Differentiating secondary from primary dengue using IgG to IgM ratio in early dengue: an observational hospital based clinico-serological study from North India

Autor: Adnan Raina, Ab. Hameed Raina, Qayum Hamid Changal, Manzoor Raina, Rehana Bashir, Khalid Hamid Changal, Tanveer Mir, Muzamil Latief
Jazyk: angličtina
Předmět:
Zdroj: BMC Infectious Diseases
ISSN: 1471-2334
DOI: 10.1186/s12879-016-2053-6
Popis: Background Secondary dengue causes more severe disease than the primary. Early on, it is important to differentiate the two. We tried to find important clinical and laboratory differences between the two for the purpose of early differentiation. Methods One hundred fourteen patients confirmed on reverse transcriptase-polymerase chain reaction (RT PCR) were studied. On day 2 of illness IgM and IgG indices were studied for calculation of IgG/IgM ratio. A one-step immunochromatographic assay was used for classification of patients into primary and secondary dengue. Patient characteristics were also studied. Results Dengue serotype 1 was the most common found in 60.5% patients. 66.7% (76 patients) had secondary dengue. Secondary dengue cases had a higher mean temperature (101.56 ± 1.55 vs. 100.79 ± 1.25,°F, p 0.015), lower platelet counts (50.51 ± 38.91 vs. 100.45 ± 38.66, x 103/micl, p
Databáze: OpenAIRE