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de Laroche M, Fellous L, Salomon E, Saadeh D, Duran C, Bouchand F, Lequintrec JL, Teillet L, Gaillard JL, Seridi Z, Michelon H, Dinh A. Bloodstream infections in older population: epidemiology, outcome, and impact of multidrug resistance. Eur J Clin Microbiol Infect Dis 2021; 40:1665-1672. [PMID: 33694038 DOI: 10.1007/s10096-021-04212-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 02/25/2021] [Indexed: 10/21/2022]
Abstract
Bloodstream infections (BSIs) among older patients are frequent with high rate of mortality. Infections with multidrug-resistant organisms (MDRO) are associated with higher mortality than with susceptible microorganisms. We aimed to evaluate the prevalence of MDRO infection during BSI in older population and the factors associated with unfavorable outcome. This study is a retrospective cohort of all BSI episodes occurring among older patients (> 65yo), from April 1, 2010, to December 31, 2016, in a French university hospital for geriatric medicine. A total of 255 BSI episodes were analyzed. Mean age was 86.3±6.5 years, and sex ratio (M/F) was 0.96. Main comorbidities were orthopedic device (26.7%), active neoplasia (24.3%), and diabetes mellitus (18.4%). Main primary sites of infection were urinary tract infections (56.9%), respiratory tract infections (10.6%), intra-abdominal infections (7.1%), and skin and soft tissue infections (4.7%). Main bacteria identified were Escherichia coli (45.1%), Staphylococcus aureus (14.1%), enterococci (10.7%), coagulase-negative staphylococci (CoNS) (5.5%), and streptococci (5.1%). MDROs were involved in 17.2% of BSI (gram-negative bacilli: 9.0%; CoNS: 4.3%; and methicillin-resistant S. aureus (MRSA): 3.9%). The main factor associated with MDRO BSI was colonization with MDRO (OR=6.29; 95%CI=2.9-14.32). Total mortality was 18.4% and significantly higher in case of initial severity (OR=3.83; 95%CI=1.75-8.38), healthcare-associated infection (OR=5.29; 95%CI=1.11-25.30), and MRSA BSI (OR=9.16; 95%CI=1.67-50.16). BSI due to MDRO is frequent in older population and is strongly associated with carriage of MDRO. Healthcare-associated BSI, severe episodes, and BSI due to MRSA are associated with unfavorable outcome. In these cases, a broad-spectrum antibiotic should be promptly initiated.
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Affiliation(s)
- Marine de Laroche
- Internal Medicine Department, Ambroise-Paré University Hospital, AP-HP Paris Saclay University, Boulogne-Billancourt, France
| | - Lesly Fellous
- Pharmacy Department, Sainte-Périne Hospital, AP-HP Paris Saclay University, Paris, France
| | - Elsa Salomon
- Microbiology Laboratory, Ambroise-Paré University Hospital, AP-HP Paris Saclay University, Boulogne-Billancourt, France
| | - Danielle Saadeh
- Faculty of Public Health, Lebanese University, Beirut, Lebanon
| | - Clara Duran
- Internal Medicine Department, Ambroise-Paré University Hospital, AP-HP Paris Saclay University, Boulogne-Billancourt, France
| | - Frédérique Bouchand
- Pharmacy Department, Raymond-Poincaré University Hospital, AP-HP Paris Saclay University, Garches, France
| | - Jean-Laurent Lequintrec
- Geriatric Medicine Department, Sainte-Périne Hospital, AP-HP Paris Saclay University, Paris, France
| | - Laurent Teillet
- Geriatric Medicine Department, Sainte-Périne Hospital, AP-HP Paris Saclay University, Paris, France.,Geriatric Medicine Department, Ambroise-Paré University Hospital, AP-HP Paris Saclay University, Boulogne-Billancourt, France
| | - Jean-Louis Gaillard
- Microbiology Laboratory, Ambroise-Paré University Hospital, AP-HP Paris Saclay University, Boulogne-Billancourt, France
| | - Zineb Seridi
- Geriatric Medicine Department, Sainte-Périne Hospital, AP-HP Paris Saclay University, Paris, France
| | - Hugues Michelon
- Pharmacy Department, Sainte-Périne Hospital, AP-HP Paris Saclay University, Paris, France.,Pharmacy Department, Raymond-Poincaré University Hospital, AP-HP Paris Saclay University, Garches, France
| | - Aurélien Dinh
- Internal Medicine Department, Ambroise-Paré University Hospital, AP-HP Paris Saclay University, Boulogne-Billancourt, France. .,Infectious Diseases Unit, Raymond-Poincaré University Hospital, AP-HP Paris Saclay University, 104 Bd R. Poincaré, 92380, Garches, France.
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Coudert M, Pépin M, de Thezy A, Fercot E, Laycuras M, Coudert AL, Duran C, Bouchand F, Davido B, Le Crane M, Denis B, Muller F, Gourdon M, Peng CL, Mahamdia R, Mekerta Z, Seridi Z, Gaillard JL, Leichowski L, Moulias S, Rottman M, Sivadon-Tardy V, Teillet L, Dinh A. Présentation clinique et performance de la bandelette urinaire pour le diagnostic d’infection urinaire en population gériatrique. Rev Med Interne 2019; 40:714-721. [DOI: 10.1016/j.revmed.2019.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 06/12/2019] [Accepted: 06/17/2019] [Indexed: 11/30/2022]
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Lechowski L, Grandcollot L, Van Pradelles S, Aubert L, Vetillard A, Seridi Z, Denis B, Le Crane M, Muller F, Tortrat D, Teillet L. Prévalence du syndrome confusionnel chez les patients âgés de 75ans et plus, hospitalisés en court séjour à l’Assistance publique–Hôpitaux de Paris de 2004 à 2008. Rev Med Interne 2011. [DOI: 10.1016/j.revmed.2011.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Vétillard A, Aubert L, Van Pradelles S, Grandcollot L, Seridi Z, Denis B, Le Crane M, Muller F, Tortrat D, Lechowski L, Teillet L. Devenir à un an des patients hospitalisés en urgence en court séjour gériatrique, avec un syndrome démentiel connu, ou nouvellement diagnostiqué. Rev Med Interne 2011. [DOI: 10.1016/j.revmed.2011.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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