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Chen X, Li H, Li J, Liu X, Chen L, Chen C, Yuan J, Tao E. The potential role of heparin-binding protein in neonatal sepsis: research progress. Front Cell Infect Microbiol 2024; 14:1422872. [PMID: 39193501 PMCID: PMC11347420 DOI: 10.3389/fcimb.2024.1422872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 07/24/2024] [Indexed: 08/29/2024] Open
Abstract
Neonatal sepsis is a major global health challenge, leading to significant morbidity and mortality in newborns. The search for precise biomarkers for its early prediction in clinical settings has been ongoing, with heparin-binding protein (HBP) emerging as a promising candidate. Originating from granules in neutrophils, HBP is released into the bloodstream in response to infection and plays a pivotal role in the body's inflammatory response. Its significance extends beyond its inflammatory origins; research indicates dynamic changes in HBP levels are strongly linked to reduce in-hospital mortality, offering a prognostic advantage over existing biomarkers. Furthermore, HBP has demonstrated considerable clinical utility in the early diagnosis and stratification of neonatal sepsis, suggesting its potential as a reliable blood marker for early prediction of the disease and its severity. Its application may extend to guiding the judicious use of antibiotics in treating newborns, addressing a critical aspect of neonatal care. Despite these encouraging results, the precise clinical utility of HBP for diagnosing and treating sepsis in neonates still demands further clarification through extensive research. This review delves into the current scientific understanding of HBP's contribution to diagnosing, prognosticating, and treating neonatal sepsis, while considering its future clinical applications.
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Affiliation(s)
| | | | | | | | | | | | | | - Enfu Tao
- Department of Neonatology and Neonatal Intensive Care Unit, Wenling Maternal and Child Health Care Hospital, Wenling, Zhejiang, China
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Kilpatrick R, Greenberg R, Hansen NI, Shankaran S, Carlo WA, Cotten CM, Stoll BJ. Use and utility of C-reactive protein (CRP) in neonatal early-onset sepsis: a secondary analysis of a prospective surveillance study. J Perinatol 2024:10.1038/s41372-024-02064-5. [PMID: 39103472 DOI: 10.1038/s41372-024-02064-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 06/19/2024] [Accepted: 06/25/2024] [Indexed: 08/07/2024]
Abstract
OBJECTIVE Characterize C-reactive protein (CRP) within 72 postnatal hours in early-onset sepsis (EOS). STUDY DESIGN Secondary analysis of a prospective surveillance study of neonates with EOS 2015-2017. We examined CRP use by center and neonatal characteristics, and CRP levels by time, neonatal characteristics, clinical signs, and pathogen. RESULTS CRP was obtained for 96/235 neonates with EOS, which varied by center (p < 0.001). 71/95 had CRP > 10 mg/L (1 missing). Neonatal characteristics with and without CRP did not differ. There was no relationship between CRP level and timing (p = 0.41) or neonate characteristics. Median CRP was higher with ≥5 vs <5 clinical signs (56, 23 mg/L; p = 0.002), and was not different in Gram-positive vs Gram-negative sepsis (43, 51 mg/L; p = 0.37) or preterm neonates who died vs survived (38, 28 mg/L; p = 0.37). CONCLUSIONS Among neonates with EOS, CRP use varied by center. CRP levels did not differ by time, neonate characteristics, pathogen, or death. CLINICAL TRIALS REGISTRATION ClinicalTrials.gov ID Early-Onset Sepsis an NICHD/CDC Surveillance Study (EOSII): NCT02410486.
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Affiliation(s)
- Ryan Kilpatrick
- Division of Newborn Medicine, Tufts University School of Medicine, Boston, MA, USA.
| | | | - Nellie I Hansen
- Social, Statistical and Environmental Sciences Unit, RTI International, Research Triangle Park, NC, USA
| | - Seetha Shankaran
- Department of Pediatrics, Wayne State University, Detroit, MI, USA
| | - Waldemar A Carlo
- Division of Neonatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | | | - Barbara J Stoll
- Department of Pediatrics, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX, USA
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3
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Strunk T, Molloy EJ, Mishra A, Bhutta ZA. Neonatal bacterial sepsis. Lancet 2024; 404:277-293. [PMID: 38944044 DOI: 10.1016/s0140-6736(24)00495-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 02/06/2024] [Accepted: 03/07/2024] [Indexed: 07/01/2024]
Abstract
Neonatal sepsis remains one of the key challenges of neonatal medicine, and together with preterm birth, causes almost 50% of all deaths globally for children younger than 5 years. Compared with advances achieved for other serious neonatal and early childhood conditions globally, progress in reducing neonatal sepsis has been much slower, especially in low-resource settings that have the highest burden of neonatal sepsis morbidity and mortality. By contrast to sepsis in older patients, there is no universally accepted neonatal sepsis definition. This poses substantial challenges in clinical practice, research, and health-care management, and has direct practical implications, such as diagnostic inconsistency, heterogeneous data collection and surveillance, and inappropriate treatment, health-resource allocation, and education. As the clinical manifestation of neonatal sepsis is frequently non-specific and the current diagnostic standard blood culture has performance limitations, new improved diagnostic techniques are required to guide appropriate and warranted antimicrobial treatment. Although antimicrobial therapy and supportive care continue as principal components of neonatal sepsis therapy, refining basic neonatal care to prevent sepsis through education and quality improvement initiatives remains paramount.
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Affiliation(s)
- Tobias Strunk
- Neonatal Directorate, King Edward Memorial Hospital, Child and Adolescent Health Service, Perth, WA, Australia; Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia.
| | - Eleanor J Molloy
- Discipline of Paediatrics, Trinity College, University of Dublin and Trinity Research in Childhood Centre, Dublin, Ireland; Children's Health Hospital at Tallaght, Tallaght University Hospital, Dublin, Ireland; Trinity Translational Medicine Institute, St James Hospital, Dublin, Ireland; Neonatology, Children's Health Hospital at Crumlin, Dublin, Ireland; Paediatrics, Coombe Women's and Infant's University Hospital, Dublin, Ireland
| | - Archita Mishra
- Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, University of Western Australia, Perth, WA, Australia
| | - Zulfiqar A Bhutta
- Centre for Global Child Health, Hospital for Sick Children, Toronto, ON, Canada; Institute for Global Health and Development, The Aga Khan University South-Central Asia, Karachi, Pakistan
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4
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van Leeuwen LM, Fourie E, van den Brink G, Bekker V, van Houten MA. Diagnostic value of maternal, cord blood and neonatal biomarkers for early-onset sepsis: a systematic review and meta-analysis. Clin Microbiol Infect 2024; 30:850-857. [PMID: 38467246 DOI: 10.1016/j.cmi.2024.03.005] [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: 04/25/2023] [Revised: 02/26/2024] [Accepted: 03/04/2024] [Indexed: 03/13/2024]
Abstract
BACKGROUND An accurate diagnosis of early-onset sepsis (EOS) is challenging because of subtle symptoms and the lack of a good diagnostic tool, resulting in considerable antibiotic overtreatment. A biomarker, discriminating between infected and non-infected newborns at an early stage of the disease, could improve EOS prediction. Numerous biomarkers have been tested, but have never been compared directly. OBJECTIVES We aimed to provide a comprehensive overview of early biomarkers and their diagnostic value in maternal samples, umbilical cord blood, and neonatal serum. DATA SOURCES PubMed-Medline, EMBASE, The Cochrane Library, and Web of Science were searched up to 1 March 2023, without restrictions on publication date, population, or language. STUDY ELIGIBILITY CRITERIA Articles describing the diagnostic value of at least one biomarker in the detection of EOS in neonates, independent of gestational age, were included. ASSESSMENT OF RISK OF BIAS The QUADAS-2 tool was used to assess study quality. METHODS OF DATA SYNTHESIS Three independent researchers assessed the articles using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Meta-analysis was performed with all manuscripts describing diagnostic accuracy using a random-effects model. RESULTS Of 2296 identified articles, 171 reports were included in the systematic review and 69 in the meta-analysis. Literature showed mixed and inconsistent evidence for most biomarkers and sample types, because of a lack of a uniform EOS case definition, small sample sizes, and large heterogeneity between studies. Interesting markers were procalcitonin (pooled sensitivity 79%, 95% CI 71-84%; specificity 91%, 95% CI 83-96%, n = 11) and interleukin (IL)-6 (pooled sensitivity 83%, 95% CI 71-90%; specificity 87%, 95% CI 78-93%, n = 8) in umbilical cord blood and presepsin (pooled sensitivity 82%, 95% CI 62-93%; specificity 86%, 95% CI 73-93%, n = 3) and serum amyloid A (pooled sensitivity 92%, 95% CI 75-98%; specificity 96%, 95% CI 78-99%, n = 4) in neonatal serum. Studies on the combination of biomarkers were scarce. CONCLUSIONS A biomarker stand-alone test is currently not reliable for direct antibiotic stewardship in newborns, although several biomarkers show promising initial results. Further research into biomarker combinations could lead to an improved EOS diagnosis, reduce antibiotic overtreatment, and prevent associated health-related problems.
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Affiliation(s)
- Lisanne M van Leeuwen
- Department of Paediatrics and of Vaccine, Infection and Immunology, Spaarne Gasthuis Hospital, Haarlem, the Netherlands; Willem-Alexander Children's Hospital, Department of Pediatrics, Leiden University Medical Center, Leiden, the Netherlands
| | - Elandri Fourie
- Department of Paediatrics and of Vaccine, Infection and Immunology, Spaarne Gasthuis Hospital, Haarlem, the Netherlands
| | - Gerrie van den Brink
- Department of Paediatrics and of Vaccine, Infection and Immunology, Spaarne Gasthuis Hospital, Haarlem, the Netherlands
| | - Vincent Bekker
- Willem-Alexander Children's Hospital, Department of Pediatrics, Division of Neonatology, Leiden University Medical Center, the Netherlands
| | - Marlies A van Houten
- Department of Paediatrics and of Vaccine, Infection and Immunology, Spaarne Gasthuis Hospital, Haarlem, the Netherlands.
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5
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Flannery DD, Coggins SA, Medoro AK. Antibiotic Stewardship in the Neonatal Intensive Care Unit. J Intensive Care Med 2024:8850666241258386. [PMID: 38835250 DOI: 10.1177/08850666241258386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
Antibiotic stewardship is a multidisciplinary, evidence-based approach to optimize antibiotic use and mitigate development of antibiotic resistance. Neonates have high rates of antibiotic exposure, particularly those born preterm and admitted to the NICU, and mounting evidence describes the adverse consequences of such exposures in the absence of infection. Here, we review the general principles of antibiotic stewardship and how they can be applied in NICUs. The unique characteristics of NICUs and patients cared for in this setting, which warrant unique implementation strategies and special considerations are discussed. We summarize current antibiotic use metrics for assessment of responses to stewardship interventions and changes over time, and review evidence-based infection prevention practices in the NICU. Current recommendations for empiric antibiotic use in the NICU and the utility of infection biomarkers are summarized. Lastly, given the growing global threat of increasing antibiotic resistance, specific threats in the NICU are highlighted.
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Affiliation(s)
- Dustin D Flannery
- Division of Neonatology, Department of Pediatrics, University of Pennsylvania Perelman School of Medicine and Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Sarah A Coggins
- Division of Neonatology, Department of Pediatrics, University of Pennsylvania Perelman School of Medicine and Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Alexandra K Medoro
- Division of Neonatology, Department of Pediatrics, University of Pennsylvania Perelman School of Medicine and Children's Hospital of Philadelphia, Philadelphia, PA, USA
- Division of Infectious Diseases, Department of Pediatrics, University of Pennsylvania Perelman School of Medicine and Children's Hospital of Philadelphia, Philadelphia, PA, USA
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6
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Melaku G, Mergia G, Getahun SB, Semagn S, Awoke Z, Kabthymer RH, Abebe M. Hypoxic-ischaemic encephalopathy based on clinical signs and symptoms and associated factors among neonates, Southern Ethiopian public hospitals: a case-control study. Ann Med Surg (Lond) 2024; 86:35-41. [PMID: 38222722 PMCID: PMC10783229 DOI: 10.1097/ms9.0000000000001459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 10/23/2023] [Indexed: 01/16/2024] Open
Abstract
Background Hypoxic-ischaemic encephalopathy (HIE) is a severe condition that results from reduced oxygen supply and blood flow to the brain, leading to brain injury and potential long-term neurodevelopmental impairments. This study aimed to identify the maternal and neonatal factors associated with hypoxic-ischaemic encephalopathy among Neonates. Methods The authors conducted a case-control study in 15 public hospitals with 515 neonates and mothers (175 cases and 340 controls). The authors used a questionnaire and clinical records created and managed by Kobo software to collect data. The authors diagnosed hypoxic-ischaemic encephalopathy (HIE) by clinical signs and symptoms. The authors used logistic regression to identify HIE factors. Results Hypoxic-ischaemic encephalopathy (HIE) was associated with maternal education, ultrasound checkup, gestational age, delivery mode, and labour duration. Illiterate mothers [adjusted odds ratio (AOR)= 1.913, 95% CI: 1.177, 3.109], no ultrasound checkup (AOR= 1.859, 95% CI: 1.073, 3.221), preterm (AOR= 4.467, 95% CI: 1.993, 10.012) or post-term birth (AOR= 2.903, 95% CI: 1.325, 2.903), caesarean section (AOR= 7.569, 95% CI: 4.169, 13.741), and prolonged labour (AOR= 3.591, 95% CI: 2.067, 6.238) increased the incidence of HIE. Conclusion This study reveals the factors for hypoxic-ischaemic encephalopathy among neonates in Ethiopia. The authors found that neonates born to illiterate women, those who experienced prolonged labour, those whose mothers did not have ultrasound checkups during pregnancy, those delivered by caesarean section, and those born preterm, or post-term were more likely to develop hypoxic-ischaemic encephalopathy. These findings indicate that enhancing maternal education and healthcare services during pregnancy and delivery may positively reduce hypoxic-ischaemic encephalopathy among neonates.
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7
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Stocker M, Giannoni E. Game changer or gimmick: inflammatory markers to guide antibiotic treatment decisions in neonatal early-onset sepsis. Clin Microbiol Infect 2024; 30:22-27. [PMID: 36871829 DOI: 10.1016/j.cmi.2023.02.021] [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: 09/02/2022] [Revised: 02/14/2023] [Accepted: 02/25/2023] [Indexed: 03/07/2023]
Abstract
BACKGROUND The diagnosis of neonatal early-onset sepsis (EOS) is challenging, and inflammatory markers are widely used to guide decision-making and therapies. OBJECTIVES This narrative review presents the current state of knowledge regarding the diagnostic value and potential pitfalls in the interpretation of inflammatory markers for EOS. SOURCES PubMed until October 2022 and searched references in identified articles using the search terms: neonatal EOS, biomarker or inflammatory marker, and antibiotic therapy or antibiotic stewardship. CONTENT In situations with a high or low probability of sepsis, the measurements of inflammatory markers have no impact on the decision to start or stop antibiotics and are just gimmick, whereas they may be a game changer for neonates with intermediate risk and therefore an unclear situation. There is no single or combination of inflammatory markers that can predict EOS with high probability, allowing us to make decisions regarding the start of antibiotics based only on inflammatory markers. The main reason for the limited accuracy is most probably the numerous noninfectious conditions that influence the levels of inflammatory markers. However, there is evidence that C-reactive protein and procalcitonin have good negative predictive accuracy to rule out sepsis within 24 to 48 hours. Nevertheless, several publications have reported more investigations and prolonged antibiotic treatments with the use of inflammatory markers. Given the limitations of current strategies, using an algorithm with only moderate diagnostic accuracy may have a positive impact, as reported for the EOS calculator and the NeoPInS algorithm. IMPLICATIONS As the decision regarding the start of antibiotic therapy is different from the process of stopping antibiotics, the accuracy of inflammatory markers needs to be evaluated separately. Novel machine learning-based algorithms are required to improve accuracy in the diagnosis of EOS. In the future, inflammatory markers included in algorithms may be a game changer reducing bias and noise in the decision-making process.
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Affiliation(s)
- Martin Stocker
- Department of Pediatrics, Children's Hospital Lucerne, Lucerne, Switzerland.
| | - Eric Giannoni
- Clinic of Neonatology, Department Woman-Mother-Child, Lausanne University Hospital and University of Lausanne, Switzerland
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Böhm D, Wienzek-Lischka S, Cooper N, Berghöfer H, Müller K, Bayat B, Bein G, Sachs UJ. Fetal and neonatal alloimmune thrombocytopenia: No evidence of systemic inflammation as a modulator of disease severity. Could placental inflammation be key? Br J Haematol 2023; 203:304-310. [PMID: 37571926 DOI: 10.1111/bjh.19009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 07/19/2023] [Accepted: 07/19/2023] [Indexed: 08/13/2023]
Abstract
In fetal/neonatal alloimmune thrombocytopenia (FNAIT), maternal alloantibodies against paternal human platelet antigens (HPA) cross the placenta and lead to platelet destruction. The extent of thrombocytopenia varies among neonates, and inflammation may constitute an important trigger. A set of stable inflammatory markers was measured in serum samples from neonates with low platelet counts, of which n = 50 were diagnosed with FNAIT due to anti-HPA-1a antibodies and n = 50 were thrombocytopenic without detectable maternal HPA antibodies. Concentrations of C-reactive protein, soluble CD14, procalcitonin, and sFlt-1 did not differ between the two cohorts. There was no correlation between C-reactive protein or soluble CD14 and the platelet count, but a negative correlation between procalcitonin concentrations and the neonatal platelet count in both cohorts. sFlt-1 concentration and the platelet count were correlated in FNAIT cases exclusively. None of the inflammatory markers was statistically different between cases with and without intracranial haemorrhage. We were unable to identify systemic inflammation as a relevant factor for thrombocytopenia in FNAIT. The antiangiogenic enzyme sFlt-1, released by the placenta, did correlate with the platelet count in FNAIT cases. Our findings may give rise to the hypothesis that placental inflammation rather than systemic inflammation modulates disease severity in FNAIT.
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Affiliation(s)
- David Böhm
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
| | - Sandra Wienzek-Lischka
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
- German Center for Fetomaternal Incompatibility (DZFI), University Hospital Giessen and Marburg, Giessen, Germany
| | - Nina Cooper
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
- German Center for Fetomaternal Incompatibility (DZFI), University Hospital Giessen and Marburg, Giessen, Germany
| | - Heike Berghöfer
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
| | - Katja Müller
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
| | - Behnaz Bayat
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
| | - Gregor Bein
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
- German Center for Fetomaternal Incompatibility (DZFI), University Hospital Giessen and Marburg, Giessen, Germany
| | - Ulrich J Sachs
- Institute for Clinical Immunology, Transfusion Medicine, and Haemostasis, Justus Liebig University, Giessen, Germany
- German Center for Fetomaternal Incompatibility (DZFI), University Hospital Giessen and Marburg, Giessen, Germany
- Department of Thrombosis and Haemostasis, University Hospital Giessen and Marburg, Giessen, Germany
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9
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Pantoja A, Sveum S, Frost S, Duran A, Burks J, Schernecke C, Feinberg M. New strategies to Reduce Unnecessary Antibiotic Use in the NICU: A Quality Improvement Initiative. Pediatr Qual Saf 2023; 8:e659. [PMID: 38571732 PMCID: PMC10990351 DOI: 10.1097/pq9.0000000000000659] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 05/05/2023] [Indexed: 04/05/2024] Open
Abstract
Introduction Early-onset sepsis (EOS) and late-onset Sepsis (LOS) are common diagnoses entertained in sick newborns treated in neonatal intensive care units (NICUs), and antibiotics are the medications most prescribed in NICUs. Antibiotic stewardship programs have an important impact on limiting unnecessary antibiotic use. Methods Following the Model for Improvement, between 2/1/16 and 1/31/17, at a level 3 NICU, a multidisciplinary team implemented PDSA cycles to promote antibiotic stewardship practices for newborns at risk of EOS and LOS. The main goal was to decrease the antibiotic usage rate (AUR) safely. Primary strategies included discontinuing antibiotics within 24 hours of life if the newborn was stable, and the blood culture was negative for EOS and implementing an "antibiotic time-out" during rounds. Results For all newborns admitted to our NICU, the AUR decreased, for EOS from 137 to 32 days per 1000 patient days (77% reduction) and for LOS from 277 to 121 days per 1000 patient days (56% reduction). We demonstrated the sustainability of both EOS-AUR and LOS-AUR during the 2 years postcompletion of the intervention period. There were no adverse effects of reducing the AUR. Conclusion Interventions that reduce unnecessary antibiotic use in the NICU are safe and prevent excessive antibiotic exposure.
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Affiliation(s)
- Alfonso Pantoja
- From the Saint Joseph Hospital, Denver, Colo
- Colorado Permanente Medical Group, Denver, CO
| | - Scott Sveum
- From the Saint Joseph Hospital, Denver, Colo
- Vail Health, Frisco, CO
| | | | | | - Jeanne Burks
- From the Saint Joseph Hospital, Denver, Colo
- Envision Physician Services, Phoenix, AZ
| | - Christi Schernecke
- From the Saint Joseph Hospital, Denver, Colo
- Methodist Dallas Medical Center, Dallas TX
| | - Michelle Feinberg
- From the Saint Joseph Hospital, Denver, Colo
- Colorado Permanente Medical Group, Denver, CO
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10
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Dhudasia MB, Benitz WE, Flannery DD, Christ L, Rub D, Remaschi G, Puopolo KM, Mukhopadhyay S. Diagnostic Performance and Patient Outcomes With C-Reactive Protein Use in Early-Onset Sepsis Evaluations. J Pediatr 2023; 256:98-104.e6. [PMID: 36529283 PMCID: PMC10164676 DOI: 10.1016/j.jpeds.2022.12.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/31/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
OBJECTIVES To determine performance of C-reactive protein (CRP) in the diagnosis of early-onset sepsis, and to assess patient outcomes with and without routine use of CRP. STUDY DESIGN This was a retrospective cohort study of infants admitted to 2 neonatal intensive care units. CRP was used routinely in early-onset sepsis evaluations during 2009-2014; this period was used to determine CRP performance at a cut-off of ≥10 mg/L in diagnosis of culture-confirmed early-onset sepsis. Routine CRP use was discontinued during 2018-2020; outcomes among infants admitted during this period were compared with those in 2012-2014. RESULTS From 2009 to 2014, 10 134 infants were admitted; 9103 (89.8%) had CRP and 7549 (74.5%) had blood culture obtained within 3 days of birth. CRP obtained ±4 hours from blood culture had a sensitivity of 41.7%, specificity 89.9%, and positive likelihood ratio 4.12 in diagnosis of early-onset sepsis. When obtained 24-72 hours after blood culture, sensitivity of CRP increased (89.5%), but specificity (55.7%) and positive likelihood ratio (2.02) decreased. Comparing the periods with (n = 4977) and without (n = 5135) routine use of CRP, we observed lower rates of early-onset sepsis evaluation (74.5% vs 50.5%), antibiotic initiation (65.0% vs 50.8%), and antibiotic prolongation in the absence of early-onset sepsis (17.3% vs 7.2%) in the later period. Rate and timing of early-onset sepsis detection, transfer to a greater level of care, and in-hospital mortality were not different between periods. CONCLUSIONS CRP diagnostic performance was not sufficient to guide decision-making in early-onset sepsis. Discontinuation of routine CRP use was not associated with differences in patient outcomes despite lower rates of antibiotic administration.
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Affiliation(s)
- Miren B Dhudasia
- Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA
| | - William E Benitz
- Division of Neonatal and Developmental Medicine, Stanford University School of Medicine, Stanford, CA
| | - Dustin D Flannery
- Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Lori Christ
- Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - David Rub
- Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Giulia Remaschi
- Division of Neonatology, Careggi University Hospital of Florence, Florence, Italy
| | - Karen M Puopolo
- Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Sagori Mukhopadhyay
- Division of Neonatology, Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA; Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia, Philadelphia, PA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.
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11
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Nusman CM, Snoek L, van Leeuwen LM, Dierikx TH, van der Weijden BM, Achten NB, Bijlsma MW, Visser DH, van Houten MA, Bekker V, de Meij TGJ, van Rossem E, Felderhof M, Plötz FB. Group B Streptococcus Early-Onset Disease: New Preventive and Diagnostic Tools to Decrease the Burden of Antibiotic Use. Antibiotics (Basel) 2023; 12:489. [PMID: 36978356 PMCID: PMC10044457 DOI: 10.3390/antibiotics12030489] [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: 12/14/2022] [Revised: 02/18/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023] Open
Abstract
The difficulty in recognizing early-onset neonatal sepsis (EONS) in a timely manner due to non-specific symptoms and the limitations of diagnostic tests, combined with the risk of serious consequences if EONS is not treated in a timely manner, has resulted in a low threshold for starting empirical antibiotic treatment. New guideline strategies, such as the neonatal sepsis calculator, have been proven to reduce the antibiotic burden related to EONS, but lack sensitivity for detecting EONS. In this review, the potential of novel, targeted preventive and diagnostic methods for EONS is discussed from three different perspectives: maternal, umbilical cord and newborn perspectives. Promising strategies from the maternal perspective include Group B Streptococcus (GBS) prevention, exploring the virulence factors of GBS, maternal immunization and antepartum biomarkers. The diagnostic methods obtained from the umbilical cord are preliminary but promising. Finally, promising fields from the newborn perspective include biomarkers, new microbiological techniques and clinical prediction and monitoring strategies. Consensus on the definition of EONS and the standardization of research on novel diagnostic biomarkers are crucial for future implementation and to reduce current antibiotic overexposure in newborns.
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Affiliation(s)
- Charlotte M. Nusman
- Department of Paediatrics, Emma Children’s Hospital, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Linde Snoek
- Department of Neurology, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Lisanne M. van Leeuwen
- Department of Paediatrics and Department of Vaccin, Infection and Immunology, Spaarne Hospital, Boerhaavelaan 22, 2035 RC Haarlem, The Netherlands
- Department of Paediatrics, Willem Alexander Children Hospital, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Thomas H. Dierikx
- Department of Pediatric Gastroenterology, Emma Children’s Hospital, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism Research Institute, Meibergdreef 69-71, 1105 BK Amsterdam, The Netherlands
| | - Bo M. van der Weijden
- Department of Paediatrics, Emma Children’s Hospital, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
- Department of Paediatrics, Tergooi Hospital, Rijksstraatweg 1, 1261 AN Blaricum, The Netherlands
| | - Niek B. Achten
- Department of Paediatrics, Erasmus University Medical Centre, Sophia Children’s Hospital, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands
| | - Merijn W. Bijlsma
- Department of Paediatrics, Emma Children’s Hospital, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Douwe H. Visser
- Department of Neonatology, Emma Children’s Hospital, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Marlies A. van Houten
- Department of Paediatrics and Department of Vaccin, Infection and Immunology, Spaarne Hospital, Boerhaavelaan 22, 2035 RC Haarlem, The Netherlands
| | - Vincent Bekker
- Division of Neonatology, Department of Pediatrics, Willem Alexander Children’s Hospital, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - Tim G. J. de Meij
- Department of Pediatric Gastroenterology, Emma Children’s Hospital, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
- Amsterdam Gastroenterology Endocrinology Metabolism Research Institute, Meibergdreef 69-71, 1105 BK Amsterdam, The Netherlands
| | - Ellen van Rossem
- Department of Paediatrics, Flevo Hospital, Hospitaalweg 1, 1315 RA Almere, The Netherlands
| | - Mariet Felderhof
- Department of Paediatrics, Flevo Hospital, Hospitaalweg 1, 1315 RA Almere, The Netherlands
| | - Frans B. Plötz
- Department of Paediatrics, Emma Children’s Hospital, Amsterdam University Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
- Department of Paediatrics, Tergooi Hospital, Rijksstraatweg 1, 1261 AN Blaricum, The Netherlands
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12
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Abstract
Early-onset sepsis (EOS) is a significant cause of morbidity and mortality among newborn infants, particularly among those born premature. The epidemiology of EOS is changing over time. Here, we highlight the most contemporary data informing the epidemiology of neonatal EOS, including incidence, microbiology, risk factors, and associated outcomes, with a focus on infants born in high-income countries during their birth hospitalization. We discuss approaches to risk assessment for EOS, summarizing national guidelines and comparing key differences between approaches for term and preterm infants. Lastly, we analyze contemporary antibiotic resistance data for EOS pathogens to inform optimal empiric treatment for EOS.
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Affiliation(s)
- Dustin D Flannery
- Division of Neonatology, Children's Hospital of Philadelphia, Philadelphia, PA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
- Clinical Futures, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Karen M Puopolo
- Division of Neonatology, Children's Hospital of Philadelphia, Philadelphia, PA
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
- Clinical Futures, Children's Hospital of Philadelphia, Philadelphia, PA
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13
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Elbayiyev S, Şimşek GK, Ertekin Ö, Işık Ş, Kanmaz Kutman HG, Canpolat FE. Effect of Therapeutic Hypothermia Treatment on Acute Phase
Reactants. Z Geburtshilfe Neonatol 2022; 226:319-324. [PMID: 35995071 DOI: 10.1055/a-1846-1545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Abstract
Objective In our study, we aimed to examine the effect of therapeutic
hypothermia treatment on C-reactive protein (CRP) and interleukin-6 (IL-6) in
infants with hypoxic ischemic encephalopathy (HIE).
Methods The data of the patients with the diagnosis of HIE we followed up
in our unit between 2017 and 2018 were analyzed retrospectively. Patients who
died during follow-up and patients with proven septicemia at the time of
examination were excluded from the study. The routine CRP and IL-6 values
of the patients included in the study were compared before and
after hypothermia treatment.
Results Therapeutic hypothermia treatment applied for 72 hours was
found to cause a statistically significant increase in CRP after treatment when
compared with the values measured before treatment (0.6
(0.2–1.9) before and median (P25–75), and after treatment 7.5
(4–18) and median (P25–75) mg/L, p=0.00). While
IL-6 was found to be high in the early period due to the effect of hypoxia, it
was found to be low after hypothermia treatment (80.5 (40–200) median
(P25–75) – 32 (18–50) median (P25–75)
pg/ml, p=0.131). While the white blood cell count was high
before hypothermia treatment due to hypoxia, it was found to be low after
treatment (24600 (19600–30100) median (P25–75) –11300
(8800–14200) median (P25–75)/µL,
p=0.001).
Conclusion White blood cells and IL-6 can be found to be high due to
hypoxia without infection, and CRP can be found to be high after therapeutic
hypothermia treatment without infection. The effect of hypoxia and hypothermia
should be considered when evaluating acute phase reactants.
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Affiliation(s)
- Sarkhan Elbayiyev
- Division of Neonatology, Ankara City Hospital, University of Health
Sciences, Ankara, Turkey
| | - Gülsüm Kadıoğlu Şimşek
- Division of Neonatology, Ankara City Hospital, University of Health
Sciences, Ankara, Turkey
| | - Ömer Ertekin
- Division of Neonatology, Ankara City Hospital, University of Health
Sciences, Ankara, Turkey
| | - Şehribanu Işık
- Division of Neonatology, Ankara City Hospital, University of Health
Sciences, Ankara, Turkey
| | | | - Fuat Emre Canpolat
- Division of Neonatology, Ankara City Hospital, University of Health
Sciences, Ankara, Turkey
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14
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Abstract
Sepsis has a huge impact on global mortality and has been declared as a priority by the World Health organisation the WHO.1 Children have a high incidence of sepsis especially in the neonatal with an estimated 3 million babies affected worldwide and mortality ranges from 11 to 19%.2 In addition, long-term neurodevelopmental outcomes are affected but this is largely unquantified. However, challenges remain in the early recognition, diagnosis and standardised management of sepsis. This series on Sepsis and inflammation in children reviews the conundrums of diagnostic criteria, biomarkers, management and future strategies to improve outcomes.
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Affiliation(s)
- E J Molloy
- Paediatrics, Trinity College Dublin, Trinity Research in Childhood Centre (TRiCC), Dublin, Ireland.
- Trinity Translational Medicine Institute (TTMI), Dublin, Ireland.
- Neonatology, Coombe Women's and Infants University Hospital, Dublin, Ireland.
- Neonatology, CHI at Crumlin, Dublin, Ireland.
- Children's Hospital Ireland (CHI) at Tallaght, Dublin, Ireland.
| | - C F Bearer
- UH Rainbow Babies & Children's Hospital, Cleveland, OH, USA
- Case Western Reserve University School of Medicine, Cleveland, OH, USA
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