Conference Papers

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This collection contains abstracts of conference papers, presented at local and international conferences by the staff of the Faculty of Medicine

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    Behaviour of Cytokines IL10, IL6 and IFy during late febrile and immediate defervercent phases of Dengue
    (Sri Lanka Medical Association, 2014) Weerasinghe, O.M.S.; Premaratna, R.; Gomes, L.; Perera, J.; Silva, S.; Abeyratna, C.; Kasturiratne, A.; Malavige, N.; de Silva, H.J.
    INTRODUCTION AND OBJECTIVES: Cytokines have been implicated in dengue (DF) pathogenesis. Behaviour of cytokines during the late febrile phase (LFP) and immediate defeversence have not been studied, but may be useful to understand the pathophysiology of disease progression and effect of interventions. METHODS: A preliminary prospective study was performed to investigate 1L-10, IL6 and IFy (pg/ml) responses during the late febrile phase (around fifth day) and immediate defervestence in confirmed (NSlAg positive} dengue patients. Demographic, clinical and laboratory data were collected. Two samples of 1 m! serum were obtained during the above stages of the illness and stored at -80°C to assess cytokine levels. Cytokine levels were compared between phases (LFP and afebrile) and stages (DF, precritical and critical dengue shock syndrome (DSS)). LFP cytokine levels were compared for disease stages using one-way Anova test. RESULTS: 18 patients (11 males, mean age 26 years (SD 10.6)) were studied. There were 3 DF, 9 precritical and 6 criticaj DSS based on national guidelines. Mean temperature during LFP and defervescent phases were 102.07°F (SD 0.98) and 98.53°F (SD 0.26). Median (interquartile range) of IL10, IL6 and IFy in LFP were 164.3 (90.8 - 259.5), 26 (12.7-54.6), 246.5 (117.5-511.8) and during defervescent phase were 17.4 (6A-112.2), 11.9 (4.9-28.2), 2.58 (0.0-58.4) respectively. LFP IL10 significantly correlated with disease stages (F-3.99, P-0.041), IL6 and IFy had no correlation. CONCLUSIONS: All three cytokines rapidly declined with defervecence. IL10 in febrile phase showed significant correlation with disease severity.