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Karaiskos I, Gkoufa A, Polyzou E, Schinas G, Athanassa Z, Akinosoglou K. High-Dose Nebulized Colistin Methanesulfonate and the Role in Hospital-Acquired Pneumonia Caused by Gram-Negative Bacteria with Difficult-to-Treat Resistance: A Review. Microorganisms 2023; 11:1459. [PMID: 37374959 DOI: 10.3390/microorganisms11061459] [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: 04/26/2023] [Revised: 05/27/2023] [Accepted: 05/30/2023] [Indexed: 06/29/2023] Open
Abstract
Hospital-acquired pneumonia, including ventilator-associated pneumonia (VAP) due to difficult-to-treat-resistant (DTR) Gram-negative bacteria, contributes significantly to morbidity and mortality in ICUs. In the era of COVID-19, the incidences of secondary nosocomial pneumonia and the demand for invasive mechanical ventilation have increased dramatically with extremely high attributable mortality. Treatment options for DTR pathogens are limited. Therefore, an increased interest in high-dose nebulized colistin methanesulfonate (CMS), defined as a nebulized dose above 6 million IU (MIU), has come into sight. Herein, the authors present the available modern knowledge regarding high-dose nebulized CMS and current information on pharmacokinetics, clinical studies, and toxicity issues. A brief report on types of nebulizers is also analyzed. High-dose nebulized CMS was administrated as an adjunctive and substitutive strategy. High-dose nebulized CMS up to 15 MIU was attributed with a clinical outcome of 63%. High-dose nebulized CMS administration offers advantages in terms of efficacy against DTR Gram-negative bacteria, a favorable safety profile, and improved pharmacokinetics in the treatment of VAP. However, due to the heterogeneity of studies and small sample population, the apparent benefit in clinical outcomes must be proven in large-scale trials to lead to the optimal use of high-dose nebulized CMS.
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Affiliation(s)
- Ilias Karaiskos
- First Department of Internal Medicine-Infectious Diseases, Hygeia General Hospital, 4, Erythrou Stavrou Str. & Kifisias, 15123 Athens, Greece
| | - Aikaterini Gkoufa
- Infectious Diseases and COVID-19 Unit, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Elena Polyzou
- School of Medicine, University of Patras, 26504 Patras, Greece
- Department of Internal Medicine and Infectious Diseases, University General Hospital of Patras, 26504 Patras, Greece
| | | | - Zoe Athanassa
- Intensive Care Unit, Sismanoglio General Hospital, 15126 Athens, Greece
| | - Karolina Akinosoglou
- School of Medicine, University of Patras, 26504 Patras, Greece
- Department of Internal Medicine and Infectious Diseases, University General Hospital of Patras, 26504 Patras, Greece
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Iwona GM, Anna P, Mateusz F, Michal K, Anna K, Paweł M, Estera JM, Dorota R, Agnieszka C, Barbara Ż, Jadwiga WM. Impact of tooth brushing on oral bacteriota and health care-associated infections among ventilated COVID-19 patients: an intervention study. Antimicrob Resist Infect Control 2023; 12:17. [PMID: 36890608 PMCID: PMC9992909 DOI: 10.1186/s13756-023-01218-y] [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: 10/23/2022] [Accepted: 02/15/2023] [Indexed: 03/10/2023] Open
Abstract
BACKGROUND Up to 48% of ventilated coronavirus disease 2019 (COVID-19) patients develop ventilator-associated pneumonia (VAP) during hospitalization in an ICU. Dysbiotic oral microbiota can colonize the lower respiratory tract and lead to VAP. It is recommended to introduce oral care strategies in the ICU to prevent VAP. In this study, we observed the impact of an oral hygienic protocol with tooth brushing on cultivable oral bacteriota, the incidence of HAI and patient safety among mechanically ventilated COVID-19 patients in an ICU setting. METHODS In this prospective cohort study, we recruited 56 adult COVID-19 patients who qualified for mechanical ventilation. Patients were divided into 2 groups depending on the oral care procedure: standard and extended oral procedures with tooth brushing. Oral bacteriota samples were taken first within 36 h and after 7 days of intubation. Microorganisms were identified by MALDI/TOF mass spectrometry. bacterial health care-associated infection (HAI) cases were retrospectively analyzed by etiology. A PFGE study was performed for Klebsiella pneumoniae to check for clonal spreading of strains from oral bacteriota samples and HAI cases. RESULTS We observed significant dysbiosis and a decrease in cultivable oral bacteriota diversity, with a high frequency of potentially pathogenic species, including Acinetobacter baumannii and K. pneumoniae. The HAI incidence rate was high (55.2/1000 patient-days), most commonly of K. pneumoniae and A. baumannii etiologies, which correlated with the presence of A. baumannii and K. pneumoniae in the oral samples. Strains isolated from VAP cases were the same as oral isolates in 8 cases. The procedure with tooth brushing led to less frequent identification of A. baumannii in oral samples (55.6% vs. 5.3%, p = 0.001); however, it did not decrease the incidence of HAIs. CONCLUSIONS Dysbiotic oral bacteriota is an important source of respiratory pathogens. The introduction of tooth brushing in oral hygiene protocols in an ICU setting was effective in decreasing the extent of oral bacteriota dysbiosis; however, it did not reduce the risk of HAIs or mortality. TRIAL REGISTRATION 1072.6120.333.2020.
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Affiliation(s)
- Gregorczyk-Maga Iwona
- Institute of Dentistry, Faculty of Medicine, Jagiellonian University Medical College, Ul. Montelupich 4, 31-155, Kraków, Poland
| | - Pałka Anna
- Microbiology Unit, University Hospital, Ul. Jakubowskiego 2, 30-688, Kraków, Poland
| | - Fiema Mateusz
- Department of Endocrinology, University Hospital, Ul. Jakubowskiego 2, 30-688, Kraków, Poland
| | - Kania Michal
- Doctoral School of Medicine and Health Sciences, Jagiellonian University Medical College, Ul. św. Anny 12, 31-008, Kraków, Poland. .,Chair of Metabolic Diseases, Faculty of Medicine, Jagiellonian University Medical College, Ul. Jakubowskiego 2, 30-688, Kraków, Poland.
| | - Kujawska Anna
- Microbiology Unit, University Hospital, Ul. Jakubowskiego 2, 30-688, Kraków, Poland
| | - Maga Paweł
- Chair of Angiology, Faculty of Medicine, Jagiellonian University Medical College, Ul. Jakubowskiego 2, 30-688, Kraków, Poland
| | - Jachowicz-Matczak Estera
- Chair of Microbiology, Faculty of Medicine, Jagiellonian University Medical College, Czysta 18, 31-121, Kraków, Poland
| | - Romaniszyn Dorota
- Chair of Microbiology, Faculty of Medicine, Jagiellonian University Medical College, Czysta 18, 31-121, Kraków, Poland
| | - Chmielarczyk Agnieszka
- Chair of Microbiology, Faculty of Medicine, Jagiellonian University Medical College, Czysta 18, 31-121, Kraków, Poland
| | - Żółtowska Barbara
- Center for Innovative Therapy, Clinical Research Coordination Center, University Hospital, Ul. Jakubowskiego 2, 30-688, Kraków, Poland
| | - Wójkowska-Mach Jadwiga
- Chair of Microbiology, Faculty of Medicine, Jagiellonian University Medical College, Czysta 18, 31-121, Kraków, Poland
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Boyd S, Sheng Loh K, Lynch J, Alrashed D, Muzzammil S, Marsh H, Masoud M, Bin Ihsan S, Martin-Loeches I. Elevated Rates of Ventilator-Associated Pneumonia and COVID-19 Associated Pulmonary Aspergillosis in Critically Ill Patients with SARS-CoV2 Infection in the Second Wave: A Retrospective Chart Review. Antibiotics (Basel) 2022; 11:antibiotics11050632. [PMID: 35625276 PMCID: PMC9138004 DOI: 10.3390/antibiotics11050632] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/03/2022] [Accepted: 05/04/2022] [Indexed: 01/27/2023] Open
Abstract
Due to multiple risk factors, the rate of ventilator-associated pneumonia in critically ill COVID-19 patients has been reported in a range of 7.6% to 86%. The rate of invasive pulmonary aspergillosis in this cohort has been reported at 4% to 30%. We undertook a retrospective chart review of 276 patients who were admitted to intensive care in a large university hospital. The period studied included patients from 23 February 2014 to 12 May 2021. Four groups were collected: COVID-19 Wave 1, COVID-19 Wave 2, influenza, and community-acquired pneumonia. Clinical characteristics, outcomes, and microbiological cultures were recorded. The incidence of ventilator-associated pneumonia in COVID-19 Wave 1, COVID-19 Wave 2, influenza, and community-acquired pneumonia was 5.45%, 27.40%, 16.67%, and 3.41%, respectively (p < 0.001). The rate of invasive pulmonary aspergillosis was 0%, 9.59%, 13.33%, and 6.82%, respectively (p < 0.001). A significantly elevated rate of ventilator-associated pneumonia and invasive pulmonary aspergillosis was noted in the second wave of COVID-19 when compared to the first. This was accompanied by an increase in the mortality rate. Increased steroid use was an independent risk factor for ventilator-associated pneumonia and invasive pulmonary aspergillosis across all four groups. Despite an increased understanding of this disease, no clinical trials have shown any promising therapeutic options at present.
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Affiliation(s)
- Sean Boyd
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
- Correspondence:
| | - Kai Sheng Loh
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
| | - Jessie Lynch
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
| | - Dhari Alrashed
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
| | - Saad Muzzammil
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
| | - Hannah Marsh
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
| | - Mustafa Masoud
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
| | - Salman Bin Ihsan
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
| | - Ignacio Martin-Loeches
- Multidisciplinary Intensive Care Research Organization (MICRO), St James’s Hospital, D08 NHY1 Dublin, Ireland; (K.S.L.); (J.L.); (D.A.); (S.M.); (H.M.); (M.M.); (S.B.I.); (I.M.-L.)
- Trinity College Dublin, University of Dublin, DN02 PN40 Dublin, Ireland
- Pulmonary Intensive Care Unit, Respiratory Institute, Hospital Clinic of Barcelona, IDIBAPS, University of Barcelona, CIBERes, 08036 Barcelona, Spain
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Tang HJ, Lai CC, Chao CM. Changing Epidemiology of Respiratory Tract Infection during COVID-19 Pandemic. Antibiotics (Basel) 2022; 11:antibiotics11030315. [PMID: 35326778 PMCID: PMC8944752 DOI: 10.3390/antibiotics11030315] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Revised: 02/24/2022] [Accepted: 02/24/2022] [Indexed: 11/16/2022] Open
Abstract
The outbreak of COVID-19 has significantly changed the epidemiology of respiratory tract infection in several ways. The implementation of non-pharmaceutical interventions (NPIs) including universal masking, hand hygiene, and social distancing not only resulted in a decline in reported SARS-CoV-2 cases but also contributed to the decline in the non-COVID-19 respiratory tract infection-related hospital utilization. Moreover, it also led to the decreased incidence of previous commonly encountered respiratory pathogens, such as influenza and Streptococcus pneumoniae. Although antimicrobial agents are essential for treating patients with COVID-19 co-infection, the prescribing of antibiotics was significantly higher than the estimated prevalence of bacterial co-infection, which indicated the overuse of antibiotics or unnecessary antibiotic use during the COVID-19 pandemic. Furthermore, inappropriate antimicrobial exposure may drive the selection of drug-resistant microorganisms, and the disruption of infection control in COVID-19 setting measures may result in the spread of multidrug-resistant organisms (MDROs). In conclusion, NPIs could be effective in preventing respiratory tract infection and changing the microbiologic distribution of respiratory pathogens; however, we should continue with epidemiological surveillance to establish updated information, antimicrobial stewardship programs for appropriate use of antibiotic, and infection control prevention interventions to prevent the spread of MDROs during the COVID-19 pandemic.
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Affiliation(s)
- Hung-Jen Tang
- Department of Medicine, Chi Mei Medical Center, Tainan 71004, Taiwan;
| | - Chih-Cheng Lai
- Department of Internal Medicine, Kaohsiung Veterans General Hospital, Tainan Branch, Tainan 710, Taiwan;
| | - Chien-Ming Chao
- Department of Intensive Care Medicine, Chi Mei Medical Center, Liouying, Tainan 73657, Taiwan
- Correspondence:
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