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Jackson HR, Miglietta L, Habgood-Coote D, D’Souza G, Shah P, Nichols S, Vito O, Powell O, Davidson MS, Shimizu C, Agyeman PKA, Beudeker CR, Brengel-Pesce K, Carrol ED, Carter MJ, De T, Eleftheriou I, Emonts M, Epalza C, Georgiou P, De Groot R, Fidler K, Fink C, van Keulen D, Kuijpers T, Moll H, Papatheodorou I, Paulus S, Pokorn M, Pollard AJ, Rivero-Calle I, Rojo P, Secka F, Schlapbach LJ, Tremoulet AH, Tsolia M, Usuf E, Van Der Flier M, Von Both U, Vermont C, Yeung S, Zavadska D, Zenz W, Coin LJM, Cunnington A, Burns JC, Wright V, Martinon-Torres F, Herberg JA, Rodriguez-Manzano J, Kaforou M, Levin M. Diagnosis of Multisystem Inflammatory Syndrome in Children by a Whole-Blood Transcriptional Signature. J Pediatric Infect Dis Soc 2023; 12:322-331. [PMID: 37255317 PMCID: PMC10312302 DOI: 10.1093/jpids/piad035] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 05/30/2023] [Indexed: 06/01/2023]
Abstract
BACKGROUND To identify a diagnostic blood transcriptomic signature that distinguishes multisystem inflammatory syndrome in children (MIS-C) from Kawasaki disease (KD), bacterial infections, and viral infections. METHODS Children presenting with MIS-C to participating hospitals in the United Kingdom and the European Union between April 2020 and April 2021 were prospectively recruited. Whole-blood RNA Sequencing was performed, contrasting the transcriptomes of children with MIS-C (n = 38) to those from children with KD (n = 136), definite bacterial (DB; n = 188) and viral infections (DV; n = 138). Genes significantly differentially expressed (SDE) between MIS-C and comparator groups were identified. Feature selection was used to identify genes that optimally distinguish MIS-C from other diseases, which were subsequently translated into RT-qPCR assays and evaluated in an independent validation set comprising MIS-C (n = 37), KD (n = 19), DB (n = 56), DV (n = 43), and COVID-19 (n = 39). RESULTS In the discovery set, 5696 genes were SDE between MIS-C and combined comparator disease groups. Five genes were identified as potential MIS-C diagnostic biomarkers (HSPBAP1, VPS37C, TGFB1, MX2, and TRBV11-2), achieving an AUC of 96.8% (95% CI: 94.6%-98.9%) in the discovery set, and were translated into RT-qPCR assays. The RT-qPCR 5-gene signature achieved an AUC of 93.2% (95% CI: 88.3%-97.7%) in the independent validation set when distinguishing MIS-C from KD, DB, and DV. CONCLUSIONS MIS-C can be distinguished from KD, DB, and DV groups using a 5-gene blood RNA expression signature. The small number of genes in the signature and good performance in both discovery and validation sets should enable the development of a diagnostic test for MIS-C.
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Affiliation(s)
- Heather R Jackson
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Luca Miglietta
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
| | - Dominic Habgood-Coote
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Giselle D’Souza
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Priyen Shah
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Samuel Nichols
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Ortensia Vito
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Oliver Powell
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Maisey Salina Davidson
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Chisato Shimizu
- Department of Pediatrics, Rady Children’s Hospital and University of California San Diego, La Jolla, California, USA
| | - Philipp K A Agyeman
- Department of Pediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Coco R Beudeker
- Department of Paediatric Infectious Diseases and Immunology, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Karen Brengel-Pesce
- Joint Research Unit Hospices Civils de Lyon-bioMérieux, Lyon Sud Hospital, Pierre-Bénite, France
| | - Enitan D Carrol
- Department of Clinical Infection Microbiology and Immunology, University of Liverpool Institute of Infection, Veterinary and Ecological Sciences, Liverpool, UK
| | - Michael J Carter
- Paediatric Intensive Care, Evelina London Children’s Hospital, Guy’s and St Thomas’ NHS Foundation Trust, London, UK
- Department of Women and Children’s Health, School of Life Course Sciences, King’s College London, St Thomas’ Hospital, London, UK
| | - Tisham De
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Irini Eleftheriou
- Second Department of Paediatrics, National and Kapodistrian University of Athens (NKUA), School of Medicine, P. and A. Kyriakou Children’s Hospital, Athens, Greece
| | - Marieke Emonts
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Paediatric Infectious Diseases and Immunology Department, Newcastle upon Tyne Hospitals Foundation Trust, Great North Children’s Hospital, Newcastle upon Tyne, UK
- NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne Hospitals NHS Trust and Newcastle University, Newcastle upon Tyne, UK
| | - Cristina Epalza
- Pediatric Infectious Diseases Unit, Pediatric Department, Hospital Doce de Octubre, Madrid, Spain
| | - Pantelis Georgiou
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Imperial College London, London, UK
| | - Ronald De Groot
- Department of Pediatrics, Division of Pediatric Infectious Diseases and Immunology and Laboratory of Infectious Diseases, Radboud Institute of Molecular Life Sciences, Radboudumc, Nijmegen, The Netherlands
| | - Katy Fidler
- Academic Department of Paediatrics, Royal Alexandra Children’s Hospital, University Hospitals Sussex, Brighton, UK
| | - Colin Fink
- Micropathology Ltd., University of Warwick, Warwick, UK
| | | | - Taco Kuijpers
- Department of Pediatric Immunology, Rheumatology, and Infectious Diseases, Emma Children’s Hospital, Amsterdam University Medical Centre, Amsterdam, The Netherlands
- Sanquin Research, Department of Blood Cell Research, and Landsteiner Laboratory, Amsterdam University Medical Centre, Amsterdam, The Netherlands
| | - Henriette Moll
- Department of Pediatrics, Erasmus MC Sophia Children’s Hospital, Rotterdam, The Netherlands
| | - Irene Papatheodorou
- Gene Expression Team, European Molecular Biology Laboratory, EMBL-European Bioinformatics Institute (EMBL-EBI), Hinxton, Cambridge, UK
| | - Stephane Paulus
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, UK
| | - Marko Pokorn
- Division of Pediatrics, University Medical Centre Ljubljana and Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Andrew J Pollard
- Oxford Vaccine Group, Department of Paediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, UK
| | - Irene Rivero-Calle
- Pediatrics Department, Translational Pediatrics and Infectious Diseases Section, Santiago de Compostela, Spain
- Genetics–Vaccines–Infectious Diseases and Pediatrics Research Group GENVIP, Instituto de Investigación Sanitaria de Santiago (IDIS), Universidade de Santiago de Compostela (USC), Santiago de Compostela, Spain
- Unidade de Xenética, Departamento de Anatomía Patolóxica e Ciencias Forenses, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Galicia, Spain
- GenPoB Research Group, Instituto de Investigaciones Sanitarias (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Galicia, Spain
| | - Pablo Rojo
- Pediatric Infectious Diseases Unit, Pediatric Department, Hospital Doce de Octubre, Madrid, Spain
| | - Fatou Secka
- Medical Research Council Unit, The Gambia at the London School of Hygiene and Tropical Medicine, Banjul, Gambia
| | - Luregn J Schlapbach
- Department of Intensive Care and Neonatology, and Children’s Research Center, University Children`s Hospital Zurich, Zurich, Switzerland
- Child Health Research Centre, The University of Queensland, Brisbane, Queensland, Australia
| | - Adriana H Tremoulet
- Department of Pediatrics, Rady Children’s Hospital and University of California San Diego, La Jolla, California, USA
| | - Maria Tsolia
- Second Department of Paediatrics, National and Kapodistrian University of Athens (NKUA), School of Medicine, P. and A. Kyriakou Children’s Hospital, Athens, Greece
| | - Effua Usuf
- Medical Research Council Unit, The Gambia at the London School of Hygiene and Tropical Medicine, Banjul, Gambia
| | - Michiel Van Der Flier
- Department of Paediatric Infectious Diseases and Immunology, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - Ulrich Von Both
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Dr von Hauner Children’s Hospital, University Hospital, LMU Munich, Munich, Germany
| | - Clementien Vermont
- Department of Paediatric Infectious Diseases and Immunology, Erasmus MC Sophia Children’s Hospital, Rotterdam, The Netherlands
| | - Shunmay Yeung
- Clinical Research Department, Faculty of Infectious and Tropical Disease, London School of Hygiene and Tropical Medicine, London, UK
| | - Dace Zavadska
- Department of Pediatrics, Children’s Clinical University Hospital, Rīga, Latvia
| | - Werner Zenz
- Department of General Paediatrics, University Clinic of Paediatrics and Adolescent Medicine, Medical University Graz, Austria
| | - Lachlan J M Coin
- Department of Microbiology and Immunology, University of Melbourne at The Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
| | - Aubrey Cunnington
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Jane C Burns
- Department of Pediatrics, Rady Children’s Hospital and University of California San Diego, La Jolla, California, USA
| | - Victoria Wright
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Federico Martinon-Torres
- Pediatrics Department, Translational Pediatrics and Infectious Diseases Section, Santiago de Compostela, Spain
- Genetics–Vaccines–Infectious Diseases and Pediatrics Research Group GENVIP, Instituto de Investigación Sanitaria de Santiago (IDIS), Universidade de Santiago de Compostela (USC), Santiago de Compostela, Spain
- Unidade de Xenética, Departamento de Anatomía Patolóxica e Ciencias Forenses, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Galicia, Spain
- GenPoB Research Group, Instituto de Investigaciones Sanitarias (IDIS), Hospital Clínico Universitario de Santiago (SERGAS), Galicia, Spain
| | - Jethro A Herberg
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | | | - Myrsini Kaforou
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
| | - Michael Levin
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
- Centre for Paediatrics and Child Health, Imperial College London, London, SW7 2AZ, UK
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Kumar V, Pouw RB, Autio MI, Sagmeister MG, Phua ZY, Borghini L, Wright VJ, Hoggart C, Pan B, Tan AKY, Binder A, Brouwer MC, Pinnock E, De Groot R, Hazelzet J, Emonts M, Van Der Flier M, Reiter K, Nöthen MM, Hoffmann P, Schlapbach LJ, Bellos E, Anderson S, Secka F, Martinón-Torres F, Salas A, Fink C, Carrol ED, Pollard AJ, Coin LJ, Zenz W, Wouters D, Ang LT, Hibberd ML, Levin M, Kuijpers TW, Davila S. Variation in CFHR3 determines susceptibility to meningococcal disease by controlling factor H concentrations. Am J Hum Genet 2022; 109:1680-1691. [PMID: 36007525 PMCID: PMC9502058 DOI: 10.1016/j.ajhg.2022.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 07/31/2022] [Indexed: 11/16/2022] Open
Abstract
Neisseria meningitidis protects itself from complement-mediated killing by binding complement factor H (FH). Previous studies associated susceptibility to meningococcal disease (MD) with variation in CFH, but the causal variants and underlying mechanism remained unknown. Here we attempted to define the association more accurately by sequencing the CFH-CFHR locus and imputing missing genotypes in previously obtained GWAS datasets of MD-affected individuals of European ancestry and matched controls. We identified a CFHR3 SNP that provides protection from MD (rs75703017, p value = 1.1 × 10-16) by decreasing the concentration of FH in the blood (p value = 1.4 × 10-11). We subsequently used dual-luciferase studies and CRISPR gene editing to establish that deletion of rs75703017 increased FH expression in hepatocyte by preventing promotor inhibition. Our data suggest that reduced concentrations of FH in the blood confer protection from MD; with reduced access to FH, N. meningitidis is less able to shield itself from complement-mediated killing.
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Affiliation(s)
- Vikrant Kumar
- Human Genetics, Genome Institute of Singapore, Singapore, Singapore; Duke-National University of Singapore Medical School, Singapore, Singapore
| | - Richard B Pouw
- Division of Pediatric Immunology, Rheumatology, and Infectious Diseases, Emma Children's Hospital, Amsterdam University Medical Centre, Amsterdam, the Netherlands; Department of Immunopathology, Sanquin Research, Amsterdam, the Netherlands; Landsteiner Laboratory, Amsterdam University Medical Centre, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | - Matias I Autio
- Human Genetics, Genome Institute of Singapore, Singapore, Singapore; Cardiovascular Research Institute, Centre for Translational Medicine, National University Health System, Singapore
| | | | - Zai Yang Phua
- Human Genetics, Genome Institute of Singapore, Singapore, Singapore
| | - Lisa Borghini
- Human Genetics, Genome Institute of Singapore, Singapore, Singapore; Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; GenPoB Research Group, Instituto de Investigación Sanitaria de Santiago, Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain
| | - Victoria J Wright
- Section of Paediatric Infectious Disease, Division of Infectious Disease, Department of Medicine, Imperial College London, London, UK
| | - Clive Hoggart
- Section of Paediatric Infectious Disease, Division of Infectious Disease, Department of Medicine, Imperial College London, London, UK
| | - Bangfen Pan
- Human Genetics, Genome Institute of Singapore, Singapore, Singapore; Cardiovascular Research Institute, Centre for Translational Medicine, National University Health System, Singapore
| | - Antson Kiat Yee Tan
- Cancer Stem Cell Biology, Genome Institute of Singapore, Singapore, Singapore
| | - Alexander Binder
- Department of General Paediatrics, Medical University of Graz, Graz, Austria
| | - Mieke C Brouwer
- Department of Immunopathology, Sanquin Research, Amsterdam, the Netherlands; Landsteiner Laboratory, Amsterdam University Medical Centre, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | | | - Ronald De Groot
- Section of Pediatric Infectious Diseases, Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Jan Hazelzet
- Department of Pediatrics, Erasmus Medical Center-Sophia Children's Hospital, University Medical Center, Rotterdam, the Netherlands
| | - Marieke Emonts
- Translational and Clinical Research Institute, Newcastle University, Newcastle Upon Tyne, UK; National Institute for Health and Care Research Newcastle Biomedical Research Centre Based at Newcastle Upon Tyne Hospitals National Health Service Trust and Newcastle University, Newcastle Upon Tyne, UK; Paediatric Infectious Diseases and Immunology Department, Newcastle Upon Tyne Hospitals Foundation Trust, Great North Children's Hospital, Newcastle Upon Tyne, UK
| | - Michiel Van Der Flier
- Section of Pediatric Infectious Diseases, Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, The Netherlands; Paediatric Infectious Diseases and Immunology, Wilhelmina Children's Hospital University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Karl Reiter
- Department of Paediatrics, Division of Paediatric Intensive Care Medicine, Ludwig Maximilian University of Munich and Dr. von Hauner's Children's Hospital, Munich, Germany
| | - Markus M Nöthen
- Institute of Human Genetics, University of Bonn, Bonn, Germany
| | - Per Hoffmann
- Institute of Human Genetics, University of Bonn, Bonn, Germany
| | | | - Luregn J Schlapbach
- Child Health Research Centre, The University of Queensland, Brisbane, Australia; Paediatric Intensive Care Unit, Queensland Children's Hospital, Brisbane, Australia; Department of Intensive Care and Neonatology and Children`s Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Evangelos Bellos
- Section of Paediatric Infectious Disease, Division of Infectious Disease, Department of Medicine, Imperial College London, London, UK
| | | | - Fatou Secka
- Medical Research Council Unit Gambia, Banjul, The Gambia
| | - Federico Martinón-Torres
- Translational Pediatrics and Infectious Diseases, Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain; Genetics, Vaccines, Infectious Diseases, and Pediatrics Research Group, Instituto de Investigación Sanitaria de Santiago, Universidad de Santiago de Compostela, Santiago de Compostela, Spain; Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Antonio Salas
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain; Unidade de Xenética, Instituto de Ciencias Forenses, Facultade de Medicina, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; GenPoB Research Group, Instituto de Investigación Sanitaria de Santiago, Hospital Clínico Universitario de Santiago, Santiago de Compostela, Spain
| | - Colin Fink
- Micropathology, University of Warwick, Coventry, UK
| | - Enitan D Carrol
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, UK
| | - Andrew J Pollard
- Oxford Vaccine Group, Department of Pediatrics, University of Oxford and the NIHR Oxford Biomedical Research Centre, Oxford, UK
| | - Lachlan J Coin
- Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, VIC, Australia
| | - Werner Zenz
- Department of General Paediatrics, Medical University of Graz, Graz, Austria
| | - Diana Wouters
- Department of Immunopathology, Sanquin Research, Amsterdam, the Netherlands; Landsteiner Laboratory, Amsterdam University Medical Centre, Amsterdam Infection and Immunity Institute, Amsterdam, the Netherlands
| | - Lay Teng Ang
- Cancer Stem Cell Biology, Genome Institute of Singapore, Singapore, Singapore
| | - Martin L Hibberd
- Infectious Diseases, Genome Institute of Singapore, Singapore, Singapore; Infectious and Tropical Disease, London School of Hygiene & Tropical Medicine, London, UK
| | - Michael Levin
- Section of Paediatric Infectious Disease, Division of Infectious Disease, Department of Medicine, Imperial College London, London, UK
| | - Taco W Kuijpers
- Division of Pediatric Immunology, Rheumatology, and Infectious Diseases, Emma Children's Hospital, Amsterdam University Medical Centre, Amsterdam, the Netherlands.
| | - Sonia Davila
- Human Genetics, Genome Institute of Singapore, Singapore, Singapore; Duke-National University of Singapore Medical School, Singapore, Singapore; SingHealth Duke-NUS Institute of Precision Medicine, Singapore, Singapore.
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3
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Hagedoorn NN, Wagenaar JHL, Nieboer D, Bath D, Von Both U, Carrol ED, Eleftheriou I, Emonts M, Van Der Flier M, De Groot R, Herberg J, Kohlmaier B, Levin M, Lim E, Maconochie I, Martinon-Torres F, Nijman R, Pokorn M, Rivero Calle I, Tsolia M, Yeung S, Zavadska D, Zenz W, Vermont CL, Oostenbrink R, Moll HA. Impact of a clinical decision rule on antibiotic prescription for children with suspected lower respiratory tract infections presenting to European emergency departments: a simulation study based on routine data. J Antimicrob Chemother 2021; 76:1349-1357. [PMID: 33564871 DOI: 10.1093/jac/dkab023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 01/11/2021] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Discriminating viral from bacterial lower respiratory tract infections (LRTIs) in children is challenging thus commonly resulting in antibiotic overuse. The Feverkidstool, a validated clinical decision rule including clinical symptoms and C-reactive protein, safely reduced antibiotic use in children at low/intermediate risk for bacterial LRTIs in a multicentre trial at emergency departments (EDs) in the Netherlands. OBJECTIVES Using routine data from an observational study, we simulated the impact of the Feverkidstool on antibiotic prescriptions compared with observed antibiotic prescriptions in children with suspected LRTIs at 12 EDs in eight European countries. METHODS We selected febrile children aged 1 month to 5 years with respiratory symptoms and excluded upper respiratory tract infections. Using the Feverkidstool, we calculated individual risks for bacterial LRTI retrospectively. We simulated antibiotic prescription rates under different scenarios: (1) applying effect estimates on antibiotic prescription from the trial; and (2) varying both usage (50%-100%) and compliance (70%-100%) with the Feverkidstool's advice to withhold antibiotics in children at low/intermediate risk for bacterial LRTI (≤10%). RESULTS Of 4938 children, 4209 (85.2%) were at low/intermediate risk for bacterial LRTI. Applying effect estimates from the trial, the Feverkidstool reduced antibiotic prescription from 33.5% to 24.1% [pooled risk difference: 9.4% (95% CI: 5.7%-13.1%)]. Simulating 50%-100% usage with 90% compliance resulted in risk differences ranging from 8.3% to 15.8%. Our simulations suggest that antibiotic prescriptions would be reduced in EDs with high baseline antibiotic prescription rates or predominantly (>85%) low/intermediate-risk children. CONCLUSIONS Implementation of the Feverkidstool could reduce antibiotic prescriptions in children with suspected LRTIs in European EDs.
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Affiliation(s)
- Nienke N Hagedoorn
- Department of General Paediatrics, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Josephine H L Wagenaar
- Department of General Paediatrics, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Daan Nieboer
- Department of Public Health, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - David Bath
- Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, London, UK
| | - Ulrich Von Both
- Division of Paediatric Infectious Diseases, Dr. von Hauner Children's Hospital, University Hospital, Ludwig-Maximilians-University, Munich, Germany.,Partner site Munich, German Center for Infection Research (DZIF), Germany
| | - Enitan D Carrol
- Institute of Infection, Veterinary and Ecological Sciences Global Health Liverpool, University of Liverpool, UK.,Alder Hey Children's NHS Foundation Trust, Liverpool, UK.,Liverpool Health Partners, Liverpool, UK
| | - Irini Eleftheriou
- Second Department of Paediatrics, National and Kapodistrian University of Athens, P. & A. Kyriakou Children's Hospital, Athens, Greece
| | - Marieke Emonts
- Paediatric Immunology, Infectious Diseases & Allergy, Great North Children's Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.,Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.,NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust and Newcastle University, Newcastle upon Tyne, UK
| | - Michiel Van Der Flier
- Paediatric Infectious Diseases and Immunology, Amalia Children's Hospital, Radboud University Medical Center, Nijmegen, The Netherlands.,Section Paediatric Infectious Diseases, Laboratory of Medical Immunology, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands.,Paediatric Infectious Diseases and Immunology, Wilhelmina Children's Hospital, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Ronald De Groot
- Paediatric Infectious Diseases and Immunology, Amalia Children's Hospital, Radboud University Medical Center, Nijmegen, The Netherlands.,Section Paediatric Infectious Diseases, Laboratory of Medical Immunology, Radboud Institute for Molecular Life Sciences, Nijmegen, The Netherlands
| | - Jethro Herberg
- Section of Paediatric Infectious Diseases, Imperial College London, London, UK
| | - Benno Kohlmaier
- Department of General Paediatrics, Medical University of Graz, Graz, Austria
| | - Michael Levin
- Section of Paediatric Infectious Diseases, Imperial College London, London, UK
| | - Emma Lim
- Paediatric Immunology, Infectious Diseases & Allergy, Great North Children's Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.,Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.,NIHR Newcastle Biomedical Research Centre, Newcastle upon Tyne Hospitals NHS Foundation Trust and Newcastle University, Newcastle upon Tyne, UK
| | - Ian Maconochie
- Paediatric Emergency Medicine, Imperial College Healthcare NHS Trust, London, UK
| | - Federico Martinon-Torres
- Genetics, Vaccines, Infections and Paediatrics Research Group (GENVIP), Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain
| | - Ruud Nijman
- Section of Paediatric Infectious Diseases, Imperial College London, London, UK
| | - Marko Pokorn
- Department of Infectious Diseases, University Medical Centre Ljubljana, University of Ljubljana, Ljubljana, Slovenia
| | - Irene Rivero Calle
- Genetics, Vaccines, Infections and Paediatrics Research Group (GENVIP), Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain
| | - Maria Tsolia
- Second Department of Paediatrics, National and Kapodistrian University of Athens, P. & A. Kyriakou Children's Hospital, Athens, Greece
| | - Shunmay Yeung
- Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, London, UK.,Faculty of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK
| | - Dace Zavadska
- Department of Paediatrics, Children's Clinical University Hospital, Rīgas Stradiņa universitāte, Riga, Latvia
| | - Werner Zenz
- Department of General Paediatrics, Medical University of Graz, Graz, Austria
| | - Clementien L Vermont
- Department of Paediatric Infectious diseases and Immunology, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Rianne Oostenbrink
- Department of General Paediatrics, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Henriëtte A Moll
- Department of General Paediatrics, Erasmus MC-Sophia Children's Hospital, Rotterdam, The Netherlands
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