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Progression from severe sepsis in pregnancy to death: a UK population‐based case‐control analysis
Author(s) -
MohamedAhmed O,
Nair M,
Acosta C,
Kurinczuk JJ,
Knight M
Publication year - 2015
Publication title -
bjog: an international journal of obstetrics and gynaecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.157
H-Index - 164
eISSN - 1471-0528
pISSN - 1470-0328
DOI - 10.1111/1471-0528.13551
Subject(s) - sepsis , pregnancy , medicine , population , immunology , biology , environmental health , genetics
Objective To identify factors associated with progression from pregnancy‐associated severe sepsis to death in the UK . Design A population‐based case‐control analysis using data from the UK Obstetric Surveillance System ( UKOSS ) and the UK Confidential Enquiry into Maternal Death ( CEMD ). Setting All pregnancy care and death settings in UK hospitals. Population All non‐influenza sepsis‐related maternal deaths (January 2009 to December 2012) were included as cases ( n  = 43), and all women who survived severe non‐influenza sepsis in pregnancy (June 2011 to May 2012) were included as controls ( n  = 358). Methods Cases and controls were identified using the CEMD and UKOSS . Multivariable logistic regression was used to estimate adjusted odds ratios ( aOR ) with 95% confidence intervals. Main outcome measures Odds ratios for socio‐demographic, medical, obstetric and management factors in women who died from sepsis, compared with those who survived. Results Four factors were included in the final regression model. Women who died were more likely to have never received antibiotics [ aOR  = 22.7, 95% confidence interval ( CI ) 3.64–141.6], to have medical comorbidities ( aOR  = 2.53, 95% CI 1.23–5.23) and to be multiparous ( aOR  = 3.57, 95% CI 1.62–7.89). Anaemia ( aOR  = 13.5, 95% CI 3.17–57.6) and immunosuppression ( aOR  = 15.0, 95% CI 1.93–116.9) were the two most important factors driving the association between medical comorbidities and progression to death. Conclusions There must be continued vigilance for the risks of infection in pregnant women with medical comorbidities. Improved adherence to national guidelines, alongside prompt recognition and treatment with antibiotics, may reduce the burden from sepsis‐related maternal deaths. Tweetable abstract Medical comorbidities, multiparity and antibiotic delays increase the risk of death from maternal sepsis.

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