Academic Qualifications

• MBBS (First Class Honours) / 1991 / University of Colombo / Sri Lanka
• Master of Surgery / 1996 / University of Colombo / Sri Lanka

Professional Qualifications

• Fellow of Royal College of Surgeons of England- November 1998
• Fellow of Royal College of Surgeons of Edinburgh- June 1999

Memberships in Professional Organizations

• Sri Lanka Medical Council
• General Medical Council
• Sri Lanka Medical Association – Life member
• The College of Surgeons of Sri Lanka – Life member
• WHO Fellow in Medical Education- All India Institute of Medical Sciences (AIIMS) in Delhi 2001

Awards

• Milroy Paul Gold medal for Clinical Surgery- MS part Ⅱ

• Teaching undergraduates of Faculty of Medical Sciences, University of Sri Jayewardenepura in the form of didactic lectures, tutorials, seminars, ward based teaching and small group discussions.
• Supervising and teaching post graduate students in the theatres, clinics, wards and the Post Graduate Clinical Forum.
• All kinds of General Surgical Operations have been performed but my forte has been lower GI surgery.

Google Scholar Link

https://scholar.google.com/citations?user=MQ44CWQAAAAJ&hl=en

Publications and Scientific Communications

 Publications

• Biofilm prevalence and microbial characterization in chronic wounds in a Sri Lankan cohort A. Dilhari, M. Weerasekera, C. Gunasekara,S., N. Fernando, D. Weerasekera, A.J. McBain, Letters in applied Microbiology Volume 73 issue 4 2021 pp475-488 DOI: https://doi.org/10.1111/lam.13532
• Human stomach microbiota: Effects on health and disease. DLNL Ubhayawardana1, SSN Fernando, TDCP Gunasekara GGYH Weerasinghe, MM Weerasekera, DD Weerasekera Sri Lankan Journal of Infectious Diseases 2021 Vol.11(1): 3-12. DOI: http://dx.doi.org/10.4038/sljid.v11i1.8331
• Pyrin Gene Polymorphisms and H. pylori -associated Dyspepsia: A Sri Lankan Study. Yashodha Weerasinghe Chinthika Gunasekara, Manjula Weerasekera, Surangi Jayakody, Bimalka Seneviratne, Deepaka Weerasekera, Chaturika Jayasinghe, Navoda Perera, Thilini Gamage, Neluka Fernando, American journal of Laboratory Medicine 2021 6(1): 1-7 http: //www.sciencepublishing group.com/j/ajlm DOI: 10.11648/j.ajlm.20210601.11 ISSN: 2575-3878 (Print); ISSN: 2575-386X (Online)
• Distal pancreatectomy with coeliac axis resection (Appleby procedure). Prabath Kumarasinghe, Ruwan Dissanayaka, Buddika Uragoda, Dulani Benaragama, Deepaka Weerasekara. Sri Lanka Journal of Surgery 2021 39(1):63. DOI: 10.4038/sljs.v39i1.8796
• Patient-centred perioperative outcomes after major abdominal surgery in Sri Lanka: a multicentre registry. S Benham-Mirando, A Abayadeera, S Kannangara, V Dassanayake, D Weerasekera, GDD Priyadarshani, AM Dondorp, M Wijeyaratne, A Beane, R Haniffa. British Journal of Surgery, Volume 107, Issue 12, November 2020, Pages e603-e604, DOI: https://doi.org/10.1002/bjs.12051
• Circulating Micro RNA 21 Levels in Gastric Cancer Patients in SriLanka and Role of Helicobacter Pylori as a Risk for Development of Gastric Cancer Ubhayawardana DLNL, Nisansala GGT, Arachchi PS,Rajakaruna K, Wanigasekera DK , Gunasekera D , Seneviratne MB, Weerasekera D , Weerasekera MM , Fernando SSN and Gunasekara TDCP Journal of Diagnostic Techniques and Biomedical Analysis 2020 9:1 DOI: https://www.scitechnol.com/peer-review/circulating-micro-rna-21-levels-in-gastric-cancer-patients-in-sri-lanka-and-role-of-helicobacter-pylori-as-a-risk-for-development
• Prebiotics, Probiotics and personalized nutrition in modification of gut microbiota D L N L Ubhayawardana, S S N Fernando, T D C P Gunasekara & D D Weerasekera IPMA Journal 2020 14(10)49-52. https://impasl.com/wp-content/uploads/bsk-pdf-manager/2021/07/IMPA-Journal-2020-Volume-14-.pdf#page=61
• Salmonella enterica serovar Paratyphi A isolated from a hard-to-heal diabetic ulcer: a case report. Ayomi Dilhari, Sujatha Pathirage, Chinthika Gunasekara, Neluka Fernando, Deepaka Weerasekera, Andrew McBain, Manjula Weerasekera. Journal of Wound Care 2020 Jan 2;29(1):12-15. DOI: https://doi.org/10.12968/jowc.2020.29.1.12
• Helicobacter pylori infection and chronic gastritis; use of the Updated Sydney System in histopathological evaluation of gastritis Nushka Ubhayawardana, Manjula Weerasekera, Kamani Samarasinghe, Sameera Premalal, Deepaka Weerasekera, Chinthika Gunasekera, Neluka Fernando Research Square 2019 DOI: https://doi.org/10.21203/rs.2.14435/v1
• 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 DOI: https://doi.org/10.1186/s13104-018-3592-2
• Association of tumor necrosis factor alpha genepolymorphisms with Helicobacter pylori infection in dyspeptic patients in Sri Lanka Piyumali Sandareka Arachchi, Manjula Manoji Weerasekera, Bimalka Senevirathna, Deepaka Weerasekera, Neluka Fernando and Chinthika Prabhashinie Gunasekara Microbiology and Immunology 2018; xx: 1-7 DOI: 10.1111/1348-0421.12597
• 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 Weerasekera and Neluka Fernando World Journal of Pharmaceutical Research 2018 Volume 7, Issue 5, 48-61 ISSN 2277-7105. DOI: 10.20959/wjpr20185-11214
• 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, Chinthika Prabhashinie Gunasekara Gastroenterology research and practice 2017 Volume 2017 DOI: https://doi.org/10.1155/2017/6265150
• Evaluation of the impact of six different DNA extraction methods for the representation of the microbial community associated with human chronic wound infections using a gel-based DNA profiling method Ayomi Dilhari, Asanga Sampath, Chinthika Gunasekara, Neluka Fernando, Deepaka Weerasekera, Chris Sissons, Andrew McBain, Manjula Weerasekera AMB Express 2017 Volume 7, Issue 1, 1-11, DOI: 10.1186/s13568-017-0477-z
• 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 International Journal of Enteric Pathogens 2016 Volume 4, Issue 4 DOI: 10.15171/ijep.2016.12
• Characterization and detection of yellow vein disease of okra (Abelmoschus esculentus (L.) Moench) in Sri Lanka. HMSI Senevirathna, SK Wasala, DMJB Senanayake, D Weerasekera, HAM Wickamasinghe, PKGA Deepal Tropical Agricultural Research Vol. 27 (4): 360- 369 (2016) DOI:10.4038/tar.v27i4.8213
• 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. Weerasekera, T.D. Chinthika P. Gunasekara, and S.S.N. Fernando. International Journal of Enteric Pathogens. 2015 November; 3(4): e29796. DOI: 10.17795/ijep29796
• 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): 374-377DOI:10.4103/0255-0857.158557
• Antibiotic resistance in Helicobactor pylori: Recent insights D. Weerasekera, DMBT Dissanayake, GIDDAD Atthukorale, MM Weeraserara, SSN Fernando Sri Lanka Journal of Infectious diseases 2014 Vol.4(1): 2-8 DOI:10.1155/2012/723183
• An unusual case of skin metastasis from a breast cancer mimicking a lymphangiosarcoma. G S Nanayakkara, D Weerasekera, D H Beneragama, P Samararathna. Ceylon Medical Journal 2014 Jun;59(2):68-9. DOI: 10.4038/cmj.v59i2.7069
• Clinical presentation and risk factors of inflammatory bowel disease in Si Lanka Deepaka Weerasekera, Neluka Fernando, Meedin F, John Holton D. Fernando Topical Gastroenterology 2011;32(1):31-5 DOI: http://dx.doi.org/21922853
• Cholecystostomy does not prevent gallstone ileus: A case report. Siriwardane P N S, Deepaka Weerasekera, De Silva M. Cases Journal 2009, 2: 6790
• Effects of spices, medicinal plants and tea on the growth of Helicobacter pylori strains from Sri Lanka. Deepaka Weerasekera, Neluka Fernando, L.B.A.E. Bogahawatte, R. Rajapaksha Mallikahewa, D.J. Naulla. Journal of the National Science Foundation of Sri Lanka 2008: 36 (1); 91-94
• A are case of Goblet cell carcinoid presenting with acute appendicitis. J D Arudchelvem, P Dias, D Weerasekera. The Sri Lanka Journal of Surgery 2008: 26(2); 45-46
• Non-Helicobacter pylori Helicobacter species in humans: as emerging pathogens. N Fernando, D Weerasekera, I K Devasundara. The Sri Lanka Journal of Surgery 2008: 26 (1); 1-5
• The cost of diabetic foot conditions. H D R Siriwardana, D Weerasekera. The Ceylon Medical Journal 2007; 52 (3); 89-91
• Cryptic adenocarcinoma in an inguinal hernia. Siriwardene R C, Weerasekera D. The Sri Lanka Journal of Surgery 2006: 24 (1); 10
• Aerobic bacteria associated with symptomatic gall stone disease and their antimicrobial susceptibility. P R L Gomes, N Fernando, D D Weerasekera, D Velathanthri, N Rizni, M M Weerasekara, R Mahendra. Galle Medical Journal 2006: 11 (1); 9-13
• Bactericidal and anti-adhesive properties of culinary and medicinal plants against Helicobacter pylori. Rachel O’ Mahony, Huda Al-Khtheeri, Deepaka Weerasekera, Neluka Fernando, Dino Vaira, John Holtan, Christelle Basset. World Journal of Gastroenterology 2005; 21: 11 (47) 7499-7507
• An unusual cause for left lower quadrant abdominal pain. K. Jayasuriya, D.D. Weerasekera. The Sri Lankan Journal of Surgery 2005: 23 (1); 10-11
• The efficacy of surgical scrubs in reducing hand bacterial flora. D.M.B.T. Dissanayake, D. Weerasekera, R. Mahendra, N Fernando. The Ceylon Journal of Medical Science 2004; 47 (1)-5
• Role of skin cleansers and skin antiseptics in clinical practice. N Fernando, D Weearasekera, M Dabare, T Dissanayake. The Galle Medical Journal 2004; 9(1) 13-17
• A pilot study of a low-cost CLO test. N. Fernando, D. Weerasekera, Meedin F, Bogahawatta A. Ceylon Medical Journal 2003; 48(3) 98-99
• Helicobacter pylori serology in two MOH areas of the Western Province of Sri Lanka. Neluka Fernando, Deepaka Weerasekera, Sirimalee Fernando, Namal Liyanage, John Holton. The Ceylon Journal of Medical Science 2003; (46) 35-43
• Post graduate training in Sri Lanka- the point of view of trainees. A.M. Abeygunasekara, D.D. Weerasekera, D.A.K.N. Dunusinghe. The Sri Lanka Journal of Surgery 2003; 21 (1); 20-22
• Review on management of infection of the skin and subcutaneous tissue. Deepaka Weerasekera, Neluka Fernando. Indian Journal of Clinical practice, December 2002;5(3) 12-15
• Review on Helicobacter pylori an enigma of two decades. Neluka Fernando, Deepaka Weerasekara, Dayasiri Fernando. Sri Lanka Journal of Medicine, December 2002; 11(2) 31-38
• The management of the diabetic foot. D.D. Weerasekera, U.C.L Hewage, G.H.K.N. De S Devapura, D.J.S. Fernando. Sri Lanka Journal of Surgery 2000; 18;2-5

Presentations

• Assessment of burnout among surgical trainees in Sri Lanka. Varun Sriskandarajah, M A C Lakmal, Deepaka Weerasekera, R G M S Nandasena. Sri Lanka Journal of Surgery, Vol. 39, Abstract of the 50^th Annual Academic Sessions – 2021 of The College of Surgeons of Sri Lanka
• Gastric microbiota and its association with gastric pathology among dyspeptic patients in a tertiary care hospital in Sri Lanka Weerasinghe G Gunasekara TDCP Weerasekara MM Jayakody Senevirathne B Weerasekera DD Fernando SSN 14^th International conference on Health Science. Faculty of Medical Sciences, University of Sri Jayewardenepura OP5 15^th Oct 2021
• Does pyrin gene influence Helicobacter pylori associated inflammatory changes in gastric mucosa? Weerasing GGYH, Gunasekera TDCP, Weerasekera MM, Jayakody
• Weerasekera DD, Jayasinghe C, Perera MHN, Nisansala GGT, Fernando SSN The Bulletin of the Sri Lanka College of Microbiologists. 29^th Annual Scientific Sessions Virtual Scientific Programme 13^th – 14^th August 2020 Hosted from the Lionel Memorial Auditorium pp1
• Chronic diabetic wounds: inter individual variation amongst microbial profiles. Dilhari KAA, Gunasekara TDCP, Fernando SSN, Weerasekera DD, MacBain AJ, Sissions CH, Weerasekara MM, International conference on health sciences- 2019, Faculty of medical sciences, University of Sri Jayawardenepura, 17^th and 18^th October 2019.
• The impact of matrix metalloproteinases-2 (MMP-2) and metalloproteinase tissue inhibitor- 1 (TIMP-1) for wound healing in patients with chronic diabetic wounds. Wijesinghe RDGS, Jayasuriya WPDK, Lenaduwe SLA, Gamage GGTN, Dihari KAA, Gogahawatta LBAE, Gunasekara TDCP, Weerasekera DD, Fernando SSN, Weerasekara MM International conference on health sciences- 2019, 17^th and 18^th October 2019, University of Sri Jayewardenepura.
• 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, Weerasekera D, Weerasekara MM, Fernando SSN, Gunasekara TDCP Ceylon collage of Physicians, 51^st Annual academic Sessions 12-15 September 2018 Galadari Hotel, Colombo, Sri Lanka.74^th Annual Session, 2018. 604/E2/Poster.
• 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.
• 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, Fernando SSN, Weerasekara DD, Pathirage S, McBain AJ, Weerasekara MM. Proceedings of the international conference on health sciences 2018- FMS, USJ.
• Imprint cytology: A supportive diagnostic method for Helicobacter pylori in dyspeptic patients. Archchi PS, Weerasekera MM, Seneviratne MBS, Weerasekera D, Fernando SSN, Gunasekara TDCP. International Conference on Health Sciences 2018, Faculty of Medical Sciences, University of Sri Jayewardenepura.
• 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. Weerasekera, N. Fernando, C.P. Gunasekara, Annual Academic Sessions, College of Medical Laboratory Science, 20^th 20
• 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
• Dietary patterns and behavioural risk factors in Helicabacter pylori infection in a Sri Lankan dyspeptic patient population. Arachchi AMPS, weerasekara MM, Fernando SSN, Weerasekera 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 24^th -25^th May, OP37 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, Weerasekera DD, Bulugahapitiya U, Pathirana S, Sissons CH, McBain AJ, Weerasekara MM. The Scientific Sessions 2017, Faculty of Medical Sciences, Hospital, Sri Jayewardenepura General Hospital, Base Hospital Homagama Book of Proceedings 24^th -25^th May, OP8 2017
• Comparison of six different DNA extraction methods for polymerase chain reaction based denaturing gradient gel electrophoresis (PCR-DGGE). KAA Dilhari, TDCP Gunasekara, MKA Sampath, SSN Fernando, DD Weerasekera, C Sissons, AJ McBain, MM Weerasekara. Proceedings of the scientific sessions 2017- CMLS.SL
• Is Helicobacter pylori a problem in patient with dyspeptic symptoms in Sri Lanka? Athukorala GIDDAD, Ubayawardene N. Dissanayake DMBT, Weerasekera D, Gamage B, Fernando SSN, Samarasinghe K, Gayani GWGS, Bogahawatta LBAE Sri Lanka College of Microbiologist PP10
• Molecular and culture-based methods reveal polymicrobial aetiology and biofilm involvement in chronic diabetic wounds. A. Dilhari, C. Gunasekara, S. Pathirage, N. Fernando, D. Weerasekera, A.J. BcBain, M. Weerasekara. 7^th International Congress on Infectious Diseases Hyderabad, India 2016.
• Helicobacter pylori infection: correlation to disease severity and Clanthromycin resistance in Sri Lankan setting. N.L. Ubhayawardana, M. Weerasekara, C. Gunasekara, D. Weerasekera, Samarasinghe, N. Fernando 7^th International Congress on Infectious Diseases Hyderabad, India 2016.
• Histological findings in a Helicobacter pylori infected dyspeptic patient population. Ubhayawardana DLNL, Weerasekera 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.Society of Sri Lanka 7^th Annual Academic Sessions October 1-4, 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. Weerasekera International Journal of Technical Research and Applications e-ISSN: 2320-8163 GRDS International Conference Advances in Health and Life Sciences (Bangkok) (January 2015)
• Total mesocolic excision and central vascular ligation in tertiary care center. DD Weerasekara, AA Pathirana, T Wijeratne, BD Gamage, HKKT Duminda, A Kamladasa. Annual Academic Sessions 2015, The College of Surgeons of Sri Lanka.
• Is clarithromycin resistant Helicobacter pylori a problem in Sri Lanka: DLNL Ubhayawardana, MM Weerasekara, DD Weerasekera, TDCP Gunasekara, A Kishokumar, IWMP Wanigasooriya, A Gogahawaththa, K. Samarasinghe, SSN Fernando The Proceedings of the 127^th Anniversary International Medical Congress of the Sri Lanka Medical Association 15^th – 18^th July 2014 Abstract book
• Post coital vaginal laceration in a patient presenting with lump at introitus. OKDST Opatha, GS Nanayakkara, TT De Silva, D Weerasekera, KCDP Silva, AKP Ranaweera. 46^th Annual Scientific Sessions, Sri Lanka College of Obstetricians and Gynecologists, August 2013.
• Assessment of burnout among surgical trainees in Sri Lanka. Varun Sriskandarajah, M A C Lakmal, Deepaka Weerasekera, R G M S Nandasena Faculty of medical sciences, University of Sri Jayewardenepura, Sri Lanka
• pylori, Orexigenic Hormones, and diet. N Fernando, M Peelawatage, D Weerasekera, J Holton, XXIst International workshop on Helicobacter and related bacteria in chronic digestive inflammation and gastric cancer September 2008 Latvia
• A case of obstructive jaundice. Siriwardene P N, De Silva M V C, Weerasekera D. International conference on gastrointestinal pathology September 2007
• A prospective descriptive study on early morbidity and patient satisfaction following outpatient band ligation of hemorrhoids. Liyanage A S D, Weerasekera D D. Annual Scientific sessions of the College of Surgeons of Sri Lanka July 2007
• Abdominal radiographs requested in the setting of acute abdominal pain- a retrospective audit on the appropriateness of requests. A S D Liyanage, Weerasekera D D. Annual Scientific Sessions of the College of Surgeons of Sri Lanka July 2007
• A study on risk factors and outcome in diabetic foot disease in an urban population. Ekanayake G N S, Fernando K A E, Weerasekera D D, Sri Lanka Medical Association- 119^th Annual Scientific Sessions, March 2006
• Hand injuries: Experience at a base hospital. Kamal Jayasuriya, Mohomed Rizwan, Paul Perera, Deepaka Weerasekera. Annual Scientific Sessions of the College of Surgeons of Sri Lanka August 2005
• Chronic pain following open inguinal hernia repair. Kamal Jaysuriya, Rsika Liyanage, Paul Perera, Deepaka Weerasekera. Annual Scientific sessions of the College of Surgeons of Sri Lanka August 2005
  Won the best poster at the Annual Scientific sessions of the College of Surgeons of Sri Lanka 2005
• Aerobic bacteria associated with symptomatic gall bladder disease and their antimicrobial susceptibility. Gomes PLR, Fernando N, Weerasekera DD, Velathanthri VGN, Rizni MSM, Weerasekara MM. The bulletin of the microbiologists August 2005 Vol 3(1)15
• The efficacy of surgical scrubs in reducing hand bacterial flora. Dabare G M I, Dissanayake D M B T, Fernando S S N, Weearasekera D D, Mahendra R. Sri Lanka Medical Association 117^th Anniversary academic sessions March 22-28^th 2004
• Bactericidal and anti-adhesive properties of spices against Helicobacter pylori. R. O’Mahony, S. Shinokubo, D Weerasekera, A. Bogahawatte, N. Fernando, D. Vaira, J. Holton, C. Basset. XVII International workshop on gastrointestinal pathology and Helicobacter pylori 2002. 11-14^th September 2004, Vienna, Austria. Helicobacter Vol 9 (5) 01,12 pg 490
• Post thyroidectomy asymptomatic vocal cord palsy. Kamal Jayasuriya, Deepaka Weerasekera, Mohan De Silva. Annual Scientific sessions of the College of Surgeons of Sri Lanka 2004
• Communicating with patients- a need in total patient care. Kamal Jayasuriya, Deepaka Weerasekera, Mohan De Silva. Annual Scientific sessions of the College of Surgeons of Sri Lanka August 2004
  Won the Best paper at the Annual Scientific sessions of College of Surgeons of Sri Lanka 2004
• Endoscopic management of retained common bile duct stones in patients with T tube in situ. Mohan De Silva, Aloka Pathirana, Deepaka Weerasekera, Annual Scientific sessions of the College of Surgeons of Sri Lanka with the SAARC Surgical Care Society August 2003
• A rapid urease test for detecting Helicobacter pylori in Sri Lanka. N Fernando, D Weerasekera, A Bogahawatte. Annual Scientific sessions of the College of Surgeons of Sri Lanka with the SAARC Surgical Care Society August 2003
• Evaluation of a rapid urease test for detecting Helicobacter pylori. Fernando N, Meedin F, Weerasekera D. The bulletin of Sri Lanka College of Microbiologists 2003;1 (1) 36
• Laparoscopic assessment of gastric cancer: is it useful? A Pathirana, P Jayasekara, M Udukala, N Nugaduwa, M De Silva, D Weerasekera, D Fernando. Annual Scientific sessions of the College of Surgeons of Sri Lanka October 2002
• Is endoscopic examination justified in uncomplicated dyspepsia? Doluweera, De Silva M, A Pathirana, D Weerasekera, D Fernando. Annual Scientific sessions of the College of Surgeons of Sri Lanka October 2001
• Familial colorectal cancer- a Sri Lankan prospective. D E N Jayasuriya, M De Silva, D Weearasekera, D Fernando. Annual Scientific sessions of the College of Surgeons of Sri Lanka October 2001
• An audit of therapeutic endoscopic procedures in a newly established endoscopy unit. M De Silva, B D Gamage, A A Pathirana, S C P Rathnayake, D D Weerasekera, Dayasiri Fernando. Annual Scientific sessions of the College of Surgeons of Sri Lanka August 2000
• Evaluation of the Alvarado score in the diagnosis of acute appenedicitis. Weerasekera D D, Gamage B D, De Silva M, Dayasiri Fernando. Annual Scientific sessions of the College of Surgeons of Sri Lanka August 2000
• Audit on minor burns. Weerasekera D D, Abeygunasekara A M, Annual Scientific sessions of the College of Surgeons of Sri Lanka 1993
  Won the Young Investigator’s award at The Annual Academic sessions of College of Surgeons of Sri Lanka 1993

Citations

• Patient-centred perioperative outcomes after major abdominal surgery in Sri Lanka: a multicentre registry. S Benham-Mirando, A Abayadeera, S Kannangara, V Dassanayake, D Weerasekera, GDD Priyadarshani, AM Dondorp, M Wijeyaratne, A Beane, R Haniffa. British Journal of Surgery, Volume 107, Issue 12, November 2020, Pages e603-e604, DOI: https://doi.org/10.1002/bjs.12051
  of citations 02
• 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 Fernando1 and Chinthika Prabhashinie Gunasekara, BMC Res Notes (2018) 11:481 DOI: https://doi.org/10.1186/s13104-018-3592-2
  of citations 02
• Association of tumor necrosis factor alpha gene polymorphisms with Helicobacter pylori infection in dyspeptic patients in Sri Lanka Piyumali Sandareka Arachchi, Manjula Manoji Weerasekera, Bimalka Senevirathna, Deepaka Weerasekera, Neluka Fernando and Chinthika Prabhashinie Gunasekara Microbiology and Immunology 2018; xx: 1-7 DOI: https://doi.org/10.1111/1348-0421.12597
  of citations 01
• Evaluation of the impact of six different DNA extraction methods for the representation of the microbial community associated with human chronic wound infections using a gel-based DNA profiling method Ayomi Dilhari, Asanga Sampath, Chinthika Gunasekara, Neluka Fernando, Deepaka Weerasekera, Chris Sissons, Andrew McBain, Manjula Weerasekera AMB Express 2017 Volume 7, Issue 1, 1-11, DOI: 10.1186/s13568-017-0477-z
  of citations 46
• 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, Chinthika Prabhashinie Gunasekara Gastroenterology research and practice 2017 Volume 2017 DOI: https://doi.org/10.1155/2017/6265150
  of citations 15
• 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 International Journal of Enteric Pathogens 2016 Volume 4, Issue 4 DOI: 10.15171/ijep.2016.12
  No of citations 04
• Characterization and detection of yellow vein disease of okra (Abelmoschus esculentus (L.) Moench) in Sri Lanka. HMSI Senevirathna, SK Wasala, DMJB Senanayake, D Weerasekera, HAM Wickamasinghe, PKGA Deepal Tropical Agricultural Research Vol. 27 (4): 360- 369 (2016) DOI:10.4038/tar.v27i4.8213
  No of citations 07
• 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): 374-377DOI:10.4103/0255-0857.158557
  No of citations 11
• Proportion of Helicobacter pylori among dyspeptic patients detected by molecular methods in a teaching hospital in Sri Lanka. DL Ubhayawardana, Manjula M Weerasekera, Deepaka D Weerasekera, TD Gunasekera, SS Fernando. Int J Enteric Pathog. 2015 November; 3(4): e29796. DOI: 10.17795/ijep29796
  No of citations 04
• Antibiotic resistance in Helicobactor pylori: Recent insights D. Weerasekera, DMBT Dissanayake, GIDDAD Atthukorale, MM Weeraserara, SSN Fernando Sri Lanka Journal of Infectious diseases 2014 Vol.4(1): 2-8 DOI: 10.1155/2012/723183
  No of citations 01
• Clinical presentation and risk factors of inflammatory bowel disease in Sri Lanka. Deepaka Weerasekera, Neluka Fernando, F Meedin, John Holton, D Fernando. Tropical Gastroenterology 2011;32(1):31-35 DOI: http://dx.doi.org/21922853
  No of citations 03

Resource Persons and Guest Lectures

• Management of breast cancer in British Isles- Young surgeons forum organized for the College of Surgeons of Sri Lanka- August 2000
• Resource person at the Gastroenterology update at Colombo South Teaching Hospital organized by The Department of Surgery, University of Sri Jayewardenepura- February 2000
• Resource person in Preparatory course/ workshop for MS (Part II) trainees organized by The College of Surgeons of Sri Lanka May 2000
• Guest speaker at the Joint Clinical sessions of Sri Lanka Medical Association with The Galle Medical Association- June 2001
• Resource person at the Second post graduate course in Diabetes- Department of Medicine, University of Sri Jayewardenepura May 2001
  Lecture on diabetic foot
• Resource person at Sri Lanka Medical Association Joint meeting with the College of General practitioners- Ethics in policy and practice- August 2001
• Resource person at Monthly Academic Meeting at Sri Lanka Medical Association- July 2001
• Resource person at the Symposium on minor surgical procedures for General practitioners organized by The College of Surgeons of Sri Lanka and The College of General Practitioners held at BMICH- June 2001
• Resource person at the Mock examination for MS part II organized by The Department of Surgery, University of Peradeniya- June 2001
• Resource person at MS Part I General Surgery short revision course organized by The College of Surgeons of Sri Lanka- December 2002
• Resource person at the Mock Viva for MS part I organized by The College of Surgeons of Sri Lanka- January 2003
• Resource person at the Diploma in Family medicine course organized by the Post graduate institute of Medicine, University of Colombo- March 2003
  “Assessment and management of patient with constipation in general practice”
• Resource person at the Interactive case discussion in Gastroenterological Surgery organized by The College of Surgeons of Sri Lanka- October 2004
• Resource person at the Refresher course for Act 16 candidates organized by the College of Surgeons of Sri Lanka- June 2004
• Resource person at the Diploma in Family Medicine course 2004 organized by the Post graduate institute of Medicine, University of Colombo- May 2004
  Management of ano-rectal conditions
• Resource person at the Workshop on surgical skills for practicing doctors organized by the Department of surgery, University of Sri Jayewardenepura- December 2005
• Resource person at the Diploma in Family Medicine course organized by the Post graduate institute of Medicine, University of Colombo- March 2005
  “Assessment and management of patient with constipation in general practice”
• Resource person at “ENT study day for registrars” Held at Colombo South Teaching Hospital, Organized by the board of study Otolaryngology- May 2005
• Resource person at the Diploma in Family Medicine course organized by the Post graduate institute of Medicine, University of Colombo- August 2006
  “Management of patient with an acute abdomen”
• Resource person at the Laparoscopic training workshop at the skills development center at Colombo South Teaching Hospital, organized by the College of Surgeons of Sri Lanka- July 2007
• Resource person at the Workshop on Management of Ureter, bladder and bowel injury in Gynecological practice organized by the College of Surgeons of Sri Lanka- July 2007
• Resource person at the Sri Lanka Medical Association- Annual Scientific sessions 2007
  “Debate on foreign medical training”
• Resource person at the Workshop on Hands on laparoscopic surgery at the Department of Surgery, Colombo South Teaching Hospital Organized by The Department of Surgery and College of Surgeons of Sri Lanka- August 2008
• Resource person at the Diploma in Family Medicine course organized by the Post graduate institute of Medicine, University of Colombo- June 2008
  “Management of ano-rectal conditions”
• Resource person at ENT study day for registrars, held at Colombo South Teaching Hospital, organized by the board of study Otolaryngology- September 2008
• Resource person at the Diploma in Family medicine course organized by the Post graduate institute of Medicine, University of Colombo- August 2009
  “Surgical management of thyroid problem”
• Resource person at the Post graduate master class on Endotherapy the present consensus, organized by the College of Surgeons of Sri Lanka- August 2009
  Sri Lanka Medical Association- Annual Scientific Sessions
  “Symposium on inflamed pancreas revisited”
  Acute pancreatitis- How easy to predict the outcome?
• Resource person at workshop on anatomy of surgical exposure – James Cook University, Australia
• Resource person at PGIM academic sessions 2011

Organizer for workshops

• Rectal Surgery workshop by Prof. R.J. Heald – August 2002
• Laparoscopic hernia workshop by College of Surgeons of Sri Lanka – June 2004
• Endotherapy Workshop – August 2004
• Hands on endoscopy – November 2004
• Laparoscopic cholecystectomy “Hands on” workshop – July 2006
• Hands on Laparoscopic surgery – August 2008
• Endotherapy post graduate master class – August 2009
• Workshop on Science of Tissue Management – AWC, 2018
• Workshop on Science of Tissue Management (SoTM)- Abdominal Wall Closure, 2018, Organized by The College of Surgeons of Sri Lanka in collaboration with The Department of Surgery, Faculty of Medical Sciences, University of Sri Jayewardenepura
• Developed course material and resource person at workshop on anatomy of surgical exposure, 2016 – James Cook University, Australia
• Workshop on modernizing final MBBS examination – 2011
• Training the trainers workshop for surgeons – 2010
• Co-ordinator and resource person- Hands on Endoscopy for Surgical Registrars- Oesophagogastroduodenoscopy (OGD)/ Flexible Sigmoidoscopy (FS), organized by Department of Surgery, University of Sri Jayewardene & Sri Lanka Association of Minimal Access and Digital Surgeons
• Co-chairperson of the orthopedics ad trauma module committee- ‘Vedasa 2018’ medical exhibition

Books/ Chapters in Scholarly Works

Chapters

• Ward procedures in surgery
• Surgical skills for practicing doctors
• SAARC textbook of surgery chapter on IV fluids in surgery (Awaiting publication)

Two booklets in Sinhalese for general public on

• Bleeding per rectum
• Breast cancer

Awards

• Chronic pain following open inguinal hernia repair. Kamal Jaysuriya, Rsika Liyanage, Paul Perera, Deepaka Weerasekera. Annual Scientific sessions of the College of Surgeons of Sri Lanka August 2005
  Won the best poster at the Annual Scientific sessions of the College of Surgeons of Sri Lanka 2005
• Communicating with patients- a need in total patient care. Kamal Jayasuriya, Deepaka Weerasekera, Mohan De Silva. Annual Scientific sessions of the College of Surgeons of Sri Lanka August 2004
  Won the Best paper at the Annual Scientific sessions of College of Surgeons of Sri Lanka 2004
• Audit on minor burns. Weerasekera D D, Abeygunasekara A M, Annual Scientific sessions of the College of Surgeons of Sri Lanka 1993
  Won the Young Investigator’s award at The Annual Academic sessions of College of Surgeons of Sri Lanka 1993
• Research Awards 2018 – University of Sri Jayewardenepura
• Research Awards 2017 – University of Sri Jayewardenepura
• SUSRED Awards 2017 – In recognition of the supervision of the MPhil titled “Detection of clarithromycin resistant genes in Helicobacter pylori and histological assessment of gastric biopsies of patients with dyspepsia”
• National Research Council (NRC) merit award for scientific publication – 2015

Other Faculties of University of Sri Jayewardenepura

• Faculty of Allied Health Sciences