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Lakbar I, Medam S, Ronflé R, Cassir N, Delamarre L, Hammad E, Lopez A, Lepape A, Machut A, Boucekine M, Zieleskiewicz L, Baumstarck K, Savey A, Leone M. Association between mortality and highly antimicrobial-resistant bacteria in intensive care unit-acquired pneumonia. Sci Rep 2021; 11:16497. [PMID: 34389761 PMCID: PMC8363636 DOI: 10.1038/s41598-021-95852-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 07/26/2021] [Indexed: 12/21/2022] Open
Abstract
Data on the relationship between antimicrobial resistance and mortality remain scarce, and this relationship needs to be investigated in intensive care units (ICUs). The aim of this study was to compare the ICU mortality rates between patients with ICU-acquired pneumonia due to highly antimicrobial-resistant (HAMR) bacteria and those with ICU-acquired pneumonia due to non-HAMR bacteria. We conducted a multicenter, retrospective cohort study using the French National Surveillance Network for Healthcare Associated Infection in ICUs ("REA-Raisin") database, gathering data from 200 ICUs from January 2007 to December 2016. We assessed all adult patients who were hospitalized for at least 48 h and presented with ICU-acquired pneumonia caused by S. aureus, Enterobacteriaceae, P. aeruginosa, or A. baumannii. The association between pneumonia caused by HAMR bacteria and ICU mortality was analyzed using the whole sample and using a 1:2 matched sample. Among the 18,497 patients with at least one documented case of ICU-acquired pneumonia caused by S. aureus, Enterobacteriaceae, P. aeruginosa, or A. baumannii, 3081 (16.4%) had HAMR bacteria. The HAMR group was associated with increased ICU mortality (40.3% vs. 30%, odds ratio (OR) 95%, CI 1.57 [1.45-1.70], P < 0.001). This association was confirmed in the matched sample (3006 HAMR and 5640 non-HAMR, OR 95%, CI 1.39 [1.27-1.52], P < 0.001) and after adjusting for confounding factors (OR ranged from 1.34 to 1.39, all P < 0.001). Our findings suggest that ICU-acquired pneumonia due to HAMR bacteria is associated with an increased ICU mortality rate, ICU length of stay, and mechanical ventilation duration.
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Affiliation(s)
- Ines Lakbar
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France.,Department of Anesthesiology and Intensive Care Unit, University hospital of Toulouse, Toulouse, France
| | - Sophie Medam
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France
| | - Romain Ronflé
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France
| | - Nadim Cassir
- MEPHI, IHU Méditerranée Infection, Aix Marseille Université, Marseille, France
| | - Louis Delamarre
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France.,Department of Anesthesiology and Intensive Care Unit, University hospital of Toulouse, Toulouse, France
| | - Emmanuelle Hammad
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France
| | - Alexandre Lopez
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France.,MEPHI, IHU Méditerranée Infection, Aix Marseille Université, Marseille, France
| | - Alain Lepape
- Intensive Care Unit, Centre Hospitalier Lyon Sud, Pierre Bénite, Hospices Civils de Lyon, France.,Rea-Raisin study group (National network for Healthcare-Associated Infection surveillance in ICU, Marseille, France.,PHE3ID, Centre International de Recherche en Infectiologie, INSERM U1111, CNRS Unité Mixte de Recherche 5308, ENS de Lyon, Université Claude Bernard Lyon 1, Saint Genis Laval, France
| | - Anaïs Machut
- Rea-Raisin study group (National network for Healthcare-Associated Infection surveillance in ICU, Marseille, France.,Infection Control & Prevention, Hôpital Henry Gabrielle, Hospices Civils de Lyon, Saint Genis Laval, France
| | - Mohamed Boucekine
- APHM, EA 3279 CEReSS, School of Medicine, La Timone Medical Campus, Health Service Research and Quality of Life Center, Aix Marseille Université, Marseille, France
| | - Laurent Zieleskiewicz
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France
| | - Karine Baumstarck
- APHM, EA 3279 CEReSS, School of Medicine, La Timone Medical Campus, Health Service Research and Quality of Life Center, Aix Marseille Université, Marseille, France
| | - Anne Savey
- Rea-Raisin study group (National network for Healthcare-Associated Infection surveillance in ICU, Marseille, France.,Infection Control & Prevention, Hôpital Henry Gabrielle, Hospices Civils de Lyon, Saint Genis Laval, France.,PHE3ID, Centre International de Recherche en Infectiologie, INSERM U1111, CNRS Unité Mixte de Recherche 5308, ENS de Lyon, Université Claude Bernard Lyon 1, Saint Genis Laval, France
| | - Marc Leone
- Department of Anesthesiology and Intensive Care Unit, Aix Marseille University, Assistance Publique Hôpitaux Universitaires de Marseille, Nord Hospital, Marseille, France. .,MEPHI, IHU Méditerranée Infection, Aix Marseille Université, Marseille, France. .,Service d'anesthésie et de réanimation, Chemin des Bourrely, Hôpital Nord, 13015, Marseille, France.
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Razazi K, Mekontso Dessap A, Carteaux G, Jansen C, Decousser JW, de Prost N, Brun-Buisson C. Frequency, associated factors and outcome of multi-drug-resistant intensive care unit-acquired pneumonia among patients colonized with extended-spectrum β-lactamase-producing Enterobacteriaceae. Ann Intensive Care 2017; 7:61. [PMID: 28608133 PMCID: PMC5468364 DOI: 10.1186/s13613-017-0283-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 05/26/2017] [Indexed: 02/01/2023] Open
Abstract
Background We assessed prevalence, associated factors and prognosis of extended-spectrum beta-lactamase-producing Enterobacteriaceae pneumonia acquired in intensive care unit (ESBL-PE pneumonia) among carriers. Variables associated with nosocomial pneumonia caused by carbapenem-resistant bacteria (CRB) were also assessed. Methods A 6-year prospective study (May 2009–March 2015) in the medical ICU of an 850-bed university-affiliated hospital was conducted. Results Of the 6303 patients admitted, 843 (13.4%) had ESBL-PE carriage detected. Among carriers, 111 (13%) patients developed ICU-acquired pneumonia of whom 48 (43%) had ESBL-PE pneumonia (6% of carriers). By multivariable analysis, SAPS II at admission >43 [OR 2.81 (1.16–6.79)] and colonization with Enterobacter sp. or K. pneumoniae species [OR 10.96 (2.93–41.0)] were independent predictive factors for ESBL-PE pneumonia in colonized patients, whereas receipt of >2 days of amoxicillin/clavulanic acid during the ICU stay [OR 0.24 (0.08–0.71)] was protective. Patients with ESBL-PE pneumonia had a higher SOFA score (p = 0.037) and more frequent septic shock at pneumonia onset (p = 0.047). However, ESBL-PE pneumonia was not an independent predictor of mortality. Twenty-five patients had pneumonia caused by CRB. Chronic renal insufficiency, administration of third-generation cephalosporin within the past 3 months, acute respiratory distress syndrome before pneumonia and prior therapy with a carbapenem or fluoroquinolones were associated with CRB pneumonia in this selected population. Conclusions Although few ESBL-PE carriers developed ESBL-PE pneumonia overall, a high proportion of pneumonia were caused by ESBL-PE in carriers developing ICUAP. ESBL-PE pneumonia was not an independent predictor of mortality. As pneumonia caused by CRB is increasing, knowledge of factors associated with ESBL-PE or CRB pneumonia may help empiric therapy of pneumonia among ESBL-PE carriers. Electronic supplementary material The online version of this article (doi:10.1186/s13613-017-0283-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Keyvan Razazi
- Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor, DHU A-TVB, Service de Réanimation Médicale, 94010, Créteil, France. .,Université Paris Est Creteil, IMRB, GRC CARMAS, 94010, Créteil, France.
| | - Armand Mekontso Dessap
- Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor, DHU A-TVB, Service de Réanimation Médicale, 94010, Créteil, France.,Université Paris Est Creteil, IMRB, GRC CARMAS, 94010, Créteil, France
| | - Guillaume Carteaux
- Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor, DHU A-TVB, Service de Réanimation Médicale, 94010, Créteil, France.,Université Paris Est Creteil, IMRB, GRC CARMAS, 94010, Créteil, France
| | - Chloé Jansen
- Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor, Contrôle, Epidémiologie et Prévention de l'Infection, CEPI, 94010, Créteil, France
| | - Jean-Winoc Decousser
- Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor, Département de Virologie, Bactériologie, Parasitologie-Mycologie, 94010, Créteil, France
| | - Nicolas de Prost
- Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor, DHU A-TVB, Service de Réanimation Médicale, 94010, Créteil, France.,Université Paris Est Creteil, IMRB, GRC CARMAS, 94010, Créteil, France
| | - Christian Brun-Buisson
- Assistance Publique-Hôpitaux de Paris, CHU Henri Mondor, DHU A-TVB, Service de Réanimation Médicale, 94010, Créteil, France.,Université Paris Est Creteil, IMRB, GRC CARMAS, 94010, Créteil, France
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Prevention of ventilator-associated pneumonia and ventilator-associated conditions: a randomized controlled trial with subglottic secretion suctioning. Crit Care Med 2015; 43:22-30. [PMID: 25343570 DOI: 10.1097/ccm.0000000000000674] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
OBJECTIVES Ventilator-associated pneumonia diagnosis remains a debatable topic. New definitions of ventilator-associated conditions involving worsening oxygenation have been recently proposed to make surveillance of events possibly linked to ventilator-associated pneumonia as objective as possible. The objective of the study was to confirm the effect of subglottic secretion suctioning on ventilator-associated pneumonia prevalence and to assess its concomitant impact on ventilator-associated conditions and antibiotic use. DESIGN Randomized controlled clinical trial conducted in five ICUs of the same hospital. PATIENTS Three hundred fifty-two adult patients intubated with a tracheal tube allowing subglottic secretion suctioning were randomly assigned to undergo suctioning (n = 170, group 1) or not (n = 182, group 2). MAIN RESULTS During ventilation, microbiologically confirmed ventilator-associated pneumonia occurred in 15 patients (8.8%) of group 1 and 32 patients (17.6%) of group 2 (p = 0.018). In terms of ventilatory days, ventilator-associated pneumonia rates were 9.6 of 1,000 ventilatory days and 19.8 of 1,000 ventilatory days, respectively (p = 0.0076). Ventilator-associated condition prevalence was 21.8% in group 1 and 22.5% in group 2 (p = 0.84). Among the 47 patients with ventilator-associated pneumonia, 25 (58.2%) experienced a ventilator-associated condition. Neither length of ICU stay nor mortality differed between groups; only ventilator-associated condition was associated with increased mortality. The total number of antibiotic days was 1,696 in group 1, representing 61.6% of the 2,754 ICU days, and 1,965 in group 2, representing 68.5% of the 2,868 ICU days (p < 0.0001). CONCLUSIONS Subglottic secretion suctioning resulted in a significant reduction of ventilator-associated pneumonia prevalence associated with a significant decrease in antibiotic use. By contrast, ventilator-associated condition occurrence did not differ between groups and appeared more related to other medical features than ventilator-associated pneumonia.
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Abstract
OBJECTIVES We evaluated the association between severity of illness and microbial etiology of ICU-acquired pneumonia to define if severity should be used to guide empiric antibiotic choices. DESIGN Prospective observational study. SETTING ICUs of a university hospital. PATIENTS Three hundredy forty-three consecutive patients with ICU-acquired pneumonia clustered, according to the presence of multidrug resistant pathogens. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Two hundred eight patients had ventilator-associated pneumonia and 135 had nonventilator ICU-acquired pneumonia. We determined etiology in 217 patients (63%). The most frequent pathogens were Pseudomonas aeruginosa, Enterobacteriaceae, and methicillin-sensitive and methicillin-resistant Staphylococcus aureus. Fifty-eight patients (17%) had a multidrug-resistant causative agent. Except for a longer ICU stay and a higher rate of microbial persistence at the end of the treatment in the multidrug-resistant group, no differences were found in clinical and inflammatory characteristics, severity criteria, and mortality or survival between patients with and without multidrug-resistant pathogens, even after adjusting for potential confounders. Patients with higher severity scores (Acute Physiology and Chronic Health Evaluation II and Sepsis-related Organ Failure Assessment) and septic shock at onset of pneumonia had significantly lower 28- and 90-day survival and higher systemic inflammatory response. The results were similar when only patients with microbial diagnosis were considered, as well as when stratified into ventilator-associated pneumonia and nonventilator ICU-acquired pneumonia. CONCLUSIONS In patients with ICU-acquired pneumonia, severity of illness seems not to affect etiology. Risk factors for multidrug resistant, but not severity of illness, should be taken into account in selecting empiric antimicrobial treatment.
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Bercault N. Pneumonie acquise sous ventilation mécanique et mortalité : réelle implication ou simple association ? MEDECINE INTENSIVE REANIMATION 2013. [DOI: 10.1007/s13546-013-0672-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Tumbarello M, De Pascale G, Trecarichi EM, Spanu T, Antonicelli F, Maviglia R, Pennisi MA, Bello G, Antonelli M. Clinical outcomes of Pseudomonas aeruginosa pneumonia in intensive care unit patients. Intensive Care Med 2013; 39:682-92. [PMID: 23370828 DOI: 10.1007/s00134-013-2828-9] [Citation(s) in RCA: 100] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2012] [Accepted: 12/28/2012] [Indexed: 12/21/2022]
Abstract
PURPOSE Our aim was to identify the clinical profile of intensive care unit (ICU) patients with Pseudomonas aeruginosa (PA) pneumonia and the impact on ICU mortality and duration of mechanical ventilation (MV) of multidrug resistance (MDR) in the PA isolate and inadequate initial antibiotic therapy (IIAT). METHODS We conducted a retrospective analysis of data prospectively collected in the 18-bed general ICU of a major teaching hospital in Rome, Italy. The study cohort consisted of 110 adult patients with culture-confirmed PA pneumonia consecutively diagnosed in 2008-2010. ICU survivor and nonsurvivor groups were compared to identify factors associated with ICU mortality. RESULTS In 42 (38 %) of the 110 cases of PA pneumonia analyzed, the PA isolate was MDR. Fifty-six (50.9 %) of the patients received IIAT, and 49 (44.5 %) died in ICU. In logistic regression analysis, IIAT, diabetes mellitus, higher Simplified Acute Physiology Score (SAPS) II scores, and older age were independently associated with ICU mortality. Among survivors, those who received IIAT or had MDR PA pneumonia had significantly longer median (interquartile ranges, IQR) periods of post-pneumonia onset MV (16.5 [14.5-20] and 15 [12-18] days, respectively) compared with those whose initial therapy was adequate (8 [6-13] days, P < 0.001) and those whose infections were caused by non-MDR PA (10.5 [6.5-13] days, P = 0.01). CONCLUSIONS Our findings highlight the importance of IIAT as a risk factor for mortality in ICU patients with PA pneumonia. MDR in the PA isolate, like IIAT, can significantly increase the need for MV.
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Affiliation(s)
- Mario Tumbarello
- Institute of Infectious Diseases, Università Cattolica del Sacro Cuore, Largo A. Gemelli 8, 00168, Rome, Italy.
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Martin-Loeches I, Deja M, Koulenti D, Dimopoulos G, Marsh B, Torres A, Niederman MS, Rello J. Potentially resistant microorganisms in intubated patients with hospital-acquired pneumonia: the interaction of ecology, shock and risk factors. Intensive Care Med 2013; 39:672-81. [PMID: 23358539 DOI: 10.1007/s00134-012-2808-5] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Accepted: 10/22/2012] [Indexed: 11/26/2022]
Abstract
PURPOSE As per 2005 American Thoracic Society and Infectious Disease Society of America (ATS/IDSA) guidelines for managing hospital-acquired pneumonia, patients with early-onset pneumonia and without risk factors do not need to be treated for potentially resistant microorganisms (PRM). METHODS This was a secondary analysis of a prospective, observational, cohort, multicentre study conducted in 27 ICUs from nine European countries. RESULTS From a total of 689 patients with nosocomial pneumonia who required mechanical ventilation, 485 patients with confirmed etiology and antibiotic susceptibility were further analysed. Of these patients, 152 (31.3 %) were allocated to group 1 with early-onset pneumonia and no risk factors for PRM acquisition, and 333 (68.7 %) were classified into group 2 with early-onset pneumonia with risk factors for PRM or late-onset pneumonia. Group 2 patients were older and had more chronic renal failure and more severe illness (SAPS II score, 44.6 ± 16.5 vs. 47.4 ± 17.8, p = 0.04) than group 1 patients. Trauma patients were more frequent and surgical patients less frequent in group 1 than in group 2 (p < 0.01). In group 1, 77 patients (50.7 %) had PRM in spite of the absence of classic risk factors recognised by the current guidelines. A logistic regression analysis identified that presence of severe sepsis/septic shock (OR = 3.7, 95 % CI 1.5-8.9) and pneumonia developed in centres with greater than 25 % prevalence of PRM (OR = 11.3, 95 % CI 2.1-59.3) were independently associated with PRM in group 1 patients. CONCLUSIONS In patients admitted to ICUs with a prevalence of PRM greater than 25 % or with severe sepsis/septic shock, empiric therapy for group 1 nosocomial pneumonia requiring mechanical ventilation should also include agents likely to be effective for PRM pathogens.
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MESH Headings
- Cross Infection/microbiology
- Cross Infection/therapy
- Drug Resistance, Multiple, Bacterial
- Europe
- Female
- Humans
- Intensive Care Units
- Male
- Middle Aged
- Multicenter Studies as Topic
- Pneumonia, Bacterial/complications
- Pneumonia, Bacterial/microbiology
- Pneumonia, Bacterial/therapy
- Pneumonia, Ventilator-Associated/complications
- Pneumonia, Ventilator-Associated/microbiology
- Pneumonia, Ventilator-Associated/therapy
- Practice Guidelines as Topic
- Prospective Studies
- Respiration, Artificial/adverse effects
- Respiration, Artificial/statistics & numerical data
- Risk Factors
- Severity of Illness Index
- Shock/etiology
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Paiva JA. Adding risk factors for potentially resistant pathogens, increasing antibiotic pressure and risk creating the "untreatable bacteria": time to change direction. Intensive Care Med 2013; 39:779-81. [PMID: 23358540 DOI: 10.1007/s00134-012-2811-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Accepted: 12/20/2012] [Indexed: 11/25/2022]
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Year in review in Intensive Care Medicine 2011. II. Cardiovascular, infections, pneumonia and sepsis, critical care organization and outcome, education, ultrasonography, metabolism and coagulation. Intensive Care Med 2012; 38:345-58. [PMID: 22270471 PMCID: PMC3291826 DOI: 10.1007/s00134-012-2467-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2012] [Accepted: 01/02/2012] [Indexed: 12/14/2022]
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Les prélèvements microbiologiques ont-ils encore une place dans le diagnostic de pneumopathie acquise sous ventilation mécanique ? MEDECINE INTENSIVE REANIMATION 2012. [DOI: 10.1007/s13546-011-0337-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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