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Yee LJKG, Abad CLR, Cabaluna ITG, Lim JA. Outcomes of adult patients with multidrug-resistant Acinetobacter baumannii ventilator-associated pneumonia treated with monotherapy versus combination therapy in a tertiary hospital. Diagn Microbiol Infect Dis 2024; 110:116481. [PMID: 39128206 DOI: 10.1016/j.diagmicrobio.2024.116481] [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: 03/15/2024] [Revised: 08/05/2024] [Accepted: 08/05/2024] [Indexed: 08/13/2024]
Abstract
We compared clinical outcomes of patients who received monotherapy and combination therapy for treatment of MDR A. baumannii VAP. 170 patients were included. Vasopressor use and mortality rate were higher for combination therapy (69.3% versus 28.6%, p=0.024; 67.5% versus 14.3%, p=0.007; respectively). Majority received polymyxin B-based combination therapy, with higher mortality than those without polymyxin B (80.2% versus 19.8%, p=0.043). After adjusting for vasopressor use, monotherapy, dual combination, and triple combination therapy were not associated with mortality (aHR 0.24, 95% CI 0.03 to 1.79, p=0.169; aHR 1.26, 95% CI 0.79 to 2.00, p=0.367; aHR 0.93, 95% CI 0.57 to 1.49, p=0.744; respectively). There was no difference in adverse effects and length of stay between the two groups. Mortality from MDR A. baumannii VAP was high and not associated with monotherapy or combination therapy after adjustment for vasopressor use. Antibiotic regimens other than those containing polymyxin are urgently needed for the treatment of these infections.
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Affiliation(s)
- Leisa Jeanne Kaye G Yee
- Division of Infectious Diseases, Department of Medicine, University of the Philippines - Philippine General Hospital, Taft Avenue, Manila, Philippines.
| | - Cybele Lara R Abad
- Division of Infectious Diseases, Department of Medicine, University of the Philippines - Philippine General Hospital, Taft Avenue, Manila, Philippines
| | - Ian Theodore G Cabaluna
- Institute of Clinical Epidemiology - Department of Medicine, University of the Philippines Manila- National Institutes of Health, Pedro Gil Street, Manila, Philippines
| | - Jodor A Lim
- Division of Infectious Diseases, Department of Medicine, University of the Philippines - Philippine General Hospital, Taft Avenue, Manila, Philippines
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Sadyrbaeva-Dolgova S, Sánchez-Suárez MDM, Reguera Márquez JA, Hidalgo-Tenorio C. The Challenge of Bacteremia Treatment due to Non-Fermenting Gram-Negative Bacteria. Microorganisms 2023; 11:microorganisms11040899. [PMID: 37110322 PMCID: PMC10146667 DOI: 10.3390/microorganisms11040899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/26/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
Nosocomial infections caused by non-fermenting Gram-negative bacteria are a real challenge for clinicians, especially concerning the accuracy of empirical treatment. This study aimed to describe the clinical characteristic, empirical antibiotic therapy, accuracy of these prescriptions for appropriate coverage and risk factor for clinical failure of bloodstream infections due to non-fermenting Gram-negative bacilli. This retrospective, observational cohort study was conducted between January 2016 and June 2022. Data were collected from the hospital’s electronic record. The statistic tests corresponding to each objective were applied. A multivariate logistic regression was performed. Among the total 120 patients included in the study, the median age was 63.7 years, and 79.2% were men. Considering the appropriate empirical treatment rate by species, inappropriate treatment for S. maltophilia was 72.4% (p = 0.088), for A. baumanii 67.6% and 45.6% for P. aeruginosa. Clinical success was achieved in 53.3%, and overall, 28-day mortality was 45.8%. ICU admission, sepsis or shock septic, age, previous antibiotic treatment and contact with healthcare facilities were independently associated with clinical failure. In conclusion, bloodstream infection produced by multidrug-resistant non-fermenting Gram-negative bacteria is a significant therapeutic management challenge for clinicians. The accuracy of empirical treatment is low due to the fact that it is not recommended to cover these microorganisms empirically, especially S. maltophilia and A. baumanii.
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Affiliation(s)
- Svetlana Sadyrbaeva-Dolgova
- Pharmacy Service, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18014 Granada, Spain
- Correspondence: (S.S.-D.); (C.H.-T.)
| | | | | | - Carmen Hidalgo-Tenorio
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18014 Granada, Spain
- Infectious Disease Service, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain
- Correspondence: (S.S.-D.); (C.H.-T.)
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Wang JL, Xiang BX, Song XL, Que RM, Zuo XC, Xie YL. Prevalence of polymyxin-induced nephrotoxicity and its predictors in critically ill adult patients: A meta-analysis. World J Clin Cases 2022; 10:11466-11485. [PMID: 36387815 PMCID: PMC9649555 DOI: 10.12998/wjcc.v10.i31.11466] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/15/2022] [Accepted: 09/23/2022] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Polymyxin-induced nephrotoxicity is a major safety concern in clinical practice due to long-term adverse outcomes and high mortality.
AIM To conducted a systematic review and meta-analysis of the prevalence and potential predictors of polymyxin-induced nephrotoxicity in adult intensive care unit (ICU) patients.
METHODS PubMed, EMBASE, the Cochrane Library and Reference Citation Analysis database were searched for relevant studies from inception through May 30, 2022. The pooled prevalence of polymyxin-induced nephrotoxicity and pooled risk ratios of associated factors were analysed using a random-effects or fixed-effects model by Stata SE ver. 12.1. Additionally, subgroup analyses and meta-regression were conducted to assess heterogeneity.
RESULTS A total of 89 studies involving 12234 critically ill adult patients were included in the meta-analysis. The overall pooled incidence of polymyxin-induced nephrotoxicity was 34.8%. The pooled prevalence of colistin-induced nephrotoxicity was not higher than that of polymyxin B (PMB)-induced nephrotoxicity. The subgroup analyses showed that nephrotoxicity was significantly associated with dosing interval, nephrotoxicity criteria, age, publication year, study quality and sample size, which were confirmed in the univariable meta-regression analysis. Nephrotoxicity was significantly increased when the total daily dose was divided into 2 doses but not 3 or 4 doses. Furthermore, older age, the presence of sepsis or septic shock, hypoalbuminemia, and concomitant vancomycin or vasopressor use were independent risk factors for polymyxin-induced nephrotoxicity, while an elevated baseline glomerular filtration rate was a protective factor against colistin-induced nephrotoxicity.
CONCLUSION Our findings indicated that the incidence of polymyxin-induced nephrotoxicity among ICU patients was high. It emphasizes the importance of additional efforts to manage ICU patients receiving polymyxins to decrease the risk of adverse outcomes.
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Affiliation(s)
- Jiang-Lin Wang
- Department of Pharmacy, The Third Xiangya Hospital of Central South University, Changsha 410013, Hunan Province, China
| | - Bi-Xiao Xiang
- Department of Pharmacy, The Third Xiangya Hospital of Central South University, Changsha 410013, Hunan Province, China
| | - Xiao-Li Song
- Department of Pharmacy, Sanya Central Hospital, Sanya 572000, Hainan Province, China
| | - Rui-Man Que
- Department of Pharmacy, The Third Xiangya Hospital of Central South University, Changsha 410013, Hunan Province, China
| | - Xiao-Cong Zuo
- Department of Pharmacy, The Third Xiangya Hospital of Central South University, Changsha 410013, Hunan Province, China
| | - Yue-Liang Xie
- Department of Pharmacy, The Third Xiangya Hospital of Central South University, Changsha 410013, Hunan Province, China
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Panaro S, Cattalini M. The Spectrum of Manifestations of Severe Acute Respiratory Syndrome-Coronavirus 2 (SARS-CoV2) Infection in Children: What We Can Learn From Multisystem Inflammatory Syndrome in Children (MIS-C). Front Med (Lausanne) 2021; 8:747190. [PMID: 34778310 PMCID: PMC8581204 DOI: 10.3389/fmed.2021.747190] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 09/29/2021] [Indexed: 01/19/2023] Open
Abstract
Multisystem Inflammatory Syndrome in Children (MIS-C) is defined as a clinically serious condition requiring hospitalization with fever, multi-system organ disfunction, inflammatory biomarkers increase. The syndrome develops in the context of a probable or ascertained Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV2) infection, but other possible etiologies should be ruled out for definitive diagnosis. On the clinical side, along with the multi-system involvement, myocarditis with heart failure and shock is the most striking feature. Capillary leak is another fundamental feature of MIS-C. In fact, shock and hemodynamic compromise in MIS-C can occur also in the absence of laboratory evidence of myocardial inflammation, with preserved cardiac function and rapid reversibility. Since the first observations of MIS-C patients, it was evident that there is a delay between the peak of adult cases of Coronavirus disease 19 (COVID-19) and the MIS-C peak. Moreover, SARS-Cov2 isolation in children with MIS-C is not always possible, due to low viral load, while positive serology is far more commonly observed. These observations lead to the interpretation of MIS-C as a post-infectious disease. Although the exact pathogenesis of MIS-C is far from being elucidated, it is clear that it is a hyperinflammatory disease with a different inflammatory response as compared to what is seen in acute SARS-CoV-2 infection and that the disease shares some, but not all, immunological features with Macrophage Activation Syndrome (MAS), Kawasaki Disease (KD), Hemophagocytic Lymphohistiocytosis (HLH), and Toxic Shock Syndrome (TSS). Different mechanisms have been hypothesized as being responsible, from molecular mimicry to antibody dependent enhancement (ADE). Some evidence has also been collected on the immunological profile of patients with MIS-C and their difference from COVID-19. This review is focused on critical aspects of MIS-C clinical presentation and pathogenesis, and different immunological profiles. We propose a model where this hyperinflammatory disease represents one manifestation of the SARS-CoV2 spectrum in children, going from asymptomatic carriers to the post-infectious MIS-C, through symptomatic children, a low number of which may suffer from a severe infection with hyperinflammation (pediatric Hyper-COVID).
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Affiliation(s)
- Salvatore Panaro
- Rheumatology and Clinical Immunology Unit, University of Brescia and Azienda Socio Sanitaria Territoriale (ASST) Spedali Civili di Brescia, Brescia, Italy
| | - Marco Cattalini
- Pediatric Clinic, University of Brescia and Azienda Socio Sanitaria Territoriale (ASST) Spedali Civili di Brescia, Brescia, Italy
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Yousefi Nojookambari N, Sadredinamin M, Dehbanipour R, Ghalavand Z, Eslami G, Vaezjalali M, Nikmanesh B, Yazdansetad S. Prevalence of β-lactamase-encoding genes and molecular typing of Acinetobacter baumannii isolates carrying carbapenemase OXA-24 in children. Ann Clin Microbiol Antimicrob 2021; 20:75. [PMID: 34702307 PMCID: PMC8549256 DOI: 10.1186/s12941-021-00480-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 10/11/2021] [Indexed: 12/12/2022] Open
Abstract
Background β-Lactam antibiotics have been broadly used for the treatment of Acinetobacter baumannii infections, resulting in development of β-lactam inactivating β-lactamases. Here, we described antibiotic resistance rate, prevalence of β-lactamase-encoding genes, and clonal relationships of A. baumannii strains isolated from children referred to Children’s Medical Center in Tehran, Iran, during 2019–2020. Methods A total of 60 non-replicate A. baumannii isolates were recovered from clinical specimens of pediatric patients. Antibiotic susceptibility testing was done by the disc diffusion method. Colistin susceptibility of isolates was performed by the broth microdilution method. β-lactamase-encoding genes were characterized by PCR. The presence of ISAba1 element upstream of the several oxacillinase genes was also checked. Genetic relatedness of isolates was determined by using random amplification of polymorphic DNA (RAPD) typing. Results The antimicrobial susceptibility tests showed that 83.3% of A. baumannii isolates were MDR, and 40% XDR. Both MDR and XDR A. baumannii isolates were susceptible to colistin. The frequency of blaOXA-51-like, blaOXA-23-like, blaTEM, blaOXA-24-like, blaPER, blaSHV, blaCTX-M, blaOXA-58-like, and blaIMP was 100, 93.33, 60, 36.67, 28.33, 8.33, 5, 3.33, and 1.67%, respectively. Coexistence of ISAba1/blaOXA-23-like and ISAba1/blaOXA-51-like was observed in 65% and 85% of isolates, respectively. RAPD analysis revealed 4 common types and 2 single types of A. baumannii isolates. Conclusions The multiple clones harboring blaOXA-23-like, ISAba1-blaOXA-51-like, and ISAba1-blaOXA-23-like were responsible for the spread of A. baumannii isolates in our clinical wards. Dissemination of the well-established clones is worrisome and would become therapeutic challenges due to the possible transferring genetic elements associated with resistance. Supplementary Information The online version contains supplementary material available at 10.1186/s12941-021-00480-5.
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Affiliation(s)
- Neda Yousefi Nojookambari
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehrzad Sadredinamin
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Razieh Dehbanipour
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zohreh Ghalavand
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Gita Eslami
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Vaezjalali
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bahram Nikmanesh
- Department of Medical Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Sajjad Yazdansetad
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, Gorgan, Iran
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Ali EM, Albarraq AA, Makeen HA, Ezzi A, Mashragi YAM. Intravenous colistin in the treatment of multidrug-resistant gram-negative organism in tertiary hospital, Jazan, KSA. J Family Med Prim Care 2021; 10:333-338. [PMID: 34017749 PMCID: PMC8132804 DOI: 10.4103/jfmpc.jfmpc_1148_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 09/05/2020] [Accepted: 09/27/2020] [Indexed: 11/04/2022] Open
Abstract
Background It was considered that the resistance of drugs such as carbapenems and cephalosporins against severe or high risk gram-negative bacteria became a tremendous confront. This might be attributed to the little amount of these drugs to be used against the multi-resistant bacteria (MRB). Therefore, Colistin, Fosfomycin, Temocillin, and Rifampicin are antibiotics that have been used as multidrug-resistant bacterial infections in the treatment of some species of bacteria such as Acinetobacter, Pseudomonas species, and Enterobacteriaceae. Aim the present study is aimed to assess the integrity and efficiency of colistin for treating of the multidrug-resistant bacteria (MDR) especially gram-negative one among critical and non-critical patients in tertiary hospital in Jazan city. Ninety four patients who met the selection criteria and received colistimethate sodium (colistin) in the period between Februarys 2017 and March 2018 were recruited and their charts were reviewed retrospectively. Patients' information, medical conditions, and laboratory data were extracted. All patients received IV colistin, and the majority of the patients showed in their culture reports multidrug-resistant bacteria such as Pseudomonas aeruginosa and Acinetobacter baumannii. Patients who had normal renal function received from 2.5 to 5.0 mg of colistin/kg, which was divided in two or three doses intravenously, for duration ranging between 10 and 14 days. Results and conclusion Approximately half of patients (48.93%) were fully recovered, while 19% of them were partially responded to colistin treatment. In the current study it was showed that IV colistin treatment against the multidrug-resistant bacteria (gram-negative bacteria) was strongly related to mild nephrotoxicity in addition to with a proper response as shown only in three of our patients.
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Affiliation(s)
- Eman M Ali
- Department of Clinical Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Ahmed A Albarraq
- Department of Clinical Pharmacy, Pharmacy Practice Research Unit, College of Pharmacy, Jazan Univerity, Jazan, Saudi Arabia
| | - Hafiz A Makeen
- Department of Clinical Pharmacy, Pharmacy Practice Research Unit, College of Pharmacy, Jazan Univerity, Jazan, Saudi Arabia
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Aitullina A, Purviņa S, Krūmiņa A. Colistin co-administration with other nephrotoxins: experience of teaching hospital of Latvia. Int J Clin Pharm 2020; 43:509-517. [PMID: 32996073 DOI: 10.1007/s11096-020-01154-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 09/14/2020] [Indexed: 12/30/2022]
Abstract
Background Colistin is a potentially nephrotoxic antibiotic used for the management of multidrug-resistant bacterial infections in critically ill patients. Co-administration with other nephrotoxins was reported as a potentially modifiable risk factor of colistin acute kidney injury. Objective To establish the role of colistin dosing and co-medications in development of colistin kidney injury. Setting Community teaching hospital in Latvia. Method Adult patients from intensive care units with diagnosed Gram-negative bacterial infections, undergoing colistin treatment for longer than 72 h, and not receiving renal replacement therapy were included in this retrospective study. Main outcome measure Colistin nephrotoxicity was defined as an increase in the serum creatinine level by at least 50% from the baseline after ≥ 48 h. Results In 73 of 87 cases, Acinetobacter baumannii pneumonia was diagnosed. The nephrotoxicity rate was 27.6% with a median onset of 8 days. In 79% of the cases, colistin was co-administrated with at least one potentially nephrotoxic agent. The most used nephrotoxins were loop diuretics (44 cases), non-steroidal anti-inflammatory drugs (19 cases) and vancomycin (11 cases). The use of nephrotoxins was similar in patients with colistin nephrotoxicity (group-1) and without it (group-2). Carbapenems were more common in group-2 (37% vs 62%, p = 0.004) and a colistin loading dose of 9 MU in group-1 (87% vs 62%, p = 0.027). However, in the multifactor regression analysis, the protective role of carbapenems was not confirmed. Conclusion Potentially nephrotoxic agents are commonly co-administrated with colistin. This study failed to prove their role in the development of acute kidney injury.
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Affiliation(s)
- Aleksandra Aitullina
- Department of Pharmacology, Riga Stradins University, 13 Pilsonu St., Riga, 1002, Latvia. .,Paul Stradins Clinical University Hospital, Riga, Latvia.
| | - Santa Purviņa
- Department of Pharmacology, Riga Stradins University, 13 Pilsonu St., Riga, 1002, Latvia.,Paul Stradins Clinical University Hospital, Riga, Latvia
| | - Angelika Krūmiņa
- Department of Infectology, Riga Stradins University, 3 Linezera St., Riga, 1006, Latvia.,Riga East Clinical University Hospital, Riga, Latvia
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