum Webinar, online. 17 Jun 2023
18. Oral Presentation “HUS in Thai CRS Pre-postop analyses” ICORL 2023. Seoul, Korea. 23 Apr 2023
19. Invited Talk “Optimal Inferior Turbinate reduction” ICORL 2023. Seoul, Korea. 24 Apr 2023
20. Oral presentation. Endoscopic Sphenopalatine Foramen Cauterization. ORLIAC 2022. Rome, Italy. 28 Sep 2022
21. Invited Talk “CRS endotypes across race and geographic locations”. ICORL 2019. Seoul, Korea. 28 Apr 2019
COURSE/WORKSHOP
1. Co-director of Rajavithi annual FESS course, Rajavithi Hospital, Bangkok, Thailand. 2019- present
2. Co-instructor “Rhinology Research Proposal Workshop”. ASEANRhino2024. 17 February 2024. Singapore
3. Hands-on instructor in Chulalongkorn FESS course 2014 - present
4. Hands-on instructor in Siriraj Hospital FESS course 2015 - present
5. Hands-on instructor in Phramongkutklao Hospital FESS course 2018-2021
Mentoring and visiting scholars
1. Fellowship mentoring: Kittichai Limwattana, MD. Mukdaharn Hospital. Mukdaharn, Thailand. 2025-2026
2. Visit scholar: Dr. Calvin Lai. Hong Kong, 1-31 March 2025
3. Fellowship mentoring: Vorachai Pooldum, MD. Chareonkrung Hospital. Bangkok, Thailand. 2024-2025.
4. Fellowship mentoring: Juthaporn Phetpong, MD. Sawanpracharak Hospital. Nakhon-Sawan, Thailand. 2023-2024.
5. External examiner of the PhD program for Dr. Dichapong Kanjanawasee. February 14th, 2020. Chulalongkorn University. Bangkok
