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Cheng J, Li Q, Zhang G, Xu H, Li Y, Tian X, Chen D, Luo Z. Time to appropriate antimicrobial therapy serves an independent prognostic indicator in children with nosocomial Klebsiella pneumoniae bloodstream infection. BMC Pediatr 2022; 22:568. [PMID: 36192715 PMCID: PMC9531447 DOI: 10.1186/s12887-022-03622-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 09/20/2022] [Indexed: 02/08/2023] Open
Abstract
We tend to investigate the connection between time to appropriate therapy (TTAT) and prognosis in pediatric patients with nosocomial Klebsiella pneumoniae (K. pneumoniae) bloodstream infection, and find the optimal cutoff point for the empirical administration of antimicrobials. This retrospective study was conducted in Children's Hospital of Chongqing Medical University, and inpatients with nosocomial K. pneumoniae bloodstream infection were finally enrolled. We applied the Classification and Regression Tree (CART) analysis to find the TTAT cutoff point and the Logistic Regression analysis to evaluate prognostic indicators. The incidence of septic shock and mortality was 17.91% (12/67) and 13.43% (9/67), respectively. The CART-derived TTAT cutoff point was 10.7 h. The multivariate logistic regression analysis indicated delayed therapy (TTAT ≥ 10.7 h), pediatric risk of mortality (PRISM) III scores ≥ 10, time to positivity (TTP) ≤ 13 h, and requiring for invasive mechanical ventilation were independently associated with the incidence of septic shock (Odds ratio [OR] 9.87, 95% Confidence interval [CI] 1.46-66.59, P = 0.019; OR 9.69, 95% CI 1.15-81.39, P = 0.036; OR 8.28, 95% CI 1.37-50.10, P = 0.021; OR 6.52, 95% CI 1.08-39.51, P = 0.042; respectively) and in-hospital mortality (OR 22.19, 95% CI 1.25-393.94, P = 0.035; OR 40.06, 95% CI 2.32-691.35, P = 0.011; OR 22.60, 95% CI 1.78-287.27, P = 0.016; OR 12.21, 95% CI 1.06-140.67, P = 0.045; respectively).Conclusions: TTAT is an independent predictor of poor outcomes in children with nosocomial K. pneumoniae bloodstream infection. Initial appropriate antimicrobial therapy should be administrated timely and within 10.7 h from the onset of bloodstream infection is recommended.
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Affiliation(s)
- Jie Cheng
- Department of Emergency, Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorder, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, 401122, China
| | - Qinyuan Li
- Department of Respiratory Medicine, Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorder, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, 401122, China
| | - Guangli Zhang
- Department of Respiratory Medicine, Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorder, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, 401122, China
| | - Huiting Xu
- Department of Respiratory Medicine, Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorder, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, 401122, China
| | - Yuanyuan Li
- Department of Respiratory Medicine, Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorder, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, 401122, China
| | - Xiaoyin Tian
- Department of Respiratory Medicine, Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorder, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, 401122, China
| | - Dapeng Chen
- Department of Clinical Laboratory Center, Children's Hospital of Chongqing Medical University, Chongqing, 401122, China
| | - Zhengxiu Luo
- Department of Respiratory Medicine, Children's Hospital of Chongqing Medical University, Chongqing Key Laboratory of Pediatrics, National Clinical Research Center for Child Health and Disorder, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing, 401122, China.
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Zhao G, Straub RH, Meyer-Hermann M. The transition between acute and chronic infections in light of energy control: a mathematical model of energy flow in response to infection. J R Soc Interface 2022; 19:20220206. [PMID: 35730176 PMCID: PMC9214282 DOI: 10.1098/rsif.2022.0206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Accepted: 05/19/2022] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Different parts of an organism like the gut, endocrine, nervous and immune systems constantly exchange information. Understanding the pathogenesis of various systemic chronic diseases increasingly relies on understanding how these subsystems orchestrate their activities. METHODS We started from the working hypothesis that energy is a fundamental quantity that governs activity levels of all subsystems and that interactions between subsystems control the distribution of energy according to acute needs. Based on physiological knowledge, we constructed a mathematical model for the energy flow between subsystems and analysed the resulting organismal responses to in silico infections. RESULTS The model reproduces common behaviour in acute infections and suggests several host parameters that modulate infection duration and therapeutic responsiveness. Moreover, the model allows the formulation of conditions for the induction of chronic infections and predicts that alterations in energy released from fat can lead to the transition from clearance of acute infections to a chronic inflammatory state. IMPACT These results suggest a fundamental role for brain and fat in controlling immune response through systemic energy control. In particular, it suggests that lipolysis resistance, which is known to be involved in obesity and ageing, might be a survival programme for coping with chronic infections.
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Affiliation(s)
- Gang Zhao
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Rebenring 56, 38106 Braunschweig, Germany
| | - Rainer H. Straub
- Laboratory of Experimental Rheumatology and Neuroendocrine Immunology, Department of Internal Medicine, University Hospital Regensburg, 93042 Regensburg, Germany
| | - Michael Meyer-Hermann
- Department of Systems Immunology and Braunschweig Integrated Centre of Systems Biology, Helmholtz Centre for Infection Research, Rebenring 56, 38106 Braunschweig, Germany
- Institute for Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Braunschweig, Germany
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Guo F, Kang L, Xu M. The application value of metagenomic next-generation sequencing in children with invasive pneumococcal disease. Transl Pediatr 2021; 10:3282-3290. [PMID: 35070842 PMCID: PMC8753463 DOI: 10.21037/tp-21-533] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/15/2021] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND A retrospective analysis was conducted to explore the sensitivity and specificity of metagenomic next-generation sequencing (mNGS) in blood, cerebrospinal fluid, and pleural effusion samples in children with invasive pneumococcal disease (IPD), and the impact of detection timing on prognosis and cost. METHODS Children with IPD admitted to Hebei Children's Hospital from 1 January 2017 to 1 March 2021 were allocated to 1 of 3 groups according to the clinical symptoms and lesions (Group 1: bacteremia; Group 2: meningitis; Group 3: pleurisy). Taking Alere BinaxNow® Streptococcus pneumoniae (S. pneumoniae) antigen detection and blood culture as the gold standard, receiver operating characteristic (ROC) was used to establish the diagnostic value of mNGS. RESULTS A total of 96 cases were enrolled in the study, comprising Group 1 (n=65), Group 2 (n=17), and Group 3 (n=14). The positive rate of mNGS test was 62.5% (n=60), and the total coincidence rate was 75.0%. Delayed mNGS was found to have no significant effect on the 30-day survival rate; however, the species-specific read number (SSRN) of S. pneumoniae detected by mNGS in the early stage of the disease was higher, and it could significantly reduce the hospitalization days and costs (P<0.05). CONCLUSIONS The sensitivity and specificity of mNGS are high in the identification of S. pneumoniae in blood, cerebrospinal fluid, and pleural effusion samples, and the SSRN of S. pneumoniae is related to the interval from onset to sample collection. Early mNGS detection has no significant effect on the 30-day survival rate among children with IPD, but it can reduce hospitalization costs and duration.
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Affiliation(s)
- Fang Guo
- Department of Infection, Hebei Children's Hospital, Affiliated to Hebei Medical University, Shijiazhuang, China
| | - Lei Kang
- Department of Pediatric Intensive Care Unit, Hebei Children's Hospital, Affiliated to Hebei Medical University, Shijiazhuang, China
| | - Meixian Xu
- Department of Pediatric Intensive Care Unit, Hebei Children's Hospital, Affiliated to Hebei Medical University, Shijiazhuang, China
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Van de Voorde P, Turner NM, Djakow J, de Lucas N, Martinez-Mejias A, Biarent D, Bingham R, Brissaud O, Hoffmann F, Johannesdottir GB, Lauritsen T, Maconochie I. [Paediatric Life Support]. Notf Rett Med 2021; 24:650-719. [PMID: 34093080 PMCID: PMC8170638 DOI: 10.1007/s10049-021-00887-9] [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] [Accepted: 04/19/2021] [Indexed: 12/11/2022]
Abstract
The European Resuscitation Council (ERC) Paediatric Life Support (PLS) guidelines are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations of the International Liaison Committee on Resuscitation (ILCOR). This section provides guidelines on the management of critically ill or injured infants, children and adolescents before, during and after respiratory/cardiac arrest.
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Affiliation(s)
- Patrick Van de Voorde
- Department of Emergency Medicine, Faculty of Medicine UG, Ghent University Hospital, Gent, Belgien
- Federal Department of Health, EMS Dispatch Center, East & West Flanders, Brüssel, Belgien
| | - Nigel M. Turner
- Paediatric Cardiac Anesthesiology, Wilhelmina Children’s Hospital, University Medical Center, Utrecht, Niederlande
| | - Jana Djakow
- Paediatric Intensive Care Unit, NH Hospital, Hořovice, Tschechien
- Paediatric Anaesthesiology and Intensive Care Medicine, University Hospital Brno, Medical Faculty of Masaryk University, Brno, Tschechien
| | | | - Abel Martinez-Mejias
- Department of Paediatrics and Emergency Medicine, Hospital de Terassa, Consorci Sanitari de Terrassa, Barcelona, Spanien
| | - Dominique Biarent
- Paediatric Intensive Care & Emergency Department, Hôpital Universitaire des Enfants, Université Libre de Bruxelles, Brüssel, Belgien
| | - Robert Bingham
- Hon. Consultant Paediatric Anaesthetist, Great Ormond Street Hospital for Children, London, Großbritannien
| | - Olivier Brissaud
- Réanimation et Surveillance Continue Pédiatriques et Néonatales, CHU Pellegrin – Hôpital des Enfants de Bordeaux, Université de Bordeaux, Bordeaux, Frankreich
| | - Florian Hoffmann
- Pädiatrische Intensiv- und Notfallmedizin, Kinderklinik und Kinderpoliklinik im Dr. von Haunerschen Kinderspital, Ludwig-Maximilians-Universität, München, Deutschland
| | | | - Torsten Lauritsen
- Paediatric Anaesthesia, The Juliane Marie Centre, University Hospital of Copenhagen, Kopenhagen, Dänemark
| | - Ian Maconochie
- Paediatric Emergency Medicine, Faculty of Medicine Imperial College, Imperial College Healthcare Trust NHS, London, Großbritannien
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Zhang H, Gao P, Wang Y, Chen J, Jia G, Zhang F, Tao F, Yuan S. Baseline kidney function is associated with vancomycin-induced acute kidney injury in children: a prospective nested case-control study. Pediatr Nephrol 2021; 36:1299-1306. [PMID: 33161460 DOI: 10.1007/s00467-020-04820-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/30/2020] [Accepted: 10/12/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Children with kidney insufficiency are susceptible to vancomycin-induced acute kidney injury (VIAKI), but there is a lack of compelling clinical data. We conducted a nested case-control study to evaluate the relationship between kidney insufficiency and incidence of VIAKI in children. METHODS Patients were considered to have VIAKI if they met the criteria for eGFR change according to pRIFLE-I or p-RIFLE-F. Case group comprised patients who developed VIAKI. Case-control ratio was 1:3; patients were matched for age, severity, and nature of illness and initial vancomycin dose. Primary endpoint was incidence of VIAKI at three levels of kidney function, calculated using Kaplan-Meier curve and log-rank test. Secondary endpoint was treatment-related in-hospital mortality amongst case and control groups. RESULTS Amongst 386 children who fit study criteria, 31 developed VIAKI (8.03%). Thirty-one cases and 93 controls were selected from the observed cohort. Three risk factors were identified for VIAKI: moderate kidney insufficiency (OR 8.8, 2.4-32.8), vancomycin trough concentration ≥ 15 μg/mL (OR 7.7, 1.7-34.4), and furosemide use (OR 24.8, 6.4-98.2). A significant difference in time to VIAKI was noted between patients with moderate kidney insufficiency and patients with mild kidney insufficiency or normal kidney function (p < 0.001). In-hospital mortality rate in case group was 45.2%, compared to 18.3% in control group (p < 0.01). CONCLUSIONS Children with moderate kidney insufficiency are more likely to develop VIAKI than those with normal and mild kidney insufficiency. Patients who develop VIAKI have higher in-hospital mortality than those who do not develop VIAKI.
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Affiliation(s)
- Huanian Zhang
- Department of Clinical Pharmacol, Wuhan Children's Hospital, Tongji Medical College,Huazhong University of Science and Technology, 100 Hong Kong road, Jiang'an district, Wuhan, 430016, China.
| | - Ping Gao
- Department of Clinical Pharmacol, Wuhan Children's Hospital, Tongji Medical College,Huazhong University of Science and Technology, 100 Hong Kong road, Jiang'an district, Wuhan, 430016, China
| | - Yang Wang
- Department of Clinical Pharmacol, Wuhan Children's Hospital, Tongji Medical College,Huazhong University of Science and Technology, 100 Hong Kong road, Jiang'an district, Wuhan, 430016, China
| | - Jianzhong Chen
- Department of Clinical Pharmacol, Shandong Liaocheng Children's Hospital, Shandong Liaocheng, 252002, China
| | - Guangwei Jia
- Department of Clinical Pharmacol, Shandong Liaocheng Children's Hospital, Shandong Liaocheng, 252002, China
| | - Furong Zhang
- Department of ICU, Wuhan Children's Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, 430016, China
| | - Fang Tao
- Department of Pediatric Hematology, Wuhan Children's Hospital, Tongji Medical College,Huazhong University of Science and Technology, Wuhan, 430016, China
| | - Shiying Yuan
- Department of Clinical Pharmacol, Wuhan Children's Hospital, Tongji Medical College,Huazhong University of Science and Technology, 100 Hong Kong road, Jiang'an district, Wuhan, 430016, China
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Van de Voorde P, Turner NM, Djakow J, de Lucas N, Martinez-Mejias A, Biarent D, Bingham R, Brissaud O, Hoffmann F, Johannesdottir GB, Lauritsen T, Maconochie I. European Resuscitation Council Guidelines 2021: Paediatric Life Support. Resuscitation 2021; 161:327-387. [PMID: 33773830 DOI: 10.1016/j.resuscitation.2021.02.015] [Citation(s) in RCA: 151] [Impact Index Per Article: 50.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
These European Resuscitation Council Paediatric Life Support (PLS) guidelines, are based on the 2020 International Consensus on Cardiopulmonary Resuscitation Science with Treatment Recommendations. This section provides guidelines on the management of critically ill infants and children, before, during and after cardiac arrest.
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Affiliation(s)
- Patrick Van de Voorde
- Department of Emergency Medicine Ghent University Hospital, Faculty of Medicine UG, Ghent, Belgium; EMS Dispatch Center, East & West Flanders, Federal Department of Health, Belgium.
| | - Nigel M Turner
- Paediatric Cardiac Anesthesiology, Wilhelmina Children's Hospital, University Medical Center, Utrecht, Netherlands
| | - Jana Djakow
- Paediatric Intensive Care Unit, NH Hospital, Hořovice, Czech Republic; Paediatric Anaesthesiology and Intensive Care Medicine, University Hospital Brno, Medical Faculty of Masaryk University, Brno, Czech Republic
| | | | - Abel Martinez-Mejias
- Department of Paediatrics and Emergency Medicine, Hospital de Terassa, Consorci Sanitari de Terrassa, Barcelona, Spain
| | - Dominique Biarent
- Paediatric Intensive Care & Emergency Department, Hôpital Universitaire des Enfants, Université Libre de Bruxelles, Brussels, Belgium
| | - Robert Bingham
- Hon. Consultant Paediatric Anaesthetist, Great Ormond Street Hospital for Children, London, UK
| | - Olivier Brissaud
- Réanimation et Surveillance Continue Pédiatriques et Néonatales, CHU Pellegrin - Hôpital des Enfants de Bordeaux, Université de Bordeaux, Bordeaux, France
| | - Florian Hoffmann
- Paediatric Intensive Care and Emergency Medicine, Dr. von Hauner Children's Hospital, Ludwig-Maximilians-University, Munich, Germany
| | | | - Torsten Lauritsen
- Paediatric Anaesthesia, The Juliane Marie Centre, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Ian Maconochie
- Paediatric Emergency Medicine, Imperial College Healthcare Trust NHS, Faculty of Medicine Imperial College, London, UK
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Zhang Y, Lin J, Shi Q, Li C, Liu J, Dai J. Diagnostic accuracy of time to first positivity of blood cultures for predicting severe clinical outcomes in children with pneumonia-related bacteremia. J Investig Med 2020; 68:1241-1249. [DOI: 10.1136/jim-2020-001473] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/28/2020] [Indexed: 01/30/2023]
Abstract
Early recognition of severe clinical outcomes in children with pneumonia-related bacteremia is vitally important because of the high mortality. This study aims to explore risk factors for severe clinical outcomes in children with pneumonia-related bacteremia and evaluate the value of time to first positive blood cultures (TTFP) in predicting prognosis. Children with pneumonia-related bacteremia in Children’s Hospital of Chongqing Medical University were included (January 2013–May 2019), respectively. TTFP and clinical parameters were collected and analyzed. The area under the curve (AUC)-receiver operating characteristic was used to evaluate the discrimination ability of TTFP. Multivariate logistic regression tests were performed to evaluate the association between TTFP and severe clinical outcomes. A total of 242 children with pneumonia-related bacteremia were included. The least absolute shrinkage and selection operator (LASSO) regression analysis identified TTFP, serum albumin (ALB) and lactic dehydrogenase (LDH) as predictors of in-hospital mortality. Multivariate logistic regression analysis showed that shorter TTFP (OR 0.94; 95% CI 0.89 to 0.97; p<0.01), lower ALB level (OR 0.93; 95% CI 0.89 to 0.98; p<0.01) and higher LDH level (OR 1.001; 95% CI 1.000 to 1.001; p<0.01) were risk factors for in-hospital mortality in children with pneumonia-related bacteremia. AUC of TTFP for predicting in-hospital mortality was 0.748 (95% CI 0.668 to 0.829). Shorter TTFP (≤16 hours) was associated with in-hospital mortality and septic shock. TTFP plays an important role in predicting severe clinical outcomes in children with pneumonia-related bacteremia.
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