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Clinical profile of pneumonia and its association with rain wetting in patients admitted at a tertiary care institute during pandemic of influenza A (H1N1) pdm09 virus infection.
Article in English | IMSEAR | ID: sea-154398
ABSTRACT
Background. Influenza pneumonia often occurs as epidemics in the Asian countries and have significant impact on the health of world population. Methods. We studied the association of rain-wetting with occurrence of pneumonia during the outbreak of the influenza A (H1N1) pdm09 virus infection. All patients admitted with community-acquired pneumonia during the period 13th September to 10th October 2010 were recruited in the present study. The diagnosis of influenza was established by realtime polymerase chain reaction (RT-PCR). The demographic data and clinical profile of the patients were recorded with a special consideration to record of possible risk factors. Results. Of the 123 patients studied, 39 (32%) patients had tested positive for influenza A (H1N1) pdm09; 12 (10%) tested positive for influenza A and remaining 72 (58%) patients were negative for influenza virus. Pattern of illness was almost identical in H1N1-positive and-negative groups. History of rain-wetting was present in 48 patients (39%) preceding the onset of illness. Getting wet in the rain was significantly higher in patients with pneumonia than control subjects [odds ratio 2.53, 95% confidence intervals (CI) 1.301 - 4.91; p=0.009)]. The number of pneumonia patients was also higher on rainy days and the numbers started declining a week later. Conclusion. More pneumonia patients are admitted during the periods of greater rainfall and rain-wetting may be an important risk factor for the occurrence of pneumonia.
Subject(s)

Full text: Available Index: IMSEAR (South-East Asia) Main subject: Pneumonia, Viral / Rain / Seasons / Aged / Female / Humans / Male / Case-Control Studies / Risk Factors / Treatment Outcome Type of study: Etiology study / Observational study / Risk factors Country/Region as subject: Asia Language: English Year: 2014 Type: Article

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Full text: Available Index: IMSEAR (South-East Asia) Main subject: Pneumonia, Viral / Rain / Seasons / Aged / Female / Humans / Male / Case-Control Studies / Risk Factors / Treatment Outcome Type of study: Etiology study / Observational study / Risk factors Country/Region as subject: Asia Language: English Year: 2014 Type: Article