Conference Papers: Recent submissions

  • Filarial dance sign (FDS) in patients with lymphatic filariasis 
    Premaratna, R.; Chandrasena, T.G.A.N.; Gunawardena, N.K.; de Silva, N.R.; de Silva, H.J. (Sri Lanka Medical Association, 2008)
    BACKGROUND: Lymphatic filariasis causes acute lymphangitis, epididymo-orchi tis hydrocoele, lymphoedema and nocturnal cough. Diagnostic tests based on circulating filarial antigens (CFA) and filarial ...
  • Dengue vector surveillance in a dengue hot-spot in Sri Lanka 
    Sumanadasa, S.D.M.; Hapugoda, M.D.; Perera, D.; Bandara, S.; Mansoor, M.A.; Peris, I.; Abeyewickreme, W. (Faculty of Tropical Medicine, Mahidol University, 2007)
    BACKGROUND: In South Asia, dengue has been declared as one of the most, fast-spreading vector-borne diseases. Therefore, mosquito surveillance is important for early detection of outbreaks along with implementation of ...
  • Correlation between clinical and laboratory diagnosis of dengue in Sri Lanka. 
    Hapugoda, M.D.; Khan, B.; de Silva, N.R.; Gunasekera, J.; Abeyewickreme, W. (Faculty of Tropical Medicine, Mahidol University, 2007)
    BACKGROUND: In Sri Lanka, diagnosis of dengue mainly depends on clinical signs and symptoms. Very few suspected patients from the state and private sector health institutions are tested by laboratory diagnostic assays ...
  • Effect of mass chemotherapy for filariasis control on soil-transmitted helminth infection in Western Province of Sri Lanka 
    Gunawardena, N.K.; Amarasekera, N.D.D.M.; Pathmeswaran, A.; de Silva, N.R. (The Royal Society of Tropical Medicine and Hygiene, 2007)
    In July 2006, Sri Lanka completed five rounds of annual mass drug administration (MDA) with diethylcarbamazine citrate and albendazole as part of its national programme for elimination of lymphatic filariasis. Albendazole ...
  • Potential use of IGR Pyriproxifen for control of dengue vector Aedes albopictus 
    Gunawardene, Y.I.N.S.; de Silva, N.R.; Abeyewickreme, W. (Sri Lanka College of Microbiologists, 1999)
    Dengue Fever (DF) Dengue Haernorrhagic Fever (DHF) is now a significant problem in Sri Lanka. The incidence of DHF has increased cyclically since the first recognized outbreak in 1989. Of the 203 suspected DHF cases recorded ...
  • The Effect of intestinal nematode infections on atopic diseases in children 
    Amarasekera, N.D.D.M.; Gunawardena, N.K.; de Silva, N.R.; Douglas, J.; O'Hehir, R.; Weerasinghe, A. (Allergy and Immunology Society of Sri Lanka, 2009)
    BACKGROUND : The effect of helminth infections on atopic diseases and allergic sensitization is controversial. Little is known about the effect of infection on atopic diseases in children living in areas where both intestinal ...
  • Allergic sensitization in children 
    Amarasekera, N.D.D.M.; Gunawardena, N.K.; de Silva, N.R.; Weerasinghe, A. (The Sri Lanka College of Paediatricians, 2008)
    BACKGROUND :Allergic sensitization is considered a significant risk factor for the development of atopic diseases. Appropriate allergen avoidance measures can be taken only when the pattern of sensitization to allergens ...
  • Silent transmission as a risk factor affecting transmission of dengue fever. 
    Hapangama, H.A.D.C.; Hapugoda, M.D.; Gunawardene, Y.I.N.S.; Premaratna, R.; Dayanath, M.Y.D.; Abeyewickreme, W. (Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, 2007)
    The global incidence of dengue fever has increased by more than four-folds over the last 30 years, making it the most threatening mosquito-borne viral disease at present. Objective of this study is to determine the role ...
  • Impact of repeated annual Diethylcarbamazine-Albendazole mass treatment on transmission of Wuchereria bancrofti in the Gampaha district. 
    Wijegunawardana, N.D.A.D.; Gunawardene, Y.I.N.S.; Abeyewickreme, W. (Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, 2007)
    Entomological and parasitological surveys are critical for the baseline evaluation of impact of repeated annual. Diethylcarbamazine-Albendazole mass treatment on the reduction of microfilaria density and level transmission ...
  • Dengue as-a public health problem in Sri Lanka 
    Hapangama, H.A.D.C.; Gunawardene, Y.I.N.S.; Hapugoda, M.D.; Premaratna, R.; Manamperi, A.; Gunasena, S.; Abeyewickreme, W. (La Fondation pour l’Université de Lyon, 2009)
    Dengue infection is an important global public health problem and an increasing number of persons from the South Asian region have been directly or indirectly affected by the disease. In Sri Lanka, dengue has become a major ...
  • Ovi-trap based surveillance for Aedes in dengue endemic Gampaha District, Sri Lanka during rainy season 
    Hapangama, H.A.D.C.; Wijegunawardana, N.D.A.D.; Gunawardene, Y.I.N.S.; Benjamin, S.; Abeyewickreme, W. (Faculty of Tropical Medicine, Mahidol University, 2008)
    Dengue is endemic in Gampaha District, Sri Lanka. Aedes aegypti and Aedes albopictus have been incriminated as vectors in urban and suburban environments. An ovitrap-based weekly surveillance was carried out to determine ...
  • Serotype distribution of dengue in Gampaha District, Sri Lanka 
    Jayasooriya, D.H.S.W.; Gunawardene, Y.I.N.S.; Manamperi, A.; Hapugoda, M.D.; Premaratna, R. (Faculty of Tropical Medicine, Mahidol University, 2008)
    Dengue Virus (DENV) affecting millions of people mainly in the tropical and subtropical regions is a positive sense RNA virus which exists in four different serotypes (DENV1-4) and several subtypes. All four serotypes have ...
  • Recent chikungunya outbreak in Sri Lanka 2006-2007 
    Abeyewickreme, W.; Bandara, K.B.A.T.; Dayanath, M.Y.D.; Sumanadasa, D.; Hapuarachchi, H.A.C.; Gunawardena, N.K.; Hapugoda, M.D.; Wijesiriwardena, B.; de Silva, S.; Perera, T. (Faculty of Tropical Medicine, Mahidol University, 2007)
    BACKGROUND: Chikungunya(CHIK) is a viral disease transmitted by Aedes mosquitoes. Cases with symptoms of CHIK had been reported from several parts of Sri Lanka in 2006-2007. Laboratory testing of samples is a prime requirement ...
  • Entomological assesment of Wuchereria bancrofti transmission following mass treatment in Gampaha District, Sri Lanka. 
    Wijegunawardana, N.D.A.D.; Gunawardene, Y.I.N.S.; Abeyewickreme, W. (Faculty of Tropical Medicine, Mahidol University, 2007)
    Global program to eliminate Lymphatic filariasis (Lf) relies mainly on Mass Drug Administration (MDA). Success of filariasis control programs depends on careful monitoring of infection levels in human populations as well ...
  • Transmission study of dengue fever in Gampaha District, Sri Lanka 
    Hapangama, H.A.D.C.; Gunawardene, Y.I.N.S.; Hapugoda, M.D.; Dayanath, M.Y.D.; Abeyewickreme, W. (Faculty of Tropical Medicine, Mahidol University, 2007)
    RATIONALE: Dengue is an important flaviviral infection in Sri Lanka.OBJECTIVES; To determine the effect of possible contributing factors on transmission of Dengue METHODS: A total of 40 households situated around 7 selected ...
  • Patterns of monthly Culex mosquito density variation in Gampaha district, Sri Lanka. 
    Wijegunawardana, N.D.A.D.; Gunawardene, Y.I.N.S.; Manamperi, A.; Abeyewickreme, W. (Faculty of Tropical Medicine, Mahidol University, 2009)
    BACKGROUND: The ecology, development, behavior, and survival of mosquitoes and the transmission dynamics of the diseases they transmit are strongly influenced by climatic factors. OBJECTIVE: The objective of this study was ...
  • GIS mapping of Lymphatic Filariasis endemic areas in Gampaha district, Sri Lanka; based on the epidemiological and entomological screening 
    Wijegunawardana, N.D.A.D.; Gunawardene, Y.I.N.S.; Manamperi, A.; Abeyewickreme, W. (Faculty of Tropical Medicine, Mahidol University, 2009)
    BACKGROUND: The health issues related to vector borne diseases appear always to be related to space and time. Therefore it is ideal to link Geographical Information Systems (GIS) with epidemiological and entomological data ...
  • Integrated school-based surveillance for soil-transmitted helminth infections and for lymphatic filariasis in Gampaha district, Sri Lanka 
    Gunawardena, N.K.; Gunawardena, S.; Kahathuduwa, G.; Karunaweera, N.D.; de Silva, N.R.; Ranasinghe, U.S.; Rao, R. U.; Rebollo, M.; Weil, G. J. (American Society of Tropical Medicine and Hygiene, 2013)
    The Sri Lankan Anti-Filariasis Campaign (AFC) conducted 5 rounds of annual mass drug administration (MDA) with albendazole and DEC in 2002-2006 in 8 districts that were endemic for lymphatic filariasis (LF) (target population ...
  • Randomized placebo-controlled trial of the efficacy of mebendazole polymorphs in the treatment of hookworm infections 
    Gunawardena, N.K.; Kumarendran, B.; Manamperi, N.H.; Senarathna, B.P.; Silva, M.; Pathmeswaran, A.; de Silva, N.R. (American Society of Tropical Medicine and Hygiene, 2013)
    Mebendazole has three polymorphic forms, identified as A, B and C. It has been suggested that unlike polymorph C, A is ineffective in the treatment of hookworm and whipworm infections. A randomized doubleblind, placebo-controlled ...
  • Reduced risk of atopic diseases among schoolchildren infected with intestinal Nematodes 
    Amarasekera, N.D.D.M.; Gunawardena, N.K.; de Silva, N.R.; Pathmeswaran, A.; Douglass, J.; O’Hehir, R.; Weerasinghe, A. (Federation of Immunology Societies of Asia-Oceania, 2008)
    BACKGROUND: The effect of helminth infections on atopic diseases and allergic sensitization is controversial. Little is known about the effect of infection on atopic diseases in children living in areas where both intestinal ...

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