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. 2010 May;95(5):371-6.
doi: 10.1136/adc.2009.162792.

Contribution of bacteriology and virology in sudden unexpected death in infancy

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Contribution of bacteriology and virology in sudden unexpected death in infancy

L Prtak et al. Arch Dis Child. 2010 May.

Abstract

Objective: To appraise the inter-agency protocol used in sudden unexpected death in infancy (SUDI) cases in South Yorkshire, UK.

Design: A retrospective audit of 121 postmortems carried out over a 3-year period was completed to assess adherence to local guidelines introduced in 2005 specifying the required microbiological specimen set to be collected at postmortem in cases of SUDI. Data on organisms isolated was also collated and assessed for significance.

Setting: Sheffield Children's Hospital Histopathology Department is the South Yorkshire referral centre for SUDI. Post-mortem samples were processed by Sheffield Teaching Hospital's microbiology and virology departments.

Patients: All postmortems of SUDI in children less than 2 years of age performed between January 2004 and December 2007.

Results: 116/121 cases had samples sent for microbiological and/or virological investigation: 90% of cases had a blood culture and 68% had a cerebrospinal fluid sample taken. Of the 116 cases, 49% had a potentially pathogenic organism isolated, 73% had post-mortem flora and 10% had no organisms isolated (32% had both post-mortem flora and a potential pathogen). 27% of cases were found to have middle ear exudate requiring sampling, from 48% of which a potentially pathogenic organism was isolated.

Conclusions: Our finding of a potential pathogen in 57/116 (49%) of our cases, although not necessarily the cause of death, confirms the relevance of performing multisite and virology investigations in all cases of SUDI. Standardised protocols with agreed definitions are necessary for a consistent approach.

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