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Agyeman WY, Bisht A, Gopinath A, Cheema AH, Chaludiya K, Khalid M, Nwosu M, Konka S, Khan S. A Systematic Review of Antibiotic Resistance Trends and Treatment Options for Hospital-Acquired Multidrug-Resistant Infections. Cureus 2022; 14:e29956. [PMID: 36381838 PMCID: PMC9635809 DOI: 10.7759/cureus.29956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 10/05/2022] [Indexed: 11/07/2022] Open
Abstract
Antimicrobial resistance is a major public health challenge described by the World Health Organization as one of the top 10 public health challenges worldwide. Drug-resistant microbes contribute significantly to morbidity and mortality in the hospital, especially in the critical care unit. The primary etiology of increasing antibiotic resistance is inappropriate and excessive use of antibiotics. The alarming rise of drug-resistant microbes worldwide threatens to erode our ability to treat infections with our current armamentarium of antibiotics. Unfortunately, the pace of development of new antibiotics by the pharmaceutical industry has not kept up with rising resistance to expand our options to treat microbial infections. The costs of antibiotic resistance include death and disability, extended hospital stays due to prolonged sickness, need for expensive therapies, rising healthcare expenditure, reduced productivity from time out of the workforce, and rising penury. This review sums up the common mechanisms, trends, and treatment options for hospital-acquired multidrug-resistant microbes.
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Affiliation(s)
- Walter Y Agyeman
- Internal Medicine, Piedmont Athens Regional Medical Center, Georgia, USA
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Aakash Bisht
- Internal Medicine, Government Medical College, Amritsar, Amritsar, IND
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ankit Gopinath
- Internal Medicine, Kasturba Medical College, Manipal, Manipal, IND
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Ameer Haider Cheema
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Keyur Chaludiya
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Maham Khalid
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Marcellina Nwosu
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Srujana Konka
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Safeera Khan
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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Haseeb A, Faidah HS, Alghamdi S, Alotaibi AF, Elrggal ME, Mahrous AJ, Almarzoky Abuhussain SS, Obaid NA, Algethamy M, AlQarni A, Khogeer AA, Saleem Z, Sheikh A. Dose Optimization of Colistin: A Systematic Review. Antibiotics (Basel) 2021; 10:antibiotics10121454. [PMID: 34943666 PMCID: PMC8698549 DOI: 10.3390/antibiotics10121454] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/13/2021] [Accepted: 11/16/2021] [Indexed: 11/16/2022] Open
Abstract
Colistin is considered a last treatment option for multi-drug and extensively resistant Gram-negative infections. We aimed to assess the available data on the dosing strategy of colistin. A systematic review was performed to identify all published studies on the dose optimization of colistin. Grey literature and electronic databases were searched. Data were collected in a specified form and the quality of the included articles was then assessed using the Newcastle-Ottawa scale for cohort studies, the Cochrane bias tool for randomized clinical trials (RCT), and the Joanna Briggs Institute (JBI) critical checklist for case reports. A total of 19 studies were included, of which 16 were cohort studies, one was a RCT, and two were case reports. A total of 18 studies proposed a dosing regimen for adults, while only one study proposed a dosing schedule for pediatric populations. As per the available evidence, a loading dose of 9 million international units (MIU) of colistin followed by a maintenance dose of 4.5 MIU every 12 h was considered the most appropriate dosing strategy to optimize the safety and efficacy of treatment and improve clinical outcomes. This review supports the administration of a loading dose followed by a maintenance dose of colistin in severe and life-threatening multi-drug Gram-negative bacterial infections.
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Affiliation(s)
- Abdul Haseeb
- Department of Clinical Pharmacy, College of Pharmacy, Umm Al Qura University, Makkah 24382, Saudi Arabia; (A.F.A.); (M.E.E.); (A.J.M.); (S.S.A.A.)
- Correspondence: ; Tel.: +96-656-856-0776
| | - Hani Saleh Faidah
- Department of Microbiology, Faculty of Medicine, Umm Al Qura University, Makkah 24382, Saudi Arabia;
| | - Saleh Alghamdi
- Department of Clinical Pharmacy, Faculty of Clinical Pharmacy, Al Baha University, Al Baha 65779, Saudi Arabia;
| | - Amal F. Alotaibi
- Department of Clinical Pharmacy, College of Pharmacy, Umm Al Qura University, Makkah 24382, Saudi Arabia; (A.F.A.); (M.E.E.); (A.J.M.); (S.S.A.A.)
| | - Mahmoud Essam Elrggal
- Department of Clinical Pharmacy, College of Pharmacy, Umm Al Qura University, Makkah 24382, Saudi Arabia; (A.F.A.); (M.E.E.); (A.J.M.); (S.S.A.A.)
| | - Ahmad Jamal Mahrous
- Department of Clinical Pharmacy, College of Pharmacy, Umm Al Qura University, Makkah 24382, Saudi Arabia; (A.F.A.); (M.E.E.); (A.J.M.); (S.S.A.A.)
| | - Safa S. Almarzoky Abuhussain
- Department of Clinical Pharmacy, College of Pharmacy, Umm Al Qura University, Makkah 24382, Saudi Arabia; (A.F.A.); (M.E.E.); (A.J.M.); (S.S.A.A.)
| | - Najla A. Obaid
- Department of Pharmaceutics, College of Pharmacy, Umm Al Qura University, Makkah 24382, Saudi Arabia;
| | - Manal Algethamy
- Alnoor Specialist Hospital, Department of Infection Prevention & Control Program, Makkah 24382, Saudi Arabia;
| | - Abdullmoin AlQarni
- Alnoor Specialist Hospital, Infectious Diseases Department, Makkah 24382, Saudi Arabia;
| | - Asim A. Khogeer
- Plan and Research Department, General Directorate of Health Affairs of Makkah Regiona, Ministry of Health, Makkah 24382, Saudi Arabia;
- Medical Genetics Unit, Maternity & Children Hospital, Makkah Healthcare Cluster, Ministry of Health, Makkah 24382, Saudi Arabia
| | - Zikria Saleem
- Department of Pharmacy Practice, Faculty of Pharmacy, The University of Lahore, Lahore 54000, Pakistan;
| | - Aziz Sheikh
- Usher Institute, The University of Edinburgh, Teviot Place, Edinburgh EH16 4UX, UK;
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Gordon LG, Elliott TM, Forde B, Mitchell B, Russo PL, Paterson DL, Harris PNA. Budget impact analysis of routinely using whole-genomic sequencing of six multidrug-resistant bacterial pathogens in Queensland, Australia. BMJ Open 2021; 11:e041968. [PMID: 33526501 PMCID: PMC7852923 DOI: 10.1136/bmjopen-2020-041968] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE To predict the cost and health effects of routine use of whole-genome sequencing (WGS) of bacterial pathogens compared with those of standard of care. DESIGN Budget impact analysis was performed over the following 5 years. Data were primarily from sequencing results on clusters of multidrug-resistant organisms across 27 hospitals. Model inputs were derived from hospitalisation and sequencing data, and epidemiological and costing reports, and included multidrug resistance rates and their trends. SETTING Queensland, Australia. PARTICIPANTS Hospitalised patients. INTERVENTIONS WGS surveillance of six common multidrug-resistant organisms (Staphylococcus aureus, Escherichia coli, Enterococcus faecium, Klebsiella pneumoniae, Enterobacter sp and Acinetobacter baumannii) compared with standard of care or routine microbiology testing. PRIMARY AND SECONDARY OUTCOMES Expected hospital costs, counts of patient infections and colonisations, and deaths from bloodstream infections. RESULTS In 2021, 97 539 patients in Queensland are expected to be infected or colonised with one of six multidrug-resistant organisms with standard of care testing. WGS surveillance strategy and earlier infection control measures could avoid 36 726 infected or colonised patients and avoid 650 deaths. The total cost under standard of care was $A170.8 million in 2021. WGS surveillance costs an additional $A26.8 million but was offset by fewer costs for cleaning, nursing, personal protective equipment, shorter hospital stays and antimicrobials to produce an overall cost savings of $30.9 million in 2021. Sensitivity analyses showed cost savings remained when input values were varied at 95% confidence limits. CONCLUSIONS Compared with standard of care, WGS surveillance at a state-wide level could prevent a substantial number of hospital patients infected with multidrug-resistant organisms and related deaths and save healthcare costs. Primary prevention through routine use of WGS is an investment priority for the control of serious hospital-associated infections.
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Affiliation(s)
- Louisa G Gordon
- Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
- School of Nursing, Queensland University of Technology (QUT), Brisbane, Queensland, Australia
- School of Public Health, The University of Queensland, Brisbane, Queensland, Australia
| | - Thomas M Elliott
- Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Brian Forde
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland, Australia
- The University of Queensland, Centre for Clinical Research, Brisbane, Queensland, Australia
| | - Brett Mitchell
- School of Nursing and Midwifery, The University of Newcastle, Newcastle, New South Wales, Australia
| | - Philip L Russo
- School of Nursing and Midwifery, Monash University, Melbourne, Victoria, Australia
| | - David L Paterson
- The University of Queensland, Centre for Clinical Research, Brisbane, Queensland, Australia
| | - Patrick N A Harris
- The University of Queensland, Centre for Clinical Research, Brisbane, Queensland, Australia
- Pathology Queensland, Queensland Health, Brisbane, Queensland, Australia
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Labrador-Herrera G, Pérez-Pulido AJ, Álvarez-Marín R, Casimiro-Soriguer CS, Cebrero-Cangueiro T, Morán-Barrio J, Pachón J, Viale AM, Pachón-Ibáñez ME. Virulence role of the outer membrane protein CarO in carbapenem-resistant Acinetobacter baumannii. Virulence 2020; 11:1727-1737. [PMID: 33300460 PMCID: PMC7733888 DOI: 10.1080/21505594.2020.1855912] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Novel approaches to treat carbapenem-resistant Acinetobacter baumannii (CRAB) infections are urgently needed and anti-virulence drugs represent promising alternatives, but our knowledge on potential targets is scarce. We searched for potential A. baumannii virulence factors by whole-genome sequencing-based comparisons of CRAB clinical isolates causing bloodstream infections secondary to ventilator-associated pneumonia from demographics and clinically homogeneous patients, who received optimal treatment but with different clinical outcomes. Thus, the carO gene was interrupted in CRAB isolates from surviving patients, while it was intact in isolates from non-surviving patients, and proteomic/immunoblot techniques corroborated it. When the virulence role of A. baumannii CarO was analyzed in model systems, isogenic ΔcarO mutants and a CRAB clinical isolate with truncated CarO, showed lower ability to adhere and invade A549 cells and in vivo virulence. This unnoticed virulence role for CarO postulate this A. baumannii outer membrane protein as a potential target for new therapies against CRAB infections.
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Affiliation(s)
- Gema Labrador-Herrera
- Clinical Unit of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío , Seville, Spain.,Institute of Biomedicine of Seville (IBiS), University of Seville/CSIC/University Hospital Virgen del Rocío , Seville, Spain
| | - Antonio J Pérez-Pulido
- Andalusian Centre for Developmental Biology (CABD, UPO-CSIC-JA), Faculty of Experimental Sciences (Genetics Area), Pablo de Olavide University , Seville, Spain
| | - Rocío Álvarez-Marín
- Clinical Unit of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío , Seville, Spain.,Institute of Biomedicine of Seville (IBiS), University of Seville/CSIC/University Hospital Virgen del Rocío , Seville, Spain
| | - Carlos S Casimiro-Soriguer
- Andalusian Centre for Developmental Biology (CABD, UPO-CSIC-JA), Faculty of Experimental Sciences (Genetics Area), Pablo de Olavide University , Seville, Spain
| | - Tania Cebrero-Cangueiro
- Clinical Unit of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío , Seville, Spain.,Institute of Biomedicine of Seville (IBiS), University of Seville/CSIC/University Hospital Virgen del Rocío , Seville, Spain.,Department of Medicine, University of Seville , Seville, Spain
| | - Jorgelina Morán-Barrio
- Instituto de Biología Molecular y Celular de Rosario (IBR), Departamento de Microbiología, Facultad de Ciencias Bioquímicas y Farmacéuticas, CONICET, Universidad Nacional de Rosario (UNR) , Rosario, Argentina
| | - Jerónimo Pachón
- Institute of Biomedicine of Seville (IBiS), University of Seville/CSIC/University Hospital Virgen del Rocío , Seville, Spain.,Department of Medicine, University of Seville , Seville, Spain
| | - Alejandro M Viale
- Instituto de Biología Molecular y Celular de Rosario (IBR), Departamento de Microbiología, Facultad de Ciencias Bioquímicas y Farmacéuticas, CONICET, Universidad Nacional de Rosario (UNR) , Rosario, Argentina
| | - María Eugenia Pachón-Ibáñez
- Clinical Unit of Infectious Diseases, Microbiology, and Preventive Medicine, University Hospital Virgen del Rocío , Seville, Spain.,Institute of Biomedicine of Seville (IBiS), University of Seville/CSIC/University Hospital Virgen del Rocío , Seville, Spain
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Management of infections caused by WHO critical priority Gram-negative pathogens in Arab countries of the Middle East: a consensus paper. Int J Antimicrob Agents 2020; 56:106104. [PMID: 32721603 DOI: 10.1016/j.ijantimicag.2020.106104] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 07/17/2020] [Accepted: 07/20/2020] [Indexed: 12/22/2022]
Abstract
Antimicrobial resistance is an important global issue that impacts the efficacy of established antimicrobial therapy. This is true globally and within the Arab countries of the Middle East, where a range of key Gram-negative pathogens pose challenges to effective therapy. There is a need to establish effective treatment recommendations for this region given specific challenges to antimicrobial therapy, including variations in the availability of antimicrobials, infrastructure and specialist expertise. This consensus provides regional recommendations for the first-line treatment of hospitalized patients with serious infections caused by World Health Organization critical priority Gram-negative pathogens Acinetobacter baumannii and Pseudomonas aeruginosa resistant to carbapenems, and Enterobacteriaceae resistant to carbapenems and third-generation cephalosporins. A working group comprising experts in infectious disease across the region was assembled to review contemporary literature and provide additional consensus on the treatment of key pathogens. Detailed therapeutic recommendations are formulated for these pathogens with a focus on bacteraemia, nosocomial pneumonia, urinary tract infections, skin and soft tissue infections, and intra-abdominal infections. First-line treatment options are provided, along with alternative agents that may be used where variations in antimicrobial availability exist or where local preferences and resistance patterns should be considered. These recommendations take into consideration the diverse social and healthcare structures of the Arab countries of the Middle East, meeting a need that is not filled by international guidelines. There is a need for these recommendations to be updated continually to reflect changes in antimicrobial resistance in the region, as well as drug availability and emerging data from clinical trials.
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Bassetti M, Giacobbe DR. Judging the appropriate therapy for carbapenem-resistant Acinetobacter infections. Expert Opin Pharmacother 2019; 21:135-138. [DOI: 10.1080/14656566.2019.1694002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Matteo Bassetti
- Clinica Malattie Infettive, Ospedale Policlinico San Martino – IRCCS, Genoa, Italy
- Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Daniele Roberto Giacobbe
- Clinica Malattie Infettive, Ospedale Policlinico San Martino – IRCCS, Genoa, Italy
- Department of Health Sciences, University of Genoa, Genoa, Italy
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Nørgaard SM, Jensen CS, Aalestrup J, Vandenbroucke-Grauls CMJE, de Boer MGJ, Pedersen AB. Choice of therapeutic interventions and outcomes for the treatment of infections caused by multidrug-resistant gram-negative pathogens: a systematic review. Antimicrob Resist Infect Control 2019; 8:170. [PMID: 31709047 PMCID: PMC6830003 DOI: 10.1186/s13756-019-0624-1] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 10/09/2019] [Indexed: 12/24/2022] Open
Abstract
Background Antimicrobial resistance is an increasingly serious threat to public health, and the increased occurrence of multidrug-resistant (MDR) bacteria is a concern in both high-income and low- and middle-income countries. The purpose of this systematic review was to identify and critically appraise current antimicrobial treatment options for infections with MDR Gram-negative bacteria. Methods A literature search for treatment of MDR extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae, A. baumannii, and P. aeruginosa was conducted in MEDLINE in January 2019. Relevant studies published in English, German, and French that evaluated clinical success, microbiological success, and 30-day mortality outcomes were included. The population of interest was adult patients. Results Of 672 studies, 43 met the inclusion criteria. Carbapenems are the most common antibiotics used for the treatment of ESBL-producing Enterobacteriaceae. The clinical and microbiological success was similar for group 1 carbapenems (imipenem, meropenem, or doripenem), group 2 carbapenems (ertapenem), and non-carbapenem antibiotics. Mortality data were contradictory for group 1 carbapenems compared to group 2 carbapenems. The most common treatment option for A. baumannii and P. aeruginosa infections was intravenous colistin, regardless of infection site. Clinical success and mortality were similar in A. baumannii infections treated with colistin combination therapy vs. colistin monotherapy, whereas heterogeneous results were found with respect to microbiological success. Monotherapy and colistin combination therapy were used against P. aeruginosa with clinical and microbiological success (70–100%) depending on the infection site and severity, and the antibiotic used. Ceftazidime-avibactam therapy for ESBL-producing Enterobacteriaceae and P. aeruginosa showed good clinical success in one study. Conclusion We did not find robust evidence for antibiotic treatment of any infection with MDR Gram-negative bacteria, including ESBL-producing Enterobacteriaceae, A. baumannii, and P. aeruginosa, that would lead to a firm recommendation for one specific antibiotic over another or for monotherapy over combination therapy. The choice of antibiotic treatment should be based on susceptibility testing balancing the expected clinical success rate against the risk of development of antibiotic resistance and the risk of severe side effects.
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Affiliation(s)
- Sarah Melissa Nørgaard
- 1Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, 8200 Aarhus, N Denmark
| | - Camilla Skaarup Jensen
- 1Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, 8200 Aarhus, N Denmark
| | - Josefine Aalestrup
- 1Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, 8200 Aarhus, N Denmark
| | - Christina M J E Vandenbroucke-Grauls
- 3Medical Microbiology and Infection Control, Amsterdam University Medical Centers, Vrije Universiteit, De Boelelaan 1117 Amsterdam, 1081 HV Amsterdam, The Netherlands
| | - Mark G J de Boer
- 2Department of Infectious Diseases, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Alma Becic Pedersen
- 1Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, 8200 Aarhus, N Denmark
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Predictors of mortality in patients infected with carbapenem-resistant Acinetobacter baumannii: A systematic review and meta-analysis. Am J Infect Control 2019; 47:1140-1145. [PMID: 31003750 DOI: 10.1016/j.ajic.2019.03.003] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 03/06/2019] [Accepted: 03/06/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Carbapenem-resistant Acinetobacter baumannii (CRAB) tops the list of threats to human health. Studies exploring predictors of mortality in patients with CRAB infection produced conflicting results. METHODS A systematic search of the PubMed, Embase, and the Cochrane Library databases was performed from inception to June 2018 to identify studies reporting mortality predictors in patients infected with CRAB. Two authors independently assessed trials for inclusion and data extraction. RESULTS A total of 19 observational studies were enrolled in this study. Factors associated with mortality of patients infected with CRAB were inappropriate empirical antimicrobial treatment (odds ratio [OR], 5.04; 95% confidence interval [CI], 2.56-9.94), septic shock (OR, 5.65; 95% CI, 2.35-13.57), chronic liver disease (OR, 2.36; 95% CI, 1.33-4.16), chronic renal disease (OR, 2.02; 95% CI, 1.37-2.99), hypertension (OR, 1.74; 95% CI, 1.08-2.80), neutropenia (OR, 3.31; 95% CI, 1.25-8.77), immunosuppressant use (OR, 3.15; 95% CI, 1.94-5.11), total parenteral nutrition (OR, 1.66; 95% CI, 1.08-2.56), and intubation (OR, 5.03; 95% CI, 2.33-10.87). Acute Physiology and Chronic Health Evaluation II score at admission and Pitt bacteremia score at the onset of CRAB bacteremia were higher in nonsurvivors. CONCLUSIONS Our study suggests that severity of baseline condition and receiving inappropriate experience antibiotic therapy are major risk factors for higher mortality in patients with CRAB infections. These findings may help clinicians to take appropriate preventive measures and decrease mortality in such patients.
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Marchaim D, Kaye D, Kaye KS. Use of Colistin in Critically Ill Patients. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1145:155-179. [PMID: 31364078 DOI: 10.1007/978-3-030-16373-0_12] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Due to lack of better therapeutic options, colistin use for extensively drug-resistant Gram-negative organisms was revived in the past two decades, including in patients in intensive-care units (ICU). There are multiple knowledge gaps pertaining to the clinical use and utility of colistin in critically-ill patients, but due to lack of options, it is used in these high risk patients. In this chapter, we critically review the various topics pertaining to colistin use in critically-ill patients, while highlighting the (lack of) controlled evidence supporting common current practices pertaining to colistin use by clinicians.
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Affiliation(s)
- Dror Marchaim
- Unit of Infection Control, Shamir (Assaf Harofeh) Medical Center, Zerifin, Israel. .,Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
| | - Donald Kaye
- Drexel University College of Medicine, Philadelphia, PA, USA
| | - Keith S Kaye
- Division of Infectious Diseases, University of Michigan Medical School, Ann Arbor, MI, USA
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Katip W, Uitrakul S, Oberdorfer P. Clinical outcomes and nephrotoxicity of colistin loading dose for treatment of extensively drug-resistant Acinetobacter baumannii in cancer patients. Infect Drug Resist 2017; 10:293-298. [PMID: 28919792 PMCID: PMC5593398 DOI: 10.2147/idr.s144314] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Colistin is a last-line defense therapy against extensively drug-resistant Acinetobacter baumannii (XDR-AB). Despite a loading dose of colistin being applied in many clinical practices, studies evaluating the effect of the loading dose of colistin in cancer patients remain limited. Patients and methods A retrospective cohort study of cancer patients who received either a loading or non-loading dose of colistin for treatment of XDR-AB was conducted. For each group, the clinical response, bacteriological eradication and serum creatinine were recorded. Logistic regression was applied to evaluate the effects of therapy on each of the three aforementioned outcomes. Results One hundred and two patients diagnosed with XDR-AB infections between January 2012 and December 2015 were recruited. Only 75 patients were given a loading dose of colistin. There was no significant clinical and microbiological response in patients in the loading dose group or patients in the non-loading dose group. However, 38 (50.67%) patients in the loading dose group and 6 (22.22%) patients in the non-loading dose group developed nephrotoxicity according to the RIFLE criteria (p = 0.013). Multivariate logistic regression analysis showed that independent predictors of clinical response were Charlson score ≥4 and duration of colistin treatment ≥10 days. Septic shock correlated with both poor clinical and microbiological response. Independent predictors for nephrotoxicity were loading dose colistin and patient’s age ≥60 years. Conclusion Administration of colistin loading dose did not significantly increase clinical response, microbiological response or mortality rate compared to non-loading dose in cancer patients with XDR-AB-related infections. However, nephrotoxicity was significantly higher when patients received loading dose colistin.
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Affiliation(s)
- Wasan Katip
- Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
| | - Suriyon Uitrakul
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK
| | - Peninnah Oberdorfer
- Division of Infectious Diseases, Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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