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Alexander EC, Wadia TH, Ramnarayan P. Effectiveness of high flow nasal Cannula (HFNC) therapy compared to standard oxygen therapy (SOT) and continuous positive airway pressure (CPAP) in bronchiolitis. Paediatr Respir Rev 2024:S1526-0542(24)00048-4. [PMID: 38937210 DOI: 10.1016/j.prrv.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Accepted: 05/31/2024] [Indexed: 06/29/2024]
Abstract
High Flow Nasal Cannula therapy (HFNC) is a form of respiratory support for bronchiolitis. Recent evidence confirms HFNC reduces the risk of treatment escalation by nearly half (45%) compared to standard oxygen therapy (SOT), although most patients (75%) with mild-moderate respiratory distress manage well on SOT. The majority of children (60%) failing SOT respond well to HFNC making rescue use of HFNC a more cost-effective approach compared to its first-line use. HFNC is compared toCPAP in the setting of moderate to severe bronchiolitis. Patients on HFNC have a slightly elevated risk of treatment failure especially in severe bronchiolitis, but this does not translate to a significant difference in patient or healthcare centred outcomes. HFNC has improved tolerance, a lower complication rate and is more easily available in peripheral hospitals. It is therefore the preferred first line option followed by rescue CPAP. HFNC is clinically effective and safe to use in bronchiolitis of all severities.
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Affiliation(s)
- Emma C Alexander
- Paediatric Intensive Care Unit, St Mary's Hospital, Imperial College Healthcare NHS Trust, London W2 1NY, United Kingdom.
| | - Toranj H Wadia
- Paediatric Intensive Care Unit, St Mary's Hospital, Imperial College Healthcare NHS Trust, London W2 1NY, United Kingdom.
| | - Padmanabhan Ramnarayan
- Paediatric Intensive Care Unit, St Mary's Hospital, Imperial College Healthcare NHS Trust, London W2 1NY, United Kingdom; Department of Surgery and Cancer, Imperial College London, London W2 1NY, United Kingdom.
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Lim SA, Chan M, Hu N, McMullan B, Britton PN, Bartlett A, Kandasamy R, Saravanos GL, Prentice B, Jaffe A, Owens L, Homaira N. Risk Factors and Clinical Prognosis Associated With RSV-ALRI Intensive Care Unit Admission in Children <2 Years of Age: A Multicenter Study. Pediatr Infect Dis J 2024; 43:511-517. [PMID: 38377461 DOI: 10.1097/inf.0000000000004288] [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] [Indexed: 02/22/2024]
Abstract
BACKGROUND Respiratory syncytial virus (RSV) is the leading cause of acute lower respiratory infections (ALRIs) in children <2 years of age. Currently, there are limited data on risk factors for very severe RSV-ALRI requiring intensive care unit (ICU) admission. METHODS We conducted a case-control study of children <2 years old admitted with RSV-ALRI to the Sydney Children's Hospital Network, comprising 2 large tertiary pediatric hospitals. Cases were children with laboratory-confirmed RSV-ALRI admitted to ICU, and controls were (1:2, matched on date of admission) children hospitalized with RSV-ALRI but not requiring ICU transfer. Data on risk factors were retrieved from the electronic medical record system. Adjusted odds ratios (aORs) with 95% confidence intervals (95% CI) associated with risk factors for ICU admission and the association with clinical and treatment factors were determined from logistic regression models. RESULTS A total of 44 (44%) of 100 cases and 90 (48.1%) of 187 controls were male. Age <6 months and preterm births were associated with a 2.10-fold (95% CI: 1.14-3.79) and 2.35-fold (95% CI: 1.26-4.41) increased risk in ICU admissions, respectively. The presence of any chronic health condition was a significant risk factor for ICU admission. The clinical presentations on admission more commonly seen in cases were apnea (aOR: 5.01, 95% CI: 1.50-17.13) and respiratory distress (aOR: 15.91, 95% CI: 4.52-55.97). Cases were more likely to be hospitalized for longer duration and require respiratory support. CONCLUSIONS Our results can be translated into a clinical risk algorithm to identify children at risk of very severe RSV disease.
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Affiliation(s)
- Su Ann Lim
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
| | - Mei Chan
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
| | - Nan Hu
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
| | - Brendan McMullan
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
- Sydney Children's Hospital, Randwick, Sydney, Australia
| | - Philip N Britton
- Sydney Medical School, University of Sydney, Sydney, Australia
- The Children's Hospital at Westmead, Sydney, Australia
| | - Adam Bartlett
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
- Sydney Children's Hospital, Randwick, Sydney, Australia
| | - Rama Kandasamy
- The Children's Hospital at Westmead, Sydney, Australia
- School of Clinical Medicine, University of Sydney, Sydney, Australia
| | - Gemma L Saravanos
- Susan Wakil School of Nursing and Midwifery, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Bernadette Prentice
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
- Sydney Children's Hospital, Randwick, Sydney, Australia
| | - Adam Jaffe
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
- Sydney Children's Hospital, Randwick, Sydney, Australia
| | - Louisa Owens
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
- Sydney Children's Hospital, Randwick, Sydney, Australia
| | - Nusrat Homaira
- From the Discipline of Pediatrics and Child Health, School of Clinical Medicine, UNSW Sydney, Australia
- Sydney Children's Hospital, Randwick, Sydney, Australia
- James P. Grant School of Public Health, Dhaka, Bangladesh
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3
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Andrist E, Clarke RG, Phelps KB, Dews AL, Rodenbough A, Rose JA, Zurca AD, Lawal N, Maratta C, Slain KN. Understanding Disparities in the Pediatric ICU: A Scoping Review. Pediatrics 2024; 153:e2023063415. [PMID: 38639640 DOI: 10.1542/peds.2023-063415] [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] [Accepted: 02/06/2024] [Indexed: 04/20/2024] Open
Abstract
BACKGROUND AND OBJECTIVES Health disparities are pervasive in pediatrics. We aimed to describe disparities among patients who are likely to be cared for in the PICU and delineate how sociodemographic data are collected and categorized. METHODS Using MEDLINE as a data source, we identified studies which included an objective to assess sociodemographic disparities among PICU patients in the United States. We created a review rubric, which included methods of sociodemographic data collection and analysis, outcome and exposure variables assessed, and study findings. Two authors reviewed every study. We used the National Institute on Minority Health and Health Disparities Research Framework to organize outcome and exposure variables. RESULTS The 136 studies included used variable methods of sociodemographic data collection and analysis. A total of 30 of 124 studies (24%) assessing racial disparities used self- or parent-identified race. More than half of the studies (52%) dichotomized race as white and "nonwhite" or "other" in some analyses. Socioeconomic status (SES) indicators also varied; only insurance status was used in a majority of studies (72%) evaluating SES. Consistent, although not uniform, disadvantages existed for racial minority populations and patients with indicators of lower SES. The authors of only 1 study evaluated an intervention intended to mitigate health disparities. Requiring a stated objective to evaluate disparities aimed to increase the methodologic rigor of included studies but excluded some available literature. CONCLUSIONS Variable, flawed methodologies diminish our understanding of disparities in the PICU. Meaningfully understanding and addressing health inequity requires refining how we collect, analyze, and interpret relevant data.
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Affiliation(s)
- Erica Andrist
- Division of Pediatric Critical Care Medicine
- Departments of Pediatrics
| | - Rachel G Clarke
- Division of Pediatric Critical Care Medicine, Upstate University Hospital, Syracuse, New York
- Center for Bioethics and Humanities, SUNY Upstate Medical University, Syracuse, New York
| | - Kayla B Phelps
- Division of Pediatric Critical Care Medicine, Louisiana State University Health Sciences Center, Children's Hospital of New Orleans, New Orleans, Louisiana
| | - Alyssa L Dews
- Human Genetics, University of Michigan Medical School, Ann Arbor, Michigan
- Susan B. Meister Child Health and Adolescent Research Center, University of Michigan, Ann Arbor, Michigan
| | - Anna Rodenbough
- Division of Pediatric Critical Care Medicine, Children's Hospital of Atlanta, Atlanta, Georgia
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia
| | - Jerri A Rose
- Pediatric Emergency Medicine
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | - Adrian D Zurca
- Division of Critical Care, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
- Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Nurah Lawal
- Stepping Stones Pediatric Palliative Care Program, C.S. Mott Children's Hospital, Ann Arbor, Michigan
- Departments of Pediatrics
| | - Christina Maratta
- Department of Critical Care, The Hospital for Sick Children, Toronto, Ontario, Canada
- Interdepartmental Division of Critical Care
- Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada
| | - Katherine N Slain
- Pediatric Critical Care Medicine, Rainbow Babies and Children's Hospital, Cleveland, Ohio
- Department of Pediatrics, Case Western Reserve University School of Medicine, Cleveland, Ohio
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Parlar-Chun R, Hafeez Z. Association of Socioeconomic Factors and Severity of Bronchiolitis Hospitalizations. Clin Pediatr (Phila) 2024; 63:201-207. [PMID: 37705196 PMCID: PMC10785558 DOI: 10.1177/00099228231200393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
It is unclear if socioeconomic status (SES) factors influence severity of illness of patients hospitalized with bronchiolitis. This study was conducted to identify SES factors including the Center for Disease Control and Prevention's Social Vulnerability Composite Index (SVI), estimated income, proportion of minority, proportion of living below poverty, insurance status, and number of household members associated with length of stay (LOS) and intensive care unit admission. Infants hospitalized at a tertiary care urban center for bronchiolitis were identified using International Classification of Diseases codes. Federal information processing system codes were identified from home address and paired with SVI and 2018 census tract. Other measures of SES were obtained from the Federal Financial Institutions Examination Council. Number of household members, insurance, age, sex, and history of prematurity were recorded from patient chart. Length of stay was modeled with mixed effects negative binomial regression and pediatric intensive care unit (PICU) admission with mixed effects logistic regression with random intercept at the census tract and adjustment for clinical factors. A total of 417 infants had median age of 144 days (interquartile range (IQR): 61, 357) and 136 (33%) were born premature. Median LOS was 62 hours (24, 136) with 97 (23%) patients admitted to the PICU. Median household members were 4 (4, 5). For each increase in household member, there was 7% increase in LOS (incidence rate ratio 1.07, 95% confidence interval: 1-1.14, P = .038). Social Vulnerability Composite Index, subcategories, insurance status, estimated income, percent of minority, and percent of poverty did not show any associations with length of hospitalization or PICU admission. Increasing number of household members may be associated with increased bronchiolitis hospital LOS. We find no associations with other SES measures.
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Affiliation(s)
- Raymond Parlar-Chun
- Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Zoabe Hafeez
- Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, USA
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5
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Giorno EP, Foronda FK, De Paulis M, Bou Gohsn DN, Couto TB, Sa FV, Fraga AM, Farhat SC, Preto-Zamperlini M, Schvartsman C. Point-of-care lung ultrasound score for predicting escalated care in children with respiratory distress. Am J Emerg Med 2023; 68:112-118. [PMID: 36966586 DOI: 10.1016/j.ajem.2023.02.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 02/23/2023] [Accepted: 02/26/2023] [Indexed: 03/06/2023] Open
Abstract
PURPOSE Respiratory distress due to lower respiratory illnesses is a leading cause of death in children. Early recognition of high-risk populations is critical for the allocation of adequate resources. Our goal was to assess whether the lung ultrasound (US) score obtained at admission in children with respiratory distress predicts the need for escalated care. METHODS This prospective study included 0-18-year-old patients with respiratory distress admitted to three emergency departments in the state of Sao Paulo, Brazil, between July 2019 and September 2021. The enrolled patients underwent lung US performed by a pediatric emergency physician within two hours of arrival. Lung ultrasound scores ranging from 0 to 36 were computed. The primary outcome was the need for high-flow nasal cannula (HFNC), noninvasive ventilation (NIV), or mechanical ventilation within 24 h. RESULTS A total of 103 patients were included. The diagnoses included wheezing (33%), bronchiolitis (27%), pneumonia (16%), asthma (9%), and miscellaneous (16%). Thirty-five patients (34%) required escalated care and had a higher lung ultrasound score: median 13 (0-34) vs 2 (0-21), p < 0.0001; area under the curve (AUC): 0.81 (95% confidence interval [CI]: 0.71-0.90). The best cut-off score derived from Youden's index was seven (sensitivity: 71.4%; specificity: 79.4%; odds ratio (OR): 9.6 [95% CI: 3.8-24.7]). A lung US score above 12 was highly specific and had a positive likelihood ratio of 8.74 (95% CI:3.21-23.86). CONCLUSION An elevated lung US score measured in the first assessment of children with any type of respiratory distress was predictive of severity as defined by the need for escalated care with HFNC, NIV, or mechanical ventilation.
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Predictors of Intensive Care Admission in Hypoxemic Bronchiolitis Infants, Secondary Analysis of a Randomized Trial. J Pediatr 2022; 256:92-97.e1. [PMID: 36528052 DOI: 10.1016/j.jpeds.2022.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 10/13/2022] [Accepted: 12/12/2022] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To evaluate in a preplanned secondary analysis of our parent randomized controlled trial predictors of intensive care unit (ICU) admission in infants with bronchiolitis and analyze if these predictors are equally robust for children receiving high-flow or standard-oxygen. STUDY DESIGN A secondary analysis of a multicenter, randomized trial of infants aged <12 months with bronchiolitis and an oxygen requirement was performed using admission and outcome data of all 1472 enrolled infants. The primary outcome was ICU admission. The predictors evaluated were baseline characteristics including physiological data and medical history. RESULTS Of the 1472 enrolled infants, 146 were admitted to intensive care. Multivariate predictors of ICU admission were age (weeks) (OR: 0.98 [95% CI: 0.96-0.99]), pre-enrolment heart rate >160/min (OR: 1.80 [95% CI: 1.23-2.63]), pre-enrolment SpO2 (transcutaneous oxygen saturation) (%) (OR: 0.91 [95% CI: 0.86-0.95]), previous ICU admission (OR: 2.16 [95% CI: 1.07-4.40]), and time of onset of illness to hospital presentation (OR: 0.78 [95% CI: 0.65-0.94]). The predictors were equally robust for infants on high-flow nasal cannula therapy or standard-oxygen therapy. CONCLUSION Age <2 months, pre-enrolment heart rate >160/min, pre-enrolment SpO2 of <87%, previous ICU admission and time of onset of ≤2 days to presentation are predictive of an ICU admission during the current hospital admission of infants with bronchiolitis independent of oxygenation method used. TRIAL REGISTRATION ACTRN12613000388718.
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7
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Be'er M, Bushmitz S, Cahal M, Sadot E, Yochpaz S, Besor O, Amirav I, Lavie M. Asthma risk after a pediatric intensive care unit admission for respiratory syncytial virus bronchiolitis. Pediatr Pulmonol 2022; 57:1677-1683. [PMID: 35579122 PMCID: PMC9328351 DOI: 10.1002/ppul.25953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 01/25/2022] [Accepted: 04/22/2022] [Indexed: 12/02/2022]
Abstract
BACKGROUND Admission to a pediatric intensive care unit (PICU) has been associated with respiratory consequences in children with asthma and carries major implications for management control. Whereas respiratory syncytial virus (RSV) bronchiolitis has been associated with increasing intensity of wheezing, the relationship between RSV-bronchiolitis PICU admission and future asthma is unclear. This retrospective case-control study evaluated whether hospitalization in the PICU due to RSV bronchiolitis is more likely to be associated with future asthma in early life compared with hospitalization in a general pediatric ward. METHODS Children hospitalized due to RSV bronchiolitis between 2007 and 2019 in the PICU (study group) were compared to those hospitalized in a general pediatric ward (controls). Asthma prevalence was assessed by a follow-up questionnaire based on The International Study of Asthma and Allergies in Childhood questionnaire. RESULTS Sixty-three PICU patients and 66 controls were included. The PICU patients presented with more severe disease during RSV hospitalization. At follow-up, significantly more PICU patients aged 3-6 years had physician-diagnosed asthma, respiratory symptoms during the previous 12 months, and underwent respiratory treatment since hospital discharge compared to controls (14 [60.9%] vs. 4 [18.2%] patients; 15 [65.2%] vs. 6 [27.3%]; and 16 [69.6%] vs. 8 [36.4%]; respectively). These differences were no longer observed after 6 years of age. CONCLUSIONS Children admitted to the PICU for RSV bronchiolitis are at higher risk for asthma in subsequent pre-school years and will require close respiratory follow-up than those admitted to general pediatric wards. Admission venue should be queried when asthma is suspected.
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Affiliation(s)
- Moria Be'er
- Pediatric Pulmonology Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
| | - Shai Bushmitz
- Pediatric Pulmonology Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
| | - Michal Cahal
- Pediatric Pulmonology Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
| | - Efraim Sadot
- Pediatric Pulmonology Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel.,Pediatric Intensive Care Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
| | - Sivan Yochpaz
- Department of Pediatrics, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
| | - Omri Besor
- Pediatric Pulmonology Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
| | - Israel Amirav
- Pediatric Pulmonology Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
| | - Moran Lavie
- Pediatric Pulmonology Unit, Dana-Dwek Children's Hospital, Tel-Aviv Sourasky Medical Center (affiliated to the Sackler Faculty of Medicine, Tel Aviv University), Tel Aviv, Israel
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8
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Anderson J, Oeum M, Verkolf E, Licciardi PV, Mulholland K, Nguyen C, Chow K, Waller G, Costa AM, Daley A, Crawford NW, Babl FE, Duke T, Do LAH, Wurzel D. Factors associated with severe respiratory syncytial virus disease in hospitalised children: a retrospective analysis. Arch Dis Child 2022; 107:359-364. [PMID: 34526293 DOI: 10.1136/archdischild-2021-322435] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 08/31/2021] [Indexed: 11/03/2022]
Abstract
BACKGROUND Early recognition of children at risk of severe respiratory syncytial virus (RSV) lower respiratory tract infection is important as it informs management decisions. We aimed to evaluate factors associated with severe disease among young children hospitalised with RSV infection. METHODS We conducted a retrospective cohort study of all children <2 years of age hospitalised for RSV lower respiratory tract infection at a single tertiary paediatric hospital over three RSV seasons (January 2017-December 2019). We classified children as having 'moderate' or 'severe' disease based on the level of respiratory intervention and used univariable and multivariable regression models to determine factors associated with severe disease. RESULTS Of 970 hospitalised children, 386 (40%) were classified as having 'severe' and 584 (60%) as having 'moderate' RSV disease. On multivariable analyses, age <2 months (OR: 2.3, 95% CI 1.6 to 3.3, p<0.0001), prematurity (OR: 1.6, 95% CI 1.1 to 2.4, p=0.02) and RSV-parainfluenza virus type 3 (PIV3) codetection (OR: 2.6, 95% CI 1.05 to 6.5, p=0.04) were independently associated with severe disease. CONCLUSION Younger age, prematurity and PIV3 codetection were associated with severe RSV disease in children <2 years of age hospitalised with RSV infection. The association between PIV3 and severe RSV disease is a novel finding and warrants further investigation.
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Affiliation(s)
- Jeremy Anderson
- Infection and Immunity, Murdoch Children's Research Institute, Parkville, Victoria, Australia .,Department of Paediatrics, The University of Melbourne - Parkville Campus, Melbourne, Victoria, Australia
| | - Michelle Oeum
- Infection and Immunity, Murdoch Children's Research Institute, Parkville, Victoria, Australia
| | - Eva Verkolf
- Erasmus University Rotterdam, Rotterdam, The Netherlands
| | - Paul V Licciardi
- Infection and Immunity, Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Paediatrics, The University of Melbourne - Parkville Campus, Melbourne, Victoria, Australia
| | - Kim Mulholland
- Infection and Immunity, Murdoch Children's Research Institute, Parkville, Victoria, Australia.,London School of Hygiene & Tropical Medicine, London, UK
| | - Cattram Nguyen
- The University of Melbourne Faculty of Medicine, Dentistry and Health Sciences, Melbourne, Victoria, Australia
| | - Kim Chow
- Department of Paediatrics, The University of Melbourne - Parkville Campus, Melbourne, Victoria, Australia
| | - Gregory Waller
- The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Anna-Maria Costa
- The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Andrew Daley
- Microbiology and Infection Control, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Nigel W Crawford
- General Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Franz E Babl
- Emergency Department, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Trevor Duke
- Intensive Care Unit and Department of Paediatrics, The Royal Children's Hospital Melbourne, University of Melbourne, Parkville, Victoria, Australia
| | - Lien Anh Ha Do
- Infection and Immunity, Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Paediatrics, The University of Melbourne - Parkville Campus, Melbourne, Victoria, Australia
| | - Danielle Wurzel
- Infection and Immunity, Murdoch Children's Research Institute, Parkville, Victoria, Australia.,Department of Respiratory and Sleep Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia.,Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
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Abstract
OBJECTIVES To derive and internally validate a bronchiolitis-specific illness severity score (the Critical Bronchiolitis Score) that out-performs mortality-based illness severity scores (e.g., Pediatric Risk of Mortality) in measuring expected duration of respiratory support and PICU length of stay for critically ill children with bronchiolitis. DESIGN Retrospective database study using the Virtual Pediatric Systems (VPS, LLC; Los Angeles, CA) database. SETTING One-hundred twenty-eight North-American PICUs. PATIENTS Fourteen-thousand four-hundred seven children less than 2 years old admitted to a contributing PICU with primary diagnosis of bronchiolitis and use of ICU-level respiratory support (defined as high-flow nasal cannula, noninvasive ventilation, invasive mechanical ventilation, or negative pressure ventilation) at 12 hours after PICU admission. INTERVENTIONS Patient-level variables available at 12 hours from PICU admission, duration of ICU-level respiratory support, and PICU length of stay data were extracted for analysis. After randomly dividing the cohort into derivation and validation groups, patient-level variables that were significantly associated with the study outcomes were selected in a stepwise backward fashion for inclusion in the final score. Score performance in the validation cohort was assessed using root mean squared error and mean absolute error, and performance was compared with that of existing PICU illness severity scores. MEASUREMENTS AND MAIN RESULTS Twelve commonly available patient-level variables were included in the Critical Bronchiolitis Score. Outcomes calculated with the score were similar to actual outcomes in the validation cohort. The Critical Bronchiolitis Score demonstrated a statistically significantly stronger association with duration of ICU-level respiratory support and PICU length of stay than mortality-based scores as measured by root mean squared error and mean absolute error. CONCLUSIONS The Critical Bronchiolitis Score performed better than PICU mortality-based scores in measuring expected duration of ICU-level respiratory support and ICU length of stay. This score may have utility to enrich interventional trials and adjust for illness severity in observational studies in this very common PICU condition.
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10
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Butel T, Angoulvant F, Filipovic-Pierucci A, Milcent K, Teglas JP, Bellêttre X, Claudet I, Gras-le Guen C, de Pontual L, Minodier P, Dubos F, Brouard J, Soussan-Banini V, Degas-Bussiere V, Gatin A, Schweitzer C, Epaud R, Ryckewaert A, Cros P, Marot Y, Flahaut P, Saunier P, Babe P, Patteau G, Delebarre M, Titomanlio L, Vrignaud B, Trieu TV, Tahir A, Regnard D, Micheau P, Charara O, Henry S, Ploin D, Panjo H, Vabret A, Bouyer J, Durand-Zaleski I, Gajdos V. Clinical course and cost assessment of infants with a first episode of acute bronchiolitis presenting to the emergency department: Data from the GUERANDE clinical trial. Pediatr Pulmonol 2021; 56:3802-3812. [PMID: 34516722 DOI: 10.1002/ppul.25621] [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: 11/12/2020] [Revised: 07/15/2021] [Accepted: 07/15/2021] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Bronchiolitis is the leading cause of hospitalization for infants but its economic burden is not well documented. Our objective was to describe the clinical evolution and to assess the 1-month cost of a first episode of acute bronchiolitis presenting to the emergency department (ED). METHODS Our study was an epidemiologic analysis and a cost study of the cohort drawn from the clinical trial GUERANDE, conducted in 24 French pediatric EDs. Infants of 6 weeks to 12 months of age presenting at pediatric EDs with a first episode of bronchiolitis were eligible. The costs considered were collected from a societal viewpoint, according to the recommendations of the French National Health Authority. RESULTS A total of 777 infants were included with a median age of 4 months. A total of 57% were hospitalized during the month following the first consultation in the ED, including 28 (3.6%) in an intensive care unit. The mean length of stay was 4.2 days (SD = 3.7). The average time to relief of all symptoms was 13 days (SD = 7). Average total cost per patient was €1919 (95% confidence interval: 1756-2138) from a societal perspective, mostly due to hospitalization cost. The estimated annual cost of bronchiolitis in infants was evaluated to be between €160 and €273 million in France. DISCUSSION Bronchiolitis represent a high cost for the health care system and broadly for society, with hospitalizations costs being the main cost driver. Thus significant investments should be made to develop innovative therapies, to reduce the number of hospitalizations and length of stay.
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Affiliation(s)
- Thibault Butel
- The Clinical Research Unit of Health Economics, APHP, Paris, France
| | - François Angoulvant
- Department of Pediatric Emergency, The Necker-Enfants Malades University Hospital, APHP, Paris, France
| | | | - Karen Milcent
- Department of Pediatric Emergency, Antoine Béclère University Hospital, APHP, Clamart, France.,CESP Centre for Research in Epidemiology and Population Health, INSERM U1018, Villejuif, France
| | - Jean-Paul Teglas
- CESP Centre for Research in Epidemiology and Population Health, INSERM U1018, Villejuif, France
| | - Xavier Bellêttre
- Department of Pediatric Emergency, Robert Debré University Hospital, APHP, Paris, France
| | - Isabelle Claudet
- Department of Pediatric Emergency, Toulouse University Hospital, Toulouse, France
| | | | - Loïc de Pontual
- Department of Pediatric Emergency, Jean Verdier University Hospital, APHP, Bondy, France
| | - Philippe Minodier
- Department of Pediatric Emergency, Marseille Nord University Hospital, APHM, Marseille, France
| | - François Dubos
- Department of Pediatric Emergency, Lille University Hospital, Lille, France
| | - Jacques Brouard
- Department of Pediatric Emergency, Caen University Hospital, Caen, France
| | - Valérie Soussan-Banini
- Department of Pediatric Emergency, Ambroise Paré University Hospital, APHP, Boulogne-Billancourt, France
| | | | - Amélie Gatin
- Department of Pediatric Emergency, Nancy University Hospital, Nancy, France
| | - Cyril Schweitzer
- Department of Pediatric Emergency, Nancy University Hospital, Nancy, France
| | - Ralph Epaud
- Department of Pediatric Emergency, Creteil Intercommunal Hospital, Creteil, France
| | - Amélie Ryckewaert
- Department of Pediatric Emergency, Rennes University Hospital, Rennes, France
| | - Pierrick Cros
- Department of Pediatric Emergency, Brest University Hospital, Brest, France
| | - Yves Marot
- Department of Pediatric Emergency, Tours University Hospital, Tours, France
| | - Philippe Flahaut
- Department of Pediatric Emergency, Rouen University Hospital, Rouen, France
| | - Pascal Saunier
- Department of Pediatric Emergency, Fontainebleau Hospital, Fontainebleau, France
| | - Philippe Babe
- Pediatric Emergency Department, Lenval University Hospital, Nice, France
| | - Géraldine Patteau
- Department of Pediatric Emergency, The Necker-Enfants Malades University Hospital, APHP, Paris, France
| | - Mathilde Delebarre
- Department of Pediatric Emergency, Lille University Hospital, Lille, France
| | - Luigi Titomanlio
- Department of Pediatric Emergency, Robert Debré University Hospital, APHP, Paris, France
| | - Bénédicte Vrignaud
- Department of Pediatric Emergency, Nantes University Hospital, Nantes, France
| | - Thanh-Van Trieu
- Department of Pediatric Emergency, Jean Verdier University Hospital, APHP, Bondy, France
| | - Abdelilah Tahir
- Department of Pediatric Emergency, Limoges University Hospital, Limoges, France
| | - Delphine Regnard
- Department of Pediatric Emergency, Bicêtre University Hospital, APHP, Kremlin-Bicêtre, France
| | - Pascale Micheau
- Department of Pediatric Emergency, Toulouse University Hospital, Toulouse, France
| | - Oussama Charara
- Department of Pediatric Emergency, André Mignot Hospital, Le Chesnay, France
| | - Simon Henry
- Department of Pediatric Emergency, Laennec Hospital, Quimper, France
| | - Dominique Ploin
- Department of Pediatric Emergency, Mother Child University Hospital, HCL, Bron, France
| | - Henri Panjo
- CESP Centre for Research in Epidemiology and Population Health, INSERM U1018, Villejuif, France
| | - Astrid Vabret
- Department of Pediatric Emergency, Caen University Hospital, Caen, France
| | - Jean Bouyer
- CESP Centre for Research in Epidemiology and Population Health, INSERM U1018, Villejuif, France
| | | | - Vincent Gajdos
- Department of Pediatric Emergency, Antoine Béclère University Hospital, APHP, Clamart, France.,CESP Centre for Research in Epidemiology and Population Health, INSERM U1018, Villejuif, France
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11
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Garegnani L, Styrmisdóttir L, Roson Rodriguez P, Escobar Liquitay CM, Esteban I, Franco JV. Palivizumab for preventing severe respiratory syncytial virus (RSV) infection in children. Cochrane Database Syst Rev 2021; 11:CD013757. [PMID: 34783356 PMCID: PMC8594174 DOI: 10.1002/14651858.cd013757.pub2] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND Respiratory viruses are the leading cause of lower respiratory tract infection (LRTI) and hospitalisation in infants and young children. Respiratory syncytial virus (RSV) is the main infectious agent in this population. Palivizumab is administered intramuscularly every month during five months in the first RSV season to prevent serious RSV LRTI in children. Given its high cost, it is essential to know if palivizumab continues to be effective in preventing severe RSV disease in children. OBJECTIVES To assess the effects of palivizumab for preventing severe RSV infection in children. SEARCH METHODS We searched CENTRAL, MEDLINE, three other databases and two trials registers to 14 October 2021, together with reference checking, citation searching and contact with study authors to identify additional studies. We searched Embase to October 2020, as we did not have access to this database for 2021. SELECTION CRITERIA We included randomised controlled trials (RCTs), including cluster-RCTs, comparing palivizumab given at a dose of 15 mg/kg once a month (maximum five doses) with placebo, no intervention or standard care in children 0 to 24 months of age from both genders, regardless of RSV infection history. DATA COLLECTION AND ANALYSIS: We used Cochrane's Screen4Me workflow to help assess the search results. Two review authors screened studies for selection, assessed risk of bias and extracted data. We used standard Cochrane methods. We used GRADE to assess the certainty of the evidence. The primary outcomes were hospitalisation due to RSV infection, all-cause mortality and adverse events. Secondary outcomes were hospitalisation due to respiratory-related illness, length of hospital stay, RSV infection, number of wheezing days, days of supplemental oxygen, intensive care unit length of stay and mechanical ventilation days. MAIN RESULTS We included five studies with a total of 3343 participants. All studies were parallel RCTs, assessing the effects of 15 mg/kg of palivizumab every month up to five months compared to placebo or no intervention in an outpatient setting, although one study also included hospitalised infants. Most of the included studies were conducted in children with a high risk of RSV infection due to comorbidities like bronchopulmonary dysplasia and congenital heart disease. The risk of bias of outcomes across all studies was similar and predominately low. Palivizumab reduces hospitalisation due to RSV infection at two years' follow-up (risk ratio (RR) 0.44, 95% confidence interval (CI) 0.30 to 0.64; 5 studies, 3343 participants; high certainty evidence). Based on 98 hospitalisations per 1000 participants in the placebo group, this corresponds to 43 (29 to 62) per 1000 participants in the palivizumab group. Palivizumab probably results in little to no difference in mortality at two years' follow-up (RR 0.69, 95% CI 0.42 to 1.15; 5 studies, 3343 participants; moderate certainty evidence). Based on 23 deaths per 1000 participants in the placebo group, this corresponds to 16 (10 to 27) per 1000 participants in the palivizumab group. Palivizumab probably results in little to no difference in adverse events at 150 days' follow-up (RR 1.09, 95% CI 0.85 to 1.39; 3 studies, 2831 participants; moderate certainty evidence). Based on 84 cases per 1000 participants in the placebo group, this corresponds to 91 (71 to 117) per 1000 participants in the palivizumab group. Palivizumab probably results in a slight reduction in hospitalisation due to respiratory-related illness at two years' follow-up (RR 0.78, 95% CI 0.62 to 0.97; 5 studies, 3343 participants; moderate certainty evidence). Palivizumab may result in a large reduction in RSV infection at two years' follow-up (RR 0.33, 95% CI 0.20 to 0.55; 3 studies, 554 participants; low certainty evidence). Based on 195 cases of RSV infection per 1000 participants in the placebo group, this corresponds to 64 (39 to 107) per 1000 participants in the palivizumab group. Palivizumab also reduces the number of wheezing days at one year's follow-up (RR 0.39, 95% CI 0.35 to 0.44; 1 study, 429 participants; high certainty evidence). AUTHORS' CONCLUSIONS The available evidence suggests that prophylaxis with palivizumab reduces hospitalisation due to RSV infection and results in little to no difference in mortality or adverse events. Moreover, palivizumab results in a slight reduction in hospitalisation due to respiratory-related illness and may result in a large reduction in RSV infections. Palivizumab also reduces the number of wheezing days. These results may be applicable to children with a high risk of RSV infection due to comorbidities. Further research is needed to establish the effect of palivizumab on children with other comorbidities known as risk factors for severe RSV disease (e.g. immune deficiencies) and other social determinants of the disease, including children living in low- and middle-income countries, tropical regions, children lacking breastfeeding, living in poverty, or members of families in overcrowded situations.
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Affiliation(s)
- Luis Garegnani
- Associate Cochrane Centre, Instituto Universitario Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | | | - Pablo Roson Rodriguez
- Research Department, Instituto Universitario Hospital Italiano, Buenos Aires, Argentina
| | | | - Ignacio Esteban
- Fundación INFANT, Buenos Aires, Argentina
- Pediatric Stepdown Unit, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Juan Va Franco
- Associate Cochrane Centre, Instituto Universitario Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
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12
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Risk Factors Associated with Mechanical Ventilation in Critical Bronchiolitis. CHILDREN 2021; 8:children8111035. [PMID: 34828749 PMCID: PMC8618830 DOI: 10.3390/children8111035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/06/2021] [Accepted: 11/09/2021] [Indexed: 11/17/2022]
Abstract
The American Academy of Pediatrics (AAP) recommends supportive care for the management of bronchiolitis. However, patients admitted to the intensive care unit with severe (critical) bronchiolitis define a unique group with varying needs for both non-invasive and invasive respiratory support. Currently, no guidance exists to help clinicians discern who will progress to invasive mechanical support. Here, we sought to identify key clinical features that distinguish pediatric patients with critical bronchiolitis requiring invasive mechanical ventilation from those that did not. We conducted a retrospective cohort study at a tertiary pediatric medical center. Children ≤2 years old admitted to the pediatric intensive care unit (PICU) from January 2015 to December 2019 with acute bronchiolitis were studied. Patients were divided into non-invasive respiratory support (NRS) and invasive mechanical ventilation (IMV) groups; the IMV group was further subdivided depending on timing of intubation relative to PICU admission. Of the 573 qualifying patients, 133 (23%) required invasive mechanical ventilation. Median age and weight were lower in the IMV group, while incidence of prematurity and pre-existing neurologic or genetic conditions were higher compared to the NRS group. Multi-microbial pneumonias were diagnosed more commonly in the IMV group, in turn associated with higher severity of illness scores, longer PICU lengths of stay, and more antibiotic usage. Within the IMV group, those intubated earlier had a shorter duration of mechanical ventilation and PICU length of stay, associated with lower pathogen load and, in turn, shorter antibiotic duration. Taken together, our data reveal that critically ill patients with bronchiolitis who require mechanical ventilation possess high risk features, including younger age, history of prematurity, neurologic or genetic co-morbidities, and a propensity for multi-microbial infections.
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13
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Wrotek A, Kobiałka M, Jackowska T. Capillary Blood Gas Predicts Risk of Intensive Care in Children with Bronchiolitis. CHILDREN-BASEL 2021; 8:children8080719. [PMID: 34438610 PMCID: PMC8393950 DOI: 10.3390/children8080719] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/18/2021] [Accepted: 08/21/2021] [Indexed: 11/16/2022]
Abstract
Background: Bronchiolitis may result in respiratory failure diagnosed with arterial blood gas (ABG). ABG is not routinely performed in general paediatric wards but is closely reflected by capillary blood gas (CBG). We sought to assess the usefulness of CBG results in prediction of intensive care unit (ICU) transfer, antibiotic treatment, and length of stay in children hospitalized due to bronchiolitis. Methods: The optimal cutoff values were estimated with an ROC analysis, while a multiple regression model calculated the odds of an ICU transfer, prolonged hospitalization, and antibiotic treatment related with hypercapnia (pCO2 ≥ 45 mmHg) and acidosis (pH ≤ 7.35). The correlation between the CBG (pH, pCO2, and SatO2) and the clinical/laboratory parameters (breath rate, heart rate, pulse oximetry, white blood cells, CRP, and procalcitonin) was calculated. Results: The CBG was performed in 485 children aged 8 days–22 months (median 2 months). The pCO2 was significantly higher in ICU transferred patients (median 44.8 mmHg vs. 36.2 mmHg, p < 0.01), and showed AUC = 0.773, (95% CI: 0.638–0.907, p < 0.01) for ICU transfer (67% sensitivity, 82% specificity, 10.8% positive and 98.7% negative predictive value at cutoff 41.8 mmHg). Hypercapnia (OR = 6.63, 95% CI: 2.15–20.46, p < 0.01) and acidosis (OR = 5.01, 95% CI: 1.26–19.9, p = 0.022) predicted the ICU transfer independently. The CBG parameters were not related to prolonged hospitalization or antibiotic treatment, and showed only a weak and clinically irrelevant correlation with other laboratory and clinical parameters. Conclusions: Acidosis and hypercapnia indicate patients at risk of an ICU transfer, and the pCO2 levels (including values lower than hypercapnia) seem to be a promising marker in ICU risk assessment.
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Affiliation(s)
- August Wrotek
- Department of Pediatrics, Centre of Postgraduate Medical Education, Marymoncka 99/103, 01-813 Warsaw, Poland;
- Department of Pediatrics, Bielanski Hospital, Cegłowska 80, 01-809 Warsaw, Poland
- Correspondence: (A.W.); (T.J.)
| | - Małgorzata Kobiałka
- Department of Pediatrics, Centre of Postgraduate Medical Education, Marymoncka 99/103, 01-813 Warsaw, Poland;
- Department of Pediatrics, Bielanski Hospital, Cegłowska 80, 01-809 Warsaw, Poland
| | - Teresa Jackowska
- Department of Pediatrics, Centre of Postgraduate Medical Education, Marymoncka 99/103, 01-813 Warsaw, Poland;
- Department of Pediatrics, Bielanski Hospital, Cegłowska 80, 01-809 Warsaw, Poland
- Correspondence: (A.W.); (T.J.)
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14
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Mitchell HK, Reddy A, Perry MA, Gathers CA, Fowler JC, Yehya N. Racial, ethnic, and socioeconomic disparities in paediatric critical care in the USA. THE LANCET CHILD & ADOLESCENT HEALTH 2021; 5:739-750. [PMID: 34370979 DOI: 10.1016/s2352-4642(21)00161-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 11/17/2022]
Abstract
In an era of tremendous medical advancements, it is important to characterise and address inequities in the provision of health care and in outcomes. There is a large body of evidence describing such disparities by race or ethnicity and socioeconomic position in critically ill adults; however, this important issue has received less attention in children and adolescents (aged ≤21 years). This Review presents a summary of the available evidence on disparities in outcomes in paediatric critical illness in the USA as a result of racism and socioeconomic privilege. The majority of evidence of racial and socioeconomic disparities in paediatric critical care originates from the USA and is retrospective, with only one prospective intervention-based study. Although there is mixed evidence of disparities by race or ethnicity and socioeconomic position in general paediatric intensive care unit admissions and outcomes in the USA, there are striking trends within some disease processes. Notably, there is evidence of disparities in management and outcomes for out-of-hospital cardiac arrest, asthma, severe trauma, sepsis, and oncology, and in families' perceptions of care. Furthermore, there is clear evidence that critical care research is limited by under-enrolment of participants from minority race or ethnicity groups. We advocate for rigorous research standards and increases in the recruitment and enrolment of a diverse range of participants in paediatric critical care research to better understand the disparities observed, including the effects of racism and poverty. A clearer understanding of when, where, and how such disparities affect patients will better enable the development of effective strategies to inform practice, interventions, and policy.
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Affiliation(s)
- Hannah K Mitchell
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA, USA.
| | - Anireddy Reddy
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Leonard Davis Institute of Health Economics, University of Pennsylvania, PA, USA
| | - Mallory A Perry
- Research Institute, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Cody-Aaron Gathers
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Jessica C Fowler
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Nadir Yehya
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA; Leonard Davis Institute of Health Economics, University of Pennsylvania, PA, USA
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15
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Vo AT, Liu DR, Schmidt AR, Festekjian A. Capillary blood gas in infants with bronchiolitis: Can end-tidal capnography replace it? Am J Emerg Med 2021; 45:144-148. [PMID: 33915447 DOI: 10.1016/j.ajem.2021.04.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/15/2021] [Accepted: 04/19/2021] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVES To explore the predictive ability of capillary blood gas (CBG) pCO2 for respiratory decompensation in infants aged ≤6 months with bronchiolitis admitted from the emergency department; to determine whether end-tidal CO2 (etCO2) capnography can serve as a less invasive substitute for CBG pCO2. STUDY DESIGN This was a prospective cohort study of previously healthy infants aged ≤6 months admitted for bronchiolitis from the emergency department (ED). Initial CBG pCO2 and etCO2 capnography were obtained in the ED prior to inpatient admission. Simple logistic regression modeling was used to examine the associations of CBG pCO2 and etCO2 capnography with respiratory decompensation. Pearson's correlation measured the relationship between CBG pCO2 and etCO2 capnography. RESULTS Of 134 patients, 61 had respiratory decompensation. There was a significant association between CBG pCO2 and respiratory decompensation (OR = 1.07, p = 0.003), even after outlying values were excluded (OR = 1.06, p = 0.005). End tidal CO2 capnography was not significantly associated with decompensation (OR = 1.02, p = 0.17), even after outlying values were excluded (OR = 1.02, p = 0.24). There was a moderate correlation between etCO2 capnography and CBG pCO2 (r = 0.39, p < 0.001). CONCLUSION In infants with bronchiolitis, CBG pCO2 provides an objective measure for predicting respiratory decompensation, and a single etCO2 measurement should not replace its use.
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Affiliation(s)
- Andrea T Vo
- Department of Pediatrics, Division of Emergency and Transport Medicine, Children's Hospital Los Angeles, 4650 Sunset Blvd MS#113, LA, California 90027, USA.
| | - Deborah R Liu
- Department of Pediatrics, Division of Emergency and Transport Medicine, Children's Hospital Los Angeles, 4650 Sunset Blvd MS#113, LA, California 90027, USA.
| | - Anita R Schmidt
- Department of Pediatrics, Division of Emergency and Transport Medicine, Children's Hospital Los Angeles, 4650 Sunset Blvd MS#113, LA, California 90027, USA.
| | - Ara Festekjian
- Department of Pediatrics, Division of Emergency and Transport Medicine, Children's Hospital Los Angeles, 4650 Sunset Blvd MS#113, LA, California 90027, USA.
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16
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Kumar SPS, Jain S. Effect of Obesity on Asthma Severity in Urban School Children of Kanpur, India: An Analytical Cross-Sectional Study. J Community Health 2021; 45:342-347. [PMID: 31549356 DOI: 10.1007/s10900-019-00749-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The prevalence of both Obesity and Asthma is increasing worldwide. Various epidemiological data has linked obesity with the development and severity of asthma in children. The aim of this study was to assess if any relationship exists between obesity and asthma in children. The study population included school children aged 5 to 18 years. A total of 320 asthma cases and 300 controls were included in our study. Association analysis of obesity and asthma based on epidemiological basis was measured. Out of 320 cases, 61 children were found to have moderate persistent asthma. Out of 61 moderate persistent asthma cases, 50 children were selected randomly and divided into two groups. Group I included 25 obese moderate persistent asthmatics and Group II included 25 non-obese moderate persistent asthmatics. Forced expiratory volume in one second (FEV1), Forced vital capacity (FVC), Forced expiratory flow (FEF25-75%), Peak expiratory flow (PEF) were measured with spirometry and Peak expiratory flow meter. Statistical analysis was done by Odds ratio and p value. Out of 320 cases, 97 were obese and 223 were non-obese. Out of 300 controls, 46 were obese and 254 were non-obese. Exposure rate for cases and controls were 30.31% and 15.33% respectively. Odds ratio was 2.40. χ2 value was 19.56 with p value < 0.05.FEV1, FVC, FEF25-75%, PEF for Group-1 were 66.3 ± 9.9, 63.5 ± 4.2, 54.2 ± 5.7, 67.4 ± 8.4 respectively and FEV1, FVC, FEF25-75%, PEF for Group-2 were 74.07 ± 3.5, 77.4 ± 7.2, 60.1 ± 2.1, 71.6 ± 2.4 respectively and p values were < 0.001, < 0.001, < 0.001, < 0.05 respectively which is statistically significant. Children who are obese are more likely to develop severe asthma than those who were not obese.
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Affiliation(s)
| | - Shalu Jain
- Femiint Health Care, Whitefield, Bengaluru, Karnataka, India
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17
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Update on the Role of High-Flow Nasal Cannula in Infants with Bronchiolitis. CHILDREN-BASEL 2021; 8:children8020066. [PMID: 33498527 PMCID: PMC7909574 DOI: 10.3390/children8020066] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/13/2021] [Accepted: 01/15/2021] [Indexed: 11/17/2022]
Abstract
Bronchiolitis (BR), a lower respiratory tract infection mainly caused by respiratory syncytial virus (RSV), can be very severe. Presently, adequate nutritional support and oxygen therapy remain the only interventions recommended to treat patients with BR. For years, mild BR cases were treated with noninvasive standard oxygen therapy (SOT), i.e., with cold and poorly or totally non-humidified oxygen delivered by an ambient headbox or low-flow nasal cannula. Children with severe disease were intubated and treated with invasive mechanical ventilation (IMV). To improve SOT and overcome the disadvantages of IMV, new measures of noninvasive and more efficient oxygen administration have been studied. Bi-level positive air way pressure (BiPAP), continuous positive airway pressure (CPAP), and high-flow nasal cannula (HFNC) are among them. For its simplicity, good tolerability and safety, and the good results reported in clinical studies, HFNC has become increasingly popular and is now widely used. However, consistent guidelines for initiation and discontinuation of HFNC are lacking. In this narrative review, the role of HFNC to treat infants with BR is discussed. An analysis of the literature showed that, despite its widespread use, the role of HFNC in preventing respiratory failure in children with BR is not precisely defined. It is not established whether it can offer greater benefits compared to SOT and when and in which infants it can replace CPAP or BiPAP. The analysis of the results clearly indicates the need for multicenter studies and official guidelines. In the meantime, HFNC can be considered a safe and effective method to treat children with mild to moderate BR who do not respond to SOT.
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18
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Clinical factors associated with intubation in the high flow nasal cannula era. Am J Emerg Med 2020; 38:2500-2505. [DOI: 10.1016/j.ajem.2019.12.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 12/06/2019] [Accepted: 12/07/2019] [Indexed: 11/17/2022] Open
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19
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Palivizumab for preventing respiratory syncytial virus (RSV) infection in children. Hippokratia 2020. [DOI: 10.1002/14651858.cd013757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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20
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Raita Y, Camargo CA, Macias CG, Mansbach JM, Piedra PA, Porter SC, Teach SJ, Hasegawa K. Machine learning-based prediction of acute severity in infants hospitalized for bronchiolitis: a multicenter prospective study. Sci Rep 2020; 10:10979. [PMID: 32620819 PMCID: PMC7335203 DOI: 10.1038/s41598-020-67629-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 05/11/2020] [Indexed: 11/16/2022] Open
Abstract
We aimed to develop machine learning models to accurately predict bronchiolitis severity, and to compare their predictive performance with a conventional scoring (reference) model. In a 17-center prospective study of infants (aged < 1 year) hospitalized for bronchiolitis, by using routinely-available pre-hospitalization data as predictors, we developed four machine learning models: Lasso regression, elastic net regression, random forest, and gradient boosted decision tree. We compared their predictive performance-e.g., area-under-the-curve (AUC), sensitivity, specificity, and net benefit (decision curves)-using a cross-validation method, with that of the reference model. The outcomes were positive pressure ventilation use and intensive treatment (admission to intensive care unit and/or positive pressure ventilation use). Of 1,016 infants, 5.4% underwent positive pressure ventilation and 16.0% had intensive treatment. For the positive pressure ventilation outcome, machine learning models outperformed reference model (e.g., AUC 0.88 [95% CI 0.84-0.93] in gradient boosted decision tree vs 0.62 [95% CI 0.53-0.70] in reference model), with higher sensitivity (0.89 [95% CI 0.80-0.96] vs. 0.62 [95% CI 0.49-0.75]) and specificity (0.77 [95% CI 0.75-0.80] vs. 0.57 [95% CI 0.54-0.60]). The machine learning models also achieved a greater net benefit over ranges of clinical thresholds. Machine learning models consistently demonstrated a superior ability to predict acute severity and achieved greater net benefit.
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Affiliation(s)
- Yoshihiko Raita
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, 02114-1101, USA.
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, 02114-1101, USA
| | - Charles G Macias
- Department of Pediatric Emergency Medicine, Rainbow Babies and Children's Hospital, Cleveland, OH, USA
| | - Jonathan M Mansbach
- Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Pedro A Piedra
- Departments of Molecular Virology and Microbiology and Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Stephen C Porter
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, USA
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Stephen J Teach
- Division of Emergency Medicine and Department of Pediatrics, Children's National Health System, Washington, DC, USA
| | - Kohei Hasegawa
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, 02114-1101, USA
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21
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Boyle TP, Macias CG, Wu S, Holmstrom S, Truschel LL, Espinola JA, Sullivan AF, Camargo CA. Characterizing Avoidable Transfer Admissions in Infants Hospitalized for Bronchiolitis. Hosp Pediatr 2020; 10:415-423. [PMID: 32269075 PMCID: PMC7187394 DOI: 10.1542/hpeds.2019-0226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVES The appropriateness of interfacility transfer admissions for bronchiolitis to pediatric centers is uncertain. We characterized avoidable transfer admissions for bronchiolitis. We hypothesized that a higher proportion of hospitalized infants transferred from a community emergency department (ED) or hospital (transfer admission) would be discharged within 48 hours with little or no intervention, compared with direct admissions from an enrolling ED (nontransfer admission). METHODS We analyzed a 17-center, prospective infant cohort (age <1 year) hospitalized for bronchiolitis (2011-2014). An avoidable transfer admission (primary outcome) was hospitalization for <48 hours without an intervention for severe illness in which a pediatric specialist could be beneficial (oxygen, advanced airway management, life support). Parenteral fluids and routine medications were excluded. We compared admissions by patient, ED, inpatient, and transferring hospital characteristics to identify factors associated with avoidable transfer admissions. Multivariable logistic regression was used to identify predictors of avoidable transfer admission. RESULTS Among 1007 infants, 558 (55%) were nontransfer admissions, 164 (16%) were transfer admissions, and 204 (20%) were referrals from clinics; 81 (8%) were missing referral type. Significantly fewer transferred infants were hospitalized for <48 hours with little or no intervention (40 of 164; 24% [95% confidence interval 18%-32%]) than nontransferred infants (199 of 558; 36% [95% confidence interval 32%-40%]; P = .007). Avoidable transfer admissions were more likely to be children of color, have nonprivate insurance, receive fewer ED interventions, and originate from small EDs. A multivariable model revealed that minority race and/or ethnicity, normal oxygenation, and small ED transfers increased odds of avoidable transfer admission. CONCLUSIONS Although most transferred infants hospitalized for bronchiolitis required interventions for severe illness, 1 in 4 admissions were potentially avoidable.
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Affiliation(s)
| | | | - Susan Wu
- Children's Hospital Los Angeles, Los Angeles, California
| | - Sara Holmstrom
- Boston Children's Hospital, Boston, Massachusetts
- Anne & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois; and
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Zheng DX, Mitri EJ, Garg V, Crifase CC, Sullivan AF, Espinola JA, Camargo CA. Socioeconomic Status and Bronchiolitis Severity Among Hospitalized Infants. Acad Pediatr 2020; 20:348-355. [PMID: 31254632 PMCID: PMC6930979 DOI: 10.1016/j.acap.2019.06.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 03/28/2019] [Accepted: 06/02/2019] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To investigate the relationship between socioeconomic factors and bronchiolitis severity among hospitalized infants. METHODS We performed a 17-center, prospective cohort study from 2011 to 2014. Children <1 year old hospitalized with bronchiolitis were enrolled. Socioeconomic factors included estimated median household income (MHI) per home ZIP code, parent-reported household income, number of adults and children in household, and insurance type. We defined higher bronchiolitis severity as receipt of intensive care treatment. Multivariable logistic regression was used to analyze the association between socioeconomic factors and bronchiolitis severity, with the final model adjusted for potential clustering by site. RESULTS In multivariable models adjusted for demographic and clinical characteristics, estimated MHI was the socioeconomic factor most strongly associated with severity. Compared to infants with an intermediate MHI ($40,000-$79,999), odds of receiving intensive care treatment were significantly higher for those with MHI of ≥$80,000 (aOR 2.05, 95% CI 1.19-3.53). No significant associations were found for the other socioeconomic factors (all P > .30). While there were no significant differences in clinical presentation between income groups (all P > .25) or in receipt of mechanical ventilation alone (P = .98), infants with estimated MHI ≥$80,000 were significantly more likely to specifically have been admitted to the intensive care unit (P = .01). CONCLUSIONS In this multicenter study of infants hospitalized with bronchiolitis, we identified higher median household income as a risk factor for intensive care treatment. This work may yield important biological or nonbiological insights for the future management of infants with bronchiolitis.
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Jaquet-Pilloud R, Verga ME, Russo M, Gehri M, Pauchard JY. Nebulised hypertonic saline in moderate-to-severe bronchiolitis: a randomised clinical trial. Arch Dis Child 2020; 105:236-240. [PMID: 31488402 DOI: 10.1136/archdischild-2019-317160] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To investigate whether nebulised hypertonic saline (HS) treatment would decrease length of hospital stay (LOS) among infants with moderate-to severe-bronchiolitis compared with standard supportive care (SC). METHODS We conducted an open, multicentre, randomised clinical trial from 1 April 2013 to 31 March 2016, in Swiss children's hospitals. Patients aged 6 weeks to 24 months with a primary diagnosis of moderate or severe bronchiolitis were included. Children with previous episodes of wheezing, cardiac disease, chronic respiratory disease, immunodeficiency, prematurity (gestational age <34 weeks), corticotherapy in the preceding 2 weeks or inhaled bronchodilators within 24 hours before presentation were excluded. Patients were randomised to receive standard SC with nebulisation of 4 mL of 3% sodium chloride every 6 hours versus SSC. Main outcomes and measures were LOS duration of oxygen therapy, transfer to intensive care unit (ICU), readmission within 7 days following discharge and adverse events. RESULTS 121 children were randomised. No statistically significant differences were found between treatment groups at baseline (age, Wang Score, atopic history, smoking exposure). Children in the HS group had a non-significant difference in length of stay -2.8 hours (-10; 16) compared with the SC group. There were no differences in oxygen therapy duration, transfer to ICU, readmission rate or adverse events. The intervention was discontinued at the parents' request in 16% of the cases. CONCLUSION Our study does not support the use of HS nebulisation in children with moderate to severe bronchiolitis. TRIAL REGISTRATION NUMBER NCT01812525.
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Affiliation(s)
- Raphaelle Jaquet-Pilloud
- Department of Medical and Surgical Pediatrics, University Hospital of Lausanne, Lausanne, Switzerland
| | - Marie-Elise Verga
- Department of Medical and Surgical Pediatrics, University Hospital of Lausanne, Lausanne, Switzerland
| | - Michel Russo
- Pediatrics & Neonatal Medicine Department Hospital, Sion, Valais, Switzerland
| | - Mario Gehri
- Department of Medical and Surgical Pediatrics, University Hospital of Lausanne, Lausanne, Switzerland
| | - Jean-Yves Pauchard
- Department of Medical and Surgical Pediatrics, University Hospital of Lausanne, Lausanne, Switzerland
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24
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Habra B, Janahi IA, Dauleh H, Chandra P, Veten A. A comparison between high-flow nasal cannula and noninvasive ventilation in the management of infants and young children with acute bronchiolitis in the PICU. Pediatr Pulmonol 2020; 55:455-461. [PMID: 31922360 DOI: 10.1002/ppul.24553] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 10/12/2019] [Indexed: 11/08/2022]
Abstract
BACKGROUND Different modalities of noninvasive respiratory support have been recommended for the management of acute bronchiolitis in the pediatric intensive care unit (PICU). High-flow nasal cannula (HFNC) is among the new modalities that have been widely used in the last decade. METHODS This is a retrospective study involving infants and young children between the ages of 1 month and 2 years during the respiratory season of 2016-2017 (October-May). We compared the failure rate of HFNC with the failure rates of bi-level positive airway pressure (BiPAP) vs continuous positive airway pressure (CPAP) in the management of acute bronchiolitis in the PICU. Failure was defined as a change to another respiratory support modality or endotracheal intubation and mechanical ventilation. RESULTS One hundred thirty-seven patients met the inclusion criteria, of which 77 patients needed HFNC, 10 needed CPAP, and 50 were on BiPAP. Among baseline characteristics, there were significant variations in age among the three groups. HFNC had a higher failure rate compared with the other two noninvasive ventilation modalities (50.6% for HFNC [n = 39 out of 77] vs 0% for CPAP [n = 0 out of 10] vs 8% for BiPAP [n = 4 out of 50], P < .01). Among the 39 patients who failed HFNC, 90% were successfully shifted to BiPAP and weaned off later, whereas the other 4 were intubated and required mechanical ventilation. However, all four patients who failed BiPAP were intubated and mechanically ventilated. No respiratory complications or mortalities were reported in the three groups. No differences were observed among the three groups in terms of the lengths of PICU or hospital stays. CONCLUSIONS We observed a higher failure rate of HFNC compared with BiPAP or CPAP in the management of infants and children with acute bronchiolitis in the PICU. Further prospective randomized trials are recommended to confirm this finding.
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Affiliation(s)
- Basel Habra
- Department of Pediatric Medicine, Hamad Medical Corporation, Doha, Qatar
| | - Ibrahim A Janahi
- Department of Pediatric Medicine, Hamad Medical Corporation, Doha, Qatar.,Department of Pediatric Medicine, Sidra Medicine, Doha, Qatar.,Weill Cornell Medicine, Doha, Qatar
| | - Hajer Dauleh
- Department of Pediatric Medicine, Hamad Medical Corporation, Doha, Qatar
| | - Prem Chandra
- Department of Pediatric Medicine, Hamad Medical Corporation, Doha, Qatar
| | - Ahmed Veten
- Department of Pediatric Medicine, Hamad Medical Corporation, Doha, Qatar
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25
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Ramos-Fernández JM, Hernández-Yuste A, Gutiérrez-Bedmar M, Cordón Martínez AM, Moreno-Pérez D. Does exposure of pregnant women to epidemic respiratory syncytial virus affect the severity of bronchiolitis? Enferm Infecc Microbiol Clin 2019; 37:251-255. [PMID: 30100097 DOI: 10.1016/j.eimc.2018.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 06/28/2018] [Accepted: 07/02/2018] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Passive transplacental immunity against respiratory syncytial virus (RSV) appears to mediate in the protection of the infant for the first 6 months of life. Lower environmental exposure in pregnant women to RSV epidemic may influence the susceptibility of these infants to infection by lowering the levels of antibodies that are transferred to the fetus. OBJECTIVES To contrast the risk of severe disease progression in infants with acute bronchiolitis by RSV, according to the mother's level of exposure to epidemic. METHOD Retrospective cohort study of previously healthy infants with RSV-acute bronchiolitis during 5 epidemics was made. We compared the severity of the infection in those born during the period of risk (when is less likely the mother's exposure to epidemic and the transfer of antibodies to the fetus: October 15th-December 15th in our latitude) with the rest of acute bronchiolitis. Bivariate analysis was performed regarding birth in period of risk and the rest of variables, using the Chi-square test. Multivariate logistic regression analysis was performed to study possible classical confounding factors. RESULTS 695 infants were included in the study. 356 infants were born during the period of risk. Of the 56 patients requiring admission to PICU, 40 of them (71.4%) were born in this period (p=0.002). In the multivariate analysis, the birth in the period of risk showed a 6.5 OR (95% CI: 2.13-19.7) independently of the rest of variables. CONCLUSIONS The worst clinical disease progression of the acute bronchiolitis by the RSV in less than 6 months age is related to lower exposure of the pregnant woman to the RSV epidemic.
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Affiliation(s)
| | | | - Mario Gutiérrez-Bedmar
- Departamento de Medicina Preventiva y Salud Pública, Facultad de Medicina, Universidad de Málaga, Spain
| | | | - David Moreno-Pérez
- Servicio de Pediatría, Unidad de enfermedades infecciosas, Hospital Materno-Infantil, IBIMA, Málaga, Spain; Departamento de Pediatría y Farmacología, Facultad de Medicina, Universidad de Málaga, Málaga, Spain
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26
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Vo P, Koppel C, Espinola JA, Mansbach JM, Celedón JC, Hasegawa K, Bair-Merritt M, Camargo CA. Vitamin D Status at the Time of Hospitalization for Bronchiolitis and Its Association with Disease Severity. J Pediatr 2018; 203:416-422.e1. [PMID: 30243543 DOI: 10.1016/j.jpeds.2018.07.097] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 06/27/2018] [Accepted: 07/27/2018] [Indexed: 12/21/2022]
Abstract
OBJECTIVE To investigate the association between circulating 25-hydroxyvitamin D [25(OH)D] status at admission and disease severity among infants hospitalized for bronchiolitis and to determine whether the association differs by the form of 25(OH)D-total, bioavailable or free 25(OH)D. STUDY DESIGN We conducted a 17-center prospective cohort study of 1016 US infants <12 months old hospitalized with bronchiolitis. Vitamin D status was defined by total 25(OH)D levels, and by calculated levels of bioavailable and free 25(OH)D. Bronchiolitis severity was defined by requirement for intensive care and hospital length-of-stay (LOS). Logistic and Poisson regression were used for unadjusted and multivariable analyses. RESULTS The median age of hospitalized infants was 3.2 months (IQR 1.6-6.0). The median total 25(OH)D was 26.5 ng/mL (IQR 18.0-33.1); 298 (29%) infants had total 25(OH)D <20 ng/mL. In multivariable models, infants with total 25(OH)D <20 ng/mL had higher risk of requiring intensive care (aOR 1.72, 95% CI 1.12-2.64) and longer LOS (adjusted rate ratio 1.39, 95% CI 1.17-1.65) compared with infants with total 25(OH)D ≥30 ng/mL. Infants with the lowest tertile of bioavailable 25(OH)D, compared with those with the highest tertile, had longer LOS (adjusted rate ratio 1.32, 95% CI 1.07-1.62); admission to the intensive care unit was not statistically significant in the adjusted model (aOR 1.39, 95% CI 0.96-2.64). Free 25(OH)D level was not associated with severity of bronchiolitis in either unadjusted or adjusted models. CONCLUSION In a large, multicenter cohort of US infants hospitalized for bronchiolitis, infants with total 25(OH)D <20 ng/mL had increased risk of intensive care and longer hospital LOS.
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Affiliation(s)
- Phuong Vo
- Department of Pediatrics, Boston Medical Center, Boston, MA.
| | - Claire Koppel
- Leiden University Medical Center, Leiden University, Leiden, The Netherlands
| | - Janice A Espinola
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Jonathan M Mansbach
- Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA
| | - Juan C Celedón
- Department of Pediatrics, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA
| | - Kohei Hasegawa
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | | | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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27
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Heikkilä P, Sokuri P, Mecklin M, Nuolivirta K, Tapiainen T, Peltoniemi O, Renko M, Korppi M. Using high-flow nasal cannulas for infants with bronchiolitis admitted to paediatric wards is safe and feasible. Acta Paediatr 2018; 107:1971-1976. [PMID: 29802651 DOI: 10.1111/apa.14421] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/08/2018] [Accepted: 05/23/2018] [Indexed: 12/17/2022]
Abstract
AIM Using a high-flow nasal cannula (HFNC) for infant bronchiolitis is increasingly common, but insufficiently studied. In this retrospective study, we examined the outcomes of HFNC and compared infants who did and did not respond to this oxygen delivery method. METHODS This 2012-2015 study of six Finnish hospitals focused on 88 infants under 12 months who received HFNC: 53 on paediatric wards and 35 in paediatric intensive care units (PICUs). We reviewed patient files for underlying factors, clinical parameters and HFNC treatment. The treatment failed if the patient was transferred to another respiratory support. RESULTS We found HFNC treatment was successful in 76 (86%) infants, including all 53 on the paediatric wards and 23/35 PICU patients. The responders' heart rates were significantly lower, and their oxygen saturation was significantly higher at 60 minutes after HFNC treatment started and then stayed relatively constant. Their respiratory rate was only significantly lower after 360 minutes. In non-responders, the respiratory rate initially decreased but was higher at 180 and 360 minutes after the start of HFNC. CONCLUSION We found preliminary evidence that oxygen support needs and heart rate were useful early predictors of HFNC therapy success in infants hospitalised with bronchiolitis, but respiratory rate was not.
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Affiliation(s)
- Paula Heikkilä
- Centre for Child Health Research; Tampere University and University Hospital; Tampere Finland
| | - Paula Sokuri
- Centre for Child Health Research; Tampere University and University Hospital; Tampere Finland
| | - Minna Mecklin
- Centre for Child Health Research; Tampere University and University Hospital; Tampere Finland
| | - Kirsi Nuolivirta
- Department of Paediatrics; Seinäjoki Central Hospital; Seinäjoki Finland
| | - Terhi Tapiainen
- Department of Paediatrics; PEDEGO Research Centre; Oulu University Hospital; Oulu University; Oulu Finland
| | - Outi Peltoniemi
- Department of Paediatrics; PEDEGO Research Centre; Oulu University Hospital; Oulu University; Oulu Finland
| | - Marjo Renko
- Centre for Child Health Research; Tampere University and University Hospital; Tampere Finland
- Department of Paediatrics; PEDEGO Research Centre; Oulu University Hospital; Oulu University; Oulu Finland
| | - Matti Korppi
- Centre for Child Health Research; Tampere University and University Hospital; Tampere Finland
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28
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Freire G, Kuppermann N, Zemek R, Plint AC, Babl FE, Dalziel SR, Freedman SB, Atenafu EG, Stephens D, Steele DW, Fernandes RM, Florin TA, Kharbanda A, Lyttle MD, Johnson DW, Schnadower D, Macias CG, Benito J, Schuh S. Predicting Escalated Care in Infants With Bronchiolitis. Pediatrics 2018; 142:peds.2017-4253. [PMID: 30126934 DOI: 10.1542/peds.2017-4253] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/21/2018] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Early risk stratification of infants with bronchiolitis receiving airway support is critical for focusing appropriate therapies, yet the tools to risk categorize this subpopulation do not exist. Our objective was to identify predictors of "escalated care" in bronchiolitis. We hypothesized there would be a significant association between escalated care and predictors in the emergency department. We subsequently developed a risk score for escalated care. METHODS We conducted a retrospective cohort study of previously healthy infants aged <12 months with bronchiolitis. Our primary outcome was escalated care (ie, hospitalization with high-flow nasal cannula, noninvasive or invasive ventilation, or intensive care admission). The predictors evaluated were age, prematurity, day of illness, poor feeding, dehydration, apnea, nasal flaring and/or grunting, respiratory rate, oxygen saturation, and retractions. RESULTS Of 2722 patients, 261 (9.6%) received escalated care. Multivariable predictors of escalated care were oxygen saturation <90% (odds ratio [OR]: 8.9 [95% confidence interval (CI) 5.1-15.7]), nasal flaring and/or grunting (OR: 3.8 [95% CI 2.6-5.4]), apnea (OR: 3.0 [95% CI 1.9-4.8]), retractions (OR: 3.0 [95% CI 1.6-5.7]), age ≤2 months (OR: 2.1 [95% CI 1.5-3.0]), dehydration (OR 2.1 [95% CI 1.4-3.3]), and poor feeding (OR: 1.9 [95% CI 1.3-2.7]). One of 217 (0.5%) infants without predictors received escalated care. The risk score ranged from 0 to 14 points, with the estimated risk of escalated care from 0.46% (0 points) to 96.9% (14 points). The area under the curve was 85%. CONCLUSIONS We identified variables measured in the emergency department predictive of escalated care in bronchiolitis and derived a risk score to stratify risk of this outcome. This score may be used to aid management and disposition decisions.
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Affiliation(s)
| | - Nathan Kuppermann
- Departments of Emergency Medicine and Pediatrics, School of Medicine, University of California, Davis, Sacramento, California
| | - Roger Zemek
- Division of Pediatric Emergency Medicine, University of Ottawa and Children's Hospital of Eastern Ontario, Ottawa, Canada
| | - Amy C Plint
- Division of Pediatric Emergency Medicine, University of Ottawa and Children's Hospital of Eastern Ontario, Ottawa, Canada
| | - Franz E Babl
- Emergency Department, Royal Children's Hospital, Murdoch Children's Research Institute, Parkville, Australia.,University of Melbourne, Melbourne, Australia
| | - Stuart R Dalziel
- Emergency Department, Starship Children's Hospital and the University of Auckland, Auckland, New Zealand
| | - Stephen B Freedman
- Sections of Pediatric Emergency Medicine and Gastroenterology, Alberta Children's Hospital, Departments of Pediatrics, Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary University, Calgary, Canada
| | - Eshetu G Atenafu
- Department of Biostatistics, Princess Margaret Cancer Centre, University of Toronto, Toronto, Canada
| | - Derek Stephens
- Research Institute, The Hospital for Sick Children, University of Toronto, Toronto, Canada
| | - Dale W Steele
- Department of Pediatric Emergency Medicine, Hasbro Children's Hospital and Departments of Emergency Medicine, Pediatrics, and Health Services, Policy, and Practice, Brown University, Providence, Rhode Island
| | - Ricardo M Fernandes
- Department of Pediatrics, Hospital de Santa Maria and Laboratory of Clinical Pharmacology and Therapeutics, Faculty of Medicine, Instituto de Medicina Molecular, University of Lisbon, Lisbon, Portugal
| | - Todd A Florin
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Anupam Kharbanda
- Department of Pediatric Emergency Medicine, Children's Hospital of Minnesota, Minneapolis, Minnesota
| | - Mark D Lyttle
- Emergency Department, Bristol Royal Hospital for Children and Faculty of Health and Applied Life Sciences, University of the West of England, Bristol, United Kingdom
| | - David W Johnson
- Sections of Pediatric Emergency Medicine, and Physiology and Pharmacology, Alberta Children's Hospital and Alberta Children's Hospital Research Institute, Cumming School of Medicine, Calgary University, Calgary, Canada
| | - David Schnadower
- Department of Pediatric Emergency Medicine, School of Medicine, Washington University in St Louis, St Louis, Missouri
| | - Charles G Macias
- Department of Pediatric Emergency Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas; and
| | - Javier Benito
- Pediatric Emergency Department, Cruces University Hospital, Barakaldo, Spain
| | - Suzanne Schuh
- Division of Pediatric Emergency Medicine, and .,Research Institute, The Hospital for Sick Children, University of Toronto, Toronto, Canada
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29
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Predictors of Critical Care and Mortality in Bronchiolitis after Emergency Department Discharge. J Pediatr 2018; 199:217-222.e1. [PMID: 29747934 DOI: 10.1016/j.jpeds.2018.04.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Revised: 04/03/2018] [Accepted: 04/06/2018] [Indexed: 12/28/2022]
Abstract
OBJECTIVES To identify the epidemiologic predictors and stratify the risk of critical care unit (CCU) admission or death in bronchiolitis following emergency department discharge. This information has not yet been explored. STUDY DESIGN A population-based cohort study using Ontario-wide demographic and healthcare databases linked at the individual level. We assessed all infants with bronchiolitis discharged home from all emergency departments in Ontario, Canada, 2003-2014. Targeted information included plausible demographic and clinical predictors of CCU admission/death within 14 days of emergency department discharge. Using multivariable logistic regression analyses, we identified independent predictors of this outcome and stratified the outcome risk by the type of multivariable predictor. RESULTS Of 34 270 study infants, 102 (0.3%) were admitted to CCU or died after discharge. Predictors of CCU admission/death were: comorbidities (OR 5.33; 95% CI 2.82-10.10), younger age [months] (OR 1.47; 95%CI 1.33-1.61), low income (OR 1.53; 95% CI 1.01-2.34), younger gestational age [weeks] (OR 1.14; 95%CI 1.06-1.22), and emergent presentation (Canadian Triage and Acuity Scale 2) at the index visit (OR 1.55, 95% CI 1.03-2.33). The absolute event risk of CCU admission/death in infants with versus without comorbidities were 1.5% versus 0.26%, respectively (P < .001). The odds of these outcomes in infants with comorbidities plus ≥2 other predictors were 25 times higher than in infants without predictors (OR 25.1, 95% CI 11.4-55.3). CONCLUSIONS Infants with comorbidities plus other predictors discharged from the emergency department with bronchiolitis are at considerable risk of subsequent CCU admission and death. These risk factors should augment current clinical and social considerations determining patient disposition.
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30
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Interactive effects of age and respiratory virus on severe lower respiratory infection. Epidemiol Infect 2018; 146:1861-1869. [PMID: 30047350 DOI: 10.1017/s0950268818002017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
We investigated risk factors for severe acute lower respiratory infections (ALRI) among hospitalised children 8 months were at greater risk from influenza-associated ICU admissions and long hospital stay. Children with ADV had increased LOS across all ages. In the first 2 years of life, the effects of different viruses on ALRI severity varies with age. Our findings help to identify specific ages that would most benefit from virus-specific interventions such as vaccines and antivirals.
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31
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Ramos-Fernández JM, Moreno-Pérez D, Antúnez-Fernández C, Milano-Manso G, Cordón-Martínez AM, Urda-Cardona A. Lower lymphocyte response in severe cases of acute bronchiolitis due to respiratory syncytial virus. ANALES DE PEDIATRÍA (ENGLISH EDITION) 2018. [DOI: 10.1016/j.anpede.2017.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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32
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Abstract
Bronchiolitis is the number one cause of hospitalization in infants during the first year of life. Clinical guidelines recommend primarily supportive care and discourage use of pharmacotherapies and diagnostics. However, there continues to be widespread use of non-recommended therapies and variation in the use of therapeutic interventions among hospitals in the United States. Here we review evidence-based management of this common disease in order to optimize resource utilization, decrease healthcare costs, and decrease unnecessary hospitalization. Current evidence does not support the routine use of chest radiographs, viral testing or laboratory evaluation in children with bronchiolitis. In addition, routine administration of bronchodilators, including albuterol and nebulized epinephrine, corticosteroids and hypertonic saline are not recommended for infants and children with bronchiolitis. Intravenous or nasogastric hydration and nutritional support, supplemental oxygen, and respiratory support are recommended. Standardization of bronchiolitis care with evidence based institutional clinical pathways spanning ED to inpatient care can help optimize resource utilization while simultaneously improving care of bronchiolitis and reducing hospital length of stays and costs.
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Affiliation(s)
| | - Joanna Cohen
- Children’s National Medical Center in Washington, D.C
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33
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Mecklin M, Heikkilä P, Korppi M. Low age, low birthweight and congenital heart disease are risk factors for intensive care in infants with bronchiolitis. Acta Paediatr 2017; 106:2004-2010. [PMID: 28799175 DOI: 10.1111/apa.14021] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 07/17/2017] [Accepted: 08/08/2017] [Indexed: 11/30/2022]
Abstract
AIM This study evaluated the incidence and risk factors for intensive care and respiratory support in infant bronchiolitis. METHODS This retrospective descriptive case-control study focused on 105 patients treated in the paediatric intensive care unit (PICU) and 210 controls treated in the emergency department or on the paediatric ward in Tampere University Hospital in Finland between 2000 and 2015. Statistically significant risk factors in nonadjusted analyses were included in the adjusted logistic regression. RESULTS The average age-specific annual incidence of bronchiolitis requiring PICU admission under the age of 12 months was 1.5/1000/year (range 0.18-2.59). Independently, significant risk factors for PICU admission were as follows: being less than two months old with an adjusted odds ratio (aOR) of 11.5, birthweight of <2000 g (aOR of 15.9), congenital heart disease (CHD) (aOR of 15.9), apnoea (aOR of 7.2) and the absence of wheezing (aOR of 2.2). Significant risk factors for needing respiratory support were a birthweight of <2000 g, an age of less than two months and CHD. CONCLUSION Less than 0.1% of infants under the age of 12 months were admitted to the PICU for bronchiolitis. Low age, low birthweight or prematurity and CHD were independently significant risk factors for both intensive care and respiratory support.
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Affiliation(s)
- Minna Mecklin
- Tampere Center for Child Health Research; University of Tampere and Tampere University Hospital; Tampere Finland
| | - Paula Heikkilä
- Tampere Center for Child Health Research; University of Tampere and Tampere University Hospital; Tampere Finland
| | - Matti Korppi
- Tampere Center for Child Health Research; University of Tampere and Tampere University Hospital; Tampere Finland
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34
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Schuh S, Babl FE, Dalziel SR, Freedman SB, Macias CG, Stephens D, Steele DW, Fernandes RM, Zemek R, Plint AC, Florin TA, Lyttle MD, Johnson DW, Gouin S, Schnadower D, Klassen TP, Bajaj L, Benito J, Kharbanda A, Kuppermann N. Practice Variation in Acute Bronchiolitis: A Pediatric Emergency Research Networks Study. Pediatrics 2017; 140:peds.2017-0842. [PMID: 29184035 DOI: 10.1542/peds.2017-0842] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/21/2017] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVES Studies characterizing hospitalizations in bronchiolitis did not identify patients receiving evidence-based supportive therapies (EBSTs). We aimed to evaluate intersite and internetwork variation in receipt of ≥1 EBSTs during the hospital management of infants diagnosed with bronchiolitis in 38 emergency departments of pediatric emergency research networks in Canada, the United States, Australia, New Zealand, the United Kingdom, Ireland, Spain, and Portugal. We hypothesized that there would be significant variation, adjusted for patient characteristics. METHODS Retrospective cohort study of previously healthy infants aged <12 months with bronchiolitis. Our primary outcome was that hospitalization occurred with EBST (ie, parenteral fluids, oxygen, or airway support). RESULTS Out of 3725 participants, 1466 (39%) were hospitalized, and 1023 out of 1466 participants (69.8%) received EBST. The use of EBST varied by site (P < .001; range 6%-99%, median 23%), but not by network (P = .2). Significant multivariable predictors and their odds ratios (ORs) were as follows: age (0.9), oxygen saturation (1.3), apnea (3.4), dehydration (3.2), nasal flaring and/or grunting (2.4), poor feeding (2.1), chest retractions (1.9), and respiratory rate (1.2). The use of pharmacotherapy and radiography varied by network and site (P < .001), with respective intersite ranges 2% to 79% and 1.6% to 81%. Compared with Australia and New Zealand, the multivariable OR for the use of pharmacotherapy in Spain and Portugal was 22.7 (95% confidence interval [CI]: 4.5-111), use in Canada was 11.5 (95% CI: 3.7-36), use in the United States was 6.8 (95% CI: 2.3-19.8), and use in the United Kingdom was 1.4 (95% CI: 0.4-4.2). Compared with United Kingdom, OR for radiography use in the United States was 4.9 (95% CI 2.0-12.2), use in Canada was 4.9 (95% CI 1.9-12.6), use in Spain and Portugal was 2.4 (95% CI 0.6-9.8), and use in Australia and New Zealand was 1.8 (95% CI 0.7-4.7). CONCLUSIONS More than 30% of infants hospitalized with bronchiolitis received no EBST. The hospital site was a source of variation in all study outcomes, and the network also predicted the use of pharmacotherapy and radiography.
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Affiliation(s)
- Suzanne Schuh
- Division of Paediatric Emergency Medicine and.,The Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada.,University of Toronto, Toronto, Ontario, Canada
| | - Franz E Babl
- Emergency Department, Royal Children's Hospital, Murdoch Children's Research Institute, and University of Melbourne, Melbourne, Australia
| | - Stuart R Dalziel
- Emergency Department, Starship Children's Hospital, and University of Auckland, Auckland, New Zealand
| | | | - Charles G Macias
- Pediatric Emergency Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas
| | - Derek Stephens
- The Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Dale W Steele
- Section of Pediatric Emergency Medicine, Hasbro Children's Hospital and Section of Pediatric Emergency Medicine, Rhode Island Hospital, Providence, Rhode Island
| | - Ricardo M Fernandes
- Department of Pediatrics, Hospital de Santa Maria and Laboratory of Clinical Pharmacology and Therapeutics, Faculty of Medicine, Instituto de Medicina Molecular, University of Lisbon, Lisbon, Portugal
| | - Roger Zemek
- Division of Pediatric Emergency Medicine, University of Ottawa and Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Amy C Plint
- Division of Pediatric Emergency Medicine, University of Ottawa and Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Todd A Florin
- Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Mark D Lyttle
- Pediatric Emergency Department, Bristol Royal Hospital for Children and Faculty of Health and Life Sciences, University of the West of England, Bristol, United Kingdom
| | - David W Johnson
- Sections of Pediatric Emergency Medicine.,Emergency Medicine, and.,Physiology and Pharmacology, Department of Pediatrics, Alberta Children's Hospital Research Institute and Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Serge Gouin
- Centre hospitalier universitaire Sainte-Justine, University of Montreal, Montreal, Quebec, Canada
| | - David Schnadower
- Pediatric Emergency Medicine, School of Medicine, Washington University in St Louis, St Louis, Missouri
| | - Terry P Klassen
- Manitoba Institute of Child Health, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Lalit Bajaj
- Department of Pediatrics, Children's Hospital Colorado, Aurora, Colorado
| | - Javier Benito
- Pediatric Emergency Department, Cruces University Hospital, Barakaldo, Bizkaia, Spain
| | - Anupam Kharbanda
- Emergency Department, Children's Hospital of Minnesota, Minneapolis, Minnesota; and
| | - Nathan Kuppermann
- Departments of Emergency Medicine and.,Pediatrics, Davis School of Medicine, University of California, Sacramento, California
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Essouri S, Baudin F, Chevret L, Vincent M, Emeriaud G, Jouvet P. Variability of Care in Infants with Severe Bronchiolitis: Less-Invasive Respiratory Management Leads to Similar Outcomes. J Pediatr 2017; 188:156-162.e1. [PMID: 28602381 DOI: 10.1016/j.jpeds.2017.05.033] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 04/26/2017] [Accepted: 05/11/2017] [Indexed: 11/26/2022]
Abstract
OBJECTIVE To compare the management of children with severe bronchiolitis requiring intensive care (based on duration of ventilatory support and duration of pediatric intensive care unit [PICU] stay) in 2 countries with differing pediatric transport and PICU organizations. STUDY DESIGN This was a prospective observational care study in 2 PICUs of tertiary care university hospitals, 1 in France and 1 in Canada. All children with bronchiolitis who required admission to the PICU between November 1, 2013, and March 31, 2014, were included. RESULTS A total of 194 children were included. Baseline characteristics and illness severity were similar at the 2 sites. There was a significant difference between centers in the use of invasive ventilation (3% in France vs 26% in Canada; P < .0001). The number of investigations performed from admission to emergency department presentation and during the PICU stay was significantly higher in Canada for both chest radiographs and blood tests (P < .001). The use of antibiotics was significantly higher in Canada both before (60% vs 28%; P < .001) and during (72% vs 33%; P < .0001) the PICU stay. The duration of ventilatory support, median length of stay, and rate of PICU readmission were similar in the 2 centers. CONCLUSION Important differences in the management of children with severe bronchiolitis were observed during both prehospital transport and PICU treatment. Less invasive management resulted in similar outcomes with in fewer complications.
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Affiliation(s)
- Sandrine Essouri
- Pediatric Intensive Care Unit, Centre Hospitalier Universitaire Sainte Justine, Université de Montréal, Montréal, QC, Canada; Pediatric Intensive Care Unit, Centre Hospitalier Universitaire Kremlin Bicêtre, Paris South University, Le Kremlin Bicêtre, France.
| | - Florent Baudin
- Pediatric Intensive Care Unit, Hôpital Femme Mère Enfant, Université Lyon, Bron, France
| | - Laurent Chevret
- Pediatric Intensive Care Unit, Centre Hospitalier Universitaire Kremlin Bicêtre, Paris South University, Le Kremlin Bicêtre, France
| | - Mélanie Vincent
- Division of Pediatrics, Centre Hospitalier Universitaire Sainte Justine, Université de Montréal, Montréal, QC, Canada
| | - Guillaume Emeriaud
- Pediatric Intensive Care Unit, Centre Hospitalier Universitaire Sainte Justine, Université de Montréal, Montréal, QC, Canada
| | - Philippe Jouvet
- Pediatric Intensive Care Unit, Centre Hospitalier Universitaire Sainte Justine, Université de Montréal, Montréal, QC, Canada
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Dadlez NM, Esteban-Cruciani N, Khan A, Douglas LC, Shi Y, Southern WN. Risk Factors for Respiratory Decompensation Among Healthy Infants With Bronchiolitis. Hosp Pediatr 2017; 7:530-535. [PMID: 28830913 PMCID: PMC5574668 DOI: 10.1542/hpeds.2017-0034] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Although most children with bronchiolitis only require supportive care, some decompensate and require ventilatory support. We examined predictors of respiratory decompensation among hospitalized children to identify which patients may benefit from expectant monitoring. METHODS We examined children ≤24 months old with bronchiolitis admitted to the general infant and toddler floor. Children with pneumonia or comorbidities were excluded. Demographic and clinical characteristics were abstracted from a clinical database and medical records. Respiratory decompensation was defined as the need for initiating high-flow nasal cannula oxygen, continuous positive airway pressure, nasal intermittent mandatory ventilation, bilevel positive airway pressure, or intubation. A multivariable logistic regression model was constructed to identify independent predictors of respiratory decompensation. RESULTS A total of 1217 children were included. The median age was 6.9 months, 41% were girls, 49% were Hispanic, 21% were black, and 18% were premature. Significant independent predictors of respiratory decompensation were age ≤3 months (odds ratio [OR]: 3.25; 95% confidence interval [CI]: 2.09-5.07), age 3 to 6 months (OR: 1.76; 95% CI: 1.04-3.0), black race (OR: 1.94; 95% CI: 1.27-2.95), emergency department hypoxemia (OR: 2.34; 95% CI: 1.30-4.21), and retractions or accessory muscle use (OR: 2.26; 95% CI: 1.48-3.46). Children with 0 of 4 predictors were found to have a low risk of decompensation (3%). CONCLUSIONS Young age, black race, emergency department hypoxemia, and retractions or accessory muscle use were associated with respiratory decompensation in children with bronchiolitis. These factors should be considered at presentation, as they identify children who require a higher level of respiratory monitoring and support and others who may not benefit.
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Affiliation(s)
- Nina M Dadlez
- Division of Pediatric Hospital Medicine, Department of Pediatrics, The Children's Hospital at Montefiore, New York, New York
- Department of Pediatrics, Albert Einstein College of Medicine, New York, New York
| | - Nora Esteban-Cruciani
- Department of Pediatrics, St Christopher's Hospital for Children, Philadelphia, Pennsylvania
- Einstein Medical Center Philadelphia, Pennsylvania
| | - Asama Khan
- Department of Pediatrics, Albert Einstein College of Medicine, New York, New York
| | - Lindsey C Douglas
- Division of Pediatric Hospital Medicine, Department of Pediatrics, The Children's Hospital at Montefiore, New York, New York
- Department of Pediatrics, Albert Einstein College of Medicine, New York, New York
| | - Yi Shi
- Department of Pediatrics, Jacobi Medical Center, New York, New York; and
| | - William N Southern
- Division of Hospital Medicine, Department of Medicine and
- Department of Medicine, Montefiore Medical Center, New York, New York
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Ramos-Fernández JM, Moreno-Pérez D, Antúnez-Fernández C, Milano-Manso G, Cordón-Martínez AM, Urda-Cardona A. [Lower lymphocyte response in severe cases of acute bronchiolitis due to respiratory syncytial virus]. An Pediatr (Barc) 2017; 88:315-321. [PMID: 28818563 DOI: 10.1016/j.anpedi.2017.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 07/01/2017] [Accepted: 07/11/2017] [Indexed: 10/19/2022] Open
Abstract
INTRODUCTION Acute bronchiolitis (AB) of the infant has a serious outcome in 6-16% of the hospital admitted cases. Its pathogenesis and evolution is related to the response of the T lymphocytes. The objective of the present study is to determine if the lower systemic lymphocytic response is related to a worse outcome of AB in hospitalised infants. PATIENTS AND METHOD Retrospective observational-analytical study of cases-controls nested in a cohort of patients admitted due to RSV-AB between the period from October 2010 to March 2015. Those with a full blood count in the first 48hours of respiratory distress were included. Infants with underlying disease, bacterial superinfection, and premature infants <32 weeks of gestation were excluded. The main dichotomous variable was PICU admission. Other variables were: gender, age, post-menstrual age, gestational and post-natal tobacco exposure, admission month, type of lactation, and days of onset of respiratory distress. Lymphocyte counts were categorised by quartiles. Bivariate analysis was performed with the main variable and then by logistic regression to analyse confounding factors. RESULTS The study included 252 infants, of whom 6.6% (17) required PICU admission. The difference in mean±SD of lymphocytes for patients admitted to and not admitted to PICU was 4,044±1755 and 5,035±1786, respectively (Student-t test, P<.05). An association was found between PICU admission and lymphocyte count <3700/ml (Chi-squared, P=.019; OR: 3.2) and it was found to be maintained in the logistic regression, regardless of age and all other studied factors (Wald 4.191 P=.041, OR: 3.8). CONCLUSIONS A relationship was found between lymphocytosis <3700/ml in the first days of respiratory distress and a worse outcome in previously healthy infants <12 months and gestational age greater than 32 weeks with RSV-AB.
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Affiliation(s)
- José Miguel Ramos-Fernández
- Unidad de Gestión Clínica de Pediatría, Grupo de Investigación IBIMA, Hospital Materno-Infantil Regional Universitario de Málaga, Málaga, España.
| | - David Moreno-Pérez
- Infectología Pediátrica e Inmunodeficiencias, Unidad de Gestión Clínica de Pediatría, Hospital Materno-Infantil Regional Universitario de Málaga, Grupo de Investigación IBIMA, Departamento de Pediatría y Farmacología, Facultad de Medicina de la Universidad de Málaga, Málaga, España
| | - Cristina Antúnez-Fernández
- Unidad de Gestión Clínica de Pediatría, Grupo de Investigación IBIMA, Hospital Materno-Infantil Regional Universitario de Málaga, Málaga, España
| | - Guillermo Milano-Manso
- Unidad de Gestión Clínica de Cuidados Críticos y Urgencias, Hospital Materno-Infantil Regional Universitario de Málaga, Grupo de Investigación IBIMA, Departamento de Pediatría y Farmacología, Facultad de Medicina de la Universidad de Málaga, Málaga, España
| | - Ana María Cordón-Martínez
- Unidad de Gestión Clínica de Pediatría, Grupo de Investigación IBIMA, Hospital Materno-Infantil Regional Universitario de Málaga, Málaga, España
| | - Antonio Urda-Cardona
- Unidad de Gestión Clínica de Pediatría, Grupo de Investigación IBIMA, Hospital Materno-Infantil Regional Universitario de Málaga, Málaga, España
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Ahout IML, Brand KH, Zomer A, van den Hurk WH, Schilders G, Brouwer ML, Neeleman C, de Groot R, Ferwerda G. Prospective observational study in two Dutch hospitals to assess the performance of inflammatory plasma markers to determine disease severity of viral respiratory tract infections in children. BMJ Open 2017; 7:e014596. [PMID: 28667205 PMCID: PMC5734420 DOI: 10.1136/bmjopen-2016-014596] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Respiratory viruses causing lower respiratory tract infections (LRTIs) are a major cause of hospital admissions in children. Since the course of these infections is unpredictable with potential fast deterioration into respiratory failure, infants are easily admitted to the hospital for observation. The aim of this study was to examine whether systemic inflammatory markers can be used to predict severity of disease in children with respiratory viral infections. METHODS Blood and nasopharyngeal washings from children <3 years of age with viral LRTI attending a hospital were collected within 24 hours (acute) and after 4-6 weeks (recovery). Patients were assigned to a mild (observation only), moderate (supplemental oxygen and/or nasogastric feeding) or severe (mechanical ventilation) group. Linear regression analysis was used to design a prediction rule using plasma levels of C reactive protein (CRP), serum amyloid A (SAA), pentraxin 3 (PTX3), serum amyloid P component and properdin. This rule was tested in a validation cohort. RESULTS One hundred and four children (52% male) were included. A combination of CRP, SAA, PTX3 and properdin was a better indicator of severe disease compared with any of the individual makers and age (69% sensitivity (95% CI 50 to 83), 90% specificity (95% CI 80 to 96)). Validation in 141 patients resulted in 71% sensitivity (95% CI 53 to 85), 87% specificity (95% CI 79 to 92), negative predictive value of 64% (95% CI 47 to 78) and positive predictive value of 90% (95% CI 82 to 95). The prediction rule was not able to identify patients with a mild course of disease. CONCLUSION A combination of CRP, SAA, PTX3 and properdin was able to identify children with a severe course of viral LRTI disease, even in children under 2 months of age. To assess the true impact on clinical management, these results should be validated in a prospective randomised control study.
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Affiliation(s)
- Inge M L Ahout
- Laboratory of Pediatric Infectious Diseases, Department of Pediatrics, Radboud Center for Infectious Diseases, Radboud university medical center, Nijmegen, The Netherlands
| | - Kim H Brand
- Department of Pediatrics, Erasmus MC Sophia, Rotterdam, The Netherlands
| | - Aldert Zomer
- Department of Infectious Diseases and Immunology, Utrecht University, Utrecht, The Netherlands
| | | | - Geurt Schilders
- Department Research and Development, Hycult Biotech, Uden, The Netherlands
| | - Marianne L Brouwer
- Department of Pediatrics, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands
| | - Chris Neeleman
- Department of Intensive Care Medicine, Radboud university medical center, Nijmegen, The Netherlands
| | - Ronald de Groot
- Laboratory of Pediatric Infectious Diseases, Department of Pediatrics, Radboud Center for Infectious Diseases, Radboud university medical center, Nijmegen, The Netherlands
| | - Gerben Ferwerda
- Laboratory of Pediatric Infectious Diseases, Department of Pediatrics, Radboud Center for Infectious Diseases, Radboud university medical center, Nijmegen, The Netherlands
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Oakley E, Chong V, Borland M, Neutze J, Phillips N, Krieser D, Dalziel S, Davidson A, Donath S, Jachno K, South M, Fry A, Babl FE. Intensive care unit admissions and ventilation support in infants with bronchiolitis. Emerg Med Australas 2017; 29:421-428. [PMID: 28544539 DOI: 10.1111/1742-6723.12778] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 03/03/2017] [Accepted: 03/09/2017] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To describe the rate of intensive care unit (ICU) admission, type of ventilation support provided and risk factors for ICU admission in infants with bronchiolitis. DESIGN Retrospective review of hospital records and Australia and New Zealand Paediatric Intensive Care (ANZPIC) registry data for infants 2-12 months old admitted with bronchiolitis. SETTING Seven Australian and New Zealand hospitals. These infants were prospectively identified through the comparative rehydration in bronchiolitis (CRIB) study between 2009 and 2011. RESULTS Of 3884 infants identified, 3589 charts were available for analysis. Of 204 (5.7%) infants with bronchiolitis admitted to ICU, 162 (79.4%) received ventilation support. Of those 133 (82.1%) received non-invasive ventilation (high flow nasal cannula [HFNC] or continuous positive airway pressure [CPAP]) 7 (4.3%) received invasive ventilation alone and 21 (13.6%) received a combination of ventilation modes. Infants with comorbidities such as chronic lung disease (OR 1.6 [95% CI 1.0-2.6]), congenital heart disease (OR 2.3 [1.5-3.5]), neurological disease (OR 2.2 [1.2-4.1]) or prematurity (OR 1.5 [1.0-2.1]), and infants 2-6 months of age (OR 1.5 [1.1-2.0]) were more likely to be admitted to ICU. Respiratory syncitial virus positivity did not increase the likelihood of being admitted to ICU (OR 1.1 [95% CI 0.8-1.4]). HFNC use changed from 13/53 (24.5% [95% CI 13.7-38.3]) patient episodes in 2009 to 39/91 (42.9% [95% CI 32.5-53.7]) patient episodes in 2011. CONCLUSION Admission to ICU is an uncommon occurrence in infants admitted with bronchiolitis, but more common in infants with comorbidities and prematurity. The majority are managed with non-invasive ventilation, with increasing use of HFNC.
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Affiliation(s)
- Ed Oakley
- Department of Emergency Medicine, Royal Children's Hospital, Melbourne, Victoria, Australia.,Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Vi Chong
- Department of Emergency Medicine, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Meredith Borland
- Department of Emergency Medicine, Princess Margaret Hospital, Perth, Western Australia, Australia.,School of Paediatrics and Child Health and School of Primary, Rural and Aboriginal Health, The University of Western Australia, Perth, Western Australia, Australia
| | - Jocelyn Neutze
- Department of Emergency Medicine, Kidz First Hospital Middlemore, Auckland, New Zealand
| | - Natalie Phillips
- Emergency Department, Lady Cilento Children's Hospital, Brisbane, Queensland, Australia.,Children's Health Research Centre, The University of Queensland Medical Research Institute, Brisbane, Queensland, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - David Krieser
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,Department of Emergency Medicine, Sunshine Hospital, Melbourne, Victoria, Australia
| | - Stuart Dalziel
- Children's Emergency Department, Starship Children's Hospital, Auckland, New Zealand.,Liggins Institute, The University of Auckland, Auckland, New Zealand
| | - Andrew Davidson
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,Department of Anaesthesia, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Susan Donath
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Kim Jachno
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia
| | - Mike South
- Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,Department of Medicine, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Amanda Fry
- Department of Emergency Medicine, Royal Children's Hospital, Melbourne, Victoria, Australia.,Murdoch Children's Research Institute, Melbourne, Victoria, Australia
| | - Franz E Babl
- Department of Emergency Medicine, Royal Children's Hospital, Melbourne, Victoria, Australia.,Murdoch Children's Research Institute, Melbourne, Victoria, Australia.,Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
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Stollar F, Gervaix A, Argiroffo CB. Safely Discharging Infants with Bronchiolitis from an Emergency Department: A Five Step Guide for Pediatricians. PLoS One 2016; 11:e0163217. [PMID: 27690359 PMCID: PMC5045212 DOI: 10.1371/journal.pone.0163217] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Accepted: 09/06/2016] [Indexed: 11/24/2022] Open
Abstract
Recent publications have established the pulse oxygen saturation (SpO2) threshold of 90% for the hospitalization and discharge of infant patients with bronchiolitis. However, there is no clear recommendation regarding the Emergency Department (ED) observation period necessary before allowing safe home discharge for patients with SpO2 above 90%-92%. Our primary aims were to evaluate the risk factors associated with delayed desaturation in infants with SpO2 ≥ 92% on arrival at the ED as well as the ED observation period necessary before allowing safe home discharge. A secondary aim was to identify the risk factors for ED readmission. Of 581 episodes of bronchiolitis in patients < 1 year old admitted to the ED, only 47 (8%) had SpO2 < 92% on arrival there, although 106 (18%) exhibited a delayed desaturation (to < 92%) during ED observation. Female sex, age < 3 months old, ED readmission, more severe initial clinical presentation, and higher pCO2 level (> 6KPa) were risk factors for delayed desaturation with OR varying from 1.7 to 7.5. In patients < 3 months old, mean desaturation occured later than in older patients [6.0 hours (IQR 3.0–14.0) vs. 3.0 hours (IQR 2.0–6.0), P = 0.0018]. In 95% of patients with a delayed desaturation this decrease occurred within 25 hours for patients < 3 months old and within 11 hours for patients ≥ 3 months old. In patients < 3 months old with respiratory rates above the normal range for their age the desaturation occurred earlier than in patients < 3 months with normal respiratory rates [4.4 hours (IQR 3.0–11.7) vs. 14.6 hours (IQR 7.6–22.2), P = 0.037]. Based on the present study’s results, we propose a five step guide for pediatricians on discharging children with bronchiolitis from the ED. By using the threshold of an 11 hour ED observation period for patients ≥ 3 months old and a 25 hour period for patients < 3 months old we are able to detect 95% of the patients with bronchiolitis who are at risk of delayed desaturation.
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Affiliation(s)
- Fabiola Stollar
- General Pediatric Division, Children’s Hospital, University Hospitals of Geneva, Geneva, Switzerland
- * E-mail:
| | - Alain Gervaix
- Pediatric Emergency Division, Children’s Hospital, University Hospitals of Geneva, Geneva, Switzerland
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Carroll CL, Faustino EVS, Pinto MG, Sala KA, Canarie MF, Li S, Giuliano JS, The Northeast Pediatric Critical Care Research Consortium. A regional cohort study of the treatment of critically ill children with bronchiolitis. J Asthma 2016; 53:1006-11. [PMID: 27177013 DOI: 10.1080/02770903.2016.1180697] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
OBJECTIVE To describe the treatment practices in critically ill children with RSV bronchiolitis across four regional PICUs in the northeastern United States, and to determine the factors associated with increased ICU length of stay in this population. METHODS We conducted a retrospective cohort study of children who were admitted with RSV bronchiolitis between July 2009 and July 2011 to the PICUs of Connecticut Children's Medical Center, Yale-New Haven Children's Hospital, Maria Fareri Children's Hospital, and Baystate Children's Hospital. Data were collected regarding clinical characteristics and intensive care course among these hospitals. RESULTS During the study period, 323 children were admitted to one of the four ICUs with RSV bronchiolitis. Despite similar mortality risk scores among ICUs, there was considerable variation in the use of therapies, particularly intubation and mechanical ventilation, in which there was greater than a 3.5-fold increased risk of intubation between sites with the highest and lowest frequency of intubation (odds ratio: 3.8; 95% confidence interval: 2.2-6.4). Albuterol was the most commonly used respiratory treatment, followed by chest physiotherapy, high-flow nasal cannula, and hypertonic saline. Longer stays in the ICU were associated with more frequent use of therapies, specifically invasive mechanical ventilation, inhaled corticosteroids, intrapulmonary percussive ventilation, and chest physiotherapy. CONCLUSIONS Even within a close geographic region, there is significant variation in the treatment provided to critically ill children with RSV bronchiolitis. None of these treatments were associated with shorter durations of hospitalization in this population and some, such as mechanical ventilation, were associated with longer ICU lengths of stay.
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Affiliation(s)
| | | | - Matthew G Pinto
- c Maria Fareri Children's Hospital at Westchester Medical Center , Valhalla , NY , USA
| | - Kathleen A Sala
- a Connecticut Children's Medical Center , Hartford , CT , USA
| | | | - Simon Li
- c Maria Fareri Children's Hospital at Westchester Medical Center , Valhalla , NY , USA
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Chen NY, Wu S. When Intensive Care Is Too Intense: Variations in Standard Practices Across Hospital Acuity Levels. Hosp Pediatr 2016; 6:179-82. [PMID: 26908822 DOI: 10.1542/hpeds.2015-0158] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Nancy Y Chen
- Division of Hospital Medicine, Children's Hospital Los Angeles, Los Angeles, California; and
| | - Susan Wu
- Division of Hospital Medicine, Children's Hospital Los Angeles, Los Angeles, California; and Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, California
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Sinha IP, McBride AKS, Smith R, Fernandes RM. CPAP and High-Flow Nasal Cannula Oxygen in Bronchiolitis. Chest 2015; 148:810-823. [PMID: 25836649 DOI: 10.1378/chest.14-1589] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Severe respiratory failure develops in some infants with bronchiolitis because of a complex pathophysiologic process involving increased airways resistance, alveolar atelectasis, muscle fatigue, and hypoxemia due to mismatch between ventilation and perfusion. Nasal CPAP and high-flow nasal cannula (HFNC) oxygen may improve the work of breathing and oxygenation. Although the mechanisms behind these noninvasive modalities of respiratory support are not well understood, they may help infants by way of distending pressure and delivery of high concentrations of warmed and humidified oxygen. Observational studies of varying quality have suggested that CPAP and HFNC may confer direct physiologic benefits to infants with bronchiolitis and that their use has reduced the need for intubation. No trials to our knowledge, however, have compared CPAP with HFNC in bronchiolitis. Two randomized trials compared CPAP with oxygen delivered by low-flow nasal cannula or face mask and found some improvements in blood gas results and some physiologic parameters, but these trials were unable to demonstrate a reduction in the need for intubation. Two trials evaluated HFNC in bronchiolitis (one comparing it with headbox oxygen, the other with nebulized hypertonic saline), with the results not seeming to suggest important clinical or physiologic benefits. In this article, we review the pathophysiology of respiratory failure in bronchiolitis, discuss these trials in detail, and consider how future research studies may be designed to best evaluate CPAP and HFNC in bronchiolitis.
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Affiliation(s)
- Ian P Sinha
- From the Respiratory Unit, Alder Hey Children's Hospital, Liverpool, England.
| | - Antonia K S McBride
- From the Respiratory Unit, Alder Hey Children's Hospital, Liverpool, England
| | - Rachel Smith
- From the Respiratory Unit, Alder Hey Children's Hospital, Liverpool, England
| | - Ricardo M Fernandes
- Department of Pediatrics, Santa Maria Hospital, Lisbon Academic Medical Centre, Lisbon, Portugal; Clinical Pharmacology Unit, Instituto de Medicina Molecular, University of Lisbon, Lisbon, Portugal
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Hasegawa K, Stevenson MD, Mansbach JM, Schroeder AR, Sullivan AF, Espinola JA, Piedra PA, Camargo CA. Association Between Hyponatremia and Higher Bronchiolitis Severity Among Children in the ICU With Bronchiolitis. Hosp Pediatr 2015; 5:385-389. [PMID: 26136313 PMCID: PMC4888787 DOI: 10.1542/hpeds.2015-0022] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
BACKGROUND AND OBJECTIVES It remains unclear whether hyponatremia independently predicts a higher severity of bronchiolitis in children. The objective of this study was to investigate the association between hyponatremia and bronchiolitis severity in children hospitalized in the ICU for bronchiolitis. METHODS We conducted a 16-center, prospective cohort study of hospitalized children aged <2 years with bronchiolitis during the winters of 2007 through 2010. Patients were classified into 2 groups (normonatremic [135-145 mEq/L] and hyponatremic [<135 mEq/L]) based on the first-measured serum sodium concentration on the day of hospitalization. Outcomes were use of mechanical ventilation and ICU length of stay (LOS). To examine the association of sodium status with outcomes, we fit logistic and linear regression models with propensity score adjustment. RESULTS Of 231 children hospitalized in the ICU for bronchiolitis, 193 (84%) were categorized into the normonatremic group and 38 (16%) into the hyponatremic group. Compared with children with normonatremia, those with hyponatremia had higher risks of mechanical ventilation use (40% vs 58%; P = .04) and longer ICU LOS (median, 3 vs 6 days; P = .007). Likewise, in the adjusted analyses, children with hyponatremia had significantly higher risks of mechanical ventilation use (odds ratio, 2.14 [95% confidence interval, 1.03-4.48; P = .04) and longer ICU LOS (β-coefficient, 2.21 days [95% confidence interval, 0.68-3.73; P = .005]). CONCLUSIONS In this prospective, multicenter study of children hospitalized for bronchiolitis, hyponatremia on the day of hospitalization was associated with a higher severity of disease. Our data support hyponatremia as a prognostic factor that might improve the ability of clinicians to predict the disease course of children with severe bronchiolitis.
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Affiliation(s)
- Kohei Hasegawa
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts;
| | | | - Jonathan M Mansbach
- Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Alan R Schroeder
- Department of Pediatrics, Santa Clara Valley Medical Center, San Jose, California; and
| | - Ashley F Sullivan
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Janice A Espinola
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Pedro A Piedra
- Departments of Molecular Virology and Microbiology, and Pediatrics, Baylor College of Medicine, Houston, Texas
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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Fernandes RM, Plint AC, Terwee CB, Sampaio C, Klassen TP, Offringa M, van der Lee JH. Validity of bronchiolitis outcome measures. Pediatrics 2015; 135:e1399-408. [PMID: 25986025 DOI: 10.1542/peds.2014-3557] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/18/2015] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND The Respiratory Distress Assessment Instrument (RDAI) and Respiratory Assessment Change Score (RACS) are frequently used in bronchiolitis clinical trials, but evidence is limited on their measurement properties. We investigated their validity, reliability, and responsiveness. METHODS We included data from up to 1765 infants with bronchiolitis enrolled in 2 studies conducted in pediatric emergency departments. We assessed RDAI construct validity by testing hypotheses of associations with physiologic measures (respiratory rate, oxygen saturation) and with constructs related to hospitalization, using correlation coefficients, and multivariable analysis. RDAI/RACS responsiveness was evaluated by using anchors of change based on these constructs; measures of responsiveness included the area under the curve. RDAI test-retest agreement and interrater reliability were evaluated by using limits of agreement and intraclass correlation coefficients. RESULTS Baseline RDAI scores were weakly correlated with respiratory rate (r = 0.38, P < .001), and scores increased in lower oxygen saturation categories (P < .001). Higher RDAI scores were associated with hospitalization (odds ratio: 1.36; 95% confidence interval: 1.26-1.47); scores differed between participants who were discharged, admitted, or stayed in the emergency department (P < .001). Our hypotheses were met, but the magnitude of associations was below our predefined thresholds. RDAI test-retest limits of agreement were -3.80 to 3.64 (20% of the range), whereas interrater reliability was good (intraclass correlation coefficient = 0.93). Formulated hypotheses for responsiveness were confirmed, with moderate responsiveness (area under the curve: RDAI, 0.64-0.70; RACS, 0.72). CONCLUSIONS RDAI has poor to moderate construct validity, with good discriminative properties but considerable test-retest measurement error. The RDAI and RACS are responsive measures of respiratory distress in bronchiolitis but do not encompass all determinants of disease severity.
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Affiliation(s)
- Ricardo M Fernandes
- Department of Pediatrics, Santa Maria Hospital, Lisbon Academic Medical Centre, Lisbon, Portugal; Clinical Pharmacology Unit, Instituto de Medicina Molecular, University of Lisbon, Lisbon, Portugal;
| | - Amy C Plint
- University of Ottawa and Children's Hospital of Eastern Ontario, Ottawa, Canada
| | - Caroline B Terwee
- Department of Epidemiology and Biostatistics and EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, Netherlands
| | - Cristina Sampaio
- Clinical Pharmacology Unit, Instituto de Medicina Molecular, University of Lisbon, Lisbon, Portugal
| | - Terry P Klassen
- Manitoba Institute of Child Health, University of Manitoba, Winnipeg, Canada
| | - Martin Offringa
- ChildHealth Evaluative Sciences, Hospital for Sick Children, Toronto, Canada; and
| | - Johanna H van der Lee
- Division of Woman and Child, Pediatric Clinical Research Office, Academic Medical Centre, Amsterdam, Netherlands
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Saad K, Abd Aziz NH, El-Houfey AA, El-Asheer O, Mohamed SA, Ahmed AE, Abdel Baseer KA, Darwish MM. Trial of Vitamin D Supplementation in Infants with Bronchiolitis: A Randomized, Double-Blind, Placebo-Controlled Study. PEDIATRIC ALLERGY, IMMUNOLOGY, AND PULMONOLOGY 2015. [DOI: 10.1089/ped.2015.0492] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Khaled Saad
- Department of Pediatrics, Assiut University, Assiut, Egypt
| | | | - Amira A. El-Houfey
- Department of Community Health Nursing, Faculty of Nursing, Assiut University, Assiut, Egypt
| | | | | | - Ahmed E. Ahmed
- Department of Pediatrics, Qena Faculty of Medicine, South Valley University, Egypt
| | | | - Manal M. Darwish
- Department of Public Health and Community Medicine, Faculty of Medicine; Assiut University, Assiut, Egypt
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Pierce HC, Mansbach JM, Fisher ES, Macias CG, Pate BM, Piedra PA, Sullivan AF, Espinola JA, Camargo CA. Variability of intensive care management for children with bronchiolitis. Hosp Pediatr 2015; 5:175-184. [PMID: 25832972 DOI: 10.1542/hpeds.2014-0125] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
OBJECTIVE To determine the extent of variability in testing and treatment of children with bronchiolitis requiring intensive care. METHODS This prospective, multicenter observational study included 16 academic children's hospitals across the United States during the 2007 to 2010 fall and winter seasons. The study included children<2 years old hospitalized with bronchiolitis who required admission to the ICU and/or continuous positive airway pressure (CPAP) within 24 hours of admission. Among the 2207 enrolled patients with bronchiolitis, 342 children met inclusion criteria. Clinical data and nasopharyngeal aspirates were collected. RESULTS Respiratory distress severity scores and intraclass correlation coefficients were calculated. The study patients' median age was 2.6 months, and 59% were male. Across the 16 sites, the median respiratory distress severity score was 5.1 (interquartile range: 4.5-5.4; P<.001). The median value of the percentages for all sites using CPAP was 15% (range: 3%-100%), intubation was 26% (range: 0%-100%), and high-flow nasal cannula (HFNC) was 24% (range: 0%-94%). Adjusting for site-specific random effects (as well as children's demographic characteristics and severity of bronchiolitis), the intraclass correlation coefficient for CPAP and/or intubation was 21% (95% confidence interval: 8-44); for HFNC, it was 44.7% (95% confidence interval: 24-67). CONCLUSIONS In this multicenter study of children requiring intensive care for bronchiolitis, we identified substantial institutional variability in testing and treatment, including use of CPAP, intubation, and HFNC. These differences were not explained by between-site differences in patient characteristics, including severity of illness. Further research is needed to identify best practices for intensive care interventions for this major cause of pediatric hospitalization.
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Affiliation(s)
- Heather C Pierce
- Department of Pediatrics, Rady Children's Hospital, University of California, San Diego, California;
| | - Jonathan M Mansbach
- Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Erin S Fisher
- Department of Pediatrics, Rady Children's Hospital, University of California, San Diego, California
| | - Charles G Macias
- Department of Pediatrics, Section of Emergency Medicine, Texas Children's Hospital, Baylor College of Medicine, Houston, Texas
| | - Brian M Pate
- Department of Pediatrics, Children's Mercy Hospital, Kansas City, Missouri
| | - Pedro A Piedra
- Departments of Molecular Virology and Microbiology, and Pediatrics, Baylor College of Medicine, Houston, Texas; and
| | - Ashley F Sullivan
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Janice A Espinola
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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Cha MA, Woo YR, Kim HJ, Kim MS, Ahn YH. Factors associated with obesity of acute bronchiolitis in infants: association of obesity with disease severity. ALLERGY ASTHMA & RESPIRATORY DISEASE 2015. [DOI: 10.4168/aard.2015.3.4.281] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Min Ah Cha
- Department of Pediatrics, Bundang Jesaeng Hospital, Seongnam, Korea
| | - Yeol Ryoon Woo
- Department of Pediatrics, Bundang Jesaeng Hospital, Seongnam, Korea
| | - Hyun Jin Kim
- Department of Pediatrics, Bundang Jesaeng Hospital, Seongnam, Korea
| | - Min Sub Kim
- Department of Pediatrics, Bundang Jesaeng Hospital, Seongnam, Korea
| | - Yeon Hwa Ahn
- Department of Pediatrics, Bundang Jesaeng Hospital, Seongnam, Korea
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Macias CG, Mansbach JM, Fisher ES, Riederer M, Piedra PA, Sullivan AF, Espinola JA, Camargo CA. Variability in inpatient management of children hospitalized with bronchiolitis. Acad Pediatr 2015; 15:69-76. [PMID: 25444654 DOI: 10.1016/j.acap.2014.07.005] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 07/18/2014] [Accepted: 07/19/2014] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To determine the variability between hospitals in diagnostic testing and management interventions for children with bronchiolitis admitted to inpatient wards and identify its association with patient characteristics. METHODS A prospective, multicenter (16 hospitals), multiyear (2007-2010) observational study of children (age <2 years) hospitalized with bronchiolitis. Outcomes included variability in diagnostic testing (complete blood count, chest radiographs) and medications or interventions (bronchodilator, systemic corticosteroid, antibiotic, IV placement) by hospital. A modified Respiratory Distress Severity Score was utilized to assess severity of illness. For all outcomes, intraclass correlation coefficient (ICC) was calculated from a model to estimate the random effects of hospital without added covariates and compared to ICCs from a second model that adjusted for demographic and clinical patient characteristics. A second unadjusted and adjusted model was created for age ≥ 2 months. RESULTS Of 2207 subjects, 1715 were identified as admitted to inpatient wards. We observed wide variations in the proportion of patients who received diagnostic testing (complete blood count 21-75%, chest radiograph 36-85%) and medications/interventions (bronchodilators 19-91%, systemic corticosteroids 8-44%, antibiotics 17-43%, IV placement 38-93%). Adjusting for demographic and clinical patient characteristics did not materially affect the proportion of variability attributable to hospitals (differences in ICCs with and without model adjustment <4%). CONCLUSIONS Wide variations in diagnostic test utilization and management interventions seen among children with bronchiolitis treated on the inpatient wards at 16 US hospitals were not attributable to demographic or clinical patient characteristics. These results further support efforts to standardize care for bronchiolitis through active quality improvement strategies.
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Affiliation(s)
- Charles G Macias
- Department of Pediatrics, Section of Emergency Medicine, and Center for Clinical Effectiveness, Texas Children's Hospital, Baylor College of Medicine, Houston, Tex.
| | - Jonathan M Mansbach
- Department of Medicine, Children's Hospital Boston, Harvard Medical School, Boston, Mass
| | - Erin S Fisher
- Department of Pediatrics, Rady Children's Hospital, University of California, San Diego, Calif
| | - Mark Riederer
- Department of Pediatrics, Children's Hospital of Colorado, Denver, Colo
| | - Pedro A Piedra
- Departments of Molecular Virology and Microbiology, and Pediatrics, Baylor College of Medicine, Houston, Tex
| | - Ashley F Sullivan
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Janice A Espinola
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass
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50
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Virologic testing in bronchiolitis: does it change management decisions and predict outcomes? Eur J Pediatr 2014; 173:1429-35. [PMID: 24858463 DOI: 10.1007/s00431-014-2334-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 05/01/2014] [Accepted: 05/02/2014] [Indexed: 10/25/2022]
Abstract
UNLABELLED The aim of this study was to evaluate the clinical, therapeutic, laboratory, and radiological differences between respiratory syncytial virus (RSV) and non-RSV bronchiolitis in order to assess if the prior knowledge of viral etiology changed management decisions and would be able to predict outcomes. Medical charts of children <1 year admitted to the emergency department with bronchiolitis during two RSV seasons (2010-2012) were reviewed. We analyzed 221 episodes of bronchiolitis. The percentage of exams performed (95 % confidence interval (CI) 0.74-2.52), abnormal laboratory and radiological findings (95 % CI 0.53-16.89) did not differ between groups. RSV bronchiolitis had a more severe clinical course. However, virologic testing for RSV had low specificity in identifying at-risk patients for hospitalization, longer hospital length of stay, and need of oxygen therapy and nasogastric tube (44, 40, 42, and 35 %, respectively), and while statistically significant, the positive likelihood ratios were only slightly greater than 1. CONCLUSION Although RSV bronchiolitis has a more severe clinical course, virologic testing does not help in management decisions, and at an individual level, as a performance test, it seems insufficient to precisely predict outcomes.
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