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Memorias del Instituto de Investigaciones en Ciencias de la Salud

On-line version ISSN 1812-9528


BARUA, C et al. Pregnancy as a risk factor for hospitalization and death during influenza A (H1N1) pandemic in Paraguay. Mem. Inst. Investig. Cienc. Salud [online]. 2010, vol.8, n.1, pp.22-34. ISSN 1812-9528.

ABSTRACT Influenza A (H1N1) has been identified as the cause of the Acute Respiratory Infection epidemic in Paraguay and the world. Risk factors associated to morbid-mortality in cases of pregnant women with suspicion of H1N1 infection and notified to the General Direction of Health Surveillance (DGVS in Spanish) of the Ministry of Public Health and Social Welfare (MSPBS in Spanish) during the fourth first months of the pandemic were analyzed in comparison to non-pregnant fertile women with suspicion of H1N1 infection. From April 28, 2009 the DGVS started a systematic surveillance of H1N1 in all its notifying units, being the notification immediate and by individual spreadsheet basing the notification in the case definition established by the country. Until August 25, 2009 2,268 cases of women with suspicion of H1N1 were notified, 1,120 of them were between 15 to 40 years and from them 117 were pregnant. Sixty eight percent (79/117) of the pregnant women required hospitalization and mortality was 21% (25/117) while in the non-pregnant women, 21% were hospitalized (288 /1003) and mortality was 1.5% (16/1003). All deceased cases developed Serious Acute Respiratory Infection characterized by a respiratory distress syndrome that, in some cases, required mechanical respiratory assistance (MRA). None of the regnant women referred history of co-morbidity. Twenty two percent (26/117) of the pregnant women and 2.9% (30/1003) of the non-pregnant women received Oseltamivir as treatment. These results show that the infection produces high morbid-mortality in pregnant women in comparison to women of the same age group, supporting the recommendation of an early antiviral treatment in pregnant women as well as a close clinical follow-up.

Keywords : Influenza A (H1N1); pregnant; risk factors; surveillance; Paraguay.

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