Professor B A H Ranjan Premaratne
MBBS (C'bo), MD (C'bo), FRCP (Glasg), FCCP)
Senior Professor
Department of Medicine
Department of Medicine
Specialization
Infectious and General Medicine
Research Interests
- Dengue
- Rickettsial disease
- Chikungunya
- Leptospirosis
- Filariasis
Awards and fellowships
Prizes and awards:
- Vice Chancellors award for the Most Outstanding Researcher in Medicine in the Faculty of Medicine, University of Kelaniya, for the year 2011
- Vice Chancellors special award for the contribution to scientific research 2010
- Vice Chancellors award for the Best Researcher in the Faculty of Medicine, University of Kelaniya, for the year 2009
- Vice Chancellors special award for the contribution to scientific research 2008
- Professor Rajasooriya award for best scientific paper in Tropical Medicine - Sri Lanka Medical Association Academic sessions March 2007. for paper titled “Dengue fever mimicking acute appendicitis”
- Special award for best paper in cardiology at Sri Lanka Medical Association Academic sessions March 2000; For a paper titled “Effects of propranolol and nitrates on cardio Respiratory function of cirrhotic patients”
- Presidential Award for scientific research 1999- 2012
- Erasmus Mundus Scholarship for European Master of Science Programme in International Health, Berlin Germany 2012 - 2015
- Oak Ridge Institute of Science and Engineering Fellowship on advanced rickettsial disease diagnostics, Rickettsial Zoonosis Branch, CDC, Atlanta, Georgia, USA. September 2007
- Americam Society of Rickettsiology Travel Award to attend 21st Meeting of the American Society of Rickettsiology, August 2007, Colorado Springs, USA
- University of Kelaniya research grant for the study entitled ‘To study the prevalence of adult filarial worm burden in male patients living in Gampaha District’ in 2007
- University of Kelaniya research grant for the study entitled ‘Ragama fever study’ in 2006
- University of Kelaniya research grant for the study entitled “Changes in red blood cell antioxidant enzymes after treatment with diethyl carbamazine citrate in persons with asymptomatic microfilaraemia” 2002
- NARESA travel grant to attend Diamond Jubilee meeting of the British Society of Gastroenterology March 1997
Presenting and chief author:
- K.T. Fernando award for the paper presented at Sri Lanka Medical Associations. Session 2005. For a paper titled “A guide for Dengue detection and appropriate timing of hospital admissions”
- E.M. Wijerama award for the best Scientific paper for the year 2001, Sri Lanka Medical Association sessions March 2001. For a paper titled “Changes in red blood cell antioxidant levels and clearance of microfilaraemia after single dose and fourteen day treatments with diethyl carbamazine citrate in individuals with asymptomatic microfilaraemia.”
- Prof. Rajasooriya award for best scientific paper in Tropical Medicine at Sri Lanka Medical Association Academic sessions March 2000. For a paper titled “The role of antioxidants in filarial infection”
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Sir Frank Gunasekara award at Sri Lanka Medical Association Academic sessions March 2000. For a paper titled “Comparison of methods for diagnosis of bancroftian filariasis”
Orations/Guest lectures/Invited Speech/Plenary
Orations:
- Scrub typhus: Beyond the stethoscope: E.V Pieris Memorial Oration, Ceylon College of Physicians Golden Jubilee sessions, September 6-8, 2017
- Dengue Fever in Adults: Evolution of the illness and the Bed Side Challenge: Cyril Fernando Memorial Oration, Ceylon College of Physicians, 2012
- Rickettsial Disease in Sri Lanka; yesterday, today and tomorrow. P.B. Fernando Memorial Oration, Ceylon College of Physicians inauguration sessions, October 2010.
Addresses to Learned societies / Workshops as resource person or Plenary speaker / Key note addresses:
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Epidemiology of Rickettsial Infections (Workshop “Spot on Rickettsial Diseases”: 16th International Conference of International Society of Travel Medicine, Washington DC, June 5-9, 2019
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Dengue; will there be a solution: Second National Symposium on "Current Research Activities on Dengue" December 19, 2017. Faculty of Medicine, University of Kelaniya
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“Evolving Epidemiology of rickettsioses; Bugs and the Vectors” “02nd International Conference on Tropical Medicine” on December 8&9, 2017 Plant Genetic Resources Centre (PGRC), Gannoruwa, Peradeniya, Sri Lanka.
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Guidance through Case Reports- Down the Memory Lane Ceylon College of Physicians Golden Jubilee sessions, September 8, 2017
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Threats of infectious diseases in Sri Lanka; What are they? Will they remain the same? Ceylon College of Physicians Golden Jubilee sessions, September, 2016
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Rickettsial infections; Ecology and the Epidemiology, 17th International Congress of Infectious Diseases, Hyderebad India, March 2-5, 2016
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Rickettsial Infections: Old enemies in New Faces, Galle Medical Society Annual Academic Sessions, October 2015
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Rickettsial Infections in Sri Lanka: International meeting of the federation of Korean Microbiological Societies, Incheon, South Korea, 2014
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Dengue Chikungunya Co-infection. Dengue and Emerging Infections Meeting Singapore. November 2012
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Approach to Febrile illness in the tropics Asian Congress of Paediatric Infectious Diseases, December 2012
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Approach to Febrile illness in the tropics: Epidemiology vs Clinical Judgement Sri Lanka Medical Association, Monthly conference, July 2012
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Febrile illness in the tropics: Epidemiology vs Clinical Judgement 15th International Congress of Infectious Diseases, Bangkok, Thailand, June 13-17, 2012
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Steroid in Dengue: where do we stand? Annual Academic Sessions of the Kandy Medical Society. February, 2012
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Rickettsial Infections; ward to bench … bench to ward. Federation of Infection Societies Conference 2011, Manchester Central, UK, November 2011
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“At the eve of elimination of malaria in Sri Lanka” (Clinician’s Perspective). Ceylon College of Physicians, Sri Lanka – February 2011
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Rickettsial infections; the clinical aspect: Guest lecture Infection Day 2008, SLMA, Colombo, Sri Lanka
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Rickettsial Infections in the Western Province of Sri Lanka Resource Person, Ceylon College of Physicians Annual Academic Sessions, October 2008.
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Role of the Haematologist in PUOs. Sri Lanka College of Haematologists. 8th annual sessions 2008. 30th August 2008 at Lionel Memorial Auditorium.
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The change in the pattern of vector borne infections in Sri Lanka. July 2008, Faculty of Veterinary Medicine, University of Peradeniya, Sri Lanka.
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Workshops on pandemic preparedness and infectious disease surveillance with view to streamline faculty staff and resources in infectious disease research: Coordinator and resource person July – August 2007.
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Scrub Typhus in Sri Lanka. 2nd International Symposium of Infectious Disease and Health Sciences, Faculty of Veterinary Medicine and animal sciences, University of Peradiniya. July 26-27, 2007.
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Misuse of Antibiotics in Sri Lanka’ Guest lecture Infection Day 2005, SLMA, Colombo, Sri Lanka.
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Orientation Module: Diploma in Medical Microbiology, PGIM 2004/2005. Resource person; Introductory Lecture on Infectious Disease and the Microbiology service; 8/11/2004, Faculty of Medicine, University of Kelaniya.
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Clinical features of Rickettsial infections. Guest lecture College of Microbiologists Annual sessions; October 2003.
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Fever with deafness; lessons from the world war. Ceylon college of Physicians; Monthly meeting; June 2003.
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Atypical mycobacterial infections and HIV; Symposium on immunocompromised patients, Medical Institutio; Liverpool University UK; March 2002.
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The Global Emergency of Tuberculosis- College of Physicians Sri Lanka – Young Physicians Lecture -September 1999.
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Management of Medical Emergencies in Pregnancy. Resource Person, PGIM workshop for postgraduate students; NCTH, Ragama.
Publications
Book Chapters, Sections and Study Guides:
- Premaratna R., Clinical Cases in Tropical Medicine. Edit: Camilla Rothe. Elsevier Saunders
- Premaratna R., Rickettsial Infections. e-chapter in Kumar & Clark Clinical Medicine, P. Kumar and M. Clark Edit. 6th Edition Elsevier Saunders
- Premaratna R Infections caused by Rickettsiae, Orientia and Coxiella. Online contents; Kumar and Clark’s Cliical Medicine. Eds: P Kumar, M Clark’ 7th edition. Saunders, Elsevier.
- Premaratna, R., D. Dissanayake, F. H. Silva, M. Dassanayake, and H. J. de Silva."Secondary bacteraemia in adult patients with prolonged dengue fever."The Ceylon medical journal 60, no. 1 (2015): 10-12.
- Ekanayake, C. D., S. Padumadasa, R. Premaratna, S. Rajendrajith, and W. W. S. R. M. H. Samaranayake. "Transplacental transfer of dengue." Ceylon Medical Journal 59, no. 4 (2014): 145-146.
- Premaratna, Ranjan, Nimalka Ariyaratna, Champaka Attanayake, Wijesinghe Bandara, Nilmini Chandrasena, and Janaka de Silva. "Rickettsial infection among military personnel deployed in Northern Sri Lanka." BMC infectious diseases 14, no. 1 (2014): 688.
- A patient with severe body aches without fever progressing to dengue shock syndrome. Premaratna R, Miththinda JK, Abeyrathna C, de Silva HJ. Ceylon Med J. 2013 Dec;58(4):178-9. doi: 10.4038/cmj.v58i4.6323.
- Rickettsioses in the central hills of Sri Lanka: serological evidence of increasing burden of spotted fever group. Kularatne SA, Rajapakse RP, Wickramasinghe WM, Nanayakkara DM, Budagoda SS, Weerakoon KG, Edirisinghe JS, Premaratna R. Int J Infect Dis. 2013 Nov;17(11):e988-92. doi:
- Timing, predictors, and progress of third space fluid accumulation during preliminary phase fluid resuscitation in adult patients with dengue. Premaratna R, Ragupathy A, Miththinda JK, de Silva HJ. Int J Infect Dis. 2013 Jul;17(7):e505-9. doi:
- Scrub typhus pneumonitis. Premaratna R, Ariyaratna N, Botheju WI, Bandara NK, de Silva HJ. Int J Infect Dis. 2013 Apr;17(4):e284.
- Dealing with Acute Febrile Illness in the Resource Poor TropicsPremaratna, Tropical Medicine & Surgery 2013, 1:1 http://dx.doi.org/10.4172/tpms.1000101 Tropical Medicine & Surgery OMICS Publishing Group.
- Role of Rickettsial infections in acute coronary syndromes KCD Mettananda, Ranjan Premarathna, DST Danansuriya, NKBKRGW Bandara , HJ de Silva Sri Lanka Medical Association Annual Academic Sessions.
- Bacteraemia in Dengue Patients with Prolonged Fever Dissanayake D1, Silva FHDS1, Dassanayake M2, Premaratna R Sri Lanka Medical Association Annual Academic Sessions.
- Clinical Characteristics of PaediatricRickettsioses Premaratna R1., Mufeena MNF1, Madeena KSK1 Chandrasena TGAN2, Bandara NKBKRGW3, Karunasekara KAW4, Fernando MAM5, de Silva L5, de Silva HJ1 Sri Lanka Medical Association Annual Academic Sessions.
- Effectiveness of a single dose intravenous methyl prednisolone (SDIVMP) in reversing on going vascular leakage in dengue Ranjan Premaratna, ChanakaAbeyrathna, Kapila de Alwis, Asitha de Silva, Janaka de Silva Sri Lanka Medical Association Annual Academic Sessions.
- Blood Pressure Drop without fluid leakage in dengue Premaratna R., Ragupathy A, Miththinda JKND, de Silva HJ Sri Lanka Medical Association Annual Academic Sessions.
- Early onset organ specific presentations in dengue in the absence of shock syndrome. Premaratna R., Perera H1. Mettananda C., Peiris S3., de Silva HJ Sri Lanka Medical Association Annual Academic Sessions.
- An audit on guidelines based management of patients with dengue fever admitting to a tertiary care hospital Senanayake AMAHMS, Mithinda JKND, Thirumavalavan K Premaratna RCeylon College of Physicians Annual Academic Sessions.
Professional Contributions
Positions held and holding in academic and scientific bodies:
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Council Member of the International Society of Infection Disease.
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Member of the Board of study for Medicine: Post Graduate Institute of Medicne, University of Colombo August 2007 onwards.
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Honorary editor: Infectious Disease: Research and Treatment, www.la-press.com/infectious-diseases-research-and-treatment
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Oak Ridge Institute of Science and Engineering Research Fellow on advanced rickettsial disease diagnostics, Rickettsial Zoonosis Branch, CDC, Atlanta, Georgia, USA. September – November 2007
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Post of Unit Author for the Zoology ZOP 2314 in the open University of Sri Lanka 01.10.2006 – 31.12.2007
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Module coordinator for Infectious Diseases and Disease control module for the Certificate course in Community Health since October 2005
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Visiting Lecturer: Certificate course in Community Health since 2003.
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Senior Professor in the Department of medicine since 2017
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Chairman of the Ethics committee, Faculty of Medicine, University of Kelaniya since January 2011-2013
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Head, Department of Medicine, Faculty of Medicine, University of Kelaniya Since October 2010 -2013
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Head Examinations Unit, Faculty of Medicine, University of Kelaniya, since 2011- 2013
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Professor in Medicine, Department of Medicine, Faculty of Medicine Ragama, University of Kelaniya, since November 2008
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Senior Lecturer in Medicine, Faculty of Medicine Ragama, University of Kelaniya, 2000 September – November 2008
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Consultant in Charge of the Rickettsial Disease Diagnostic and Research Laboratory: Faculty of Medicine; University of Kelaniya Sri Lanka: 2008 March onwards
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Lecturer in Medicine Faculty of Medicine, University of Kelaniya November, 1995 - 1998
Contact Details
Department
Medicine
Medicine
Tel
+94 11 2953409 (Office)
+94 11 2953409 (Office)
Email
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