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An Epidemiologic Study on the Nosocomial Bloodstream Infection in Two Hospitals.
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Mi Jeung Ahn, Chang Kyu Lee, Chae Seung Lim, You Cheol Shin, Soon Duck Kim
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Korean J Epidemiol. 2001;23(2):33-43.
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Abstract
PURPOSE
In this study, nosocomial bloodstream infection rate and fatality rate for 774 and 386 patients, who whose blood cultivation were obtained after 48 hours of hospitalization between March 1999 and February 2000 in two university hospitals, were sought. A distribution of etiologic agent and risk factors of the nosocoial bloodstream infection were also investigated.METHODS This study was carried out through medical record review and a structural questionnaire. Besides registers of microbe cultivation in the department of clinical pathology and medical records of patients were checked. The nosocomial bloodstream infection was also checked through medical records of patients using the standard of CDC. Statistical analysis were performed using SAS 6.12.RESULTS The nosocomial bloodstream infection rate in hospital K and hospital A were 3.9 and 3.5 per 1,000 discharged patients, respectively. Although the rates were increased accoding to patients' age, they were different by medical departments, showing the highest level in the ICU.
The fatality rate from nosocomial bloodstream infection in hospital K and hospital A were 12.5% and 21.8%, respectively. A distribution of etiologic agent of the nosocomial bloodstream infection in hospital K was 17 cases(21.8%) of Coagulase negative staphylococcus(CNS), 12 cases(15.0%) of Staphylococcus aureus and 8 cases(10.0%) of Enterococcus spp. For hospital A, it was 14 cases925.4%) of Coagulase negative taphylococcus(CNS), 9 cases(16.4%) of Staphylococcus aureus and 7 cases(12.7%) of Klebsiella pneumoniae. While risk factors of the nosocomial bloodstream infection edentified in hospital K were ICU, intracranial injury and hospitalization period, those for hospital A were a use of the central nenous tube, intracranial injury and hospitalization period.CONCLUSION It is expected that nosocomial bloodstream infection increases as aged group increases by the change of the population structure, as the usage of invasive instrument increases by development of new medical instrument as well as large scale hospitals. For these reasons, further studies developing countermeasures against nosocomial bloodstream infection are recommended.
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Indigenous Malaria Surveillance in Korea.
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Dae Seong Kim, Soon Duck Kim, Yong Tae Yum, Chae Seung Lim, Kab Ro Lee, Mi Sook Park, Bae Jung Yoon
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Korean J Epidemiol. 1997;19(2):180-189.
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Abstract
Malaria, one of the compulsory notifiable diseases, has been diappeared from Korea based on that fact no notification on malaria case was received from local health agencies during the last decade or so. Recently, Indigenous malaria has been re-emerged since 1993 and 549 cases was notificated till 1996. We conducted a surveillance system on the resurgent malaria outbreaks in the northern area of Kyonggi Province around the Imjin River. Malaria Surveillance Networks(MSNs) were established in Paju and Yoncheon between August 1996 and December 1996. When a febrile patient visits a clinic or a hospital, clinician takes a blood sample and refer to district malaria laboratory for the sample. The blood sample is examined in the malaria laboratory(public health center), and if malaria parasites are found, a radical or curative treatment is offered to patients. MSNs took 94 febrile cases and identified 23 malaria cases(24.5%). All malaria cases were infected by the indigenous vivax malaria. In Paju, 14 of 62 febrile cases(22.6%) were malaria outbreaks and 9 of 32 febrile cases(28.1%) in Yoncheon. In Korea resurgent malaria, malaria surveillance system should be operated for a program based on the district public health center with the coupled laboratory and dispensary.
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