Department of Medicine co-ordinator for Phase 3B undergraduate exams, Department Of Medicine, Faculty Of Medicine, 09-Mar-09 - 14-Mar-09

Masters in Internal Medicine Exam Sub-committee, Department Of Medicine, Faculty Of Medicine, 01-Feb-09 - 31-Dec-09

Exam vetting committee for Conjoint Board Masters in Internal Medicine, Department Of Medicine, Faculty Of Medicine, 01-Jan-07 - 31-Dec-09

Head Coordinator, Department Of Medicine, Faculty Of Medicine, 01-Jan-05 - 01-Aug-07

Associate Professor, University Malaya, 14/09/2004

Lecturer, University Malaya, 01/12/2003 until 13/09/2004

Pensyarah, JABATAN PERUBATAN , FALKULTI PERUBATAN, 01/10/2001 until 30/09/2002

Specialist Registrara, ST . JAMES UNIVERSITY HOSPITAL, 01/10/1999 until 15/09/2001

Specialist Registrar, PONTEFRACT GENERAL INFIRMARY, 01/10/1998 until 30/09/1999

Specialist Registrar, SCARBOROUGH GENERAL HOSPITAL, 01/10/1997 until 30/09/1998

Locum Registrar, SWANSEA MORRISTON HOSPITAL, 01/09/1997 until 30/09/1997

Senior House Officer, SEACROFT HOSPITAL, 01/02/1997 until 31/08/1997

Senior House Officer, LIVER UNIT ST. JAMES UNIVERSITY HOSPITAL, 01/08/1996 until 31/01/1997

Junior House Officer, SOUTH TUNESIDE DISTRICT HOSPITAL, 01/08/1994 until 31/07/1996

Junior House Officer, FREEMAN HOSPITAL NEW CASTLE, 01/02/1994 until 31/07/1994

Junior House Officer, SOUTH TUNESIDE DISTRICT HOSPITAL, 01/08/1993 until 31/01/1994

Gastroenterology

Peng Soon Koh, Boon Koon Yoong, Anushya Vijayananthan, Ouzreiah Nawawi and Sanjiv Mahadeva. Jaundice and life- threatening hemobilia: An uncommon presentation of adult choledochal cysts. Journal of Digestive Diseases. 2013 Jan 15. doi: 10.1111/1751-2980.12036 [Epub ahead of print]PMID: 23324023 (ISI/SCOPUS Cited Publication)

Zain SM, Mohamed Z, Mahadeva S, Rampal S, Basu RC, Cheah PL, Salim A, Mohamed R. Susceptibility and Gene Interaction Study of the Angiotensin II Type 1 Receptor (AGTR1) Gene Polymorphisms with Non-Alcoholic Fatty Liver Disease in a Multi-Ethnic Population.PLoS One. 2013;8(3):e58538 (ISI-Cited Publication)

Ng KT, Lee YM, Al-Darraji HA, Xia X, Takebe Y, Chan KG, Lu L, Mahadeva S, Kamarulzaman A, Tee KK.Genome sequence of the hepatitis C virus subtype 6n isolated from malaysia.Genome Announc 2013 1(1):e00168-12 (ISI/SCOPUS Cited Publication)

Mahadeva S, Goh KL. Letter: dyspepsia, anxiety and depression. Aliment Pharmacol Ther. 2013;37(1):166-7 (ISI-Cited Publication)

Tan HJ, Mahadeva S, Menon J, Ng WK, Zainal Abidin I, Chan FK, Goh KL.Statements of the Malaysian Society of Gastroenterology & Hepatology task force 2012 working party on the use of antiplatelet therapy and proton pump inhibitors in the prevention of gastrointestinal bleeding.J Dig Dis. 2013 Jan;14(1):1-10 (ISI-Cited Publication)

Romero RV, Mahadeva S.Factors influencing quality of bowel preparation for colonoscopy. World J Gastrointest Endosc. 2013;5(2):39-46. (SCOPUS-Cited Publication)

Hairin T, Marzilawati AR, Didi EMH, Mahadeva S, Lee YK, Rahman NA, Mustafa AM, Chik Z. Quantitative LC/MS/MS analysis of acetaminophen cysteine adducts (APAP CYS) and its application in acetaminophen overdose patients. Anal. Methods 2013;5:1955-1964 (ISI-Cited Publication)

Miwa H, Ghoshal UC, Fock KM, Gonlachanvit S, Gwee KA, Ang TL, Chang FY, Hongo M, Hou X, Kachintorn U, Ke M, Lai KH, Lee KJ, Lu CL, Mahadeva S, Miura S, Park H, Rhee PL, Sugano K, Vilaichone RK, Wong BC, Bak YT. Asian consensus report on functional dyspepsia. J Gastroenterol Hepatol. 2012 Apr;27(4):626-41 (ISI-Cited Publication)

Zain SM, Mohamed R, Mahadeva S, Cheah PL, Rampal S, Basu RC, Mohamed Z.A multi-ethnic study of a PNPLA3 gene variant and its association with disease severity in non-alcoholic fatty liver disease.Hum Genet. 2012 Jul;131(7):1145-52 (ISI-Cited Publication)

Mahadeva S, Yadav H, Everett SM, Goh KL.Economic impact of dyspepsia in rural and urban malaysia: a population-based study.J Neurogastroenterol Motil. 2012 Jan;18(1):43-57. (ISI-Cited Publication)

Hartono JL, Mahadeva S, Goh KL.Anxiety and depression in various functional gastrointestinal disorders: do differences exist? J Dig Dis. 2012 May;13(5):252-7 (ISI-Cited Publication)

Miwa H, Ghoshal UC, Gonlachanvit S, Gwee KA, Ang TL, Chang FY, Fock KM, Hongo M, Hou X, Kachintorn U, Ke M, Lai KH, Lee KJ, Lu CL, Mahadeva S, Miura S, Park H, Rhee PL, Sugano K, Vilaichone RK, Wong BC, Bak YT. Asian consensus report on functional dyspepsia.J Neurogastroenterol Motil. 2012 Apr;18(2):150-68 (ISI-Cited Publication)

Mahadeva S, Goh KL.Burden of Dyspepsia in Rural and Urban Asia: Author's Reply.J Neurogastroenterol Motil. 2012 Apr;18(2):230. (ISI-Cited Publication)

Mahadeva S, Goh KL. Letter: enteral nutrition in advanced cirrhosis - a case of missing the boat? Aliment Pharmacol Ther. 2012 Jul;36(2):205-6. (ISI-Cited Publication)

Sanjay Rampal, Sanjiv Mahadeva, Eliseo Guallar, Awang Bulgiba, Rosmawati Mohamed, Ramlee Rahmat, Mohamad Taha Arif, Lekhraj Rampal. Ethnic differences in the prevalence of metabolic syndrome: results from a multi- ethnic population-based survey in Malaysia. Plos One 2012:7; e46365 (ISI-Cited Publication)

Mahadeva S, Goh KL.Clinically significant endoscopic findings in a multi-ethnic population with uninvestigated dyspepsia.Dig Dis Sci. 2012 Dec;57(12):3205-12. (ISI-Cited Publication)

Marzilawati AR, Ngau YY, Mahadeva S. Low rates of hepatotoxicity among Asian patients with paracetamol overdose: a review of 1024 cases. BMC Pharmacol Toxicol. 2012 Sep 28;13(1):8 (ISI/SCOPUS Cited Publication)

Zaherah Mohamed Shah F, Suraiya HS, Poi PJ, Tan KS, Lai PS, Ramakrishnan K, Mahadeva S. Long-term nasogastric tube feeding in elderly stroke patients - an assessment of nutritional adequacy and attitudes to gastrostomy feeding in asians. J Nutr Health Aging 2012;16(8):701-6 (ISI-Cited Publication)

Wah-Kheong C, Jaganathan V, Sanjiv M. Cyclosporine rescue therapy in autoimmune liver cirrhosis: A case report. Turk J Gastroenterol 2012 Oct;23(5):599-603 (ISI-Cited Publication)

Katiman D, Manikam J, Goh KL, Abdullah BJ, Mahadeva S. Tumour Lysis Syndrome: a Rare Complication of Trans- Arterial Chemo-Embolisation with Doxorubicin Beads for Hepatocellular Carcinoma. J Gastrointest Cancer 2012;43 (Suppl 1):S187-S190 (SCOPUS-Cited Publication)

Manikam J, Kaur S, Mahadeva S, Abdullah BJ, Kumar S, Chin KF, Goh KL. Subcapsular hematoma of the liver following endoscopic retrograde cholangiography: a known but rare complication. Dig Endosc. 2011 Apr;23 (2):209-10. (ISI-Cited Publication)

Mahadeva S, Goh KL.Anxiety, depression and quality of life differences between functional and organic dyspepsia.J Gastroenterol Hepatol. 2011 Apr;26 Suppl 3:49-52. (ISI-Cited Publication)

Razlan H, Marzuki NM, Tai ML, Shamsul AS, Ong TZ, Mahadeva S.Diagnostic value of the C methacetin breath test in various stages of chronic liver disease. troenterol Res Pract. 2011;2011:235796. (ISI-Cited Publication)

Mahadeva S, Yadav H, Everett SM, Goh KL.Factors influencing dyspepsia-related consultation: differences between a rural and an urban population. Neurogastroenterol Motil. 2011 Sep;23(9):846-53. (ISI-Cited Publication)

Chan WK, Saravanan A, Manikam J, Goh KL, Mahadeva S.Appointment waiting times and education level influence the quality of bowel preparation in adult patients undergoing colonoscopy.BMC Gastroenterol. 2011 Jul 28;11:86. (ISI-Cited Publication)

Mahadeva S, Chan WK, Mohazmi M, Sujarita R, Goh KL. Validation study of the Leeds Dyspepsia Questionnaire in a multi-ethnic Asian population. J Gastroenterol Hepatol. 2011 Nov;26(11):1669-76. (ISI-Cited Publication)

Goh KL, Mahadeva S, Ho SH. Erosive oesophagitis with particular reference to Asians. Aliment Pharmacol Ther. 2011 Oct;34(7):821-2 (ISI-Cited Publication)

Short term nasogastric versus oral feeding in hospitalised patients with advanced cirrhosis: A randomised trial. Tai MLS, Razlan H, Goh KL, Mohd Taib SH, Huzaini AHM, Rampal S, Mahadeva S. e- SPEN, the European e-Journal of Clinical Nutrition and Metabolism 2011;6:e242-e247 (SCOPUS-Cited Publication)

Evaluation of the Dried Blood Spot (DBS) Collection Method as a Tool for Detection of HIV Ag/Ab, HBsAg, anti-HBs and anti-HCV in a Malaysian Tertiary Referral Hospital. Lee CE,S Sri Ponnampalavanar S,Syed Omar SF,Mahadeva S,Ong LY,Kamarulzaman A. Ann Acad Med Singapore 2011;40:448-53 (ISI-Cited Publication)

Nawawi O, Hazman MN, Abdullah BJJ, Vijayananthan A, Manikam J, Mahadeva S, Goh KL. Transarterial embolisation of hepatocellular carcinoma with doxorubicin-eluting beads: single centre early experience.Biomed Imaging Interv J 2010; 6(1):e7 (SCOPUS-Cited Publication)

Mahadeva S, Yadav H, Rampal S, Goh KL.Risk factors associated with dyspepsia in a rural Asian population and its impact on quality of life.Am J Gastroenterol. 2010 Apr;105(4):904-12. (ISI-Cited Publication)

Mahadeva S, Yadav H, Rampal S, Everett SM, Goh KL.Ethnic variation, epidemiological factors and quality of life impairment associated with dyspepsia in urban Malaysia.Aliment Pharmacol Ther. 2010 Feb 18. [Epub ahead of print] (ISI-Cited Publication)

Tai ML, Goh KL, Mohd-Taib SH, Rampal S, Mahadeva S. Anthropometric, biochemical and clinical assessment of malnutrition in Malaysian patients with advanced cirrhosis. Nutr J. 2010 Jun 24;9:27. (ISI-Cited Publication)

Sivarani S, Chan YK, Liam CK, Kumar G, Abdullah BJ, Mahadeva S. Gastrointestinal: Massive intraperitoneal haemorrhage in a young woman with Hereditary Hemorrhagic Telangiectasia. J Gastroenterol Hepatol 2010;25(9):1587. (ISI-Cited Publication)

Mahadeva S, Rembacken BJ. Standard "inject and cut" endoscopic mucosal resection technique is practical and effective in the management of superficial colorectal neoplasms. Surg Endosc. 2009 Feb;23(2):417- 22. (ISI-Cited Publication)

Manikam J, Mahadeva S, Goh KL, Abdullah BJ. Percutaneous, non-operative radio frequency ablation for haemostasis of ruptured hepatocellular carcinoma. Hepatogastroenterology. 2009 Jan-Feb;56(89):227-30. (ISI/SCOPUS Cited Publication)

Mahadeva S, Wee HL, Goh KL, Thumboo J. The EQ-5D (Euroqol) is a valid generic instrument for measuring quality of life in patients with dyspepsia. BMC Gastroenterol. 2009 Mar 12;9:20. (ISI-Cited Publication)

Mahadeva S, Sam IC, Khoo BL, Khoo PS, Goh KL. Antibiotic prophylaxis tailored to local organisms reduces percutaneous gastrostomy site infection. Int J Clin Pract. 2009 May;63(5):760-5. (ISI-Cited Publication)

Mahadeva S, Wee HL, Goh KL, Thumboo J. Quality of life in South East Asian patients who consult for dyspepsia: validation of the short form Nepean Dyspepsia Index. Health Qual Life Outcomes. 2009 May 23;7:45. (ISI-Cited Publication)

Kong SS, Taib NA, Mahadeva S. Successful management of intussusception with total polyp clearance in Peutz Jeghers syndrome using a combined endoscopic and surgical approach. BMJ Case Reports 2009 [doi:10.1136/bcr.08.2008.0628] (ISI/SCOPUS Cited Publication)

Mahadeva S, Malik A, Hilmi I, Qua CS, Wong CH, Goh KL. Transnasal endoscopic placement of nasoenteric feeding tubes: outcomes and limitations in non- critically ill patients.Nutr Clin Pract. 2008 Apr- May;23(2):176-81. (ISI/SCOPUS Cited Publication)

Mahadeva S, Chia YC, Vinothini A, Mohazmi M, Goh KL. Cost-effectiveness of and satisfaction with a Helicobacter pylori "test and treat" strategy compared with prompt endoscopy in young Asians with dyspepsia.Gut. 2008 Sep;57(9):1214-20. (ISI-Cited Publication)

Mahadeva S, Khoo BL, Khoo PS, Malik A, Hilmi I, Qua CS, Wong CH, Goh KL. Clinical impact and risk factors for percutaneous gastrostomy wound infections due to resistant organisms. Int J Infect Dis. 2008 Nov;12 (6):e149-50. (ISI-Cited Publication)

Ma WT, Mahadeva S, Quek KF, Goh KL.Tolerance and safety to colonoscopy with conscious sedation in Malaysian adults.Med J Malaysia. 2007 Oct;62(4):313-8 (SCOPUS-Cited Publication)

Mahadeva S, Chua CJ, Malik A, Chin KT, Jeyasingam R.Iatrogenic gastric ulceration in patients with percutaneous endoscopic gastrostomy feeding.Intern Med J 2007 Oct;37(10):732-3. (ISI-Cited Publication)

Ma WT, Mahadeva S, Kunanayagam S, Poi PJ, Goh KL.Colonoscopy in elderly Asians: a prospective evaluation in routine clinical practice.J Dig Dis. 2007 May;8(2):77-81. (ISI/SCOPUS Cited Publication)

Mahadeva S, Qua CS, Yusoff W, Sulaiman W.Repeat endoscopy for recurrent iron deficiency anemia: an (un)expected finding from southeast Asia.Dig Dis Sci. 2007 Feb;52(2):523-5. (ISI-Cited Publication)

Mahadeva S, Goh KL.Epidemiology of functional dyspepsia: a global perspective.World J Gastroenterol. 2006 May 7;12(17):2661-6. (ISI-Cited Publication)

Mahadeva S, Raman MC, Ford AC, Follows M, Goh KL , Axon ATR, Moayyedi P. Gastroesophageal reflux is more prominent in Western dyspeptics - a prospective comparison of British and South East Asian dyspeptics. Aliment Pharmacol Ther 2005;21 (12):1483-90 (ISI-Cited Publication)

Differential gene expression in colorectal cancer: quantitative analyses of angiogenesis genes and identification of potential candidates as molecular markers. JH Siong, AH Jennifer, SH Lim, M Rosmawati, M Sanjiv, LLC Ng, CW Law, CC Yeo. Medical Journal of Malaysia Vol. 60 Supplement A June 2005 (SCOPUS-Cited Publication)

Mahadeva S, Bellamy M, Kessel D, Davies MH, Millson CE, "Cost effectiveness of histoacryl glue vs. TIPS in the management of bleeding gastric varices.", 2003, Vol. 98, no. 12, pg. 2688 (ISI-Cited Publication)

Endoscopic Decompression May Not Relieve Biliary Obstruction Caused By Polycystic Liver Disease. Report of A Case From Malaysia Sanjiv M, SI Bux, Goh KL Digestive Endoscopy (2003) 15 : 216-218 (ISI-Cited Publication)

Mahadeva S, Ranjeev P, Goh KL.Hepaticogastric fistulation from a proximally migrated biliary stent.Gastrointest Endosc. 2003 Aug;58(2):295-7. (ISI-Cited Publication)

Mahadeva S, Prabakharan R, Goh KL.Endoscopic intervention for hepatolithiasis associated with sharp angulation of right intrahepatic ducts.Gastrointest Endosc. 2003 Aug;58(2):279-82. (ISI-Cited Publication)

Mahadeva S, Goh KL.Can a non-invasive strategy for managing young dyspeptics be safely implemented in Asia?J Gastroenterol Hepatol. 2003 Apr;18(4):359-62. (ISI-Cited Publication)

Mahadeva S, Bux SI, Goh KL. Endoscopic decompression does not relieve biliary obstruction in polycystic liver disease. Digest Endosc 2003;15:216-8. (ISI-Cited Publication)

Woodcock NP, Mahadeva S, Sudworth P, Johnstone D, MacFie J.An investigation into the sensitivities of translocating bacteria to a prophylactic antibiotic regimen.Ann R Coll Surg Engl. 2002 Nov;84(6):422-5. (ISI-Cited Publication)

Mahadeva S, Cohen A, Bellamy M.The stuck central venous catheter: beware of potential hazards.Br J Anaesth. 2002 Oct;89(4):650-2. (ISI-Cited Publication)

Mahadeva S, Linch M, Hull MA.Variable use of endoscopic haemostasis in the management of bleeding peptic ulcers.Postgrad Med J. 2002 Jun;78(920):347-51. (ISI-Cited Publication)

Mahadeva S, Wyatt JI, Howdle PD.Is a raised intraepithelial lymphocyte count with normal duodenal villous architecture clinically relevant?J Clin Pathol. 2002 Jun;55(6):424-8. (ISI-Cited Publication)

Mahadeva S, Connelly J, Sahay P. A test-and-treat policy does not save endoscopy workload in a non- referral hospital.Eur J Gastroenterol Hepatol. 2002 Mar;14(3):257-62. (ISI-Cited Publication)

Mahadeva S, Sahay P, Lewis RV. Pleuritic chest pain and hypoxia - a diagnostic dilemma. Br J Cardiol 2002;9(8):478-480. (SCOPUS-Cited Publication)

Mahadeva S, Goh KL. Transmission of Helicobacter pylori. JUNMEC 2001;6:12-14. (Non-ISI/Non-SCOPUS Cited Publication)

Mahadeva S, Lynch S, Davies MH.Liver transplantation in an undiagnosed schizophrenic.J R Soc Med. 1997 Oct;90(10):563. (ISI-Cited Publication)

Peng Soon Koh, Boon Koon Yoong, Anushya Vijayananthan, Ouzreiah Nawawi, Sanjiv Mahadeva. Jaundice and life- threatening hemobilia - A rare presentation of adult choledochal cysts. HPB 2013, 15 (Suppl. 2); 98. (ISI/SCOPUS Cited Publication)

Tai MLS, Razlan H, Goh KL, Taib SHM, Huzaini ATM, Rampal S, Mahadeva S. Short term nasogastric feeding for hospitalised Asian patients with liver cirrhosis. Hepatol Int 2011;5(1):356 (ISI-Cited Publication)

Mahadeva S, Mahfudz AS, Vijayanathan A. Pain and tolerance to ultrasound-guided percutaneous liver biopsy in Asian pateints with diffuse liver disease. Hepatol Int 2011;5(1):481 (ISI-Cited Publication)

Chan WK,Roslani AC,Goh KL,Mahadeva S. Iatrogenic colonic perforations during colonoscopy: incidence, management and outcome in a malaysian tertiary hospital.J Gastroenterol Hepatol 2011; 26 (Suppl. 5): 117 (ISI-Cited Publication)

Hilmi I,Hartono J,Pailoor J,Mahadeva S,Goh KL. Prevalence of microscopic colitis in patients with diarrhoea predominant irritable bowel syndrome. J Gastroenterol Hepatol 2011; 26 (Suppl. 5): 126 (ISI-Cited Publication)

Rahman MA,Taha H,Chik Z,Yew NH,Mahadeva S. An evaluation of acetaminophen-protein adducts in Malaysian patients with acetaminophen overdose a pilot study. J Gastroenterol Hepatol 2011; 26 (Suppl. 5): 149 (ISI-Cited Publication)

Rahman MA, Yew NY, Mahadeva S. Prevalence and clinical characteristics of acetaminophen-induced hepatotoxicity among adults in a multi-ethnic Asian population J Gastroenterol Hepatol 2011; 26 (Suppl. 5): 140 (ISI-Cited Publication)

Shah FZM,Mahadeva S,Said SH,Poi JHP,Tan KS,5 Ramakrishnan K,Lai P. Long-term nasogastric tube feeding in elderly stroke patients an assessment of nutritional adequacy and barriers to gastrostomy feeding. J Gastroenterol Hepatol 2011; 26 (Suppl. 5): 194 (ISI-Cited Publication)

P LAI, YY WONG, YC LOW, HL LAU, SC LIM, HS LEE, HC LOW, S MAHADEVA. An audit on the use of intravenous proton pumps inhibitors in a tertiary referral hospital In Malaysia. J Gastroenterol Hepatol 2011; 26 (Suppl. 5):265 (ISI-Cited Publication)

Mahadeva Sanjiv; Mahfudz Anis; Vijayanathan Anushya; et al.Accuracy of liver stiffness measurement in an Asian population with non-alcoholic fatty liver disease-a preliminary report. JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY Volume: 25 Supplement: 2 Pages: A102-A102 (ISI-Cited Publication)

Mahadeva Sanjiv; Goh Khean-Lee. Predictive value of alarm features in Malaysian patients with dyspepsia. JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY Volume: 25 Supplement: 2 Pages: A164-A164 (ISI-Cited Publication)

Mahadeva Sanjiv; Goh Khean-Lee.Prevalence and predictive factors for clinically significant endoscopic findings in a Malaysian population with dyspepsia. OF GASTROENTEROLOGY AND HEPATOLOGY Volume: 25 Supplement: 2 Pages: A164-A164 (ISI-Cited Publication)

Chan W-K; Saravanan A.; Manikam J.; et al. Risk factors for poor bowel preparation and its impact on technical performance and patient comfort in an Asian population. JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY Volume: 25 Supplement: 2 Pages: A61- A61 (ISI-Cited Publication)

Hartono JL, Mahadeva S, Qua CS, Goh KL. Anxiety and depression in IBS, NERD, IBS/NERD overlap, and healthy control subjects-is there a difference? J Gastroenterol Hepatol 2009;24 (Suppl 1): A66 

Hamizah R, Nurhayaty M, Tai LMS, Shamsul AS, Mahadeva S. Clinical utility of the 13C-Methacetin Breath Test (MBT) in diagnosing liver fibrosis and cirrhosis. Med J Malaysia 2008;63 (Suppl B): 61. 

MLS Tai, Mahadeva S, Siti H, Rampal S, Goh KL. Short term nasogastric feeding in hospitalized patients with advanced cirrhosis: preliminary data from a randomized trial. Med J Malaysia 2008;63 (Suppl B): 57. 

Mahadeva S, Yadav H, Goh KL. A population-based study of dyspepsia in rural Malaysia: epidemiology, health- care seeking behaviour and economic impact. Gastroenterology 2007;132(Suppl 2):A163 

Mahadeva S, Yadav H, Goh KL. Impact and risk factors for dyspepsia in urban South East Asians: a population- based study. Gastroenterology 2007;132(Suppl 2):A267 

MLS Tai, Mahadeva S, Siti H, Goh KL. Nutritional assessment of Malaysian patients with advanced liver cirrhosis. Med J Malaysia 2007;62 (Suppl A): 46. 

Mahadeva S, Khoo BL, Khoo PS, Sam IC. Targeted antibiotic prophylaxis to local organisms reduced peri- stomal infections in patients with percutaneous endoscopic gastrostomies. J Gastroenterol Hepatol 2006;21(Suppl 6):A 401 

Mahadeva S, Hilmi I, Chua CJ, Malik A, Wong CH, Qua CS, Goh KL. Clinical outcomes of transnasal endoscopic placement of naso-enteric feeding tubes in non-ICU patients. . J Gastroenterol Hepatol 2006;21(Suppl 6):A 501 

Mahadeva S, Vinothini A, Mohazmi M, Chia YC, Goh KL. Cost Effectiveness of a Helicobacter Pylori Test and Treat Strategy vs Prompt Endoscopy in the Management of Young Asian Patients with Dyspepsia: Preliminary results from a Randomised Trial Gastroenterology 2005;128 (Suppl 2):A156 

Ma WT, Mahadeva S, Goh KL. A prospective evaluation of patients tolerance to colonoscopy with current conscious sedation in a tertiary institution in Malaysia. J Gastroenterol Hepatol 2005;20(Suppl 1):A 194 

Ma WT, Mahadeva S, Goh KL. Safety of current conscious sedation in Malaysian adult patients undergoing colonoscopy. J Gastroenterol Hepatol 2005;20(Suppl 1):A 194 

Ma WT, Mahadeva S, Goh KL. Endoscopists experience is irrelevant to patient tolerance to colonoscopy a prospective evaluation from a large tertiary institution in Malaysia. J Gastroenterol Hepatol 2005;20(Suppl 1):A 194 

Ma WT, Mahadeva S, Goh KL. Endoscopists experience is irrelevant to patient tolerance to colonoscopy a prospective evaluation from a large tertiary institution in Malaysia. J Gastroenterol Hepatol 2005;20(Suppl 1):A 194 

Ma WT, Mahadeva S, Goh KL. Conscious sedation for colonoscopy in Malaysian patients undergoing colonoscopy still room for improvement. Med J Malaysia 2005;60(Suppl A):76 

Ma WT, Mahadeva S, Goh KL. Endoscopists experience is irrelevant to patient tolerance to colonoscopy a prospective evaluation from a large tertiary institution in Malaysia. Med J Malaysia 2005;60(Suppl A):68 

Ma WT, Mahadeva S, Goh KL. Safety of current conscious sedation in Malaysian adult patients undergoing colonoscopy. Med J Malaysia 2005;60(Suppl A):75 

Mahadeva S, Vinothini A, Mohazmi M, Chia YC, Goh KL. Cost analysis of a Helicobacter pylori test and treat strategy vs prompt endoscopy in the management of youing Asian patients with dyspepsia: preliminary results from a randomized trial. Med J Malaysia 2004;59(Suppl C):32 

Mahadeva S, Vinothini A, Mohazmi M, Chia YC, Goh KL. Satisfaction of a non-invasive management strategy for young Asian patients with dyspepsia: preliminary results from a randomized trial. Med J Malaysia 2004;59(Suppl C):33 

Vinothini A, Mahadeva S, Mohazmi M, Chia YC, Goh KL. Clinical efficacy of a Helicobacter pylori test and treat strategy vs prompt endoscopy in the management of young Asian patients with dyspepsia: preliminary results from a randomized trial. Med J Malaysia 2004;59(Suppl C): 

Raman MC, Mahadeva S, Goh KL. Age and other risk factors in determining serious upper gastrointestinal pathology in a multi-racial asian population with dyspepsia. Gastroenterology 2003;124(4):A181 

Mahadeva S, Raman MC, Follows M, Goh KL, Axon ATR ,Moayyedi P. Gastroesophageal reflux is more prominent in western dyspeptics: a prospective comparison study of British and South East Asian patients with dyspepsia. Gastroenterology 2003;124 (4):A165 

Mahadeva S, Rembacken BJ. Clinical efficacy and outcomes for colonic EMR. Gastrointest Endosc 2003; 

Mahadeva S, Ranjeev P, Goh KL. Modified therapy with recombinant growth hormone in patients with hepatic cirrhosis. Med J Mal 2003;58:46(Suppl D) 

Mahadeva S, Ranjeev P, Goh KL. Adjunctive therapy with growth hormone in patients with hepatic cirrhosis. J Gastroenterol Hepatol 2003;18:A43 

Mahadeva S, Bellamy M, Kessel D, Davies MH, Millson CE. Cost effectiveness of histoacryl glue vs. TIPS in the management of bleeding gastric varices. Gut 2002 (Suppl 1): A 97 

Mahadeva S, Ranjeev P, Goh KL. Coexisting right sharp ductal angulation with intrahepatic biliary strictures and hepatolithiasis a single center experience. Med J Malaysia 2002 (Suppl A);57:88 

Raman MC, Mahadeva S, Goh KL. Can we afford a non- invasive management strategy for young dyspeptics in a multi-racial Asian population ? Med J Malaysia 2002 (Suppl A) ;57:35 

Mahadeva S, Linch M, Mawer D, Babu S, Hull M. Endoscopic management of bleeding peptic ulcer disease in a large U.K. Teaching Hospital. Gut 2001;(Suppl I) 48:A13 

Mahadeva S, Wyatt J, Howdle PD. Is a raised intraepithelial lymphocyte count with normal villous architecture clinically significant ? Gut 2001;(Suppl I)48:A77 

Mahadeva S, Parekh N, Berkin KE, Bossomworth M, Millson CE, Bellamy M. Cardiac Troponin I as a marker of cardiac toxicity in paracetamol induced liver failure. Critical Care 2001 (Suppl) 5; S96 

Mahadeva S, Connelly J, Sahay P. Does Open Access Urea Breath Testing really affect Outpatient Endoscopy? a District Hospital s perspective. Gastroenterology 2000; 118 (Suppl 2): A1269 

Mahadeva S, Connelly J, Sahay P. Three year experience of a test and treat policy in a District (non- referral) Hospital. Gut 2000;47(Suppl 3):A88 

Studies to elucidate cellular and immunological mechanisms in Blastocystis Homonis isolated from patients with Irritable Bowel Syndrome, Co-Investigator, 2010-2012, HIR

Computed aided diagnosis and quantification of liver steatosis: a comparison between ultrasound and MRI, Co-Investigator, 2009-2012, Geran Penyelidikan Universiti Malaya (UMRG), National

Development of a locally-validated scoring system based on clinical symptoms and demographic factors in malaysian patients with colorectal cancer, Co-Investigator, 2009-2010, Geran Penyelidikan Universiti Malaya (UMRG), National

Short term feeding for hospitalised Asian patients with cirrhosis, Principal Investigator(PI), 2007-2008, Geran Penyelidikan Universiti Malaya (UMRG), National

THE ECONOMIC IMPACT OF GASTROINTESTINAL DISORDERS IN A MULTI-RACIAL ASIAN POPULATION: THE ROLE OF ETHNIC & SOCIAL FACTORS IN HEALTH CARE SEEKING BEHAVIOUR, Principal Investigator(PI), 2006-2008, CEDER, National

COST ANALYSIS AND EFFECTIVENESS OF A HELICOBACTER PYLORI TEST AND TREAT POLICY IN YOUNG PATIENTS WITH DYSPEPSIA IN A LOCAL COMMUNITY, Principal Investigator(PI), 2005-2007, Short Term Research Fund (Vote F)(PJP), National

Current advances in Colonoscopy, Digestive Endoscopy Workshop 2012, 28 Sep 2012 to 01 Oct 2012, Med Indiab Institute of Medical Specialities, (International)

Liver stiffness measurement in a multi-racial Asian population with NAFLD - a preliminary report, 1st Asean Fibroscan Academic Forum, 05 Mar 2010 to 07 Mar 2010, (International)

Nutrition in advanced cirrhosis, 7th Symposium on Nutri Indonesia in conjunction with 1st International Symposium on Nutrition, 05 Jul 2012 to 08 Jul 2012, Indonesian Nutrition Association, (International)

Gastroenterology Issues in Malaysia, Seoul International Digestive Diseases Symposium 2012, 22 Nov 2012 to 23 Nov 2012, Korean Society of Gastroenterology, (International)

Fibroscan - an alternative for liver biopsy, GUT 2012, 29 Jun 2012 to 01 Jul 2012, Malaysian Society of Gastroenterology and Hepatology, (National)

IBD: Asian Perspective, 2ND GI AND LIVER SCIENTIFIC MEETING, 28 Jan 2012 to 29 Jan 2012, Myanmar Gastroenterology & Liver Society, (International)

Nutrition issues in cirrhosis, GI Hep Singapore 2012, 12 Jul 2012 to 15 Jul 2012, Gastroenterology Society of Singapore (GESS), (International)

Nutrition in Liver Transplantation, 14th Scientific Meeting of the Malaysian Society of Transplantation, 02 Jun 2011 to 05 Jun 2011, Malaysian Society of Transplantation, (International)

Nutrition in Acute Pancreatitis, Asia Pacific Digestive Week 2011, 01 Oct 2011 to 04 Oct 2011, APDW Federation, (International)

Nutritional Assessment of the patient with GI problems, G.I.A. Programme, Endoscopy 2011, 14 Apr 2011 to 15 Apr 2011, Ministry of Health/ MSGH, (National)

How to do a literature search using PubMed, How to do research study and get it written up - a primer for the clinical masters candidate, 19 Sep 2011 to 20 Sep 2011, MERDU, (University)

Epidemiology and aetiology of dyspepsia in Malaysia, Mucosta 1-day Seminar, 22 Jan 2011 to 22 Jan 2011, Invida Pharmaceutical Company, (National)

Dyspepsia and IBS - the health burden, FUNCTIONAL GI DISORDERS IN PRIMARY CARE, 24 Jul 2011 to 24 Jul 2011, Abbot Laboratories, (National)

Issues in Alzheimer's: to PEG or not to PEG, 13th Asia-Pacific Regional Conference of Alzheimer's Disease International, 22 Oct 2010 to 24 Oct 2010, (International)

Cross fire: Constipation - high fibre vs low fibre, 7th Biennial Scientific Meeting of the Postgraduate Medical Education Society (PGMES), Alor Setar, 24 Jul 2010 to 25 Jul 2010, Postgraduate Medical Education Society, Hospital Sultanah Bahiyah, ALOR SETAR, (National)

Debate - Management of Upper Gastrointestinal Bleeding - Medical or Surgical ?, 2nd Malaysian International Medical Students Conference, 14 May 2010 to 14 May 2010, Society of MMA Medical Students & UM Medical Society, (International)

Long term risks of Proton Pump Inhibitors, MSGH Weekend Seminar in Gastroenterology & Hepatology, 15 May 2010 to 16 May 2010, Malaysian Society of Gastroenterology & Hepatology, (National)

Initial management strategie for uninvestigated dyspepsia, 1st GI & Liver Meeting, Yangon, Myanmar, 27 Feb 2010 to 28 Feb 2010, Myanmar Medical Association Gastroenterology & Liver Society, (International)

Role of pre-transplant liver biopsy, 13th Scientific Meeting of the Malaysian Society of Transplantation, Kuala Lumpur. 8-10 July 2010, 08 Jul 2010 to 10 Jul 2010, Malaysian Society of Transplantation, (International)

Management of Hepatitis C in drug addicts, 6th National Conference of Addiction Medicine, 23 Oct 2009 to 25 Oct 2009, (National)

H. pylori test & treat for the management of dyspepsia, Gut 2009, 25 Aug 2009 to 27 Aug 2009, Malaysian Society of Gastroenterology & Hepatology, (National)

Role of PPI in dyspepsia, GI Highlights 2009, 28 Jun 2009 to 28 Jun 2009, (National)

Fatty liver not a light issue, 1st Sabah Liver Meeting, 06 Nov 2009 to 07 Nov 2009, (National)

Non ulcer dyspepsia, Perak Gastrohepatology Update 2008, 07 Nov 2008 to 08 Nov 2008, (National)

Video session: Colonic EMR, Coloproctology 2008, 06 Mar 2008 to 07 Mar 2008

Current risk & management of NAFLD, Sanofi-Aventis Educational Programme, 15 Aug 2008 to 16 Aug 2008, (National)

Debate of dyspepsia management, GI Forum 3, 14 Jun 2008 to 15 Jun 2008, (National)

Barriers to Gastrostomy feeding, PEG/ Enteral Access workshop, 11 Feb 2012 to 11 Feb 2012, PENSMA, (National)

Barriers to Gastrostomy feeding in Malaysia, PENSMA 2012, 14 Jun 2012 to 16 Jun 2012, PENSMA, (International)

PEG - How I do it, Enteral Access Workshop, 26 Mar 2011 to 27 Mar 2011, PENSMA & PGMES Alor Setar, (National)

Anxiety and depression in IBS, NERD, IBS/NERD overlap, and healthy control subjects-is there a difference?, Asia Pacific Digestive Week 2009, 01 Apr 2009, (International)

Cost Effectiveness of a Helicobacter Pylori Test and Treat Strategy vs Prompt Endoscopy in the Management of Young Asian Patients with Dyspepsia: Preliminary results from a Randomised Trial, Digestive Diseases Week, 14 May 2005 to 19 May 2005, American Gastroenterological Association, (International)

Cost analysis of a Helicobacter pylori test and treat strategy vs prompt endoscopy in the management of youing Asian patients with dyspepsia: preliminary results from a randomized trial., GUT 2004, 01 Aug 2004, (National)

Clinical efficacy and outcomes for colonic EMR., Digestive Diseases Week, 25 May 2003, (International)

Cost effectiveness of histoacryl glue vs. TIPS in the management of bleeding gastric varices., British Society of Gastroenterology Annual Scientific Meeting, 01 Aug 2002, (International)

Endoscopic management of bleeding peptic ulcer disease in a large U.K. Teaching Hospital., British Society of Gastroenterology Annual Scientific Meeting, 01 Aug 2001, (International)

Clinical utility of the 13C-Methacetin Breath Test (MBT) in diagnosing liver fibrosis and cirrhosis., GUT 2008, 21 Aug 2008 to 24 Aug 2008, Malaysian Society of Gastroenterology & Hepatology, (National)

Short term nasogastric feeding in hospitalized patients with advanced cirrhosis: preliminary data from a randomized trial., GUT 2008, 21 Aug 2008 to 24 Aug 2008, (National)

Nutritional assessment of Malaysian patients with advanced liver cirrhosis., Liver Update, 12 Jul 2007 to 15 Jul 2007, Malaysian Liver Foundation, (National)

Impact and risk factors for dyspepsia in urban South East Asians: a population-based study., Digestive Diseases Week, 19 May 2007 to 24 May 2007, American Gastroenterological Association, (International)

A population-based study of dyspepsia in rural Malaysia: epidemiology, health-care seeking behaviour and economic impact., Digestive Diseases Week, 19 May 2007 to 24 May 2007, American Gastroenterological Association, (International)

Clinical outcomes of transnasal endoscopic placement of naso-enteric feeding tubes in non-ICU patients. ., Asia Pacific Digestive Week, 26 Nov 2006 to 29 Nov 2006, Asian Pacific Digestive Week Federation, (International)

Targeted antibiotic prophylaxis to local organisms reduced peri-stomal infections in patients with percutaneous endoscopic gastrostomies., Asia Pacific Digestive Week, 26 Nov 2006 to 29 Nov 2006, Asian Pacific Digestive Week Federation, (International)

A prospective evaluation of patients tolerance to colonoscopy with current conscious sedation in a tertiary institution in Malaysia., Asia Pacific Digestive Week, 25 Sep 2005 to 28 Sep 2005, Asian Pacific Digestive Week Federation, (International)

Safety of current conscious sedation in Malaysian adult patients undergoing colonoscopy., GUT 2005, 01 Aug 2005, (National)

Endoscopists experience is irrelevant to patient tolerance to colonoscopy a prospective evaluation from a large tertiary institution in Malaysia., GUT 2005, 01 Aug 2005, (National)

Endoscopists experience is irrelevant to patient tolerance to colonoscopy a prospective evaluation from a large tertiary institution in Malaysia., Asia Pacific Digestive Week, 25 Sep 2005 to 28 Sep 2005, APDWF, (International)

Safety of current conscious sedation in Malaysian adult patients undergoing colonoscopy., Asia Pacific Digestive Week, 25 Sep 2005 to 28 Sep 2005, Asian Pacific Digestive Week Federation, (International)

Satisfaction of a non-invasive management strategy for young Asian patients with dyspepsia: preliminary results from a randomized trial, GUT 2004, 01 Aug 2004, (National)

Adjunctive therapy with growth hormone in patients with hepatic cirrhosis., Asia Pacific Digestive Week 2003, 01 Aug 2003, (International)

Gastroesophageal reflux is more prominent in western dyspeptics: a prospective comparison study of British and South East Asian patients with dyspepsia., Digestive Diseases Week, 25 May 2003, (International)

Age and other risk factors in determining serious upper gastrointestinal pathology in a multi-racial asian population with dyspepsia., Digestive Diseases Week, 25 May 2003, (International)

Modified therapy with recombinant growth hormone in patients with hepatic cirrhosis., GUT 2003, 01 Aug 2003, (National)

Coexisting right sharp ductal angulation with intrahepatic biliary strictures and hepatolithiasis a single center experience., GUT 2002, 01 Aug 2002

Can we afford a non-invasive management strategy for young dyspeptics in a multi-racial Asian population ?, GUT 2002, 01 Aug 2002, (National)

Is a raised intraepithelial lymphocyte count with normal villous architecture clinically significant ?, British Society of Gastroenterology Annual Scientific Meeting, 01 Aug 2001, (International)

Three year experience of a test and treat policy in a District (non-referral) Hospital., British Society of Gastroenterology Annual Scientific Meeting, 01 Aug 2000, (International)

Does Open Access Urea Breath Testing really affect Outpatient Endoscopy? a District Hospital s perspective., Digestive Diseases Week, 01 Aug 2000, (International)

Live Enteral Access Workshop, PENSA 2009, 04 Jun 2009 to 07 Jun 2009, (International)

Conscious sedation for colonoscopy in Malaysian patients undergoing colonoscopy still room for improvement., GUT 2005, 01 Aug 2005, (National)

Clinical efficacy of a Helicobacter pylori test and treat strategy vs prompt endoscopy in the management of young Asian patients with dyspepsia: preliminary results from a randomized trial., GUT 2004, 01 Aug 2004, (National)

Cardiac Troponin I as a marker of cardiac toxicity in paracetamol induced liver failure., European Critical Care Conference, 01 Aug 2001, (International)

Antibiotic sensitivities of translocating bacteria in surgical patients., Annual British Surgical Association Meeting, 01 Aug 1999, (International)

Live Endoscopy Workshop, GI Hep Singapore, 18 Jun 2010 to 21 Jun 2010, Gastroenterological Society of Singapore, (International)

Asian Consensus of Functional Dyspepsia, Asian Neurogastroenterology and Motility Association (ANMA), 2011, 18, (International)

HELICOBACTER journal - reviewer, Article In Journal

Journal of Gastroenterology and Hepatology - reviewer, Article In Journal

European Journal of Gastroenterology and Hepatology - reviewer, Article In Journal

British Medical Journal Case Reports - reviewer, Article In Journal

Journal of Pancreas - reviewer, Article In Journal

Postgraduate Journal of Medicine = reviewer, Article In Journal

Malaysian Journal of Microbiology - reviewer, Article In Journal

Digestive and Liver Diseases - reviewer, Article In Journal

Health and Quality of Life Outcomes - reviewer, Article In Journal

Therapeutics and clinical risk assessment - reviewer, Article In Journal

Cochrane Hepato-Biliary Group - reviewer,

Journal of Neurogastroenterology and Motility, Article In Journal