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Title: The outbreak of Serratia marcescens bacteremia in a pediatric ward, Siriraj Hospital 1997
Authors: Kulkanya Chokephaibulkit
Gorapin Boonpragaigaew
Nirun Vanprapa
Suwanna Trakulsomboon
Somwang Danchaivijitr
Chertsak Dhiraputra
Nuananong Visitsunthorn
Mahidol University
Keywords: Medicine
Issue Date: 1-Aug-2002
Citation: Journal of the Medical Association of Thailand. Vol.85, No.SUPPL. 2 (2002)
Abstract: Between October 20 and November 11, 1997, Serratia marcescens bacteremia was identified in 8 patients in a pediatric ward at Siriraj Hospital. The organism was isolated from 17 blood and 3 bone marrow specimens. The only common associated factor in these patients was that they all had received an intravenous fluid infusion. In the attempt to investigate the source of S.marcescens implicated in the outbreak,108 specimens of intravenous fluid, 3 intravenous fluid bottle caps, 4 specimens from intravenous fluid tubing sets, 21 specimens of antiseptics used on the ward, 28 specimens of rectal swabs from patients on the ward, 1 sample of blood culture media prepared by the hospital for routine use, and 62 environmental specimens including hand swabs of the medical personnel, refrigerator, air conditioning, milk samples, room air, water sink, wooden splint and adhesive tape used to immobilize the intravenous access. Of 227 specimens sent for culture, S.marcescens was isolated from only one specimen collected from the in-use intravenous fluid given to a patient with Serratia bacteremia. S.marcescens was not found in any other surveillance culture. The 8 patients were placed under quarantine in the same room with an exclusive nursing team. With the investigation and intervention including monitoring for meticulous hand washing of the ward staff, the outbreak was stopped within 7 days. Although the investigation failed to discover the environmental reservoir of S.marcescens in this outbreak, the data suggested that intravenous fluid was probably the route of transmission and the medical personnel played an important role in spreading the infection.
ISSN: 01252208
Appears in Collections:Scopus 2001-2005

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