Tiing Leong Ang

Summary

Affiliation: Changi General Hospital
Country: Singapore

Publications

  1. ncbi request reprint Clinical profile of primary sclerosing cholangitis in Singapore
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    J Gastroenterol Hepatol 17:908-13. 2002
  2. ncbi request reprint Endoscopic ultrasound: moving from diagnostics to therapeutics
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    J Dig Dis 9:117-28. 2008
  3. ncbi request reprint Direct endoscopic necrosectomy: a minimally invasive endoscopic technique for the treatment of infected walled-off pancreatic necrosis and infected pseudocysts with solid debris
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, 2 Simei Street 3, Singapore
    Singapore Med J 54:206-11. 2013
  4. doi request reprint Is there still a role for empiric first-line triple therapy using proton pump inhibitor, amoxicillin and clarithromycin for Helicobacter pylori infection in Singapore? Results of a time trend analysis
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    J Dig Dis 14:100-4. 2013
  5. doi request reprint The diagnostic utility of narrow band imaging magnifying endoscopy in clinical practice in a population with intermediate gastric cancer risk
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, Singapore, Singapore
    Eur J Gastroenterol Hepatol 24:362-7. 2012
  6. doi request reprint Are there roles for intraductal US and saline solution irrigation in ensuring complete clearance of common bile duct stones?
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    Gastrointest Endosc 69:1276-81. 2009
  7. ncbi request reprint A case of perforated pancreatic pseudocyst complicated by acute myocardial infarction successfully treated by EUS-guided transgastric drainage
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore, Singapore
    JOP 10:324-7. 2009
  8. doi request reprint Endoscopic drainage and endoscopic necrosectomy in the management of symptomatic pancreatic collections
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore
    J Dig Dis 10:213-24. 2009
  9. ncbi request reprint Diagnosis and endoscopic resection of early gastric cancer
    T L Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    Singapore Med J 51:93-100. 2010
  10. doi request reprint An analysis of the efficacy and safety of a strategy of early precut for biliary access during difficult endoscopic retrograde cholangiopancreatography in a general hospital
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    J Dig Dis 11:306-12. 2010

Detail Information

Publications42

  1. ncbi request reprint Clinical profile of primary sclerosing cholangitis in Singapore
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    J Gastroenterol Hepatol 17:908-13. 2002
    ..The present study aimed to define the demographic and clinical profile of patients with PSC in Singapore...
  2. ncbi request reprint Endoscopic ultrasound: moving from diagnostics to therapeutics
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    J Dig Dis 9:117-28. 2008
    ..This review summarizes the diagnostic capability of endoscopic ultrasound and then moves on to elaborate in detail its therapeutic capability and potential...
  3. ncbi request reprint Direct endoscopic necrosectomy: a minimally invasive endoscopic technique for the treatment of infected walled-off pancreatic necrosis and infected pseudocysts with solid debris
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, 2 Simei Street 3, Singapore
    Singapore Med J 54:206-11. 2013
    ..This study examined the efficacy and safety of DEN for the treatment of infected walled-off pancreatic necrosis and infected pseudocysts with solid debris...
  4. doi request reprint Is there still a role for empiric first-line triple therapy using proton pump inhibitor, amoxicillin and clarithromycin for Helicobacter pylori infection in Singapore? Results of a time trend analysis
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    J Dig Dis 14:100-4. 2013
    ..pylori) infection in Singapore has decreased over the duration from 2005 to 2010...
  5. doi request reprint The diagnostic utility of narrow band imaging magnifying endoscopy in clinical practice in a population with intermediate gastric cancer risk
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, Singapore, Singapore
    Eur J Gastroenterol Hepatol 24:362-7. 2012
    ....
  6. doi request reprint Are there roles for intraductal US and saline solution irrigation in ensuring complete clearance of common bile duct stones?
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    Gastrointest Endosc 69:1276-81. 2009
    ..CBD saline solution irrigation may flush out residual stones...
  7. ncbi request reprint A case of perforated pancreatic pseudocyst complicated by acute myocardial infarction successfully treated by EUS-guided transgastric drainage
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore, Singapore
    JOP 10:324-7. 2009
    ..This report described a case of perforated pseudocyst in a patient with acute myocardial infarction successfully treated by endoscopic ultrasound guided drainage...
  8. doi request reprint Endoscopic drainage and endoscopic necrosectomy in the management of symptomatic pancreatic collections
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore
    J Dig Dis 10:213-24. 2009
    ..To evaluate the role of endoscopic drainage and endoscopic necrosectomy in the management of symptomatic pancreatic fluid collection...
  9. ncbi request reprint Diagnosis and endoscopic resection of early gastric cancer
    T L Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    Singapore Med J 51:93-100. 2010
    ....
  10. doi request reprint An analysis of the efficacy and safety of a strategy of early precut for biliary access during difficult endoscopic retrograde cholangiopancreatography in a general hospital
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    J Dig Dis 11:306-12. 2010
    ..This study examined the efficacy and safety of a strategy of early precut for biliary access during difficult ERCP in a general hospital...
  11. ncbi request reprint Guideline on training and credentialing in endoscopic retrograde cholangiopancreatography
    T L Ang
    Department of Gastroenterology, Changi General Hospital, 2 Simei Street 3, Singapore 529889
    Singapore Med J 52:654-7. 2011
    ..In conclusion, the innate risks of ERCP necessitate that all ERCP practitioners should be appropriately trained, practise within their expertise level and maintain regular practice in order to minimise risks and improve patient outcome...
  12. ncbi request reprint Current status of endosonography-guided biliary drainage
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, 2 Simei Street 3, Singapore 529889
    Singapore Med J 51:762-6. 2010
    ..This is an evolving field, with challenges that must be addressed before it can become a routine clinical practice. This review summarises the current status of endosonography-guided biliary drainage...
  13. ncbi request reprint Endosonography- vs. endoscopic retrograde cholangiopancreatography-based strategies in the evaluation of suspected common bile duct stones in patients with normal transabdominal imaging
    T L Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    Aliment Pharmacol Ther 26:1163-70. 2007
    ..Endosonography (EUS) and endoscopic retrograde cholangiopancreatography (ERCP) are highly accurate techniques for evaluating common bile duct stones...
  14. ncbi request reprint A comparison of the clinical, demographic and psychiatric profiles among patients with erosive and non-erosive reflux disease in a multi-ethnic Asian country
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, 2 Simei Street 3, 529889, Singapore
    World J Gastroenterol 11:3558-61. 2005
    ..To examine the clinical spectrum of gastroesophageal reflux disease (GERD) and compare erosive (ERD) with non-erosive (NERD) in terms of clinical, demographic and psychiatric profiles...
  15. ncbi request reprint Diagnosis of a metastatic phyllodes tumor of the pancreas using EUS-FNA
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore, Singapore
    JOP 8:35-8. 2007
    ..Until now, there have been no published reports on the use of EUS-FNA to diagnose recurrent phyllodes tumors metastatic to the pancreas...
  16. ncbi request reprint EUS-guided transduodenal biliary drainage in unresectable pancreatic cancer with obstructive jaundice
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore, Singapore
    JOP 8:438-43. 2007
    ..We herein describe our experience with two cases of unresectable pancreatic cancer associated with obstructive jaundice treated by EUS-guided biliary drainage...
  17. ncbi request reprint Accuracy of endoscopic ultrasound staging of gastric cancer in routine clinical practice in Singapore
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore
    Chin J Dig Dis 7:191-6. 2006
    ..Endoscopic ultrasound has emerged as the leading modality to assess the T and N stage in gastric cancer. This study aimed to assess the accuracy of TN staging by endoscopic ultrasound in routine clinical practice in Singapore...
  18. ncbi request reprint Racial differences in Helicobacter pylori, serum pepsinogen and gastric cancer incidence in an urban Asian population
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore
    J Gastroenterol Hepatol 20:1603-9. 2005
    ..The purpose of the present paper was to examine whether racial differences in the prevalence of Helicobacter pylori and serum pepsinogen (PG) could account for this difference...
  19. ncbi request reprint Endoscopic ultrasound-guided fine needle aspiration in the evaluation of suspected lung cancer
    T L Ang
    Division of Gastroenterology, Changi General Hospital, 2 Simei St 3, Singapore 529889, Singapore
    Respir Med 101:1299-304. 2007
    ..This prospective study aimed to define the effectiveness of EUS-FNA as an adjunct to computer tomography (CT) and bronchoscopy in the evaluation of suspected lung cancer in routine clinical practice...
  20. ncbi request reprint Clinical utility, safety and tolerability of capsule endoscopy in urban Southeast Asian population
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    World J Gastroenterol 9:2313-6. 2003
    ..In this prospective study, we aimed to determine the clinical utility, safety and tolerability of capsule endoscopy in the evaluation of suspected small bowel disease in an urban Southeast Asian population...
  21. doi request reprint Second Asia-Pacific Consensus Guidelines for Helicobacter pylori infection
    K Ming Fock
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore 529889
    J Gastroenterol Hepatol 24:1587-600. 2009
    ..Both CYP2C19 genetic polymorphisms and cigarette smoking can influence future H. pylori eradication rates...
  22. doi request reprint Asia-Pacific consensus guidelines on gastric cancer prevention
    Kwong Ming Fock
    Changi General Hospital, Singapore
    J Gastroenterol Hepatol 23:351-65. 2008
    ..Gastric cancer is a major health burden in the Asia-Pacific region but consensus on prevention strategies has been lacking. We aimed to critically evaluate strategies for preventing gastric cancer...
  23. doi request reprint Wireless oesophageal pH monitoring: establishing values in a multiracial cohort of asymptomatic Asian subjects
    Daphne Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    Dig Liver Dis 45:371-6. 2013
    ..Wireless oesophageal (Bravo) readings in healthy European and American subjects show varied results. Values in Asians remain unstudied...
  24. ncbi request reprint Helicobacter pylori eradication versus prokinetics in the treatment of functional dyspepsia: a randomized, double-blind study
    Tiing Leong Ang
    Department of Gastroenterology, Changi General Hospital, 2 Simei Street 3, Singapore, 529889, Singapore
    J Gastroenterol 41:647-53. 2006
    ..This randomized, double-blind study compared the efficacy of Helicobacter pylori eradication against prokinetics in H. pylori-infected functional dyspepsia patients...
  25. doi request reprint Is impedance pH monitoring superior to the conventional 24-h pH meter in the evaluation of patients with laryngorespiratory symptoms suspected to be due to gastroesophageal reflux disease?
    Daphne Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    J Dig Dis 12:341-8. 2011
    ....
  26. doi request reprint A comparison of surgery versus transcatheter angiographic embolization in the treatment of nonvariceal upper gastrointestinal bleeding uncontrolled by endoscopy
    Daphne Ang
    Department of Gastroenterology, Changi General Hospital, Singapore
    Eur J Gastroenterol Hepatol 24:929-38. 2012
    ..Percutaneous transcatheter angiographic embolization (TAE) is an alternative to surgery but remains controversial. This study compares the treatment outcomes in patients with recurrent nonvariceal upper gastrointestinal bleeding...
  27. doi request reprint To Bravo or not? A comparison of wireless esophageal pH monitoring and conventional pH catheter to evaluate non-erosive gastroesophageal reflux disease in a multiracial Asian cohort
    Daphne Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    J Dig Dis 11:19-27. 2010
    ....
  28. doi request reprint Epidemiology of Helicobacter pylori infection and gastric cancer in Asia
    Kwong Ming Fock
    Division of Gastroenterology, Changi General Hospital, Singapore
    J Gastroenterol Hepatol 25:479-86. 2010
    ..This review summarizes the current epidemiology of H. pylori infection in Asia and analyzes these data in the context of gastric cancer epidemiology...
  29. ncbi request reprint An audit of the outcome of long-term biliary stenting in the treatment of common bile duct stones in a general hospital
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore 529889, Singapore
    J Gastroenterol 41:765-71. 2006
    ..This study audited the clinical outcome of a cohort of patients with choledocholithiasis treated with long-term biliary stenting in order to determine the feasibility of this practice...
  30. ncbi request reprint Epinephrine injection therapy versus a combination of epinephrine injection and endoscopic hemoclip in the treatment of bleeding ulcers
    Tju Siang Chua
    Changi General Hospital, 2 Simei Street 3, Singapore 529889, Republic of Singapore
    World J Gastroenterol 11:1044-7. 2005
    ....
  31. doi request reprint EUS-guided drainage of infected pancreatic pseudocyst: use of a 10F Soehendra dilator to facilitate a double-wire technique for initial transgastric access (with videos)
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore
    Gastrointest Endosc 68:192-4. 2008
  32. doi request reprint The utility of narrow band imaging in improving the endoscopic diagnosis of gastroesophageal reflux disease
    Kwong Ming Fock
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    Clin Gastroenterol Hepatol 7:54-9. 2009
    ..We investigated the utility of NBI in improving the endoscopic diagnosis of GERD when compared with conventional endoscopy...
  33. ncbi request reprint EUS-FNA of the left adrenal gland is safe and useful
    Tiing Leong Ang
    Division of Gastroenterology, Changi General Hospital, Singapore
    Ann Acad Med Singapore 36:954-7. 2007
    ..There are limited data on the use of endosonography-guided fine-needle aspiration (EUS-FNA) to determine the nature of left adrenal lesions. We described our experience in performing EUS-FNA of left adrenal lesions...
  34. doi request reprint Factors determining diagnostic yield of endoscopic ultrasound guided fine-needle aspiration for pancreatic cystic lesions: a multicentre Asian study
    Lee Guan Lim
    Department of Gastroenterology and Hepatology, National University Health System, 10 Kent Ridge Crescent, Singapore, 119260, Singapore
    Dig Dis Sci 58:1751-7. 2013
    ....
  35. ncbi request reprint Rabeprazole vs esomeprazole in non-erosive gastro-esophageal reflux disease: a randomized, double-blind study in urban Asia
    K M Fock
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, 2 Simei Street 3, 529889 Singapore
    World J Gastroenterol 11:3091-8. 2005
    ..This double-blind study compared the efficacy and safety of rabeprazole with esomeprazole in relief of symptoms in patients with NERD...
  36. doi request reprint Global epidemiology of Barrett's esophagus
    Kwong Ming Fock
    Department of Gastroenterology, Changi General Hospital, 2 Simei Street 3, 529889 Singapore
    Expert Rev Gastroenterol Hepatol 5:123-30. 2011
    ..However, a truly cost-effective surveillance strategy remains to be determined...
  37. ncbi request reprint A rare case of upper GI bleeding: esophageal rupture associated with thoracic aortic aneurysm
    Tiing Leong Ang
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore, Singapore
    Gastrointest Endosc 67:151-2; commentary 152. 2008
  38. ncbi request reprint Proton pump inhibitors: do differences in pharmacokinetics translate into differences in clinical outcomes?
    Kwong Ming Fock
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    Clin Pharmacokinet 47:1-6. 2008
    ..Tenatoprazole is a new PPI that has a 5- to 7-fold longer elimination half-life than current PPIs. It could be potentially more useful for the treatment of gastro-esophageal reflux disease and nocturnal acid breakthrough than other PPIs...
  39. doi request reprint Asia-Pacific consensus on the management of gastroesophageal reflux disease: update
    Kwong Ming Fock
    Division of Gastroenterology, Department of Medicine, Changi General Hospital, Singapore
    J Gastroenterol Hepatol 23:8-22. 2008
    ..Since the publication of the Asia-Pacific GERD consensus in 2004, more data concerning the epidemiology and management of gastroesophageal reflux disease (GERD) have emerged. An evidence based review and update was needed...
  40. ncbi request reprint Dexlansoprazole, a modified release formulation of an enantiomer of lansoprazole, for the treatment of reflux esophagitis
    Kwong Ming Fock
    Changi General Hospital, Department of Medicine, Division of Gastroenterology, 2 Simei Street 3, 529889, Singapore
    Curr Opin Investig Drugs 9:1108-15. 2008
    ..By January 2008, an NDA for gastric acid-related diseases had been filed with the FDA, and the drug was undergoing phase II trials in Japan for gastroesophageal reflux disease...
  41. doi request reprint Detection and endoscopic therapy of early esophageal adenocarcinoma
    Stefan Seewald
    Department of Interdisciplinary Endoscopy, University Medical Center Hamburg Eppendorf, Hamburg, Germany
    Curr Opin Gastroenterol 24:521-9. 2008
    ..This review summarizes recent progress on endoscopic diagnosis and treatment of esophageal high-grade intraepithelial neoplasia and early adenocarcinoma and critically analyzes the literature in the context of preexisting scientific data...