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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Severe maternal morbidity due to respiratory disease and impact of 2009 H1N1 influenza A pandemic in Brazil: Results from a national multicenter cross-sectional study
BMC Infectious Diseases, Volume 16, No. 1, Article 220, Year 2016
Notification
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Description
Background: The aim of this study was to assess the burden of respiratory disease, considering the influenza A pandemic season (H1N1pdm09), within the Brazilian Network for Surveillance of Severe Maternal Morbidity, and factors associated with worse maternal outcome. Methods: A multicenter cross-sectional study, involving 27 referral maternity hospitals in five Brazilian regions. Cases were identified in a prospective surveillance by using the WHO standardized criteria for potentially life-threatening conditions (PLTC) and maternal near miss (MNM). Women with severe complications from respiratory disease identified as suspected or confirmed cases of H1N1 influenza or respiratory failure were compared to those with other causes of severe morbidity. A review of suspected H1N1 influenza cases classified women as non-tested, tested positive and tested negative, comparing their outcomes. Factors associated with severe maternal outcome (SMO = MNM + MD) were assessed in both groups, in comparison to PLTC, using PR and 95 % CI adjusted for design effect of cluster sampling. Results: Among 9555 cases of severe maternal morbidity, 485 (5%) had respiratory disease. Respiratory disease occurred in one-quarter of MNM cases and two-thirds of MD. H1N1 virus was suspected in 206 cases with respiratory illness. Around 60% of these women were tested, yielding 49 confirmed cases. Confirmed H1N1 influenza cases had worse adverse outcomes (MNM:MD ratio < 1 (0.9:1), compared to 12:1 in cases due to other causes), and a mortality index > 50%, in comparison to 7.4% in other causes of severe maternal morbidity. Delay in medical care was associated with SMO in all cases considered, with a two-fold increased risk among respiratory disease patients. Perinatal outcome was worse in cases complicated by respiratory disease, with increased prematurity, stillbirth, low birth weight and Apgar score < 7. Conclusions: Respiratory disease, especially considering the influenza season, is a very severe cause of maternal near miss and death. Increased awareness about this condition, preventive vaccination during pregnancy, early diagnosis and treatment are required to improve maternal health. © 2016 Pfitscher et al.
Authors & Co-Authors
Pfitscher, Lucia C.
Brazil, Campinas
Universidade Estadual de Campinas
Cecatti, José Guilherme
Brazil, Campinas
Universidade Estadual de Campinas
Pacagnella, Rodolfo C.
Brazil, Campinas
Universidade Estadual de Campinas
Haddad, Samira Maerrawi
Brazil, Campinas
Universidade Estadual de Campinas
Parpinelli, Mary Ângela
Brazil, Campinas
Universidade Estadual de Campinas
Souza, Joao Paulo
Brazil, Campinas
Universidade Estadual de Campinas
Brazil, Sao Paulo
Universidade de São Paulo
Quintana, Silvana Maria
Brazil, Sao Paulo
Universidade de São Paulo
Surita, Fernanda Garanhani De Castro
Brazil, Campinas
Universidade Estadual de Campinas
de Sousa, Maria Helena
Brazil, Campinas
Universidade Estadual de Campinas
Costa, Maria Laura Botelho
Brazil, Campinas
Universidade Estadual de Campinas
Pinto e Silva, João Luiz C.
Unknown Affiliation
Sousa, Maria Helena De
Unknown Affiliation
Camargo, Rodrigo Soares
Unknown Affiliation
Zotareli, Vilma
Unknown Affiliation
Gurgel, Lúcio T.
Unknown Affiliation
Amaral, Eliana Martorano
Unknown Affiliation
Say, Lale
Unknown Affiliation
Pattinson, Robert Clive
Unknown Affiliation
Rudge, Marilza Vieira Cunha
Unknown Affiliation
Calderon, I. M.P.
Unknown Affiliation
Bahamondes, María Valéria
Unknown Affiliation
Santana, Danielly Scaranello
Unknown Affiliation
Gonçalves, Simone Pollini
Unknown Affiliation
Carvalho, Simone A.
Unknown Affiliation
Feitosa, Francisco Edson De Lucena
Unknown Affiliation
Chaves, George N.
Unknown Affiliation
Brum, Ione Rodrigues
Unknown Affiliation
Saint'Ynes, Gloria C.
Unknown Affiliation
Menezes, Carlos Augusto Santos
Unknown Affiliation
Santos, Patricia N.
Unknown Affiliation
Guanabara, Everardo De Macêdo
Unknown Affiliation
Almeida, Elson J.
Unknown Affiliation
Moreira, Joaquim L.
Unknown Affiliation
Sousa, Maria R.
Unknown Affiliation
Péret, Frederico A.
Unknown Affiliation
Paula, Liv B.
Unknown Affiliation
Schmaltz, Luiza Emylce Pelá Rosado
Unknown Affiliation
Pessoni, Cleire
Unknown Affiliation
Bione, Adriana
Unknown Affiliation
Rocha Filho, Edilberto Alves
Unknown Affiliation
Amorim, Melania M.
Unknown Affiliation
Leite, Debora Farias Batista
Unknown Affiliation
Radaci, Ivelyne
Unknown Affiliation
Martins, Marília G.
Unknown Affiliation
Barroso, Frederico Vitório Lopes
Unknown Affiliation
Oliveira, Fernando Cesar
Unknown Affiliation
Nascimento, Denis José
Unknown Affiliation
Paiva, Cláudio Sérgio Medeiros
Unknown Affiliation
Lima, Moises DIogode
Unknown Affiliation
Freire, Djacyr Magna Cabral
Unknown Affiliation
Rohloff, Roger D.
Unknown Affiliation
Rodrigues, Simone M.
Unknown Affiliation
Costa, Sergio Martins
Unknown Affiliation
Luz, Adriana Gomes
Unknown Affiliation
Guimarães, Daniela Zaros
Unknown Affiliation
Lobato, Gustavo
Unknown Affiliation
Nakamura-Pereira, Marcos
Unknown Affiliation
Cordioli, Eduardo
Unknown Affiliation
Peterossi, Alessandra
Unknown Affiliation
Perez, Cynthia D.
Unknown Affiliation
Peraçoli, José Carlos
Unknown Affiliation
Costa, Roberto Antônio Araújo
Unknown Affiliation
Matias, Jacinta Pereira
Unknown Affiliation
Moisés, Elaine Christine Dantas
Unknown Affiliation
Lotufo, Fátima Aparecida H.
Unknown Affiliation
Carvalho, Luiz Eduardo Campos De
Unknown Affiliation
Andreucci, Carla Betina
Unknown Affiliation
Zanette, Elvira A.O.
Unknown Affiliation
Aquino, Márcia M.
Unknown Affiliation
Ohnuma, Maria H.
Unknown Affiliation
Mattar, Rosiane
Unknown Affiliation
Campanharo, Felipe Favorette
Unknown Affiliation
Statistics
Citations: 20
Authors: 72
Affiliations: 2
Identifiers
Doi:
10.1186/s12879-016-1525-z
ISSN:
14712334
Research Areas
Maternal And Child Health
Sexual And Reproductive Health
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative
Participants Gender
Female