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INTRODUCTION AND OBJECTIVES: Rickettsioses are re-emerging in Sri Lanka. Both children and adults are vulnerable to these infections. Data on paediatric rickettsioses in the country are sparse. Objectives were to study the clinical characteristics of paediatric rickettsioses based on data received by the Rickettsail Disease Diagnostic and Research Laboratory (RDDRL), Faculty of Medicine, University of Kelaniya, over the last two years. METHODS: All clinical and laboratory data of confirmed rickettsioses were analyzed. RESULTS: Out of 46 requests received by the RDDRL, 22 were positive for acute rickettsioses in diagnostic titres IFA-IgD>1:128 (all>256). Of the positives, 16 were positive for spotted fever group rickettsioses (SFG), 5 for scrub thypus (ST) and 1 for both. 4/5 ST had eschars. The mean age was 56.59 months. (43.9); the youngest affected was aged 5 months. Of the sample 12 (54.5%) were male. Fever was present in all; mean duration was 9.81 (4.5) days; fever intensity was 102.80F (1.03); frequency of spikers per day was 2.33 (0.67). clinical features were headache 12 (54.5%), body aches 9 (40.9%), joint pains 6 (27.3%), cough 14 (63.6%), shortness of breath 5 (22.7%), rash 14 (63.6%); macular popular rash 13, diarrhea 4 (18.2%), lymphadenopathy 7 (31.8%), palpable liver 4, palpable spleen 1. Total WBC 11.1x109/L (SD-4.8); neurophils-84.8% (SD-13.8) lymphocytes 40.5% (17.2). ESR 1st Hr 46.3mm (SD-26.7) CRP 42.1mg/dl (40.6) SGOT 51.2iu/L (32.1) SGPT 50.2iu/L (51.4). ECG was normal in all, Chest x-ray showed patchy shadows in 4. CONCLUSIONS: SFG rickettsioses were commoner than ST, among children living in the Gampaha and Kurunegale districts. Clinical features were similar to adults. Diagnostic investigations were requested late in the febrile illness. |
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