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Koo J, Hord J, Gilliam C, Rae ML, Staubach K, Nowacki K, Lyren A, Coffey M, Dandoy CE. Levofloxacin prophylaxis in pediatric oncology and hematopoietic stem cell transplantation: a literature review. Pediatr Hematol Oncol 2024; 41:432-448. [PMID: 38975680 PMCID: PMC11335452 DOI: 10.1080/08880018.2024.2353888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/04/2023] [Accepted: 04/08/2023] [Indexed: 07/09/2024]
Abstract
Bloodstream infections (BSI) are one of the leading causes of morbidity and mortality in children and young adults receiving chemotherapy for malignancy or undergoing hematopoietic stem cell transplantation (HSCT). Antibiotic prophylaxis is commonly used to decrease the risk of BSI; however, antibiotics carry an inherent risk of complications. The aim of this manuscript is to review levofloxacin prophylaxis in pediatric oncology patients and HSCT recipients. We reviewed published literature on levofloxacin prophylaxis to prevent BSI in pediatric oncology patients and HSCT recipients. Nine manuscripts were identified. The use of levofloxacin is indicated in neutropenic children and young adults receiving intensive chemotherapy for leukemia or undergoing HSCT. These results support the efficacy of levofloxacin in pediatric patients with leukemia receiving intensive chemotherapy and should be considered in pediatric patients undergoing HSCT prior to engraftment.
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Affiliation(s)
- Jane Koo
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children’s Medical Center, Cincinnati, OH, USA
- University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Jeffrey Hord
- Showers Family Center for Childhood Cancer and Blood Disorders, Akron Children’s Hospital, Aakron, OH, USA
| | - Craig Gilliam
- Department of Infection Prevention and Control, St. Jude Children’s Research Hospital, Memphis, TN, USA
| | - Mary Lynn Rae
- Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL, USA
| | - Katherine Staubach
- James M Anderson Center for Health Systems Excellence, Cincinnati Children’s Medical Center, Cincinnati, OH, USA
| | - Katherine Nowacki
- James M Anderson Center for Health Systems Excellence, Cincinnati Children’s Medical Center, Cincinnati, OH, USA
| | - Anne Lyren
- Case Western Reserve University Cleveland, University Hospital Rainbow Babies & Children’s Hospital Cleveland, Cleveland, OH, USA
| | | | - Christopher E. Dandoy
- Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children’s Medical Center, Cincinnati, OH, USA
- University of Cincinnati College of Medicine, Cincinnati, OH, USA
- James M Anderson Center for Health Systems Excellence, Cincinnati Children’s Medical Center, Cincinnati, OH, USA
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Abdel-Raheem SM, Khodier SM, Almathen F, Hanafy AST, Abbas SM, Al-Shami SA, Al-Sultan SI, Alfifi A, El-Tarabili RM. Dissemination, virulence characteristic, antibiotic resistance determinants of emerging linezolid and vancomycin-resistant Enterococcus spp. in fish and crustacean. Int J Food Microbiol 2024; 418:110711. [PMID: 38677237 DOI: 10.1016/j.ijfoodmicro.2024.110711] [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: 02/13/2024] [Revised: 04/13/2024] [Accepted: 04/17/2024] [Indexed: 04/29/2024]
Abstract
Enterococci are emerging nosocomial pathogens. Their widespread distribution causes them to be food contaminants. Furthermore, Enterococci can colonize various ecological niches and diffuse into the food chain via contaminated animals and foods because of their remarkable tolerance to unfavorable environmental circumstances. Due to their potential dissemination to humans, antimicrobial-resistant Enterococci in fish are a worldwide health issue. This study characterized AMR, ARGs, VAGs, gelatinase activity, and biofilm formation in Enterococcus spp. recovered from fish and seafood and evaluated potential correlations. 54 Enterococcus spp. strains(32.73 %)were isolated from 165 samples (75 Oreochromis niloticus, 30 Argyrosomus regius, and 60 Shrimp), comprising 30 Enterococcus faecalis (55.6 %) and 24 Enterococcus faecium (44.4 %) with total 32.73 % (54/165), The maximum prevalence rate of Enterococcus spp. was observed in Nile tilapia (34/54; 63 %), followed by shrimp (14/54; 25.9 %) and Argyrosomus regius (6/54; 11.1 %). The maximum prevalence rate of E. faecalis was observed in Nile tilapia (22/30; 73.3 %), followed by shrimp (8/30; 26.7 %) with significant differences. The prevalence rate of E. faecium was observed in Nile tilapia (12/24; 50 %), followed by shrimp (6/24,25 %). E. faecium is only isolated from Argyrosomus regius (6/24,25 %). Isolates exhibited high resistance against both tetracycline (90.7 %) and erythromycin(88.9 %), followed by gentamycin (77.8 %), ciprofloxacin (74.1 %), levofloxacin (72.2 %), penicillin (44.4 %), vancomycin (37 %), and linezolid (20.4 %). 50 strains (92.6 %) exhibited resistance to more than two antibiotics, 5 strains (10 %) were XDR, and the remaining 45 strains (90 %) were classified as MDR. 92.6 % of the isolates had MARindices >0.2, indicating they originated in settings with a high risk of contamination. Additionally, ten ARGs were identified, with tet(M) 92.6 %, followed by erm(B) (88.9 %), aac(6')-Ie-aph(2″)-Ia(77.8 %), tet(K) (75.9 %), gyrA (74.1 %), blaZ (48.1 %), vanA (37 %), vanB (31.5 %), optrA (20.4 %), and catA(3.7 %). Biofilm formation and gelatinase activity were observed in 85.2 %, and 61.1 % of the isolates, respectively. A total of 11 VAGs were detected, with gelE as the most prevalent (83.3 %) followed by agg(79.6 %), pil (74.1 %), both sprE and asa1 (72.2 %), hyl (70.4 %), eps(68.5 %), EF3314 (57.4 %), ace (50 %), and cylA (35.2 %) with no detection of cylB. In conclusion, the emergence of linezolid-resistant -vancomycin-resistant enterococci recovered from Egyptian fish and shrimp, suggests that fish and seafood might participate a fundamental part in the emergence of antimicrobial resistance among humans.
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Affiliation(s)
- Sherief M Abdel-Raheem
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia; Department of Animal Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Assiut University, 71526 Assiut, Egypt.
| | - Sherin M Khodier
- Central lab for marine fish diagnosing and treatment and measuring fish and water quality, Marine Aquaculture Development (MADEӀӀ), Egypt
| | - Faisal Almathen
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia; Camel Research Center, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Al-Shaimaa T Hanafy
- Department of Bacteriology, Animal Health Research Institute, Portsaid laboratory Branch, Egypt
| | - Sarah M Abbas
- Department of Bacteriology, Animal Health Research Institute, Portsaid laboratory Branch, Egypt
| | - Salah Abdulaziz Al-Shami
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Saad Ibrahim Al-Sultan
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Ahmed Alfifi
- Department of Public Health, College of Veterinary Medicine, King Faisal University, P.O. Box 400, Al-Hofuf 31982, Al-Ahsa, Saudi Arabia.
| | - Reham M El-Tarabili
- Department of Bacteriology, Immunology and Mycology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt.
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Mwikuma G, Kainga H, Kallu SA, Nakajima C, Suzuki Y, Hang’ombe BM. Determination of the Prevalence and Antimicrobial Resistance of Enterococcus faecalis and Enterococcus faecium Associated with Poultry in Four Districts in Zambia. Antibiotics (Basel) 2023; 12:antibiotics12040657. [PMID: 37107019 PMCID: PMC10135028 DOI: 10.3390/antibiotics12040657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/17/2023] [Accepted: 03/22/2023] [Indexed: 03/30/2023] Open
Abstract
The presence of antimicrobial-resistant Enterococci in poultry is a growing public health concern worldwide due to its potential for transmission to humans. The aim of this study was to determine the prevalence and patterns of antimicrobial resistance and to detect drug-resistant genes in Enterococcus faecalis and E. faecium in poultry from four districts in Zambia. Identification of Enterococci was conducted using phenotypic methods. Antimicrobial resistance was determined using the disc diffusion method and antimicrobial resistance genes were detected using polymerase chain reaction and gene-specific primers. The overall prevalence of Enterococci was 31.1% (153/492, 95% CI: 27.1–35.4). Enterococcus faecalis had a significantly higher prevalence at 37.9% (58/153, 95% CI: 30.3–46.1) compared with E. faecium, which had a prevalence of 10.5% (16/153, 95% CI: 6.3–16.7). Most of the E. faecalis and E. faecium isolates were resistant to tetracycline (66/74, 89.2%) and ampicillin and erythromycin (51/74, 68.9%). The majority of isolates were susceptible to vancomycin (72/74, 97.3%). The results show that poultry are a potential source of multidrug-resistant E. faecalis and E. faecium strains, which can be transmitted to humans. Resistance genes in the Enterococcus species can also be transmitted to pathogenic bacteria if they colonize the same poultry, thus threatening the safety of poultry production, leading to significant public health concerns.
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Wang Z, Liao S, Huang G, Feng M, Yin R, Teng L, Jia C, Yao Y, Yue M, Li Y. Infant food production environments: A potential reservoir for vancomycin-resistant enterococci non-nosocomial infections. Int J Food Microbiol 2023; 389:110105. [PMID: 36731202 DOI: 10.1016/j.ijfoodmicro.2023.110105] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/25/2023]
Abstract
Enterococcus has been considered one of the most important nosocomial pathogens for human infections, and the hospital environment is an important reservoir for vancomycin-resistant enterococci (VRE) that leads to antimicrobial therapeutic failure. However, infant foods and their production environments could pose risks for the immature population, while this question remains unaddressed. This study conducted an extensive and thorough Enterococcus isolation, VRE risk assessment of the Chinese infant food production chains and additional online-marketing infant foods, including powdered infant formula (PIF) and infant complementary food (ICF). To investigate the prevalence of Enterococcus along infant food chains and commodities, a total of 482 strains of Enterococcus, including E. faecium (n = 363), E. faecalis (n = 84), E. casseliflavus (n = 13), E. mundtii (n = 12), E. gallinarum (n = 4), E. hirae (n = 4), and E. durans (n = 2) were recovered from 459 samples collected from infant food production chains (71/254) and food commodities (67/205). A decreasing trend for Enterococcus detection rate was found in the PIF production chain (PIF-PC), particularly during the preparation of the PIF base powder (From 100 % in raw milk to 8.70 % in end products), while an increasing trend was observed in the ICF production chain (ICF-PC) mainly during the initial processing of farm crops and the further processing of the product (20 % at farm crops increasing to 76.92 % at end products). The result indicated that the PIF-PC process effectively reduced Enterococcus contamination, while the ICF-PC showed the opposite trend. Importantly, eleven VRE isolates were recovered from the infant food production chain, including seven E. casseliflavus isolates carrying vanC2/C3 and four E. gallinarum isolates carrying vanC1. Ten VRE isolates were from food production environments. Collectively, our study demonstrated that infant food production environments represent potential reservoirs for VRE non-nosocomial infections in vulnerable populations.
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Affiliation(s)
- Zining Wang
- Hainan Institute, Zhejiang University, Sanya 572025, China; Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Sihao Liao
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Guanwen Huang
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Mengyao Feng
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Rui Yin
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Lin Teng
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Chenghao Jia
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Yicheng Yao
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China
| | - Min Yue
- Hainan Institute, Zhejiang University, Sanya 572025, China; Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou 310058, China; State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China.
| | - Yan Li
- Hainan Institute, Zhejiang University, Sanya 572025, China; Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, China.
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Farhadi R, Saffar MJ, Monfared FT, Larijani LV, Kenari SA, Charati JY. Prevalence, risk factors and molecular analysis of vancomycin-resistant Enterococci colonization in a referral neonatal intensive care unit: A prospective study in northern Iran. J Glob Antimicrob Resist 2022; 30:474-479. [DOI: 10.1016/j.jgar.2022.05.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 05/15/2022] [Accepted: 05/20/2022] [Indexed: 11/26/2022] Open
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Trautmannsberger I, Kolberg L, Meyer-Buehn M, Huebner J, Werner G, Weber R, Heselich V, Schroepf S, Muench HG, von Both U. Epidemiological and genetic characteristics of vancomycin-resistant Enterococcus faecium isolates in a University Children's Hospital in Germany: 2019 to 2020. Antimicrob Resist Infect Control 2022; 11:48. [PMID: 35279207 PMCID: PMC8917738 DOI: 10.1186/s13756-022-01081-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 02/12/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Vancomycin-resistant Enterococcus faecium (VREfm) strains are one of the most important pathogens causing nosocomial infections in Germany. Due to limited treatment options and an increased risk for acquisition in immunocompromised children, surveillance to monitor occurrence of VREfm in paediatric clinical facilities is of critical importance. Following an unusual accumulation of VREfm positive patients between April 2019 and August 2020 at Dr. von Hauner Children's Hospital in Munich, Germany, our study aimed to identify dynamics and routes of transmission, and analyse the affected population in view of previously described host risk factors for VREfm colonisation or infection. METHODS The hospital database was used to collect epidemiological and clinical data of VREfm cases. Descriptive statistical analyses were conducted to outline patient characteristics and depict possible differences between VREfm-colonised and -infected children. An outbreak investigation determining genetic relatedness among VREfm isolates was performed by core genome multilocus sequence typing (cgMLST). To examine potential transmission pathways, results of genome analysis were compared with epidemiological and clinical data of VREfm positive patients. RESULTS VREfm acquisition was documented in a total of 33 children (< 18 years). Seven VREfm-colonised patients (21.2%), especially those with a haemato-oncological disease (4/7; p = 0.011), showed signs of clinical infection. cgMLST analysis revealed seven distinct clusters, demonstrating a possible connection within each clonal lineage. Additional eight singletons were identified. Comparison with epidemiological and clinical data provided strong evidence for a link between several VREfm positive patients within the hospital. CONCLUSIONS A nosocomial spread-at least in part-was the most likely reason for the unusual accumulation of VREfm cases. The study highlights that there is a constant need to increase efforts in hygiene measures, infection control and antibiotic stewardship to combat VREfm transmission events within German paediatric hospitals. Continuous monitoring of adherence to respective policies might reduce the occurrence of clustered cases and prevent future outbreaks.
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Affiliation(s)
- Ilona Trautmannsberger
- Division of Paediatric Infectious Diseases, Dr. Von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-University (LMU) Munich, Lindwurmstr. 4, 80337, Munich, Germany
- Institute for Medical Information Processing, Biometry, and Epidemiology - IBE, LMU Munich, Munich, Germany
- Pettenkofer School of Public Health, Munich, Germany
| | - Laura Kolberg
- Division of Paediatric Infectious Diseases, Dr. Von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-University (LMU) Munich, Lindwurmstr. 4, 80337, Munich, Germany
| | - Melanie Meyer-Buehn
- Division of Paediatric Infectious Diseases, Dr. Von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-University (LMU) Munich, Lindwurmstr. 4, 80337, Munich, Germany
| | - Johannes Huebner
- Division of Paediatric Infectious Diseases, Dr. Von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-University (LMU) Munich, Lindwurmstr. 4, 80337, Munich, Germany
- German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany
| | - Guido Werner
- Robert Koch Institute, Wernigerode Branch, Wernigerode, Germany
| | - Robert Weber
- Robert Koch Institute, Wernigerode Branch, Wernigerode, Germany
- Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Valerie Heselich
- Division of Neonatology, Dr. Von Hauner Children's Hospital, University Hospital, LMU Munich, Munich, Germany
| | - Sebastian Schroepf
- Division of Neonatology, Dr. Von Hauner Children's Hospital, University Hospital, LMU Munich, Munich, Germany
| | - Hans-Georg Muench
- Division of Neonatology, Dr. Von Hauner Children's Hospital, University Hospital, LMU Munich, Munich, Germany
| | - Ulrich von Both
- Division of Paediatric Infectious Diseases, Dr. Von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-University (LMU) Munich, Lindwurmstr. 4, 80337, Munich, Germany.
- German Center for Infection Research (DZIF), Partner Site Munich, Munich, Germany.
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Reinseth IS, Ovchinnikov KV, Tønnesen HH, Carlsen H, Diep DB. The Increasing Issue of Vancomycin-Resistant Enterococci and the Bacteriocin Solution. Probiotics Antimicrob Proteins 2021; 12:1203-1217. [PMID: 31758332 PMCID: PMC8613153 DOI: 10.1007/s12602-019-09618-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Enterococci are commensals of human and other animals’ gastrointestinal tracts. Only making up a small part of the microbiota, they have not played a significant role in research, until the 1980s. Although the exact year is variable according to different geographical areas, this was the decade when vancomycin-resistant enterococci (VRE) were discovered and since then their role as causative agents of human infections has increased. Enterococcus faecium is on the WHO’s list of “bacteria for which new antibiotics are urgently needed,” and with no new antibiotics in development, the situation is desperate. In this review, different aspects of VRE are outlined, including the mortality caused by VRE, antibiotic resistance profiles, animal-modeling efforts, and virulence. In addition, the limitations of current antibiotic treatments for VRE and prospective new treatments, such as bacteriocins, are reviewed.
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Affiliation(s)
- Ingvild S Reinseth
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, P.O. Box 5003, 1432, Ås, Norway
| | - Kirill V Ovchinnikov
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, P.O. Box 5003, 1432, Ås, Norway
| | - Hanne H Tønnesen
- Section of Pharmaceutics and Social Pharmacy, Department of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316, Oslo, Norway
| | - Harald Carlsen
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, P.O. Box 5003, 1432, Ås, Norway
| | - Dzung B Diep
- Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, P.O. Box 5003, 1432, Ås, Norway.
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Kruger Howard A, Parbuoni KA, Claeys K, Biggs JM, Seung H, Johnson K, Campbell J, Morgan JA. Validation of neonatal and paediatric antimicrobial stewardship treatment algorithms in rapid diagnostic-detected bacteraemia. INTERNATIONAL JOURNAL OF PHARMACY PRACTICE 2021; 29:486-492. [PMID: 34173658 DOI: 10.1093/ijpp/riab031] [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: 10/29/2020] [Accepted: 05/25/2021] [Indexed: 11/12/2022]
Abstract
OBJECTIVES Blood culture rapid diagnostic testing (RDT) aids in early organism identification and resistance gene detection. This information allows quicker transition to tailored antimicrobial therapy, improved patient outcomes and prevention of antimicrobial resistance. An antimicrobial treatment algorithm based on RDT results and local antibiograms can serve as a valuable clinical decision-support tool. This study assessed the proportion of appropriate antibiotic therapy recommendations using a novel paediatric RDT-guided treatment algorithm compared with standard care (SC) in paediatric bacteraemia. METHODS This was a retrospective, observational study of admitted paediatric patients who received antibiotics for RDT-confirmed bacteraemia. Appropriateness of SC was compared with algorithm-recommended treatment. Antimicrobial appropriateness was defined as in vitro susceptibility to the organism identified through traditional microbiology. Clinical appropriateness took into consideration the ability to tailor therapy within 12 h of RDT results. Appropriateness was evaluated by two blinded, independent reviewers. KEY FINDINGS Eighty-six blood cultures were included with 15 unique Gram-positive and Gram-negative species or genus identified. Comparative antimicrobial appropriateness of SC and algorithm-recommended treatment was 94.2% (81/86) and 100% (86/86), respectively (P = 0.06). Clinical assessment determined 39.5% (34/86) of SC patients were on appropriate therapy within 12 h of RDT result. Algorithm-recommended therapy was clinically appropriate in 97.7% (84/86) of patients (P < 0.001). There was a median time savings of 42.7 h (IQR 40.6, 49.4) for the patients able to be de-escalated as compared with waiting on final sensitivities. CONCLUSIONS Algorithm-guided treatment may allow most patients to be de-escalated to organism-tailored therapy earlier in their therapeutic course.
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Affiliation(s)
- Amy Kruger Howard
- Department of Pharmacy Practice and Science, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Kristine A Parbuoni
- Department of Pharmacy Practice and Science, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Kimberly Claeys
- Department of Pharmacy Practice and Science, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Jessica M Biggs
- Clinical Pharmacy Practice, University of Maryland Medical Center, Baltimore, MD, USA
| | - Hyunuk Seung
- Department of Pharmacy Practice and Science, University of Maryland School of Pharmacy, Baltimore, MD, USA
| | - Kristie Johnson
- Department of Pathology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - James Campbell
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Jill A Morgan
- Department of Pharmacy Practice and Science, University of Maryland School of Pharmacy, Baltimore, MD, USA
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Hsu YL, Chang SN, Lin CC, Lin HC, Lai HC, Kuo CC, Hwang KP, Chiang HY. Clinical characteristics and prediction analysis of pediatric urinary tract infections caused by gram-positive bacteria. Sci Rep 2021; 11:11010. [PMID: 34040098 PMCID: PMC8155007 DOI: 10.1038/s41598-021-90535-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 05/05/2021] [Indexed: 11/17/2022] Open
Abstract
Gram-positive (GP) pathogens are less accounted for in pediatric urinary tract infection (UTI), and their clinical impact is underrecognized. This study aimed to identify predictors of GP uropathogens in pediatric UTI. In this 14-year retrospective cohort of pediatric patients with UTI, we classified first-time UTIs cases into those caused by GP or Gram-negative (GN) bacteria. We constructed a multivariable logistic regression model to predict GP UTI. We evaluated model performance through calibration and discrimination plots. We developed a nomogram to predict GP UTI that is clinically feasible. Of 3783 children with first-time UTI, 166 (4.4%) were infected by GP and 3617 (95.6%) by GN bacteria. Among children with GP UTI, the most common uropathogens were vancomycin-resistant Enterococcus faecalis (VRE) (27.1%), Staphylococcus saprophyticus (26.5%), and coagulase-negative Staphylococci (12.7%). Eight independent risk factors were associated with GP UTI: Age ≥ 24 months (odds ratio [OR]: 3.21), no prior antibiotic use (OR: 3.13), serum white blood cell (WBC) count < 14.4 × 103/μL (OR: 2.19), high sensitivity C-reactive protein (hsCRP) < 3.4 mg/dL (OR: 2.18), hemoglobin ≥ 11.3 g/dL (OR: 1.90), negative urine leukocyte esterase (OR: 3.19), negative urine nitrite (OR: 4.13), and urine WBC < 420/μL (OR: 2.37). The model exhibited good discrimination (C-statistic 0.879; 95% CI 0.845-0.913) and calibration performance. VR E. faecalis, the leading GP uropathogen causing pediatric UTI, requires early detection for infection control. Our model for predicting GP UTI can help clinicians detect GP uropathogens and administer antibiotic regimen early.
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Affiliation(s)
- Yu-Lung Hsu
- Division of Infectious Diseases, China Medical University Children's Hospital, China Medical University, No. 2 Yuder Rd., North Dist., Taichung, 404 , Taiwan, ROC
| | - Shih-Ni Chang
- Big Data Center, China Medical University Hospital, No. 2 Yuder Rd., North Dist., Taichung , 404, Taiwan, ROC
| | - Che-Chen Lin
- Big Data Center, China Medical University Hospital, No. 2 Yuder Rd., North Dist., Taichung , 404, Taiwan, ROC
| | - Hsiao-Chuan Lin
- Division of Infectious Diseases, China Medical University Children's Hospital, China Medical University, No. 2 Yuder Rd., North Dist., Taichung, 404 , Taiwan, ROC
| | - Huan-Cheng Lai
- Division of Infectious Diseases, China Medical University Children's Hospital, China Medical University, No. 2 Yuder Rd., North Dist., Taichung, 404 , Taiwan, ROC
| | - Chin-Chi Kuo
- Big Data Center, China Medical University Hospital, No. 2 Yuder Rd., North Dist., Taichung , 404, Taiwan, ROC
- Kidney Institute, China Medical University Hospital, Taichung, 404, Taiwan, ROC
- Department of Medical Research, China Medical University Hospital, Taichung, 404, Taiwan, ROC
| | - Kao-Pin Hwang
- Division of Infectious Diseases, China Medical University Children's Hospital, China Medical University, No. 2 Yuder Rd., North Dist., Taichung, 404 , Taiwan, ROC
| | - Hsiu-Yin Chiang
- Big Data Center, China Medical University Hospital, No. 2 Yuder Rd., North Dist., Taichung , 404, Taiwan, ROC.
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Evangelista AG, Corrêa JAF, Pinto ACSM, Luciano FB. The impact of essential oils on antibiotic use in animal production regarding antimicrobial resistance - a review. Crit Rev Food Sci Nutr 2021; 62:5267-5283. [PMID: 33554635 DOI: 10.1080/10408398.2021.1883548] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Population growth directly affects the global food supply, demanding a higher production efficiency without farmland expansion - in view of limited land resources and biodiversity loss worldwide. In such scenario, intensive agriculture practices have been widely used. A commonly applied method to maximize yield in animal production is the use of subtherapeutic doses of antibiotics as growth promoters. Because of the strong antibiotic selection pressure generated, the intense use of antibiotic growth promoters (AGP) has been associated to the rise of antimicrobial resistance (AMR). Also, cross-resistance can occur, leading to the emergence of multidrug-resistant pathogens and limiting treatment options in both human and animal health. Thereon, alternatives have been studied to replace AGP in animal production. Among such alternatives, essential oils and essential oil components (EOC) stand out positively from others due to, besides antimicrobial effectiveness, improving zootechnical indexes and modulating genes involved in resistance mechanisms. This review summarizes recent studies in essential oils and EOC for zoonotic bacteria control, providing detailed information about the molecular-level effects of their use in regard to AMR, and identifying important gaps to be filled within the animal production area.
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Affiliation(s)
- Alberto Gonçalves Evangelista
- Graduate Program in Animal Science, Pontifical Catholic University of Paraná, Prado Velho - Curitiba, Paraná, Brazil
| | - Jessica Audrey Feijó Corrêa
- Graduate Program in Animal Science, Pontifical Catholic University of Paraná, Prado Velho - Curitiba, Paraná, Brazil
| | | | - Fernando Bittencourt Luciano
- Graduate Program in Animal Science, Pontifical Catholic University of Paraná, Prado Velho - Curitiba, Paraná, Brazil
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Orababa OQ, Soriwei JD, Akinsuyi SO, Essiet UU, Solesi OM. A systematic review and meta-analysis on the prevalence of vancomycin-resistant enterococci (VRE) among Nigerians. Porto Biomed J 2021; 6:e125. [PMID: 33884321 PMCID: PMC8055482 DOI: 10.1097/j.pbj.0000000000000125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 11/30/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Enterococci are opportunistic pathogens and are one of the most important bacteria in hospital-acquired infections. Their resistance to antibiotics such as vancomycin has led to life-threatening and difficult-to-treat nosocomial infections. The true prevalence in clinical settings in Nigeria is not well known due to the lack of a comprehensive antibiotic surveillance system. This study aims to estimate the prevalence of vancomycin-resistant enterococci (VRE) in clinical infections in Nigeria. METHODS Databases (PubMed, African Journal Online, and Google scholar) were searched following the Preferred Reporting Items for Systematic review and meta-analysis protocols (PRISMA-P) 2015 statements for articles reporting VRE prevalence, and were published before August 5, 2020. Data from the studies were extracted and analyzed using Microsoft Excel and Comprehensive Meta-Analysis (CMA 3.0), respectively. The pooled prevalence of VRE was estimated with the random-effects model and the 95% confidence interval (CI). The heterogeneity level was assessed using Cochran Q and I 2 tests. RESULTS A total of 35 articles were scanned for eligibility, among which 7 were included in the study after fulfilling the eligibility criteria. The studies analyzed a total of 832 enterococci isolates and 90 VRE strains. The prevalence of Enterococcus faecium and E faecalis in this study are 361 (59.3%) and 248 (40.7%), respectively, among which 41 (63.1%) of the E faecium and 24 (36.9%) of the E faecalis were vancomycin resistant. The pooled prevalence of VRE was estimated at (95% CI; 10.0-53.9%; I 2 = 93.50%; P < .001). The highest prevalence of VRE was reported from western Nigeria, 14.6% (95% CI; I 2 = 97.27; P < .001). CONCLUSION The prevalence of VRE in Nigeria according to the reports from this study is relatively high. The report of this study should help policymakers to put in place measures that will help curb the spread of VRE and associated resistant genes to other important clinical pathogens like Staphylococcus aureus.
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Affiliation(s)
| | - Jeffry Difiye Soriwei
- Department of Microbiology in Public Health, University of Bedfordshire, Luton, Bedfordshire, United Kingdom
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Subramaniam G, Girish M. Antibiotic Resistance - A Cause for Reemergence of Infections. Indian J Pediatr 2020; 87:937-944. [PMID: 32026301 DOI: 10.1007/s12098-019-03180-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 12/31/2019] [Indexed: 11/27/2022]
Abstract
This article can rightly be called 'the rise of the microbial phoenix'; for, all the microbial infections whose doomsday was predicted with the discovery of antibiotics, have thumbed their noses at mankind and reemerged phoenix like. The hubris generated by Sir Alexander Fleming's discovery of Penicillin in 1928, exemplified best by the comment by William H Stewart, the US Surgeon General in 1967, "It is time to close the books on infectious diseases" has been replaced by the realisation that the threat of antibiotic resistance is, in the words of the Chief Medical Officer of England, Dame Sally Davies, "just as important and deadly as climate change and international terrorism". Antimicrobial resistance threatens to negate all the major medical advances of the last century because antimicrobial use is linked to many other fields like organ transplantation and cancer chemotherapy. Antibiotic resistance genes have been there since ancient times in response to naturally occurring antibiotics. Modern medicine has only driven further evolution of antimicrobial resistance by use, misuse, overuse and abuse of antibiotics. Resistant bacteria proliferate by natural selection when their drug sensitive comrades are removed by antibiotics. In this article the authors discuss the various causes of antimicrobial resistance and dwell in some detail on antibiotic resistance in gram-positive and gram-negative organisms. Finally they stress on the important role clinicians have in limiting the development and spread of antimicrobial resistance.
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Affiliation(s)
- Girish Subramaniam
- Department of Pediatrics, Children Hospital, Midas Heights, Ramdaspeth, Nagpur, India.
| | - Meenakshi Girish
- Department of Pediatrics, All India Institute of Medical Sciences, Nagpur, India
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Heston SM, Young RR, Hong H, Akinboyo IC, Tanaka JS, Martin PL, Vinesett R, Jenkins K, McGill LE, Hazen KC, Seed PC, Kelly MS. Microbiology of Bloodstream Infections in Children After Hematopoietic Stem Cell Transplantation: A Single-Center Experience Over Two Decades (1997-2017). Open Forum Infect Dis 2020; 7:ofaa465. [PMID: 33209953 PMCID: PMC7652097 DOI: 10.1093/ofid/ofaa465] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 09/24/2020] [Indexed: 12/24/2022] Open
Abstract
Background Bloodstream infections (BSIs) occur frequently after hematopoietic stem cell transplantation (HSCT). We examined the microbiology of BSI in pediatric HSCT recipients over a 2-decade period at our institution to inform empirical antimicrobial prescribing and infection prevention strategies. Methods We conducted a retrospective cohort study of children (<18 years) who underwent HSCT at Duke University between 1997 and 2015. We used recurrent-event gap-time Cox proportional hazards models to determine the hazards of all-cause and cause-specific BSI according to HSCT year. We compared the median time to BSI by causative organism type and evaluated for temporal trends in the prevalence of antibiotic resistance among causative organisms. Results A total of 865 BSI occurred in 1311 children, including 412 (48%) Gram-positive bacterial, 196 (23%) Gram-negative bacterial, 56 (6%) fungal, 23 (3%) mycobacterial, and 178 (21%) polymicrobial BSI. The hazard of all BSIs did not change substantially over time during the study period, but the hazard of fungal BSIs declined over time during the study period (P = .04). Most fungal BSIs (82%) occurred in the first 100 days after HSCT, whereas mycobacterial BSIs occurred later after HSCT than BSIs caused by other organisms (P < .0001). The prevalence of vancomycin resistance among BSIs caused by Enterococcus faecium increased during the study period (P = .0007). The risk of 2-year mortality in children was increased with BSI (P = .02), Gram-negative bacterial BSI (P = .02), and fungal BSI (P < .0001). Conclusions Despite expanded practices for BSI prevention over the past several decades, the incidence of BSI remains high in pediatric HSCT recipients at our institution. Additional strategies are urgently needed to effectively prevent BSIs in this high-risk population.
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Affiliation(s)
- Sarah M Heston
- Division of Pediatric Infectious Diseases, Duke University Medical Center, Durham, North Carolina, USA
| | - Rebecca R Young
- Division of Pediatric Infectious Diseases, Duke University Medical Center, Durham, North Carolina, USA
| | - Hwanhee Hong
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, North Carolina, USA
| | - Ibukunoluwa C Akinboyo
- Division of Pediatric Infectious Diseases, Duke University Medical Center, Durham, North Carolina, USA
| | - John S Tanaka
- Duke University School of Medicine, Durham, North Carolina, USA
| | - Paul L Martin
- Division of Pediatric Transplant and Cellular Therapy, Duke University Medical Center, Durham, North Carolina, USA
| | - Richard Vinesett
- Division of Pediatric Transplant and Cellular Therapy, Duke University Medical Center, Durham, North Carolina, USA
| | - Kirsten Jenkins
- Division of Pediatric Infectious Diseases, Duke University Medical Center, Durham, North Carolina, USA
| | - Lauren E McGill
- Division of Pediatric Transplant and Cellular Therapy, Duke University Medical Center, Durham, North Carolina, USA
| | - Kevin C Hazen
- Pathology, Duke University Medical Center, Durham, North Carolina, USA
| | - Patrick C Seed
- Division of Pediatric Infectious Diseases, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois, USA
| | - Matthew S Kelly
- Division of Pediatric Infectious Diseases, Duke University Medical Center, Durham, North Carolina, USA
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Vancomycin-Resistant Enterococci (VRE) in Nigeria: The First Systematic Review and Meta-Analysis. Antibiotics (Basel) 2020; 9:antibiotics9090565. [PMID: 32882963 PMCID: PMC7558171 DOI: 10.3390/antibiotics9090565] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/23/2020] [Accepted: 08/26/2020] [Indexed: 12/15/2022] Open
Abstract
Vancomycin-Resistant Enterococci (VRE) are on the rise worldwide. Here, we report the first prevalence of VRE in Nigeria using systematic review and meta-analysis. International databases MedLib, PubMed, International Scientific Indexing (ISI), Web of Science, Scopus, Google Scholar, and African journals online (AJOL) were searched. Information was extracted by two independent reviewers, and results were reviewed by the third. Two reviewers independently assessed the study quality using the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) checklist. OpenMeta analyst was used. The random effect was used, and publication bias was assessed using a funnel plot. Between-study heterogeneity was assessed, and the sources were analysed using the leave-one-out meta-analysis, subgroup analysis, and meta-regression. Nineteen studies met the eligibility criteria and were added to the final meta-analysis, and the study period was from 2009–2018. Of the 2552 isolates tested, 349 were VRE, and E. faecalis was reported the most. The pooled prevalence of VRE in Nigeria was estimated at 25.3% (95% CI; 19.8–30.8%; I2 = 96.26%; p < 0.001). Between-study variability was high (t2 = 0.011; heterogeneity I2 = 96.26% with heterogeneity chi-square (Q) = 480.667, degrees of freedom (df) = 18, and p = 0.001). The funnel plot showed no publication bias, and the leave-one-out forest plot did not affect the pooled prevalence. The South-East region had a moderate heterogeneity though not significant (I2 = 51.15%, p = 0.129). Meta-regression showed that all the variables listed contributed to the heterogeneity except for the animal isolate source (p = 0.188) and studies that were done in 2013 (p = 0.219). Adherence to proper and accurate antimicrobial usage, comprehensive testing, and continuous surveillance of VRE are required.
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Willis ZI, Wilson WS. Revised Daptomycin Interpretation Criteria for Enterococcus faecium: What Are the Implications for Children? J Pediatric Infect Dis Soc 2020; 9:265-267. [PMID: 31603215 DOI: 10.1093/jpids/piz066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Zachary I Willis
- Department of Pediatrics, University of North Carolina School of Medicine
| | - William S Wilson
- Department of Pharmacy, UNC Health Care, Chapel Hill, North Carolina
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Rapid identification of the vanA/vanB resistance determinant in Enterococcus sp. from blood cultures using the Cepheid Xpert vanA/vanB cartridge system. Diagn Microbiol Infect Dis 2020; 96:114977. [DOI: 10.1016/j.diagmicrobio.2019.114977] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/25/2019] [Accepted: 12/20/2019] [Indexed: 12/20/2022]
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Melese A, Genet C, Andualem T. Prevalence of Vancomycin resistant enterococci (VRE) in Ethiopia: a systematic review and meta-analysis. BMC Infect Dis 2020; 20:124. [PMID: 32046668 PMCID: PMC7014939 DOI: 10.1186/s12879-020-4833-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/28/2020] [Indexed: 12/18/2022] Open
Abstract
Background The emergence of Vancomycin resistant enterococci (VRE) poses a major public health problem since it was first reported. Although the rising rates of VRE infections are being reported elsewhere in the worldwide; there is limited national pooled data in Ethiopia. Therefore, this study was aimed to estimate the pooled prevalence of VRE and antimicrobial resistance profiles of enterococci in Ethiopia. Methods Literature search was done at PubMed, EMBASE, Google scholar, African Journals online (AJOL) and Addis Ababa University repository following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. Both published and unpublished studies reporting the prevalence of VRE until June 30, 2019 were included. Data were extracted using Microsoft Excel and copied to Comprehensive Meta-analysis (CMA 2.0) for analysis. Pooled estimate of VRE was computed using the random effects model and the 95% CIs. The level of heterogeneity was assessed using Cochran’s Q and I2 tests. Publication bias was checked by visual inspection of funnel plots and Begg’s and/or Egger’s test. Results Twenty studies fulfilled the eligibility criteria and found with relevant data. A total of 831 enterococci and 71 VRE isolates were included in the analysis. The pooled prevalence of VRE was 14.8% (95% CI; 8.7–24.3; I2 = 74.05%; P < 0.001). Compared to vancomycin resistance, enterococci had higher rate of resistance to Penicillin (60.7%), Amoxicillin (56.5%), Doxycycline (55.1%) and Tetracycline (53.7%). Relatively low rate of resistance was found for Daptomycin and Linezolid with a pooled estimate of 3.2% (95% CI, 0.5–19.7%) and 9.9% (95% CI, 2.8–29.0%); respectively. The overall pooled multidrug resistance (MDR) rate of enterococci was 60.0% (95% CI, 42.9–75.0%). Conclusion The prevalence of VRE and drug resistant enterococci are on the rise in Ethiopia. Enterococcal isolates showed resistance to one or more of the commonly prescribed drugs in different or the same drug lines. Multidrug resistant (MDR) enterococci were also found. Although the rates were low, the emergence of resistance to Daptomycin and Linezolid is an alarm for searching new ways for the treatment and control of VRE infections. Adherence to antimicrobial stewardship, comprehensive testing and ongoing monitoring of VRE infections in the health care settings are required.
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Affiliation(s)
- Addisu Melese
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia.
| | - Chalachew Genet
- Department of Medical Laboratory Science, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia
| | - Tesfaye Andualem
- Department of Medical Laboratory Science, College of Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
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18
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Young S, Rohr JR, Harwood VJ. Vancomycin resistance plasmids affect persistence of Enterococcus faecium in water. WATER RESEARCH 2019; 166:115069. [PMID: 31536887 DOI: 10.1016/j.watres.2019.115069] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 08/21/2019] [Accepted: 09/07/2019] [Indexed: 06/10/2023]
Abstract
Vancomycin resistant enterococci (VRE) cause 20,000 infections annually in the United States, most of which are nosocomial. Recent findings of VRE in sewage-contaminated surface waters demonstrate an alternate route of human exposure, and a possible setting for horizontal gene exchange facilitated by plasmids and other mobile genetic elements. Maintenance of antibiotic resistance genes and proteins may, however, present a fitness cost in the absence of selective pressure, particularly in habitats such as environmental waters that are not optimal for gut-associated bacteria. Nutrient levels, which are transiently elevated following sewage spills, may also affect survival. We tested the hypotheses that nutrients and/or plasmids conferring vancomycin resistance affect Enterococcus faecium survival in river water by measuring decay of strains that differed only by their plasmid, under natural and augmented nutrient conditions. In natural river water, decay rate (log10 reduction) correlated directly with plasmid size; however, plasmid presence and size had no effect on decay rate when nutrients levels were augmented. Under natural nutrient levels, the vancomycin-resistant strain with the largest plasmid (200 kb) decayed significantly more rapidly than the plasmid-less, susceptible parent strain, in contrast to similar decay rates among strains under augmented nutrient conditions. This work is among the first to show that plasmids conferring antibiotic resistance affect fitness of Enterococcus species in secondary habitats such as surface water. The nutrient-dependent nature of the fitness cost suggests that conveyance of VRE to environmental waters in nutrient-rich sewage may prolong survival of these pathogens, providing greater opportunity for host infection and/or horizontal gene transfer.
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Affiliation(s)
- Suzanne Young
- Department of Integrative Biology, University of South Florida, Tampa, FL, USA; Laboratory of Environmental Chemistry, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Switzerland
| | - Jason R Rohr
- Department of Integrative Biology, University of South Florida, Tampa, FL, USA
| | - Valerie J Harwood
- Department of Integrative Biology, University of South Florida, Tampa, FL, USA.
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Karandikar MV, Milliren CE, Zaboulian R, Peiris P, Sharma T, Place AE, Sandora TJ. Limiting Vancomycin Exposure in Pediatric Oncology Patients With Febrile Neutropenia May Be Associated With Decreased Vancomycin-Resistant Enterococcus Incidence. J Pediatric Infect Dis Soc 2019; 9:428-436. [PMID: 31603472 PMCID: PMC7495906 DOI: 10.1093/jpids/piz064] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 08/16/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND Limited data exists regarding the effects of empiric antibiotic use in pediatric oncology patients with febrile neutropenia (FN) on the development of antibiotic resistance. We evaluated the impact of a change in our empiric FN guideline limiting vancomycin exposure on the development of vancomycin-resistant Enterococcus in pediatric oncology patients. METHODS Retrospective, quasi-experimental, single-center study using interrupted timeseries analysis in oncology patients aged ≤18 years with at least 1 admission for FN between 2009 and 2015. Risk strata incorporated diagnosis, chemotherapy phase, Down syndrome, septic shock, and typhlitis. Microbiologic data and inpatient antibiotic use were obtained by chart review. Segmented Poisson regression was used to compare VRE incidence and antibiotic days of therapy (DOT) before and after the intervention. RESULTS We identified 285 patients with 697 FN episodes pre-intervention and 309 patients with 691 FN episodes postintervention. The proportion of high-risk episodes was similar in both periods (49% vs 48%). Empiric vancomycin DOT/1000 FN days decreased from 315 pre-intervention to 164 post-intervention (P < .01) in high-risk episodes and from 199 to 115 in standard risk episodes (P < .01). Incidence of VRE/1000 patient-days decreased significantly from 2.53 pre-intervention to 0.90 post-intervention (incidence rate ratio, 0.14; 95% confidence interval, 0.04-0.47; P = .002). CONCLUSIONS A FN guideline limiting empiric vancomycin exposure was associated with a decreased incidence of VRE among pediatric oncology patients. Antimicrobial stewardship interventions are feasible in immunocompromised patients and can impact antibiotic resistance.
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Affiliation(s)
- Manjiree V Karandikar
- Division of Infectious Diseases and Global Health, Department of Pediatrics, University of California, San Francisco,Division of Infectious Diseases, Boston, Massachusetts,Correspondence: M. Karandikar, Division of Infectious Diseases and Global Health, University of California, San Francisco, 550 16th Street, 4th Floor Box 0434, San Francisco, CA 94107 ()
| | - Carly E Milliren
- Center for Applied Pediatric Quality Analytics, Department of Medicine, Boston Children’s Hospital, Boston, Massachusetts
| | | | | | - Tanvi Sharma
- Division of Infectious Diseases, Boston, Massachusetts
| | - Andrew E Place
- Dana-Farber/Boston Children’s Cancer and Blood Disorders Center, Department of Medicine, Boston, Massachusetts
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Zhen X, Lundborg CS, Sun X, Hu X, Dong H. Economic burden of antibiotic resistance in ESKAPE organisms: a systematic review. Antimicrob Resist Infect Control 2019; 8:137. [PMID: 31417673 PMCID: PMC6692939 DOI: 10.1186/s13756-019-0590-7] [Citation(s) in RCA: 167] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 07/31/2019] [Indexed: 02/03/2023] Open
Abstract
Background Antibiotic resistance (ABR) is one of the biggest threats to global health. Infections by ESKAPE (Enterococcus, S. aureus, K. pneumoniae, A. baumannii, P. aeruginosa, and E. coli) organisms are the leading cause of healthcare-acquired infections worldwide. ABR in ESKAPE organisms is usually associated with significant higher morbidity, mortality, as well as economic burden. Directing attention towards the ESKAPE organisms can help us to better combat the wide challenge of ABR, especially multi-drug resistance (MDR). Objective This study aims to systematically review and evaluate the evidence of the economic consequences of ABR or MDR ESKAPE organisms compared with susceptible cases or control patients without infection/colonization in order to determine the impact of ABR on economic burden. Methods Both English-language databases and Chinese-language databases up to 16 January, 2019 were searched to identify relevant studies assessing the economic burden of ABR. Studies reported hospital costs (charges) or antibiotic cost during the entire hospitalization and during the period before/after culture among patients with ABR or MDR ESKAPE organisms were included. The costs were converted into 2015 United States Dollars. Disagreements were resolved by a third reviewer. Results Of 13,693 studies identified, 83 eligible studies were included in our review. The most studied organism was S. aureus, followed by Enterococcus, A. baumannii, E. coli, E. coli or/and K. pneumoniae, P. aeruginosa, and K. pneumoniae. There were 71 studies on total hospital cost or charge, 12 on antibiotic cost, 11 on hospital cost or charge after culture, 4 on ICU cost, 2 on hospital cost or charge before culture, and 2 on total direct and indirect cost. In general, ABR or MDR ESKAPE organisms are significantly associated with higher economic burden than those with susceptible organisms or those without infection or colonization. Nonetheless, there were no differences in a few studies between the two groups on total hospital cost or charge (16 studies), antibiotic cost (one study), hospital cost before culture (one study), hospital cost after culture (one study). Even, one reported that costs associated with MSSA infection were higher than the costs for similar MRSA cases. Conclusions ABR in ESKAPE organisms is not always, but usually, associated with significantly higher economic burden. The results without significant differences may lack statistical power to detect a significant association. In addition, study design which controls for severity of illness and same empirical antibiotic therapy in the two groups would be expected to bias the study towards a similar, even negative result. The review also highlights key areas where further research is needed.
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Affiliation(s)
- Xuemei Zhen
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
- Global Health-Health Systems and Policy (HSP): Medicines, focusing antibiotics, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Cecilia Stålsby Lundborg
- Global Health-Health Systems and Policy (HSP): Medicines, focusing antibiotics, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Xueshan Sun
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
| | - Xiaoqian Hu
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
| | - Hengjin Dong
- Center for Health Policy Studies, School of Public Health, Zhejiang University School of Medicine, 866 Yuhangtang Road, Hangzhou, 310058 Zhejiang China
- The Fourth Affiliated Hospital Zhejiang University School of Medicine, No. N1, Shancheng Avenue, Yiwu City, Zhejiang China
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Prior antibiotic use and acquisition of multidrug-resistant organisms in hospitalized children: A systematic review. Infect Control Hosp Epidemiol 2019; 40:1107-1115. [DOI: 10.1017/ice.2019.215] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
AbstractObjective:Multidrug-resistant organisms (MDROs) cause ~5%–10% of infections in hospitalized children, leading to an increased risk of death, prolonged hospitalization, and additional costs. Antibiotic exposure is considered a driving factor of MDRO acquisition; however, consensus regarding the impact of antibiotic factors, especially in children, is lacking. We conducted a systematic review to examine the relationship between antibiotic use and subsequent healthcare-associated infection or colonization with an MDRO in children.Design:Systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) guideline.Methods:We searched PubMed and Embase for all English, peer-reviewed original research studies published before September 2018. Included studies evaluated hospitalized children, antibiotic use as an exposure, and bacterial MDRO as an outcome.Results:Of the 535 studies initially identified, 29 met the inclusion criteria. Overall, a positive association was identified in most studies evaluating a specific antibiotic exposure (17 of 21, 81%), duration of antibiotics (9 of 12, 75%), and number of antibiotics received (2 of 3, 67%). Those studies that evaluated any antibiotic exposure had mixed results (5 of 10, 50%). Study sites, populations, and definitions of antibiotic use and MDROs varied widely.Conclusions:Published studies evaluating this relationship are limited and are of mixed quality. Limitations include observation bias in recall of antibiotic exposure, variations in case definitions, and lack of evaluation of antibiotic dosing and appropriateness. Additional studies exploring the impact of antibiotic use and MDRO acquisition may be needed to develop effective antibiotic stewardship programs for hospitalized children.
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Willis A, Magdesian K, Byrne B, Edman J. Enterococcus infections in foals. Vet J 2019; 248:42-47. [DOI: 10.1016/j.tvjl.2019.04.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 04/03/2019] [Accepted: 04/04/2019] [Indexed: 11/28/2022]
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Nellore A, Huprikar S. Vancomycin-resistant Enterococcus in solid organ transplant recipients: Guidelines from the American Society of Transplantation Infectious Diseases Community of Practice. Clin Transplant 2019; 33:e13549. [PMID: 30913322 DOI: 10.1111/ctr.13549] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 03/19/2019] [Indexed: 12/19/2022]
Abstract
These updated guidelines from the Infectious Diseases Community of Practice of the American Society of Transplantation address vancomycin-resistant enterococci (VRE) infections in SOT candidates and recipients. VRE are an important cause of infection and have been named by the CDC as a serious public threat. Typically, a commensal of the gastrointestinal tract, VRE may become pathogenic after abdominal organ manipulation like transplantation. This guideline reviews the microbiology, antimicrobial resistance mechanisms, epidemiology, and clinical manifestations of VRE infection in the context of solid organ transplantation. Treatment regimens including combination therapies and novel investigational agents are also reviewed. Finally, an updated appraisal of infection control measures relevant to VRE infection and colonization is presented.
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Affiliation(s)
- Anoma Nellore
- Division of Infectious Diseases, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Shirish Huprikar
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
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Kampf G. Antibiotic ResistanceCan Be Enhanced in Gram-Positive Species by Some Biocidal Agents Used for Disinfection. Antibiotics (Basel) 2019; 8:antibiotics8010013. [PMID: 30717270 PMCID: PMC6466599 DOI: 10.3390/antibiotics8010013] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 01/29/2019] [Accepted: 02/01/2019] [Indexed: 12/25/2022] Open
Abstract
Some biocidal agents used for disinfection have been described to enhance antibiotic resistance in Gram-negative species. The aim of this review was therefore to evaluate the effect of 13 biocidal agents at sublethal concentrations on antibiotic resistance in Gram-positive species. A MEDLINE search was performed for each biocidal agent on antibiotic tolerance, antibiotic resistance, horizontal gene transfer, and efflux pump. Most data were reported with food-associated bacterial species. In cells adapted to benzalkonium chloride, a new resistance was most frequently found to ampicillin (seven species), cefotaxime and sulfamethoxazole (six species each), and ceftazidime (five species), some of them with relevance for healthcare-associated infections such as Enterococcus faecium and Enterococcus faecalis. With chlorhexidine, a new resistance was often found to imipenem (ten species) as well as cefotaxime, ceftazidime, and tetracycline (seven species each). Cross-resistance was also found with triclosan and ceftazidime (eight species), whereas it was very uncommon for didecyldimethylammonium chloride or hydrogen peroxide. No cross-resistance to antibiotics has been described after low level exposure to glutaraldehyde, ethanol, propanol, peracetic acid, octenidine, povidone iodine, sodium hypochlorite, and polyhexanide. Preference should be given to disinfectant formulations based on biocidal agents with a low or no selection pressure potential.
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Affiliation(s)
- Günter Kampf
- Institute for Hygiene and Environmental Medicine, University Medicine Greifswald, 17475 Greifswald, Germany.
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Gonzaludo N, Belmont JW, Gainullin VG, Taft RJ. Estimating the burden and economic impact of pediatric genetic disease. Genet Med 2018; 21:1781-1789. [PMID: 30568310 PMCID: PMC6752475 DOI: 10.1038/s41436-018-0398-5] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 11/29/2018] [Indexed: 12/13/2022] Open
Abstract
PURPOSE To identify the economic impact of pediatric patients with clinical indications of genetic disease (GD) on the US health-care system. METHODS Using the 2012 Kids' Inpatient Database, we identified pediatric inpatient discharges with International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes linked to genetic disease, including well-established genetic disorders, neurological diseases, birth defects, and other physiological or functional abnormalities with a genetic basis. Cohort characteristics and health-care utilization measures were analyzed. Discharges with a GD-associated primary diagnosis were used to estimate the minimum burden; discharges with GD-associated primary or secondary codes established the maximum burden. RESULTS Of 5.85 million weighted discharges, 2.6-14% included GD-associated ICD-9-CM codes. For these discharges, mean total costs were $16,000-77,000 higher (P < 0.0001) in neonates and $12,000-17,000 higher (P < 0.0001) in pediatric patients compared with background, corresponding to significantly higher total charges and lengths of stay. Aggregate total charges for suspected GD accounted for $14 to $57 billion (11-46%) of the "national bill" for pediatric patients in 2012. CONCLUSION Pediatric inpatients with diagnostic codes linked to genetic disease have a significant and disproportionate impact on resources and costs in the US health-care system.
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Affiliation(s)
- Nina Gonzaludo
- Illumina, Inc., 5200 Illumina Way, San Diego, 92122, CA, USA
| | - John W Belmont
- Illumina, Inc., 5200 Illumina Way, San Diego, 92122, CA, USA
| | | | - Ryan J Taft
- Illumina, Inc., 5200 Illumina Way, San Diego, 92122, CA, USA.
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Hygienemaßnahmen zur Prävention der Infektion durch Enterokokken mit speziellen Antibiotikaresistenzen. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2018; 61:1310-1361. [DOI: 10.1007/s00103-018-2811-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Update on prevalence and mechanisms of resistance to linezolid, tigecycline and daptomycin in enterococci in Europe: Towards a common nomenclature. Drug Resist Updat 2018; 40:25-39. [DOI: 10.1016/j.drup.2018.10.002] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 08/10/2018] [Accepted: 10/30/2018] [Indexed: 01/04/2023]
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Abstract
Antimicrobial resistance is a global public health threat and a danger that continues to escalate. These menacing bacteria are having an impact on all populations; however, until recently, the increasing trend in drug-resistant infections in infants and children has gone relatively unrecognized. This article highlights the current clinical and molecular data regarding infection with antibiotic-resistant bacteria in children, with an emphasis on transmissible resistance and spread via horizontal gene transfer.
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Affiliation(s)
- Rachel L Medernach
- Department of Pediatrics, Rush Medical College, Rush University Medical Center, 1710 W. Harrison Street, Suite 710 POB, Chicago, IL 60612, USA
| | - Latania K Logan
- Department of Pediatrics, Rush Medical College, Rush University Medical Center, 1710 W. Harrison Street, Suite 710 POB, Chicago, IL 60612, USA.
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Kampmeier S, Knaack D, Kossow A, Willems S, Schliemann C, Berdel WE, Kipp F, Mellmann A. Weekly screening supports terminating nosocomial transmissions of vancomycin-resistant enterococci on an oncologic ward - a retrospective analysis. Antimicrob Resist Infect Control 2017; 6:48. [PMID: 28515904 PMCID: PMC5434525 DOI: 10.1186/s13756-017-0206-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Accepted: 05/10/2017] [Indexed: 11/17/2022] Open
Abstract
Background To investigate the impact of weekly screening within the bundle of infection control measures to terminate vancomycin-resistant enterococci (VRE) transmissions on an oncologic ward. Methods A cluster of 12 VRE colonisation and five infections was detected on an oncologic ward between January and April 2015. Subsequently, the VRE point prevalence was detected and, as part of a the bundle of infection control strategies to terminate the VRE cluster, we isolated affected patients, performed hand hygiene training among staff on ward, increased observations by infection control specialists, intensified surface disinfection, used personal protective equipment and initiated an admission screening in May 2015. After a further nosocomial VRE infection in August 2015, a weekly screening strategy of all oncology patients on the respective ward was established while admission screening was continued. Whole genome sequencing (WGS)-based typing was applied to determine the clonal relationship of isolated strains. Results Initially, 12 of 29 patients were VRE colonised; of these 10 were hospital-acquired. During May to August, on average 7 of 40 patients were detected to be VRE colonised per week during the admission screening, showing no significant decline compared to the initial situation. WGS-based typing revealed five different clusters of which three were due to vanB- and two vanA-positive enterococci. After an additional weekly screening was established, the number of colonised patients significantly declined to 1/53 and no further nosocomial cases were detected. Conclusions Weekly screening helped to differentiate between nosocomial and community-acquired VRE cases resulting in earlier infection control strategies on epidemic situations for a successful termination of nosocomial VRE transmissions.
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Affiliation(s)
- Stefanie Kampmeier
- Institute of Hygiene, University Hospital Münster, Robert-Koch-Strasse 41, 48149 Münster, Germany
| | - Dennis Knaack
- Institute of Medical Microbiology, University Hospital Münster, Domagkstrasse 10, 48149 Münster, Germany
| | - Annelene Kossow
- Institute of Hygiene, University Hospital Münster, Robert-Koch-Strasse 41, 48149 Münster, Germany
| | - Stefanie Willems
- Institute of Hygiene, University Hospital Münster, Robert-Koch-Strasse 41, 48149 Münster, Germany.,Present address: Institute of Hygiene, DRK Kliniken Berlin, Drontheimer Str. 39-40, 13359 Berlin, Germany
| | - Christoph Schliemann
- Department of Medicine A, Haematology and Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Wolfgang E Berdel
- Department of Medicine A, Haematology and Oncology, University Hospital Münster, Albert-Schweitzer-Campus 1, 48149 Münster, Germany
| | - Frank Kipp
- Institute of Hygiene, University Hospital Münster, Robert-Koch-Strasse 41, 48149 Münster, Germany.,Present address: Institute of Hygiene, DRK Kliniken Berlin, Drontheimer Str. 39-40, 13359 Berlin, Germany
| | - Alexander Mellmann
- Institute of Hygiene, University Hospital Münster, Robert-Koch-Strasse 41, 48149 Münster, Germany
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Bacterial bloodstream infections in the allogeneic hematopoietic cell transplant patient: new considerations for a persistent nemesis. Bone Marrow Transplant 2017; 52:1091-1106. [PMID: 28346417 DOI: 10.1038/bmt.2017.14] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Revised: 12/20/2016] [Accepted: 01/12/2017] [Indexed: 12/14/2022]
Abstract
Bacterial bloodstream infections (BSI) cause significant transplant-related morbidity and mortality following allogeneic hematopoietic cell transplantation (allo-HCT). This manuscript reviews the risk factors for and the bacterial pathogens causing BSIs in allo-HCT recipients in the contemporary transplant period. In addition, it offers insight into emerging resistant pathogens and reviews clinical management considerations to treat and strategies to prevent BSIs in allo-HCT patients.
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Flokas ME, Karageorgos SA, Detsis M, Alevizakos M, Mylonakis E. Vancomycin-resistant enterococci colonisation, risk factors and risk for infection among hospitalised paediatric patients: a systematic review and meta-analysis. Int J Antimicrob Agents 2017; 49:565-572. [PMID: 28336313 DOI: 10.1016/j.ijantimicag.2017.01.008] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 12/20/2016] [Accepted: 01/06/2017] [Indexed: 10/19/2022]
Abstract
The objective of this study was to estimate the rate and significance of colonisation with vancomycin-resistant enterococci (VRE) among hospitalised children. The PubMed and EMBASE databases were systematically searched (last accessed on 29 May 2016) to identify studies evaluating VRE colonisation of the gastrointestinal tract of hospitalised children in non-outbreak periods. Of 945 non-duplicate citations, 19 studies enrolling 20 234 children were included. The overall and paediatric intensive care unit (PICU) rate of VRE colonisation were both 5% [95% confidence interval (CI) 3-8% overall and 95% CI 2-9% in the PICU] but was 23% in haematology/oncology units (95% CI 18-29%). Studies that were exclusively performed in haematology/oncology units reported significantly higher rates compared with all other studies in the univariate and multivariate analyses (P = 0.001). Previous vancomycin [risk ratio (RR) = 4.34, 95% CI 2.77-6.82] or ceftazidime (RR = 4.15, 95% CI 2.69-6.40) use was a risk factor for VRE colonisation. Importantly, VRE colonisation increased the risk of subsequent VRE infection (RR = 8.75, 95% CI 3.19-23.97). In conclusion, a high rate of VRE colonisation was found among hospitalised children in institutions that performed targeted screening. Importantly, colonised children were almost 9 times more likely to develop subsequent VRE infection. Judicious use of specific antibiotics along with intensification of infection control measures should be considered in high-prevalence institutions. Also, the high incidence of VRE colonisation among children with haematological/oncological diseases identifies a high-risk population.
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Affiliation(s)
- Myrto Eleni Flokas
- Infectious Diseases Division, Warren Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI, USA
| | - Spyridon A Karageorgos
- Infectious Diseases Division, Warren Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI, USA
| | - Marios Detsis
- Infectious Diseases Division, Warren Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI, USA
| | - Michail Alevizakos
- Infectious Diseases Division, Warren Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI, USA
| | - Eleftherios Mylonakis
- Infectious Diseases Division, Warren Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI, USA.
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