Investigation and Control of Neonatal Omphalitis Outbreak in Lampang Hospital

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Sanisa Tanprasert
Laddawan Prachvittayakarn
Ornanong Gialon
Pornpen Sunanta
Piyapan Pinprayoon

Abstract

Backgroud : Neonatal omphalitis is one of the leading causes of admission and neonatal death. Once in a decade, an omphalitis outbreak occurred in Lampang Hospital between June and July 2012.
Objective : To investigate, confirm diagnosis and explore the outbreak characteristics, including implement the prevention and control measures.
Material and method : A descriptive study was conducted among newborns with omphalitis in Lampang Hospital. Investigators observed and interviewed health personnel regarding to the processes from delivery to discharge. Environmental survey and bacterial testing were performed among the related wards.
Results : The outbreak involved 8 newborns, 62.5% was female. All of them underwent full-term delivery and three-fourth by caesarian section with the mean birth weight of 3,525 gm. The median incubation period was 3 days. All cases had erythema and serous drainage, 5 cases had purulence, with improvement after oral antibiotics for 3-5 days. The major causative
bacterial was Proteus mirabilis (75%) with similar antibiogram. Specimen cultures of the tank water, sinks and bathing equipment yielded multi-organisms that were not compatible with the causative agent. The residual chlorine level in pipe water was normal (0.5-1 ppm). Risk factors from hand cleansing, sterilization and storage of materials in operating room, labor room and wards were found.
Conclusion : The major causative organism of this neonatal omphalitis outbreak in Lampang Hospital was Proteus mirabilis and not compatible with those from the environment. After root cause analysis and implementing prevention and control measures, subsequent surveillance found no additional case.

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How to Cite
Tanprasert, . S. ., Prachvittayakarn, L., Gialon, O., Sunanta, P., & Pinprayoon, P. (2022). Investigation and Control of Neonatal Omphalitis Outbreak in Lampang Hospital. Lampang Medical Journal, 33(2), 79–89. Retrieved from https://he01.tci-thaijo.org/index.php/LMJ/article/view/259458
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Original Article

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