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Murray HC, Muleme M, Cooper D, McNamara BJ, Hussain MA, Bartolo C, O'Brien DP, Athan E. Prevalence, risk factors, and outcomes of secondary infections among hospitalized patients with COVID-19 or post-COVID-19 conditions in Victoria, 2020-2023. Int J Infect Dis 2024; 145:107078. [PMID: 38697606 DOI: 10.1016/j.ijid.2024.107078] [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: 02/16/2024] [Revised: 04/25/2024] [Accepted: 04/28/2024] [Indexed: 05/05/2024] Open
Abstract
OBJECTIVES Estimates of secondary infections are variedly reported, with few studies done in Australia. We investigated the occurrence and impact of secondary infections complicating COVID-19 and post-COVID-19 admissions in Victoria, Australia, 2020-2023. METHODS We used linked population-wide data sets and specific International Classification of Disease, 10th Revision codes to identify and estimate the occurrence of secondary infections. Using hospital/intensive care unit length of stay in negative binomial regression and mortality, we examined the impact of secondary infections. RESULTS Secondary infections were identified in 6.9% (13,467 of 194,660) of COVID-19 and post-COVID-19 admissions: 6.0% (11,651 of 194,660) bacterial, 0.9% (1691 of 194,660) viral, and 0.2% (385 of 194,660) fungal. Prevalence was highest during the pre-Delta (10.4%) and Omicron-BA2 (8.1%) periods. Sepsis and pneumonia were the most reported syndromes; the occurrence of sepsis declined gradually over time. The odds of secondary infections were higher among the ≥70-year-olds (adjusted odds ratio (aOR) 3.76, 95% confidence interval [CI] 3.43-4.14, vs 20-29-year-olds), individuals with chronic conditions (aOR 3.15, 95% CI 2.88-3.45, vs those without), the unvaccinated (aOR 1.59, 95% CI 1.45-1.75), and the lowest socioeconomic group (aOR 1.12, 95% CI 1.05-1.19). Patients with secondary infections had 2.43 times longer hospital length of stay and 9.60 times longer intensive care unit length of stay than those without secondary infections. The mortality risk was 2.17 times higher in those with secondary infections. CONCLUSIONS Secondary infections occurred in 69 per 1000 COVID-19-associated hospital admissions in Victoria, mostly in high-risk groups, and were associated with severe outcomes.
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Affiliation(s)
- Hugh C Murray
- Department of Infectious Diseases, Barwon Health, Geelong, Australia; Barwon Southwest Public Health Unit, Barwon Health, Geelong, Australia
| | - Michael Muleme
- Barwon Southwest Public Health Unit, Barwon Health, Geelong, Australia; Centre for Innovation in Infectious Disease and Immunology Research, Deakin University, Geelong, Australia.
| | - Darcie Cooper
- Centre for Innovation in Infectious Disease and Immunology Research, Deakin University, Geelong, Australia; Deakin University, Institute for Mental and Physical Health and Clinical Translation (IMPACT), School of Medicine, Geelong, Australia
| | - Bridgette J McNamara
- Barwon Southwest Public Health Unit, Barwon Health, Geelong, Australia; Centre for Innovation in Infectious Disease and Immunology Research, Deakin University, Geelong, Australia; Centre for Epidemiology and Biostatistics, The University of Melbourne, Melbourne, Australia
| | - Mohammad A Hussain
- Barwon Southwest Public Health Unit, Barwon Health, Geelong, Australia; Deakin University, Institute for Mental and Physical Health and Clinical Translation (IMPACT), School of Medicine, Geelong, Australia
| | - Caroline Bartolo
- Department of Infectious Diseases, Barwon Health, Geelong, Australia; Barwon Southwest Public Health Unit, Barwon Health, Geelong, Australia; Deakin University, Institute for Mental and Physical Health and Clinical Translation (IMPACT), School of Medicine, Geelong, Australia
| | - Daniel P O'Brien
- Department of Infectious Diseases, Barwon Health, Geelong, Australia; Barwon Southwest Public Health Unit, Barwon Health, Geelong, Australia; Department of Medicine and Infectious Diseases, Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia
| | - Eugene Athan
- Department of Infectious Diseases, Barwon Health, Geelong, Australia; Barwon Southwest Public Health Unit, Barwon Health, Geelong, Australia; Centre for Innovation in Infectious Disease and Immunology Research, Deakin University, Geelong, Australia; School of Medicine, Deakin University, Geelong, Australia
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Doubravská L, Htoutou Sedláková M, Fišerová K, Klementová O, Turek R, Langová K, Kolář M. Bacterial Community- and Hospital-Acquired Pneumonia in Patients with Critical COVID-19-A Prospective Monocentric Cohort Study. Antibiotics (Basel) 2024; 13:192. [PMID: 38391578 PMCID: PMC10886267 DOI: 10.3390/antibiotics13020192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 02/24/2024] Open
Abstract
The impact of bacterial pneumonia on patients with COVID-19 infection remains unclear. This prospective observational monocentric cohort study aims to determine the incidence of bacterial community- and hospital-acquired pneumonia (CAP and HAP) and its effect on mortality in critically ill COVID-19 patients admitted to the intensive care unit (ICU) at University Hospital Olomouc between 1 November 2020 and 31 December 2022. The secondary objectives of this study include identifying the bacterial etiology of CAP and HAP and exploring the capabilities of diagnostic tools, with a focus on inflammatory biomarkers. Data were collected from the electronic information hospital system, encompassing biomarkers, microbiological findings, and daily visit records, and subsequently evaluated by ICU physicians and clinical microbiologists. Out of 171 patients suffering from critical COVID-19, 46 (27%) had CAP, while 78 (46%) developed HAP. Critically ill COVID-19 patients who experienced bacterial CAP and HAP exhibited higher mortality compared to COVID-19 patients without any bacterial infection, with rates of 38% and 56% versus 11%, respectively. In CAP, the most frequent causative agents were chlamydophila and mycoplasma; Enterobacterales, which were multidrug-resistant in 71% of cases; Gram-negative non-fermenting rods; and Staphylococcus aureus. Notably, no strains of Streptococcus pneumoniae were detected, and only a single strain each of Haemophilus influenzae and Moraxella catarrhalis was isolated. The most frequent etiologic agents causing HAP were Enterobacterales and Gram-negative non-fermenting rods. Based on the presented results, commonly used biochemical markers demonstrated poor predictive and diagnostic accuracy. To confirm the diagnosis of bacterial CAP in our patient cohort, it was necessary to assess the initial values of inflammatory markers (particularly procalcitonin), consider clinical signs indicative of bacterial infection, and/or rely on positive microbiological findings. For HAP diagnostics, it was appropriate to conduct regular detailed clinical examinations (with a focus on evaluating respiratory functions) and closely monitor the dynamics of inflammatory markers (preferably Interleukin-6).
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Affiliation(s)
- Lenka Doubravská
- Department of Anaesthesiology, Resuscitation and Intensive Care, University Hospital Olomouc, Zdravotniku 248/7, 779 00 Olomouc, Czech Republic
- Department of Anaesthesiology, Resuscitation and Intensive Care, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 779 00 Olomouc, Czech Republic
| | - Miroslava Htoutou Sedláková
- Department of Microbiology, University Hospital Olomouc, Zdravotniku 248/7, 779 00 Olomouc, Czech Republic
- Department of Microbiology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 779 00 Olomouc, Czech Republic
| | - Kateřina Fišerová
- Department of Microbiology, University Hospital Olomouc, Zdravotniku 248/7, 779 00 Olomouc, Czech Republic
- Department of Microbiology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 779 00 Olomouc, Czech Republic
| | - Olga Klementová
- Department of Anaesthesiology, Resuscitation and Intensive Care, University Hospital Olomouc, Zdravotniku 248/7, 779 00 Olomouc, Czech Republic
- Department of Anaesthesiology, Resuscitation and Intensive Care, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 779 00 Olomouc, Czech Republic
| | - Radovan Turek
- Department of Anaesthesiology, Resuscitation and Intensive Care, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 779 00 Olomouc, Czech Republic
| | - Kateřina Langová
- Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 779 00 Olomouc, Czech Republic
| | - Milan Kolář
- Department of Microbiology, University Hospital Olomouc, Zdravotniku 248/7, 779 00 Olomouc, Czech Republic
- Department of Microbiology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hnevotinska 3, 779 00 Olomouc, Czech Republic
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Trifi A, Sellaouti S, Mehdi A, Messaoud L, Seghir E, Tlili B, Abdellatif S. Healthcare-associated infections in critical COVID-19 patients in Tunis: epidemiology, risk factors, and outcomes. Acute Crit Care 2023; 38:425-434. [PMID: 38052509 DOI: 10.4266/acc.2023.00773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 09/26/2023] [Indexed: 12/07/2023] Open
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19) pandemic disrupted adherences to healthcare-associated infection (HAI) prevention protocols. Herein, we studied the characteristics of all HAIs occurring in critically ill COVID-19 patients. METHODS A retrospective, single-center cohort of critical COVID-19 patients during 2021. Microbiological samples were collected if HAI was suspected. We analyzed all factors that could potentially induce HAI, using septic shock and mortality as endpoints. RESULTS Sixty-four among 161 included patients (39.7%) presented a total of 117 HAIs with an incidence density of 69.2 per 1,000 hospitalization days. Compared to the prior COVID-19 period (2013-2019), the identification of HAI increased in 2021. HAIs were classified into ventilator-associated pneumonia (VAP; n=38), bloodstream infection (n=32), urinary tract infection (n=24), catheter-related infection (n=12), and fungal infection (n=11). All HAIs occurred significantly earlier in the post-COVID-19 period (VAP: 6 vs. 10 days, P=0.045, in 2017 and 2021). Acinetobacter baumannii (39.5%) and Klebsiella pneumoniae (27%) were the most commonly isolated pathogens that exhibited a multidrug-resistant (MDR) profile, observed in 89% and 64.5%, respectively. The HAI factors were laboratory abnormalities (odds ratio [OR], 6.4; 95% confidence interval [CI], 2.3-26.0), cumulative steroid dose (OR, 1.9; 95% CI, 1.3-4.0), and invasive procedures (OR, 20.7; 95% CI, 5.3-64.0). HAI was an independent factor of mortality (OR, 8.5; P=0.004). CONCLUSIONS During the COVID-19 era, the incidence of HAIs increased and MDR isolates remained frequent. A severe biological inflammatory syndrome, invasive devices, and elevated cumulative steroid dosages were related to HAIs. HAI was a significant death factor.
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Affiliation(s)
- Ahlem Trifi
- Medical Intensive Care Unit, La Rabta Hospital, Tunis, Tunisia
| | - Selim Sellaouti
- Medical Intensive Care Unit, La Rabta Hospital, Tunis, Tunisia
| | - Asma Mehdi
- Medical Intensive Care Unit, La Rabta Hospital, Tunis, Tunisia
| | - Lynda Messaoud
- Medical Intensive Care Unit, La Rabta Hospital, Tunis, Tunisia
| | - Eya Seghir
- Medical Intensive Care Unit, La Rabta Hospital, Tunis, Tunisia
| | - Badis Tlili
- Medical Intensive Care Unit, La Rabta Hospital, Tunis, Tunisia
| | - Sami Abdellatif
- Medical Intensive Care Unit, La Rabta Hospital, Tunis, Tunisia
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Burnside JS, Buchthal OV, Patil U. A Systematic Review of Antimicrobial Resistance During the COVID-19 Pandemic. HAWAI'I JOURNAL OF HEALTH & SOCIAL WELFARE 2023; 82:188-193. [PMID: 37559691 PMCID: PMC10407777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Antimicrobial-resistant pathogens, or "superbugs," cause more than 35 000 deaths and more than 2.8 million antibiotic-resistant infections in the US each year. Worldwide, antimicrobial resistance (AMR) has claimed at least 700 000 lives per year, including 230 000 from multi-drug resistant (MDR) tuberculosis. AMR-related deaths are projected to increase to 10 million by the year 2050. The use of biocides, improper prescribing of antibiotics for viral infections, prolonged hospital stays, and other issues contribute to AMR. The purpose of this study was to determine whether the COVID-19 pandemic has had an impact on the rates of AMR globally. While it is still early for the results of research studies, 4 articles indicated an increase, 2 found a decrease, and 2 had mixed results. It is possible that this pandemic may be contributing to an increase of medication-resistant infections.
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Affiliation(s)
| | | | - Uday Patil
- Office of Public Health Studies, University of Hawai‘i at Maānoa, Honolulu, HI
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Burillo A, Candel FJ, Canut-Blasco A. Value of syndromic panels in the management of severe community-acquired pneumonia. REVISTA ESPANOLA DE QUIMIOTERAPIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE QUIMIOTERAPIA 2022; 35 Suppl 1:15-20. [PMID: 35488818 PMCID: PMC9106196 DOI: 10.37201/req/s01.03.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Community-acquired pneumonia requiring hospital admission is a prevalent and potentially serious infection, especially in high-risk patients (e.g., those requiring ICU admission or immunocompromised). International guidelines recommend early aetiological diagnosis to improve prognosis and reduce mortality. Syndromic panels that detect causative pathogens by molecular methods are here to stay. They are highly sensitive and specific for detecting the targets included in the test. A growing number of studies measuring their clinical impact have observed increased treatment appropriateness and decreased turnaround time to aetiological diagnosis, need for admission, length of hospital stay, days of isolation, adverse effects of medication and hospital costs. Its use is recommended a) per a pre-established protocol on making the diagnosis and managing the patient, b) together with an antimicrobial stewardship programme involving both the Microbiology Service and the clinicians responsible for the patient, and c) the final evaluation of the whole process. However, we recall that microbiological diagnosis with traditional methods remains mandatory due to the possibility that the aetiological agent is not included among the molecular targets and to determine the antimicrobial susceptibility of the pathogens detected.
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Affiliation(s)
- A Burillo
- Almudena Burillo, Clinical Microbiology and Infectious Diseases Department, Doctor Esquerdo 46, 28007 Madrid, Spain.
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Marin-Corral J, Pascual-Guardia S, Muñoz-Bermúdez R, Salazar-Degracia A, Climent C, Vilà-Vilardell C, Acer M, Picornell M, Restrepo M, Masclans J, Álvarez-Lerma F. Health care-associated infections in patients with COVID-19 pneumonia in COVID critical care areas. MEDICINA INTENSIVA (ENGLISH EDITION) 2022; 46:221-223. [PMID: 35461666 PMCID: PMC9020188 DOI: 10.1016/j.medine.2021.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 04/12/2021] [Indexed: 01/08/2023]
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Cohen R, Babushkin F, Finn T, Geller K, Alexander H, Datnow C, Uda M, Shapiro M, Paikin S, Lellouche J. High Rates of Bacterial Pulmonary Co-Infections and Superinfections Identified by Multiplex PCR among Critically Ill COVID-19 Patients. Microorganisms 2021; 9:microorganisms9122483. [PMID: 34946086 PMCID: PMC8707776 DOI: 10.3390/microorganisms9122483] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/26/2021] [Accepted: 11/28/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The role of bacterial co-infection and superinfection among critically ill COVID-19 patients remains unclear. The aim of this study was to assess the rates and characteristics of pulmonary infections, and associated outcomes of ventilated patients in our facility. METHODS This was a retrospective study of ventilated COVID-19 patients between March 2020 and March 2021 that underwent BioFire®, FilmArray® Pneumonia Panel, testing. Community-acquired pneumonia (CAP) was defined when identified during the first 72 h of hospitalization, and ventilator-associated pneumonia (VAP) when later. RESULTS 148 FilmArray tests were obtained from 93 patients. With FilmArray, 17% of patients had CAP (16/93) and 68% had VAP (64/93). Patients with VAP were older than those with CAP or those with no infection (68.5 vs. 57-59 years), had longer length of stay and higher mortality (51% vs. 10%). The most commonly identified FilmArray target organisms were H. influenzae, S. pneumoniae, M. catarrhalis and E. cloacae for CAP and P. aeruginosa and S. aureus for VAP. FilmArray tests had high negative predictive values (99.6%) and lower positive predictive values (~60%). CONCLUSIONS We found high rates of both CAP and VAP among the critically ill, caused by the typical and expected organisms for both conditions. VAP diagnosis was associated with poor patient outcomes.
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Affiliation(s)
- Regev Cohen
- Adelson School of Medicine, Ariel University, Ariel 4077625, Israel; (T.F.); (J.L.)
- Infectious Diseases Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (F.B.); (K.G.); (H.A.); (C.D.)
- Correspondence: ; Tel.: +972-(9)-8609335
| | - Frida Babushkin
- Infectious Diseases Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (F.B.); (K.G.); (H.A.); (C.D.)
| | - Talya Finn
- Adelson School of Medicine, Ariel University, Ariel 4077625, Israel; (T.F.); (J.L.)
- Infectious Diseases Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (F.B.); (K.G.); (H.A.); (C.D.)
| | - Keren Geller
- Infectious Diseases Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (F.B.); (K.G.); (H.A.); (C.D.)
| | - Hanna Alexander
- Infectious Diseases Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (F.B.); (K.G.); (H.A.); (C.D.)
| | - Candice Datnow
- Infectious Diseases Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (F.B.); (K.G.); (H.A.); (C.D.)
| | - Martina Uda
- Intensive Care Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (M.U.); (M.S.)
| | - Maurice Shapiro
- Intensive Care Unit, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel; (M.U.); (M.S.)
| | - Svetlana Paikin
- Clinical Microbiology Laboratory, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel;
| | - Jonathan Lellouche
- Adelson School of Medicine, Ariel University, Ariel 4077625, Israel; (T.F.); (J.L.)
- Clinical Microbiology Laboratory, Sanz Medical Center, Laniado Hospital, Netanya 4244915, Israel;
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Suarez-de-la-Rica A, Serrano P, De-la-Oliva R, Sánchez-Díaz P, Molinero P, Falces-Romero I, Ferrando C, Rello J, Maseda E. Secondary infections in mechanically ventilated patients with COVID-19: An overlooked matter? REVISTA ESPANOLA DE QUIMIOTERAPIA : PUBLICACION OFICIAL DE LA SOCIEDAD ESPANOLA DE QUIMIOTERAPIA 2021; 34:330-336. [PMID: 33764004 PMCID: PMC8329574 DOI: 10.37201/req/031.2021] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 03/08/2021] [Indexed: 01/08/2023]
Abstract
OBJECTIVE The susceptibility to infection probably increases in COVID-19 patients due to a combination of virusand drug-induced immunosuppression. The reported rate of secondary infections was quite low in previous studies. The objectives of our study were to investigate the rate of secondary infections, risk factors for secondary infections and risk factors for mortality in COVID-19 critically ill patients. METHODS We performed a single-center retrospective study in mechanically ventilated critically ill COVID-19 patients admitted to our Critical Care Unit (CCU). We recorded the patients' demographic data; clinical data; microbiology data and incidence of secondary infection during CCU stay, including ventilator-associated pneumonia (VAP) and nosocomial bacteremia (primary and secondary). RESULTS A total of 107 patients with a mean age 62.2 ± 10.6 years were included. Incidence of secondary infection during CCU stay was 43.0% (46 patients), including nosocomial bacteremia (34 patients) and VAP (35 patients). Age was related to development of secondary infection (65.2 ± 7.3 vs. 59.9 ± 12.2 years, p=0.007). Age ≥ 65 years and secondary infection were independent predictors of mortality (OR=2.692, 95% CI 1.068-6.782, p<0.036; and OR=3.658, 95% CI 1.385- 9.660, p=0.009, respectively). The hazard ratio for death within 90 days in the ≥ 65 years group and in patients infected by antimicrobial resistant pathogens was 1.901 (95% CI 1.198- 3.018; p= 0.005 by log-rank test) and 1.787 (95% CI 1.023-3.122; p= 0.036 by log-rank test), respectively. CONCLUSIONS Our data suggest that the incidence of secondary infection and infection by antimicrobial resistant pathogens is very high in critically ill patients with COVID-19 with a significant impact on prognosis.
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Affiliation(s)
- A Suarez-de-la-Rica
- Alejandro Suarez-de-la-Rica, Department of Anesthesiology and Surgical Critical Care. Hospital Universitario Marqués de Valdecilla. Santander. Spain.
| | | | | | | | | | | | | | | | - E Maseda
- Emilio Maseda, Department of Anesthesiology and Surgical Critical Care. Hospital Universitario Marqués de Valdecilla. Santander. Spain.
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Marin-Corral J, Pascual-Guardia S, Muñoz-Bermúdez R, Salazar-Degracia A, Climent C, Vilà-Vilardell C, Acer M, Picornell M, Restrepo MI, Masclans JR, Álvarez-Lerma F. Health care-associated infections in patients with COVID-19 pneumonia in COVID critical care areas. Med Intensiva 2021; 46:S0210-5691(21)00077-2. [PMID: 34045109 PMCID: PMC8086824 DOI: 10.1016/j.medin.2021.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 04/06/2021] [Accepted: 04/12/2021] [Indexed: 01/08/2023]
Affiliation(s)
- J Marin-Corral
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain; Division of Pulmonary Diseases & Critical Care Medicine, University of Texas Health San Antonio, San Antonio, TX, USA.
| | - S Pascual-Guardia
- Division of Pulmonary Diseases & Critical Care Medicine, University of Texas Health San Antonio, San Antonio, TX, USA; Respiratory Department, Hospital del Mar, IMIM, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Spain
| | - R Muñoz-Bermúdez
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - A Salazar-Degracia
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - C Climent
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - C Vilà-Vilardell
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - M Acer
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - M Picornell
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - M I Restrepo
- Division of Pulmonary Diseases & Critical Care Medicine, University of Texas Health San Antonio, San Antonio, TX, USA; Section of Pulmonary & Critical Care Medicine, South Texas Veterans Health Care System, San Antonio, TX, USA
| | - J R Masclans
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain; Department of Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - F Álvarez-Lerma
- Critical Care Department, Hospital del Mar, Barcelona, Spain; Critical Illness Research Group (GREPAC), Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain; Department of Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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Feldman C, Anderson R. The role of co-infections and secondary infections in patients with COVID-19. Pneumonia (Nathan) 2021; 13:5. [PMID: 33894790 PMCID: PMC8068564 DOI: 10.1186/s41479-021-00083-w] [Citation(s) in RCA: 181] [Impact Index Per Article: 60.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 03/12/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND It has been recognised for a considerable time-period, that viral respiratory infections predispose patients to bacterial infections, and that these co-infections have a worse outcome than either infection on its own. However, it is still unclear what exact roles co-infections and/or superinfections play in patients with COVID-19 infection. MAIN BODY This was an extensive review of the current literature regarding co-infections and superinfections in patients with SARS-CoV-2 infection. The definitions used were those of the Centers for Disease Control and Prevention (US), which defines coinfection as one occurring concurrently with the initial infection, while superinfections are those infections that follow on a previous infection, especially when caused by microorganisms that are resistant, or have become resistant, to the antibiotics used earlier. Some researchers have envisioned three potential scenarios of bacterial/SARS-CoV-2 co-infection; namely, secondary SARS-CoV-2 infection following bacterial infection or colonisation, combined viral/bacterial pneumonia, or secondary bacterial superinfection following SARS-CoV-2. There are a myriad of published articles ranging from letters to the editor to systematic reviews and meta-analyses describing varying ranges of co-infection and/or superinfection in patients with COVID-19. The concomitant infections described included other respiratory viruses, bacteria, including mycobacteria, fungi, as well as other, more unusual, pathogens. However, as will be seen in this review, there is often not a clear distinction made in the literature as to what the authors are referring to, whether true concomitant/co-infections or superinfections. In addition, possible mechanisms of the interactions between viral infections, including SARS-CoV-2, and other infections, particularly bacterial infections are discussed further. Lastly, the impact of these co-infections and superinfections in the severity of COVID-19 infections and their outcome is also described. CONCLUSION The current review describes varying rates of co-infections and/or superinfections in patients with COVID-19 infections, although often a clear distinction between the two is not clear in the literature. When they occur, these infections appear to be associated with both severity of COVID-19 as well as poorer outcomes.
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Affiliation(s)
- Charles Feldman
- Department of Internal Medicine, Faculty of Health Sciences, University of the Witwatersrand Medical School, 7 York Road, Parktown, Johannesburg, 2193, South Africa.
| | - Ronald Anderson
- Department of Immunology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
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