Assoc. Prof. Walailak Chaiyasoot, M.D.

Division : Diagnostic Radiology, Department of Radiology

Specialty groups : Interventional Radiology, Ultrasound and Doppler US, GU Radiology and Breast

Languages : English

Field of interests : Doppler Ultrasound, Interventional Radiology, Breast Imaging

Education
Year
1984
M.D. Chiangmai University, Chiangmai
Certifications
Year
2009
Diploma, Thai Subspecialty Board of Body Interventional Radiology
2005
Diploma, Thai Subspecialty Board of Advanced Diagnostic Body Imaging
2003
Diploma Thai Board of Family Medicine, Mahidol University
1998
Fellowship training in Interventional Radiology at Hammersmith Hospital, London, United Kingdom
1988
Diploma Thai Board of General Radiology, Mahidol University, Bangkok
Awards and honors
Year
2019
Siriraj Award of Honor
1995
Awarded grant for fellowship training in Color Doppler Ultrasound
by the Japanese Society of Ultrasonics in Medicine (JSUM), Saitama Medical
School, Japan
Professional memberships
Year
Present
Royal College of Radiologist of Thailand (RCRT)
Present
Thai Society of Vascular and Interventional Radiology (TSVIR)
Present
Medical Ultrasonic Society of Thailand (MUST)
Recent publications
Book chapters
  1. Chaiyasoot W. Examination Technique for Abdominal Ultrasound. In: Ultrasound in Clinical Practice, Second Edition. Chaiyasoot W, Charoensak A, Trirasamith W, editors. Bangkok Vetchasarn Printing, Bangkok. June 2013; 20-40.
  2. Chaiyasoot W. Interventional Radiology in Intestinal Vascular Disorders. In: Intestinal Vascular Disorders. Pongprasobchai S, et al, editors. Bangkok Vetchasarn Printing, Bangkok. February 2013; 220-234.
  3. Chaiyasoot W. Interventional Radiology in Necrotizing Pancreatitis and Pseudocyst.In: Pancreatitis. Pongprasobchai S, Reuknimitr R, editors. Bangkok Vetchasarn Printing, Bangkok. January 2011; 151-164.
  4. Chaiyasoot W. Percutaneous Fine Needle Aspiration of Pancreatic Necrosis. In: Pancreatitis. Pongprasobchai S, Reuknimitr R, editors. Bangkok Vetchasarn Printing, Bangkok. January 2011; 125-130.
  5. Chaiyasoot W. Duplex ultrasonography of extremity veins. In: Critical care: at difficult time. Poompichet A, Permpikul C, editors. Beyond Enterprise Ltd. Bangkok. 2010; 542-553.
  6. Chaiyasoot W. Radiologic diagnosis and intervention of mid gastrointestinal bleeding. In: Gastrointestinal bleeding. Pongprasobchai S, Akaraviputh T, Kachintorn U, editors. Bangkok Vetchasarn Printing, Bangkok. August 2010; 222-232.
  7. Chaiyasoot W. Ultrasound-guided Intervention in Critical Care. In: Critical Care: Towards Optimal Perfection. Poompichet A, Permpikul C, editors. Beyond Enterprise Ltd. Bangkok.. 2009; 671-87.
  8. Chaiyasoot W. Image-guided intervention in abdominal oncology. In: Oncologic Imaging. Chaiyasoot W, Danchaiwichit N, Muangsomboon K, Nasongkla N, Pongpornsap S, editors. Reuankaew Printing, Bangkok. 2009; 584-599.
  9. Chaiyasoot W. Ultrasound in critically ill patients. In: Critical care: The model of holistic approach 2008-2009. Poompichet A, Permpikul C, editors. Beyond Enterprise Ltd. Bangkok. 2009; 538-551.
  10. Chaiyasoot W. Lower GI bleeding: diagnostic imagings and intervention. In: Update in Colon and Rectal surgery 2008. Auenorasetr C, Taweechaiyakarn P, Siriwong P, editors. Bangkok Medical Printing 2008; 528-542.
  11. Chaiyasoot W. Transarterial chemoembolization. In:Together towards excellence in health care. Jitcharoen A.editor. Bangkok. Faculty of Medicine Siriraj Hospital and Faculty of Medicine Ramathibodi Hospital, Mahidol University. 2006; 209-215.
  12. Chaiyasoot W. Transarterial chemoembolization. In:Together towards excellence in health care. Jitcharoen A.editor. Bangkok. Faculty of Medicine Siriraj Hospital and Faculty of Medicine Ramathibodi Hospital, Mahidol University. 2006; 209-215
  13. Chaiyasoot W. Duplex ultrasonography of extremity veins (section 12) and Duplex ultrasonography of cerebrovascular system (section 13) In: Ultrasound in clinical practice. Chwalparit O, Charoensak A, editors. Reuankaew Printing, Bangkok 2005; 213-236.
  14. Chaiyasoot W. The genitourinary system, section 5.1, 5.2, 5.3, 5.7 In: Diagnostic Radiology. Prabhasawat K, Chaiyasoot W, Charoensak A, editors. TCG Printing Ltd, Bangkok. 2003; 385-406, 441-446.
  15. Charoensak A, Suchato R, Chaiyasoot W. Abdominal imaging in critical care. In: Imaging in critical care. Chwalparit O, Kongsereepong S, editors. Reunkaew Printing, Bangkok 2003; 1-35.
  16. Vaeusorn N, Chaiyasoot W. Diseases of the urinary tract. In: Asian-Oceanian Textbook of Radiology. Peh WCG, HiramatsuY, editors. TTG Asia Media Pte Ltd, Singapore. 2003; 749-792.
  17. Chaiyasoot W. Treatment of hepatocellular carcinoma using interventional radiology. In: มะเร็งมหันตภัยเกิดได้ทุกวัย. Wilaiporn Bhotisuwan, editor. TCG Printing Ltd, Bangkok. 2002; 55-68.
  18. Chaiyasoot W. Non-resectional therapy of hepatocellular carcinoma : Transarterial approach. In: Surgery of liver, pancreas and biliary tract. Yongyut Siriwatanaaksorn et al, editors. Ruenkaew Printing, Bangkok. 2002; 355-362.
Journals
  1. Chaiyasoot W, Jaruthien N. Outcomes of Percutaneous Drainage vs. Antibiotic Therapy Alone or Emergency Surgery in Periappendiceal Abscess. Siriraj Medical J. January 2021; 73(1):10-16.
  2. Puangpunngam N, Supokaivanich N, Ruangsetakit C, Wongwanit C, Sermsathanasawadi N, Chinsakchai K, Hahtapornsawan S, Hongku K, Mutirangura P, Thamtorawat S, Rojwatcharapibarn S, Chaiyasoot W, Yodying J, Tongdee T. Endovascular thrombectomy versus open surgical thrombectomy for thrombosed arteriovenous hemodialysis graft. Siriraj Med J 2019;71(6):491-498.
  3. Ngamsombat C, Chaiyasoot W. Analysis of extrahepatic collateral arteries in transcatheter arterial chemoembolization of hepatocellular carcinoma. Siriraj Med J 2018;70(3), 247-253.
  4. Chaiyasoot W, Pongpanumaspaisan T, Tongdee T, Thamtorawat S, Rojwatcharapibarn S .Pre-operative embolization for bone tumors; single center experience. Siriraj Med J 2016;68:332-338.
  5. Apisarnthanarak P, Kanchanarat K, Muangsomboon K, Chaiyasoot W, Ieumwananonthachai N, Pattaranutaporn P. CT appearances of post-radiation livers in patients with unresectable cholangiocarcinoma. J Med Assoc Thai 2012;95(2):221-228.
  6. Chaiyasoot W, Yothatip J. Comparison of color Doppler ultrasound with digital subtraction angiography or magnetic resonance angiography in the diagnosis of transplant renal artery stenosis. Siriraj Medical Journal 2008; 60(3):121-125.
  7. Chaiyasoot W, Bamroongsri C, Kruatrachue C. Transarterial Embolization of Gastrointestinal Hemorrhages: Retrospective Study in Siriraj Hospital. Siriraj Medical Journal 2008; 60(4):194-199.
  8. Mutirangura P, Kruatrachue C, Ophasanond P, Chaiyasoot W, Ruangsetakit C, Wongwanit C, et al. Endovascular abdominal aortic aneurysm repair in high-risk patients: Outcomes of management. J Med Assoc Thai 2007; 90(10):2080-2089.
  9. Wongwanit C, Mutirangura P, Chierakul N, Chaiyasoot W, Phongraweewan O. Rapidly enlarging and asymptomatic abdominal aortic aneurysm in a male patient with chronic obstructive pulmonary disease: a case report of early experience of endovascular aortic aneurysm repair (EVAR) performed in operative theater of Siriraj Hospital. Siriraj Medical Journal 2006; 58(5): 812-818.
  10. Tungkasereerak P, Ong-ajyooth L, Chaiyasoot W, Ong-ajyooth S, Leowattana W, Vasuvattakul S. Effect of short-term folate and vitamin B supplementation on blood homocysteine level and carotid artery wall thickness in chronic hemodialysis patients. J Med Assoc Thai 2006; 89(8): 1187-1193.
  11. Taruangsri P, Ong-ajyooth L, Ong-ajyooth S, Chaiyasoot W, Leowattana W, Sritippayawan S, et al. Relationship between hyperhomocysteinemia and atherosclerosis in chronic hemodialysis patients. J Med Assoc Thai 2005; 88(10): 1373-1381.
  12. Kruatrachue C, Prabhasawat K, Choosri K, Chaiyasoot W. Findings and evaluations of cholangiography in percutaneous transhepatic biliary drainage patients in Siriraj Hospital. The Asian Journal of Radiology. Sept-Dec.2005;11(3):189-196.
  13. Tungkasereerak P, Chaiyasoot W, Taruangsri P, Leowattana W, Vasuvattakul S, Vareesangthip K, et al. Can folate and vitamin B supplementation reduce homocysteine levels and atherosclerosis in hemodialysis patients? Journal of the American Society of Nephrology. Abstracts issue. 2004: 15; 406A.
  14. Bunditworapoom D, Thongnoppakhun W, Hiriote W, Limwongse C, Sirinavin J, Vareesangthip K, Chaiyasoot W. Recurrent mutations of the polycystic kidney disease 1 (PKD1) gene in Thai patients. In: Seminar in Genetics 13 th ; Genetics and sustainable development. Text and Journal Publication, Bangkok 2003; 313-320.
  15. Sirivatanauksorn Y, Chaiyasoot W, Prabhasawat K, Tanwandee T. Novel aspects in the management of hepatocellular carcinoma. Siriraj Medical Journal 2001; 53(7).
  16. Sirivatanauksorn Y, Chaiyasoot W, Prabhasawat K, Tanwandee T. Novel aspects in the management of hepatocellular carcinoma. Siriraj Medical Journal 2001; 53(7).
  17. Tangjitmaneesakda K, Leewansangtong S, Chaiyasoot W, et al. Management of high-flow priapism: A case report and review. Siriraj Hosp Gazz 2000; 52: 53-58.
  18. Permpikul C, Chantavatcharakorn K, Bouranasompop C, Chaiyasoot W, et al. Whole blood agglutination D-Dimer test for the diagnosis of deep vein thrombosis. J Med Assoc Thai 2000; 83(7): 732-736.
  19. Chaiyasoot W. Iliopsoas abscess detected by ultrasonography and CT; A report of two casess. Siriraj Hosp Gazz 1993; 45 (10): 710-718.
  20. Chaiyasoot W, Vaeusorn N, Vanapruks S, et al. Update management of renal hemorrhage. Thai J Radiol 1991; 28 (1): 11-20.
  21. Chaiyasoot W, Keorochana SB. Role of ultrasonography in detecting gastrointestinal lesions. Thai J Radiol 1991; 28 (2): 43-52.
  22. Chaiyasoot W, Bhotisuwan W, Kruatrachue J, et al. Superior mesenteric artery aneurysm: A report of two cases. Siriraj Hosp Gazz 1991; 43 (12): 926-931.