RESEARCH & PUBLICATIONS   Prof. D.D. Weerasekara Professor in Surgery and Head Department of Surgery Telephone - Office : +94 11 2758660      E-mail : deepakaweerasekera@yahoo.com   RESEARCH AND PUBLICATIONS 2002 Review on management of infection of the skin and subcutaneous tissues. Deepaka Weerasekera and Neluka Fernando. Indian Journal of Clinical Practice December 2002:5(3)12-15. Review on Helicobacter pylori an enigma of two decades. N Fernando, D Weerasekera, D Fernando Sri Lanka Journal of Medicine December 2002 Vol 11 (2) 31-38. 2003 Helicobacter pylori serology in two MOH areas of the Western Province of Sri Lanka N Fernando, D Weerasekera, S Fernando N Liyanage and J Holton The Ceylon Journal of Medical Science 2003 (46) 35-43. A pilot study of a low cost CLO test. N Fernando, D Weerasekera, F Meedin A Bogahawatta Ceylon Medical journal 2003;48(3) 98-99. 2004 The Efficacy of surgical scrubs in reducing hand bacterial flora G M I Dabare, D M B T Dissanayake, D Weerasekera, R Mahendra, N Fernando, The Ceylon Journal of Medical Science, June2004 (47) 1 1-5. Role of skin cleansers & skin antiseptics clinical practice N. Fernando, D. Weerasekara, M. Dabare, T. Dissanayake The Galle Medical Journal Sep. 2004 Vol 9 Pg 6 2005 Bactericidial and anti-adhesive properties of culinary and medicinal plants against Helicobacter pylori, R Mahony, Kgtheeri H. D Weerasekera, N Fernando, D Vaira, J Holton, C basset. World Journal of gastroenterology 2005 21;11. (47) .7499-507. 2006 Aerobic bacteria associated with symptomatic gallstone disease and their antimicrobial susceptibility Gomes P R L, Fernando S S N Weerasekera D. D Velathanthri, N. Rizny, M S M Weerasekera, M M Mahendra R. Gall medical Journal 2006 Vol 11 (1) 9-13 2008 Effects of spices, Medical plants and tea on the growth of Helicobacter pylori strains from Sri Lanka Weerasekera D Fernando N, Bogahawatta A, Rajapaksha Mallikahewa, Naulla Journal of the National Science Foundation of Sri Lanka. 2008: 36(1):91-94. Non-Helicobacter pylori Helicobacter species in humans: as emerging pathogens. N.Fernando, D Weerasekera, I.K.Devasurendra The Sri Lanka Journal of Surgery 2008;26;1-5 2011 Clinical presentation and risk factors of inflammatory bowel disease in Si Lanka Deepaka Weerasekara, Neluka Fernando, Meedin F, John Holton D. Fernando Topical Gastroenterology 2011:31-35 2014 Antibiotic resistance in Helicobactor pylori : Recent insights D. Weerasekara, DMBT Dissanayake, GIDDAD Atthukorale, MM Weeraserara, SSN Fernando Sri Lanka Journal of Infectious diseases 2014 Vol.4(1) : 2-8 2015 Detection of Clarithromycin-resistant Helicobacter pylori strains in a dyspeptic patient population in Sri Lanka by polymerase chain reaction-restriction fragment length polymorphism NL Ubbayawardana, MM Weerasekera, D. Weerasekera, K. Samarasinghe, TDCP Gunasekera, N. Fernando Indian Journal of Medical Microbiology (2015) 33(3): 374-377 Proportion of Helicobacter pylori Among Dyspeptic Patients Detected by Molecular Methods in a Teaching Hospital in Sri Lanka. D.L. Nushka, L. Ubhayawardana, Manjula M Weerasekara, Deepaka D. Weerasekara, T.D. Chinthika P. Gunasekara, and S.S.N. Fernando. International Journal of Enteric Pathogens. 2015 November; 3(4): e29796. Published online 2015 November 3. 2016 Association Between Selected Human Leukocyte Antigen Alleles and Helicobacter pylori Infection Among Dyspeptic Patients Piyumali Sandareka Arachchi, Chinthika Prabhashinie Gunasekara, Manjula Manoji Weerasekera, Nushka Lahiri Ubhayawardana, Deepaka Weerasekera, Kamani Samarasinghe, Bimalka Seneviratne, Neluka Fernando Int J Enteric Pathog. 2016 November;4(4):e 37102 doi 10.15171/ijep.2016.12 2017 Evaluation of the impact of six diferent DNA extraction methods for the representation of the microbial community associated with human chronic wound infections using a gel-based DNA profling method Ayomi Dilhari1, Asanga Sampath, Chinthika Gunasekara, Neluka Fernando, Deepaka Weerasekara, Chris Sissons, Andrew McBain and Manjula Weerasekera Dilhari et al. AMB Expr (2017) 7:179 DOI 10.1186/s13568-017-0477-z impact factor2.1 Proinflammatory Cytokine IL-17 Shows a Significant Association with Helicobacter pylori Infection and Disease Severity Piyumali Sandareka Arachchi, Neluka Fernando, Manjula Manoji Weerasekera, Bimalka Senevirathna, Deepaka D. Weerasekera, and Chinthika Prabhashinie Gunasekara Gastroenterology Research and Practice Volume 2017, Article ID 6265150, 7 pages https://doi.org/10.1155/2017/6265150 2018 Expression of Gastrin-17, Pepsinogen I and II and Helicobacter Pylori IgG in Sri Lankan Dyspeptic patient population using gastropanel Piyumali Sandareka Arachchi, Chinthika Prabhasinie Gunasekara, Manjula Manoji Weerasekara, Bimalka Senevirathna, Deepaka Weerasekara and Neluka Fernando World Journal of Pharmaceutical Research Volume 7, Issue 5, 48-61 ISSN 2277-7105 Imprint cytology: a useful screening test for diagnosis of Helicobacter pylori in resource poor settings Piyumali Sandareka Arachchi , Manjula Manoji Weerasekera , Bimalka Seneviratne, Deepaka Weerasekera, Neluka Fernando and Chinthika Prabhashinie Gunasekara, BMC Res Notes (2018) 11:481 https://doi.org/10.1186/s13104-018-3592-2. Association of tumor necrosis factor alpha gene polymorphisms with Helicobacter pyloriinfection in dyspeptic patients in Sri Lanka. SCI Arachchi, P. S., Weerasekera, M. M., Senevirathna, B., Weerasekera, D, Fernando, N. and Gunasekara, C. P. Microbiol Immunol. pp1-7. doi:10.1111/1348-0421.12597 (2018),     ABSTRACTS 2003 A rapid urease test for detecting Helicobacter pylori in Sri Lanka. N Fernando, D Weerasekera A Bogahawatta. The Annual Sessions of the College of Sri Lanka 2003 and Second international conference of the SAARC Surgical care Society. 14-16th August 2003. Preliminary evaluation of a rapid urease test Fernando N, Meedin, F Weerasekera, D The bulletin of Sri Lanka college of Microbiologist pp2. 2003;1(1) p36 2004 The Efficacy of reducing surgical scrubs in reducing hand bacterial flora. Dabare, GMI, Dissanayake, DMBT, Fernando S S N Weerasekera D. D Mahendra R. Sri Lanka Medical Association 117th anniversary academic sessions 22-28th Bactericidial and anti-adhesive properties of spices against Helicobacter pylori, R Mahony, S Shinokubo, D Weerasekera, A Bogahawatte, N Fernando, D Vaira, J Holton, C basset. 2002 XVII International Workshop on gastro intestinal pathology and Helicobacter pylori 11-14th sep ,2004, Vienna, Austria helicobacter Vol 9(5) 01.12 pg 490. 2005 Aerobic bacteria associated with symptomatic gallbladder disease and their antimicrobial susceptibility Gomes P L R, Fernando S S N Weerasekera D D Velathanthri V G N S Rizni M S M Weerasekera M M The bulletin of the college of Microbiologist August 2005 vol 3 (1) :15 2007 Inflammatory bowel disease in Sri Lanka: are Helminths involved? HPA Conference 2007 D Weerasekera N Fernando, Fernando D Meedin F Holton J 2008 Helicobacter pylori oxygenic hormones and diet Fernando N, Peellawatage, Gunasekera K, Weerasekera D Holton J Holton XXIst International Workshop on Helicobacter and related bacteria in chronic digestive inflammation and gastric cancer Helicobacter Vol 13(5) 436.po6 2014 Is clarithromycin resistant Helicobacter pylori a problem in Sri Lanka. DLNL Ubhayawardana, MM Weerasekara, DD Weerasekara, TDCP Gunasekara, A Kishokumar, IWMP Wanigasooriya, A Gogahawaththa, K. Samarasinghe, SSN Fernando The Proceedings of the 127th Anniversary International Medical Congress of the Sri Lanka Medical Association 15th - 18th July 2014 Abstract book OP17 2015 Helicobacter pylori, risk factors and resistance to clarithromycin among dyspeptic patients in Sri Lanka SSN Fernando, N. Ubayawardene, MM Weerasekera, TDCP Gunasekara, D. Athukorale, D. Weerasekara International Journal of Technical Research and Applications e- ISSN: 2320-8163 GRDS International Conference Advances in Health and Life Sciences (Bangkok) (January, 2015) Histological findings in a helicobacter pylori infected dyspeptic patient population. Ubhayawardana DLNL, Weerasekara DD, Fernando SSN, Kishokumar A, Wanigasooriya IWMP, Weerasekara MM, Gunasekara TDCP, Samarasinghe K. Faculty of Medical Sciences, University of Sri Jayewardenepura, Scientific Sessions 2015, PP22. 2016 Helicobacter pylori infection: correlation to disease severity and Clanthromycin resistance in Sri Lankan setting. N.L. Ubhayawardana, M. Weerasekara, C. Gunasekara, D. Weerasekara, Samarasinghe, N. Fernando 7th International Congress on Infectious Diseases Hyderbard, India 2016. Association of selected HLA DQA1 and DQB1 alleles with Helicobacter pylori infection and disease severity among dyspeptic patients. Arachchi AMPS, Weerasekera MM, Fernando SSN, Ubhayawardana DLNL, Weerasekara D, Samarasinghe K, Senevirathna MBS, Gunasekara TDCP. SLMA 129th Anniversary International Medical Congress, 2016. Is Helicobacter pylori a problem in patient with dyspeptic symptoms in Sri Lanka? Athukorala GIDDAD, Ubayawardene N. Dissanayake DMBT, Weerasekara D, Gamage B, Fernando SSN, Samarasinghe K, Gayani GWGS, Bogahawatta LBAE Sri Lanka College of Microbiologist PP10 2017 Development and validation of a reference marker for identification of aerobic and anaerobic bacteria association with diabetes chronic wound ulcers using PCR denaturing gradient gel. Dilhari KAA, Gunasekara TDCP, Fernando SSN, Weerasekara DD, Bulugahapitiya U, Pathirana S, Sissons CH, McBain AJ, Weerasekara MM. The Scientific Sessions 2017, Faculty of Medical Sciences, University of Sri Jayewardenepura in Collaboration with Colombo South Teaching Hospital, Sri Jayewardenepura General Hospital, Base Hospital Homagama Book of Proceedings 24th -25th May, OP8 2017 Dietary patterns and behavioural risk factors in Helicabacter pylori infection in a Sri Lankan dyspeptic patient population. Arachchi AMPS, weerasekara MM, Fernando SSN, Weerasekara D, Senevirathna MBS, Gunasekara TDCP The Scientific Sessions 2017, Faculty of Medical Sciences, University of Sri Jayewardenepura in Collaboration with Colombo South Teaching Hospital, Sri Jayewardenepura General Hospital, Base Hospital Homagama Book of Proceedings 24th -25th May, OP37 2017 Use of a simple Gram stain method bench marked with scanning electron microscopy to identify biofilm involvement in chronic wound infection Dilhari K AA Gunasekera TDCP FernandoS S N Weerasekera D D bulugahapitiya U Pathirage S Kottegoda N Mc Bain A J Weerasekera M M The Ceylon Medical Journal Vol 62 supplement 1 OP61 ISSN 0009-0875 Identification of aerobic and anaerobic bacteria in chronic diabetic wounds Dilhari KAA, Gunasekara TDCP Fernando SSN, Weerasekara DD, Bulugahapitiya U, Pathirage S, Weerasekara MM, Sri Lanka College of Microbiologists pp8 Volume 15, August 2017 ISSN 1391-930X Gastropanel Assay: A Non - Invasive diagnostic method for diagnosis of Helicobacter Pylori infection and disease severity. P.S. Arachchi, T.N. Gamage, P.S. Edirisooriya Arachchi, M.M. Weerasekara, B. Senevirathnw, D. Weerasekara, N. Fernando, C.P. Gunasekara, Annual Academic Sessions, College of Medical Laboratory Science, 20th Nov. 2017 Comparision of six different DNA extraction method for Polymerase chain reaction based denaturing gradient gel- electorphoresis (PCR-DGGE) K.A.A. Dilhari, T.D.C.P. Gunasekara, M.K.A. Sampath, S.S.N. Fernando, D.D. Weerasekara C.Sessons, A.J. McBain, M.M. Weerasekara, Annual Academic Sessions, College of Medical Laboratory Science, 20th Nov. 2017 almonella Paratyphi a as an unusual pathogen isolated from an infected diabetic wound Dilhari K.A.A., Pathirage S, Gunasekara T.D.C.P., Fernando S.S.N., Weerasekara D.D., Bulugahapitiya U., Weerasekara M.M. Abstract Book of National Health Research Sysmposium 2017, Educational Training and Research Unit, Ministry of Health, Nutrition and Indigenous Medicine 2018 Polymicrobial aetiology of infected chronic diabetic wounds. Dilhari KAA, Pathirage S, Gunasekara TDCP, Fernando SSN, Weerasekera DD, Macbain AJ, Weerasekera MM. In the Bulletin of the Sri Lanka College Microbiologi OP1. International Conference on Infectious Diseases and Antimicrobial Resistance. 08 - 11 August 2018, Taj Samudra, Colombo, Sri Lanka. Clinicopathological features of patients with gastric carcinoma and status of Helicobacter pylori infection. Ubayagunawardene DLNL, Nisansala GGT, Arachchi PS, Rajakaruna K, Wanigasekera DK, Gunasekara D, Senevirathne MBS, Weerasekara D, Weerasekara MM, Fernando SSN, Gunasekara TDCP Ceylon collage of Physicians, 51st Annual academic Sessions 12-15 September 2018 Galadari Hotel, Colombo, Sri Lanka. Efficacy of three visualization techniques: fluorescent in situ hybridization, gram staining and scanning electron microscopy in identifying biofilm involvement of infected chronic wounds. Dilhari KAA, Gunasekara TDCP, Weerasekera DD, Fernando SSN, Pathirage S, McBain AJ, Weerasekera MM International Conference on Health Sciences Faculty of Medical Sciences, USJP 7th - 9th October, 2018 Waters Edge, Colombo Imprint cytology: A supportive diagnostic method for Helicobacter pylori in dyspeptic patients. Arachchi PS, Weerasekera MM, Senevirathne MBS, Weerasekera D, Fernando SSN, Gunasekara TDCP International Conference on Health Sciences, Faculty of Medical Sciences, USJP 7th - 9th October, 2018 Waters Edge, Colombo.