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Hanczvikkel A, Tóth Á, Kopcsóné Németh IA, Bazsó O, Závorszky L, Buzgó L, Lesinszki V, Göbhardter D, Ungvári E, Damjanova I, Erőss A, Hajdu Á. Nosocomial outbreak caused by disinfectant-resistant Serratia marcescens in an adult intensive care unit, Hungary, February to March 2022. Euro Surveill 2024; 29:2300492. [PMID: 38940004 PMCID: PMC11212457 DOI: 10.2807/1560-7917.es.2024.29.26.2300492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 03/01/2024] [Indexed: 06/29/2024] Open
Abstract
In 2022, an outbreak with severe bloodstream infections caused by Serratia marcescens occurred in an adult intensive care unit (ICU) in Hungary. Eight cases, five of whom died, were detected. Initial control measures could not stop the outbreak. We conducted a matched case-control study. In univariable analysis, the cases were more likely to be located around one sink in the ICU and had more medical procedures and medications than the controls, however, the multivariable analysis was not conclusive. Isolates from blood cultures of the cases and the ICU environment were closely related by whole genome sequencing and resistant or tolerant against the quaternary ammonium compound surface disinfectant used in the ICU. Thus, S. marcescens was able to survive in the environment despite regular cleaning and disinfection. The hospital replaced the disinfectant with another one, tightened the cleaning protocol and strengthened hand hygiene compliance among the healthcare workers. Together, these control measures have proved effective to prevent new cases. Our results highlight the importance of multidisciplinary outbreak investigations, including environmental sampling, molecular typing and testing for disinfectant resistance.
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Affiliation(s)
- Adrienn Hanczvikkel
- ECDC Fellowship Programme, Public Health Microbiology path (EUPHEM), European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
| | - Ákos Tóth
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
| | | | - Orsolya Bazsó
- North-Pest Central Hospital - Military Hospital (ÉPC-HK), Budapest, Hungary
| | - Lőrinc Závorszky
- North-Pest Central Hospital - Military Hospital (ÉPC-HK), Budapest, Hungary
| | - Lilla Buzgó
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
| | - Virág Lesinszki
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
| | - Dániel Göbhardter
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
| | - Erika Ungvári
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
| | - Ivelina Damjanova
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
| | - Attila Erőss
- North-Pest Central Hospital - Military Hospital (ÉPC-HK), Budapest, Hungary
| | - Ágnes Hajdu
- National Center for Public Health and Pharmacy (NNGYK), Budapest, Hungary
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Papatsiros VG, Athanasiou LV, Spanou VM, Stylianaki I, Papakonstantinou G, Letsios M, Villioti CS, Tsekouras N, Maragkakis G, Papaioannou N, Christodoulopoulos G. First case of Serratia liquefaciens isolated from urinary tract infection in sows and associated clinicopathological and pathological findings. Lett Appl Microbiol 2020; 70:259-262. [PMID: 31872893 DOI: 10.1111/lam.13267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 12/13/2019] [Accepted: 12/18/2019] [Indexed: 11/25/2022]
Abstract
An incident of sudden deaths in the breeding stock was reported from a farrow-to-finish commercial pig farm in Greece. The 8·4% of sows during lactation and gestation period presented anorexia, fever, haematuria, return-to-oestrus and sudden deaths (mortality rate: 2·3%). Blood and urine samples were collected from four diseased sows. Furthermore, swabs from urine bladders were collected from two dead sows and four culled sows at the slaughterhouse. Blood testing demonstrated mild leucocytosis and absence of azotaemia. Urinalysis revealed haematuria, proteinuria, bilirubinuria and active urine sediment with bacilli, epithelial cells and leucocytes, crystals and granular casts. Histopathological evaluation of the bladder demonstrated chronic active polypoid cystitis. The bacterial culture revealed the presence of Serratia liquefaciens. The antibiotic susceptibility testing showed high resistance to the most common antibiotics, with the highest sensitivity of the isolate towards quinolones. After the administration of a single dose of 7·5 mg kg-1 body weight enrofloxacin intramuscularly, the mortality rate decreased to less than 0·5% along with a remarkable reduction in the severity of clinical signs. Based on our findings, S. liquefaciens induced severe clinical signs and deaths in sows, mainly due to urinary infection. Inadequate water sanitation might have been responsible for increased exposure to S. liquefaciens. SIGNIFICANCE AND IMPACT OF THE STUDY: In this study, the isolation of Serratia liquefaciens from the urinary tract of pigs associated with clinical signs and increased mortality was described for the first time. Serratia liquefaciens is an important cause of hospital-acquired human infections. The isolate in this study was resistant to the most common antibiotics. Therefore, the use of quinolones which are drugs of last resort for treatment of infections was the only therapeutic option. The presence of the resistant bacterium in the urinary tract raises concerns for its zoonotic potential.
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Affiliation(s)
- V G Papatsiros
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - L V Athanasiou
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - V M Spanou
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - I Stylianaki
- Laboratory of Pathology, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - G Papakonstantinou
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - M Letsios
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - C S Villioti
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - N Tsekouras
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - G Maragkakis
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
| | - N Papaioannou
- Laboratory of Pathology, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - G Christodoulopoulos
- Clinic of Medicine, Faculty of Veterinary Medicine, School of Health Sciences, University of Thessaly, Karditsa, Greece
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Kanamori H, Rutala WA, Weber DJ. The Role of Patient Care Items as a Fomite in Healthcare-Associated Outbreaks and Infection Prevention. Clin Infect Dis 2018; 65:1412-1419. [PMID: 28520859 DOI: 10.1093/cid/cix462] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 05/11/2017] [Indexed: 01/28/2023] Open
Abstract
Patient-care items can serve as a source or reservoir for healthcare-associated pathogens in hospitals. We reviewed healthcare- associated outbreaks from medical equipment and provide infection prevention recommendations. Multiple healthcare-associated outbreaks via a contaminated patient-care item were identified, including infections with multidrug-resistant organisms. The type of patient care items implicated as a fomite causing healthcare-associated infections (HAIs) has changed over time. Patient populations at risk were most commonly critically ill patients in adult and neonatal intensive care units. Most fomite related healthcare-associated outbreaks were due to inappropriate disinfection practices. Repeated healthcare-associated outbreaks via medical equipment highlight the need for infectious disease professionals to understand that fomites/medical devices may be a source of HAIs. The introduction of new and more complex medical devices will likely increase the risk that such devices serve as a source of HAIs. Assuring appropriate cleaning and disinfection or sterilization of medical equipment is necessary to prevent future fomite-associated outbreaks.
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Affiliation(s)
- Hajime Kanamori
- Division of Infectious Diseases, University of North Carolina School of Medicine, North Carolina.,Hospital Epidemiology, University of North Carolina Health Care, Chapel Hill, North Carolina
| | - William A Rutala
- Division of Infectious Diseases, University of North Carolina School of Medicine, North Carolina.,Hospital Epidemiology, University of North Carolina Health Care, Chapel Hill, North Carolina
| | - David J Weber
- Division of Infectious Diseases, University of North Carolina School of Medicine, North Carolina.,Hospital Epidemiology, University of North Carolina Health Care, Chapel Hill, North Carolina
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Liu J, Yu S, Han B, Chen J. Effects of benzalkonium chloride and ethanol on dual-species biofilms of Serratia liquefaciens S1 and Shewanella putrefaciens S4. Food Control 2017. [DOI: 10.1016/j.foodcont.2017.02.063] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Skinner E, Warrillow S, Denehy L. Organisation and resource management in the intensive care unit: A critical review. INTERNATIONAL JOURNAL OF THERAPY AND REHABILITATION 2015. [DOI: 10.12968/ijtr.2015.22.4.187] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Linda Denehy
- Professor in physiotherapy, The University of Melbourne, Australia
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Abstract
Serratia species, in particular Serratia marcescens, are significant human pathogens. S. marcescens has a long and interesting taxonomic, medical experimentation, military experimentation, and human clinical infection history. The organisms in this genus, particularly S. marcescens, were long thought to be nonpathogenic. Because S. marcescens was thought to be a nonpathogen and is usually red pigmented, the U.S. military conducted experiments that attempted to ascertain the spread of this organism released over large areas. In the process, members of both the public and the military were exposed to S. marcescens, and this was uncovered by the press in the 1970s, leading to U.S. congressional hearings. S. marcescens was found to be a certain human pathogen by the mid-1960s. S. marcescens and S. liquefaciens have been isolated as causative agents of numerous outbreaks and opportunistic infections, and the association of these organisms with point sources such as medical devices and various solutions given to hospitalized patients is striking. Serratia species appear to be common environmental organisms, and this helps to explain the large number of nosocomial infections due to these bacteria. Since many nosocomial infections are caused by multiply antibiotic-resistant strains of S. marcescens, this increases the danger to hospitalized patients, and hospital personnel should be vigilant in preventing nosocomial outbreaks due to this organism. S. marcescens, and probably other species in the genus, carries several antibiotic resistance determinants and is also capable of acquiring resistance genes. S. marcescens and S. liquefaciens are usually identified well in the clinical laboratory, but the other species are rare enough that laboratory technologists may not recognize them. 16S rRNA gene sequencing may enable better identification of some of the less common Serratia species.
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Akhaddar A, Baallal H, Elouennass M, Elgharbaoui H, Mahi M, Boucetta M. Combined Serratia liquefaciens and Mycobacterium tuberculosis in temporal osteitis with brain extension. Surg Infect (Larchmt) 2011; 12:329-31. [PMID: 21859338 DOI: 10.1089/sur.2010.100] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Mizuno Y, Narimatsu H, Kishi Y, Kodama Y, Murashige N, Yuji K, Matsumura T, Kami M. Structural problems of medical news reports in newspapers: a verification of news reports on an incident of mass nosocomial Serratia infection. J Infect Chemother 2010; 16:107-12. [PMID: 20108020 DOI: 10.1007/s10156-009-0013-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2009] [Accepted: 10/09/2009] [Indexed: 11/24/2022]
Abstract
It is unclear how changes in the content and number of news reports over time affect the impressions made in the minds of newspaper readers. This study targeted news reports in major newspapers regarding an incident of mass nosocomial Serratia infection that occurred at one clinic. The trends in the total number of articles and total number of characters contained in the articles were congruent, with a peak on the day after the incident was disclosed and a rapid decrease thereafter. The numbers of articles and characters that appeared during the first 3 days corresponded to 45 and 51% of those that appeared during the entire study period. On day 9, it was published that Serratia liquefaciens propagated on medical instruments, and both the number of articles and the number of characters increased by approximately 40% in comparison to those published on the day after the initial report of the incident. The individual articles were deemed to be medically accurate; however, the main problem was that only part of the specific medical issue had been emphasized because of a poor balance in the number of news reports on this topic.
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Affiliation(s)
- Yasuhiro Mizuno
- Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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Abstract
Many bacteria use cell-cell communication to monitor their population density, synchronize their behaviour and socially interact. This communication results in a coordinated gene regulation and is generally called quorum sensing. In gram-negative bacteria, the most common quorum signal molecules are acylated homoserine lactones (AHLs), although other low-molecular-mass signalling molecules have been described such as Autoinducer-2 (AI-2). The phenotypes that are regulated in Serratia species by means of AHLs are remarkably diverse and of profound biological and ecological significance, and often interconnected with other global regulators. Furthermore, AHL- and AI-2-mediated systems (less profoundly studied) are continuously being discovered and explored in Serratia spp., many having interesting twists on the basic theme. Therefore, this review will highlight the current known quorum sensing systems in Serratia spp., including the important nosocomial pathogen Serratia marcescens.
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Affiliation(s)
- Rob Van Houdt
- Molecular and Cellular Biology, Institute for Health, Environment and Safety, Belgian Nuclear Research Centre SCK x CEN, Mol, Belgium.
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Horcajada JP, Martínez JA, Alcón A, Marco F, De Lazzari E, de Matos A, Zaragoza M, Sallés M, Zavala E, Mensa J. Acquisition of multidrug-resistant Serratia marcescens by critically ill patients who consumed tap water during receipt of oral medication. Infect Control Hosp Epidemiol 2006; 27:774-7. [PMID: 16807859 DOI: 10.1086/504445] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2004] [Accepted: 04/18/2005] [Indexed: 11/03/2022]
Abstract
We describe an outbreak of multidrug-resistant Serratia marcescens infection and colonization involving adults admitted to a surgical intensive care unit. Examination of the outbreak revealed epidemiological evidence that consumption of tap water from a contaminated faucet during receipt of oral medication was the mechanism of S. marcescens acquisition.
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Affiliation(s)
- Juan P Horcajada
- Service of Infectious Diseases, Hospital Clínic Universitari-IDIBAPS, Barcelona, Spain.
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Engelhart S, Saborowski F, Krakau M, Scherholz-Schlösser G, Heyer I, Exner M. Severe Serratia liquefaciens sepsis following vitamin C infusion treatment by a naturopathic practitioner. J Clin Microbiol 2003; 41:3986-8. [PMID: 12904436 PMCID: PMC179848 DOI: 10.1128/jcm.41.8.3986-3988.2003] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
A 66-year-old female patient developed severe Serratia liquefaciens sepsis following vitamin C infusion treatment by a naturopathic practitioner. The clinical course of the infection was characterized by several complications, and the direct costs of the hospital stay amounted to about 40000 Euro. Genotypically identical S. liquefaciens was isolated from the residue of the infusate given to the patient, as well as from the washbasin overflow and from two other infusion bottles. A careful inspection of the dispensing facilities and review of procedures used to prepare the infusate revealed several indications of poor hygiene. However, the source of contamination could not be fully clarified. This case report raises questions about the local facilities and personal qualifications required for naturopathic practitioners to conduct invasive procedures and demonstrates that lapses in hygiene can lead to severe morbidity and high cost.
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Affiliation(s)
- S Engelhart
- Institute of Hygiene and Public Health, University of Bonn, Bonn, Germany.
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Stock I, Grueger T, Wiedemann B. Natural antibiotic susceptibility of strains of Serratia marcescens and the S. liquefaciens complex: S. liquefaciens sensu stricto, S. proteamaculans and S. grimesii. Int J Antimicrob Agents 2003; 22:35-47. [PMID: 12842326 DOI: 10.1016/s0924-8579(02)00163-2] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The natural susceptibility of 77 strains of Serratia marcescens and 41 strains of the S. liquefaciens complex (S. liquefaciens sensu stricto (n=21), S. grimesii (n=10), S. proteamaculans (n=10)) to 70 antibiotics was examined using a microdilution procedure in Isosensitest broth (all strains) and cation-adjusted Mueller Hinton broth (some strains). All species were naturally resistant to benzylpenicillin, oxacillin, cefaclor, cefazolin, cefuroxime, numerous macrolides, lincosamides, streptogramins, glycopeptides, rifampicin and fusidic acid. Uniform natural sensitivity was found to most aminoglycosides, several acylureidopenicillins, ticarcillin, newer cephalosporins, carbapenems, aztreonam, quinolones and antifolates. Species-related differences in susceptibility affecting clinical assessment criteria were found for several agents. S. marcescens was less susceptible to some aminoglycosides than species of the S. liquefaciens group. It was the only species that was uniformly naturally resistant to tetracycline, amoxycillin, amoxycillin/clavulanate and loracarbef. Species of the S. liquefaciens group were naturally resistant and intermediate or naturally intermediate to the latter agents. Differences in susceptibility among the species of the S. liquefaciens complex were generally small. S. proteamaculans was most susceptible to sulphamethoxazole. S. liquefaciens sensu stricto was less susceptible than S. grimesii and S. proteamaculans to tetracyclines, chloramphenicol and nitrofurantoin; it was the only species uniformly naturally resistant to fosfomycin. This study suggested that all species examined probably express chromosomally-encoded AmpC beta-lactamases, but the amount of enzyme may vary from species to species. The naturally-occurring low-level expression of the S. marcescens aminoglycoside 6'-acetyltransferase AAC(6')-Ic and its absence in other Serratia spp. was supported by the data. All species of the S. liquefaciens complex should be considered as probable agents of human diseases.
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Affiliation(s)
- I Stock
- Institut für Medizinische Mikrobiologie und Immunologie, Pharmazeutische Mikrobiologie, Universität Bonn, Meckenheimer Allee 168, D-53115 Bonn, Germany.
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Abstract
Nosocomial infections affect about 30% of patients in intensive-care units and are associated with substantial morbidity and mortality. Several risk factors have been identified, including the use of catheters and other invasive equipment, and certain groups of patients-eg, those with trauma or burns-are recognised as being more susceptible to nosocomial infection than others. Awareness of these factors and adherence to simple preventive measures, such as adequate hand hygiene, can limit the burden of disease. Management of nosocomial infection relies on adequate and appropriate antibiotic therapy, which should be selected after discussion with infectious-disease specialists and adapted as microbiological data become available.
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Affiliation(s)
- Jean-Louis Vincent
- Department of intensive Care, Erasme Hospital, Free University of Brussels, Route de Lennick 808, B-1070, Brussels, Belgium.
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Choi SH, Kim YS, Chung JW, Kim TH, Choo EJ, Kim MN, Kim BN, Kim NJ, Woo JH, Ryu J. Serratia bacteremia in a large university hospital: trends in antibiotic resistance during 10 years and implications for antibiotic use. Infect Control Hosp Epidemiol 2002; 23:740-7. [PMID: 12517017 DOI: 10.1086/502004] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVE To identify antibiotic resistance trends and risk factors for resistance of Serratia species to third-generation cephalosporins. DESIGN Retrospective survey of medical records. SETTING A 2,200-bed, tertiary-care hospital. PATIENTS One hundred twenty-two patients with Serratia bacteremia between January 1991 and June 2001. METHODS Infectious disease physicians collected data from medical records regarding patient demographics, underlying disease or condition, portal of entry, microorganism, antibiogram, complications, antibiotics received, and outcome. RESULTS Among 122 Serratia isolates, 117 (95.9%) were Serratia marcescens and 110 (90.2%) were of nosocomial origin. During the study period, the 122 isolates showed a high rate of resistance to third-generation cephalosporins (45.9%) and extended-spectrum penicillins (56.6%). The resistance rate to ciprofloxacin was 32.0%. The resistance rate to third-generation cephalosporins increased from 31.7% for 1991 to 1995 to 54.9% for 1996 to 1998 and 50.0% for 1999 to 2001. In the multivariate analysis, prior use of a second-generation cephalosporin (adjusted odds ratio [OR], 5.90; 95% confidence interval [CI90], 1.41 to 24.6; P = .015) or a third-generation cephalosporin (OR, 3.26; CI95, 1.20 to 8.87; P = .020) was a strong independent risk factor for resistance to third-generation cephalosporins. The overall case-fatality rate was 25.4% (Serratia bacteremia-related case-fatality rate, 13.1%). CONCLUSION Prior use of a second- or third-generation cephalosporin was the most important risk factor for bacteremia with Serratia resistant to third-generation cephalosporins, suggesting the need for antibiotic control. The potential role of patient-to-patient spread could not be fully evaluated in this retrospective study.
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Affiliation(s)
- Sang-Ho Choi
- Division of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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