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Fayazi AR, Sesia M, Anand KJS. Hyperoxemia among Pediatric Intensive Care Unit Patients Receiving Oxygen Therapy. J Pediatr Intensive Care 2024; 13:184-191. [PMID: 38919694 PMCID: PMC11196156 DOI: 10.1055/s-0041-1740586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 11/09/2021] [Indexed: 10/19/2022] Open
Abstract
Supratherapeutic oxygen levels consistently cause oxygen toxicity in the lungs and other organs. The prevalence and severity of hyperoxemia among pediatric intensive care unit (PICU) patients remain unknown. This was the first study to examine the prevalence and duration of hyperoxemia in PICU patients receiving oxygen therapy. This is a retrospective chart review. This was performed in a setting of 36-bed PICU in a quaternary-care children's hospital. All the patients were children aged <18 years, admitted to the PICU for ≥24 hours, receiving oxygen therapy for ≥12 hours who had at least one arterial blood gas during this time. There was no intervention. Of 5,251 patients admitted to the PICU, 614 were included in the study. On average, these patients received oxygen therapy for 91% of their time in the PICU and remained hyperoxemic, as measured by pulse oximetry, for 65% of their time on oxygen therapy. Patients on oxygen therapy remained hyperoxemic for a median of 38 hours per patient and only 1.1% of patients did not experience any hyperoxemia. Most of the time (87.5%) patients received oxygen therapy through a fraction of inspired oxygen (FiO 2 )-adjustable device. Mean FiO 2 on noninvasive support was 0.56 and on invasive support was 0.37. Mean partial pressure of oxygen (PaO 2 ) on oxygen therapy was 108.7 torr and 3,037 (42.1%) of PaO 2 measurements were >100 torr. Despite relatively low FiO 2 , PICU patients receiving oxygen therapy are commonly exposed to prolonged hyperoxemia, which may contribute to ongoing organ injury.
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Affiliation(s)
- Azadeh R. Fayazi
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Palo Alto, California, United States
| | - Matteo Sesia
- Department of Data Sciences and Operations, USC Marshall School of Business, Los Angeles, California, United States
| | - Kanwaljeet J. S. Anand
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Palo Alto, California, United States
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2
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Ross CE. Oxygenation and Ventilation after Pediatric In-Hospital Cardiac Arrest: Moving Targets? Ann Am Thorac Soc 2024; 21:856-857. [PMID: 38819137 PMCID: PMC11160124 DOI: 10.1513/annalsats.202404-339ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024] Open
Affiliation(s)
- Catherine E Ross
- Division of Medical Critical Care, Department of Pediatrics, Boston Children's Hospital, and
- Center for Resuscitation Science, Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
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3
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Frazier AH, Topjian AA, Reeder RW, Morgan RW, Fink EL, Franzon D, Graham K, Harding ML, Mourani PM, Nadkarni VM, Wolfe HA, Ahmed T, Bell MJ, Burns C, Carcillo JA, Carpenter TC, Diddle JW, Federman M, Friess SH, Hall M, Hehir DA, Horvat CM, Huard LL, Maa T, Meert KL, Naim MY, Notterman D, Pollack MM, Schneiter C, Sharron MP, Srivastava N, Viteri S, Wessel D, Yates AR, Sutton RM, Berg RA. Association of Pediatric Postcardiac Arrest Ventilation and Oxygenation with Survival Outcomes. Ann Am Thorac Soc 2024; 21:895-906. [PMID: 38507645 PMCID: PMC11160133 DOI: 10.1513/annalsats.202311-948oc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/18/2024] [Indexed: 03/22/2024] Open
Abstract
Rationale: Adult and pediatric studies provide conflicting data regarding whether post-cardiac arrest hypoxemia, hyperoxemia, hypercapnia, and/or hypocapnia are associated with worse outcomes. Objectives: We sought to determine whether postarrest hypoxemia or postarrest hyperoxemia is associated with lower rates of survival to hospital discharge, compared with postarrest normoxemia, and whether postarrest hypocapnia or hypercapnia is associated with lower rates of survival, compared with postarrest normocapnia. Methods: An embedded prospective observational study during a multicenter interventional cardiopulmonary resuscitation trial was conducted from 2016 to 2021. Patients ⩽18 years old and with a corrected gestational age of ≥37 weeks who received chest compressions for cardiac arrest in one of the 18 intensive care units were included. Exposures during the first 24 hours postarrest were hypoxemia, hyperoxemia, or normoxemia-defined as lowest arterial oxygen tension/pressure (PaO2) <60 mm Hg, highest PaO2 ⩾200 mm Hg, or every PaO2 60-199 mm Hg, respectively-and hypocapnia, hypercapnia, or normocapnia, defined as lowest arterial carbon dioxide tension/pressure (PaCO2) <30 mm Hg, highest PaCO2 ⩾50 mm Hg, or every PaCO2 30-49 mm Hg, respectively. Associations of oxygenation and carbon dioxide group with survival to hospital discharge were assessed using Poisson regression with robust error estimates. Results: The hypoxemia group was less likely to survive to hospital discharge, compared with the normoxemia group (adjusted relative risk [aRR] = 0.71; 95% confidence interval [CI] = 0.58-0.87), whereas survival in the hyperoxemia group did not differ from that in the normoxemia group (aRR = 1.0; 95% CI = 0.87-1.15). The hypercapnia group was less likely to survive to hospital discharge, compared with the normocapnia group (aRR = 0.74; 95% CI = 0.64-0.84), whereas survival in the hypocapnia group did not differ from that in the normocapnia group (aRR = 0.91; 95% CI = 0.74-1.12). Conclusions: Postarrest hypoxemia and hypercapnia were each associated with lower rates of survival to hospital discharge.
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Affiliation(s)
- Aisha H. Frazier
- Nemours Cardiac Center, and
- Department of Pediatrics, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Alexis A. Topjian
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ron W. Reeder
- Department of Pediatrics, University of Utah, Salt Lake City, Utah
| | - Ryan W. Morgan
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ericka L. Fink
- Department of Critical Care Medicine, UPMC Children’s Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Deborah Franzon
- Department of Pediatrics, Benioff Children’s Hospital, University of California, San Francisco, San Francisco, California
| | - Kathryn Graham
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | - Peter M. Mourani
- Department of Pediatrics, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado
| | - Vinay M. Nadkarni
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Heather A. Wolfe
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Tageldin Ahmed
- Department of Pediatrics, Children’s Hospital of Michigan, Central Michigan University, Detroit, Michigan
| | - Michael J. Bell
- Department of Pediatrics, Children’s National Hospital, George Washington University School of Medicine, Washington, DC
| | - Candice Burns
- Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri
| | - Joseph A. Carcillo
- Department of Critical Care Medicine, UPMC Children’s Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Todd C. Carpenter
- Department of Pediatrics, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado
| | - J. Wesley Diddle
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Myke Federman
- Department of Pediatrics, Mattel Children’s Hospital, University of California Los Angeles, Los Angeles, California
| | - Stuart H. Friess
- Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri
| | - Mark Hall
- Department of Pediatrics, Nationwide Children’s Hospital, The Ohio State University, Columbus, Ohio; and
| | - David A. Hehir
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Christopher M. Horvat
- Department of Critical Care Medicine, UPMC Children’s Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Leanna L. Huard
- Department of Pediatrics, Mattel Children’s Hospital, University of California Los Angeles, Los Angeles, California
| | - Tensing Maa
- Department of Pediatrics, Nationwide Children’s Hospital, The Ohio State University, Columbus, Ohio; and
| | - Kathleen L. Meert
- Department of Pediatrics, Children’s Hospital of Michigan, Central Michigan University, Detroit, Michigan
| | - Maryam Y. Naim
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Daniel Notterman
- Department of Molecular Biology, Princeton University, Princeton, New Jersey
| | - Murray M. Pollack
- Department of Pediatrics, Children’s National Hospital, George Washington University School of Medicine, Washington, DC
| | - Carleen Schneiter
- Department of Pediatrics, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado
| | - Matthew P. Sharron
- Department of Pediatrics, Children’s National Hospital, George Washington University School of Medicine, Washington, DC
| | - Neeraj Srivastava
- Department of Pediatrics, Mattel Children’s Hospital, University of California Los Angeles, Los Angeles, California
| | - Shirley Viteri
- Department of Pediatrics, Nemours Children’s Health, Wilmington, Delaware
- Department of Pediatrics, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
| | - David Wessel
- Department of Pediatrics, Children’s National Hospital, George Washington University School of Medicine, Washington, DC
| | - Andrew R. Yates
- Department of Pediatrics, Nationwide Children’s Hospital, The Ohio State University, Columbus, Ohio; and
| | - Robert M. Sutton
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Robert A. Berg
- Department of Anesthesiology and Critical Care Medicine, The Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania
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Slovis JC, Bach A, Beaulieu F, Zuckerberg G, Topjian A, Kirschen MP. Neuromonitoring after Pediatric Cardiac Arrest: Cerebral Physiology and Injury Stratification. Neurocrit Care 2024; 40:99-115. [PMID: 37002474 PMCID: PMC10544744 DOI: 10.1007/s12028-023-01685-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 01/30/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND Significant long-term neurologic disability occurs in survivors of pediatric cardiac arrest, primarily due to hypoxic-ischemic brain injury. Postresuscitation care focuses on preventing secondary injury and the pathophysiologic cascade that leads to neuronal cell death. These injury processes include reperfusion injury, perturbations in cerebral blood flow, disturbed oxygen metabolism, impaired autoregulation, cerebral edema, and hyperthermia. Postresuscitation care also focuses on early injury stratification to allow clinicians to identify patients who could benefit from neuroprotective interventions in clinical trials and enable targeted therapeutics. METHODS In this review, we provide an overview of postcardiac arrest pathophysiology, explore the role of neuromonitoring in understanding postcardiac arrest cerebral physiology, and summarize the evidence supporting the use of neuromonitoring devices to guide pediatric postcardiac arrest care. We provide an in-depth review of the neuromonitoring modalities that measure cerebral perfusion, oxygenation, and function, as well as neuroimaging, serum biomarkers, and the implications of targeted temperature management. RESULTS For each modality, we provide an in-depth review of its impact on treatment, its ability to stratify hypoxic-ischemic brain injury severity, and its role in neuroprognostication. CONCLUSION Potential therapeutic targets and future directions are discussed, with the hope that multimodality monitoring can shift postarrest care from a one-size-fits-all model to an individualized model that uses cerebrovascular physiology to reduce secondary brain injury, increase accuracy of neuroprognostication, and improve outcomes.
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Affiliation(s)
- Julia C Slovis
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, 6 Wood - 6105, Philadelphia, PA, 19104, USA.
| | - Ashley Bach
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, 6 Wood - 6105, Philadelphia, PA, 19104, USA
| | - Forrest Beaulieu
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, 6 Wood - 6105, Philadelphia, PA, 19104, USA
| | - Gabe Zuckerberg
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, 6 Wood - 6105, Philadelphia, PA, 19104, USA
| | - Alexis Topjian
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, 6 Wood - 6105, Philadelphia, PA, 19104, USA
| | - Matthew P Kirschen
- Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, 6 Wood - 6105, Philadelphia, PA, 19104, USA
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Sznycer-Taub NR, Lowery R, Yu S, Owens G, Charpie JR. Reducing Hyperoxia Exposure in Infants Requiring Veno-Arterial Extracorporeal Membrane Oxygenation after Cardiac Surgery. Pediatr Cardiol 2024; 45:143-149. [PMID: 37698698 DOI: 10.1007/s00246-023-03277-9] [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] [Received: 07/06/2023] [Accepted: 08/12/2023] [Indexed: 09/13/2023]
Abstract
Recent studies have suggested worse outcomes in patients exposed to hyperoxia while supported on veno-arterial extracorporeal membrane oxygenation (VA-ECMO). However, there are no data regarding the effect of reducing hyperoxia exposure in this population by adjusting the fraction of inspired oxygen (FiO2) of the sweep gas of the ECMO circuit. A retrospective review of 143 patients less than 1 year of age requiring VA-ECMO following cardiac surgery from 2007 to 2018 was completed. 64 patients had a FiO2 of the sweep gas < 100% with an average PaO2 of 210 mm Hg in the first 48 h of support [vs 405 mm Hg in the group with a FiO2 = 100% (p < 0.0001)]. There was no difference in mortality at 30 days after surgery or other markers of end-organ injury with respect to whether the FiO2 was adjusted. At least one PaO2 value < 200 mm Hg in the first 24 h on ECMO in patients with a FiO2 < 100% trended toward a significant association (OR = 0.45, 95% CI = 0.21-1.01) with decreased risk of 30-day mortality when compared to those patients with a FiO2 = 100% and all PaO2 values > 200 mm Hg. Only 47% of patients with a FiO2 < 100% had an average PaO2 less than 200 mm Hg which indicates that the intervention of reducing the FiO2 of the sweep gas was not entirely effective at reducing hyperoxia exposure. Future research is needed for developing clinical protocols to avoid hyperoxia and to identify mechanisms for hyperoxia-induced injury on VA-ECMO.
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Affiliation(s)
- Nathaniel R Sznycer-Taub
- Division of Pediatric Cardiology, C.S. Mott Children's Hospital, University of Michigan, 1540 East Hospital Drive, Ann Arbor, MI, 48109-4204, USA.
| | - Ray Lowery
- Division of Pediatric Cardiology, C.S. Mott Children's Hospital, University of Michigan, 1540 East Hospital Drive, Ann Arbor, MI, 48109-4204, USA
| | - Sunkyung Yu
- Division of Pediatric Cardiology, C.S. Mott Children's Hospital, University of Michigan, 1540 East Hospital Drive, Ann Arbor, MI, 48109-4204, USA
| | - Gabe Owens
- Division of Pediatric Cardiology, C.S. Mott Children's Hospital, University of Michigan, 1540 East Hospital Drive, Ann Arbor, MI, 48109-4204, USA
| | - John R Charpie
- Division of Pediatric Cardiology, C.S. Mott Children's Hospital, University of Michigan, 1540 East Hospital Drive, Ann Arbor, MI, 48109-4204, USA
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Kochar A, Hildebrandt K, Silverstein R, Appavu B. Approaches to neuroprotection in pediatric neurocritical care. World J Crit Care Med 2023; 12:116-129. [PMID: 37397588 PMCID: PMC10308339 DOI: 10.5492/wjccm.v12.i3.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 03/30/2023] [Accepted: 04/12/2023] [Indexed: 06/08/2023] Open
Abstract
Acute neurologic injuries represent a common cause of morbidity and mortality in children presenting to the pediatric intensive care unit. After primary neurologic insults, there may be cerebral brain tissue that remains at risk of secondary insults, which can lead to worsening neurologic injury and unfavorable outcomes. A fundamental goal of pediatric neurocritical care is to mitigate the impact of secondary neurologic injury and improve neurologic outcomes for critically ill children. This review describes the physiologic framework by which strategies in pediatric neurocritical care are designed to reduce the impact of secondary brain injury and improve functional outcomes. Here, we present current and emerging strategies for optimizing neuroprotective strategies in critically ill children.
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Affiliation(s)
- Angad Kochar
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
| | - Kara Hildebrandt
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
| | - Rebecca Silverstein
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
| | - Brian Appavu
- Department of Neurosciences, Phoenix Children's Hospital, Phoenix, AZ 85213, United States
- Child Health, University of Arizona College of Medicine - Phoenix, Phoenix, AZ 85016, United States
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7
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Holton C, Lee BR, Escobar H, Benton T, Bauer P. Admission Pao2 and Mortality Among PICU Patients and Select Diagnostic Subgroups. Pediatr Crit Care Med 2023:00130478-990000000-00177. [PMID: 37092837 DOI: 10.1097/pcc.0000000000003247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
OBJECTIVES Evaluate the relationship between admission Pao2 and mortality in a large multicenter dataset and among diagnostic subgroups. DESIGN Retrospective cohort study. SETTING North American PICUs participating in Virtual Pediatric Systems, LLC (VPS), 2015-2019. PATIENTS Noncardiac patients 18 years or younger admitted to a VPS PICU with admission Pao2. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Thirteen thousand seventy-one patient encounters were included with an overall mortality of 13.52%. Age categories were equally distributed among survivors and nonsurvivors with the exception of small differences among neonates and adolescents. Importantly, there was a tightly fitting quadratic relationship between admission Pao2 and mortality, with the highest mortality rates seen among hypoxemic and hyperoxemic patients (likelihood-ratio test p < 0.001). This relationship persisted after adjustment for illness severity using modified Pediatric Index of Mortality 3 scores. A similar U-shaped relationship was demonstrated among patients with diagnoses of trauma, head trauma, sepsis, renal failure, hemorrhagic shock, and drowning. However, among the 1,500 patients admitted following cardiac arrest, there was no clear relationship between admission Pao2 and mortality. CONCLUSIONS In a large multicenter pediatric cohort, admission Pao2 demonstrates a tightly fitting quadratic relationship with mortality. The persistence of this relationship among some but not all diagnostic subgroups suggests the pathophysiology of certain disease states may modify the hyperoxemia association.
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Affiliation(s)
- Caroline Holton
- Division of Critical Care, Department of Pediatrics, University of Missouri-Kansas City and Children's Mercy Hospital, Kansas City, MO
| | - Brian R Lee
- Division of Health Services and Outcomes Research, Children's Mercy Hospital, Kansas City, MO
| | - Hugo Escobar
- Division of Pulmonology, Department of Pediatrics, University of Missouri-Kansas City and Children's Mercy Hospital, Kansas City, MO
| | - Tara Benton
- Division of Critical Care, Department of Pediatrics, University of Missouri-Kansas City and Children's Mercy Hospital, Kansas City, MO
| | - Paul Bauer
- Division of Critical Care, Department of Pediatrics, University of Missouri-Kansas City and Children's Mercy Hospital, Kansas City, MO
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8
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Rakkar J, Azar J, Pelletier JH, Au AK, Bell MJ, Simon DW, Kochanek PM, Clark RSB, Horvat CM. Temporal Patterns in Brain Tissue and Systemic Oxygenation Associated with Mortality After Severe Traumatic Brain Injury in Children. Neurocrit Care 2023; 38:71-84. [PMID: 36171518 PMCID: PMC9957965 DOI: 10.1007/s12028-022-01602-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 08/30/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Brain tissue hypoxia is an independent risk factor for unfavorable outcomes in traumatic brain injury (TBI); however, systemic hyperoxemia encountered in the prevention and/or response to brain tissue hypoxia may also impact risk of mortality. We aimed to identify temporal patterns of partial pressure of oxygen in brain tissue (PbtO2), partial pressure of arterial oxygen (PaO2), and PbtO2/PaO2 ratio associated with mortality in children with severe TBI. METHODS Data were extracted from the electronic medical record of a quaternary care children's hospital with a level I trauma center for patients ≤ 18 years old with severe TBI and the presence of PbtO2 and/or intracranial pressure monitors. Temporal analyses were performed for the first 5 days of hospitalization by using locally estimated scatterplot smoothing for less than 1,000 observations and generalized additive models with integrated smoothness estimation for more than 1,000 observations. RESULTS A total of 138 intracranial pressure-monitored patients with TBI (median 5.0 [1.9-12.8] years; 65% boys; admission Glasgow Coma Scale score 4 [3-7]; mortality 18%), 71 with PbtO2 monitors and 67 without PbtO2 monitors were included. Distinct patterns in PbtO2, PaO2, and PbtO2/PaO2 were evident between survivors and nonsurvivors over the first 5 days of hospitalization. Time-series analyses showed lower PbtO2 values on day 1 and days 3-5 and lower PbtO2/PaO2 ratios on days 1, 2, and 5 among patients who died. Analysis of receiver operating characteristics curves using Youden's index identified a PbtO2 of 30 mm Hg and a PbtO2/PaO2 ratio of 0.12 as the cut points for discriminating between survivors and nonsurvivors. Univariate logistic regression identified PbtO2 < 30 mm Hg, hyperoxemia (PaO2 ≥ 300 mm Hg), and PbtO2/PaO2 ratio < 0.12 to be independently associated with mortality. CONCLUSIONS Lower PbtO2, higher PaO2, and lower PbtO2/PaO2 ratio, consistent with impaired oxygen diffusion into brain tissue, were associated with mortality in this cohort of children with severe TBI. These results corroborate our prior work that suggests targeting a higher PbtO2 threshold than recommended in current guidelines and highlight the potential use of the PbtO2/PaO2 ratio in the management of severe pediatric TBI.
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Affiliation(s)
- Jaskaran Rakkar
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Justin Azar
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Pediatric Critical Care, Geisinger Medical Center, Danville, PA, USA
| | - Jonathan H Pelletier
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Alicia K Au
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Brain Care Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Michael J Bell
- Division of Critical Care Medicine, Children's National Hospital, Washington, DC, USA
| | - Dennis W Simon
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Brain Care Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Patrick M Kochanek
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Robert S B Clark
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
- Brain Care Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA
| | - Christopher M Horvat
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
- Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
- Brain Care Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA.
- Department of Pediatrics, Division of Health Informatics, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, USA.
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9
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Santos-Folgar M, Lafuente-Filgueira P, Otero-Agra M, Fernández-Méndez F, Barcala-Furelos R, Trastoy-Quintela J, Aranda-García S, Fernández-Méndez M, Rodríguez-Núñez A. Quality of Ventilations during Infant Resuscitation: A Simulation Study Comparing Endotracheal Tube with Face Mask. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9111757. [PMID: 36421206 PMCID: PMC9689187 DOI: 10.3390/children9111757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/12/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022]
Abstract
Background: There are few studies that analyze ventilation volume and pressure during CPR carried out on infants. The aim of this study was to evaluate the quality of the ventilations administered using a self-inflating bag with an endotracheal tube and a face mask in manikins. Methods: a quasi-experimental simulation study with a randomized case crossover design [endotracheal tube (ET) vs. face mask (FM)] was performed. Sixty participants who were previously trained nursing students participated in the study. The estimated air volumes breathed, and the pressure generated during each ventilation were assessed and the quality of the chest compressions was recorded. Results: the ET test presented a higher percentage of ventilations that reached the lungs (100% vs. 86%; p < 0.001), with adequate volume (60% vs. 28%; p < 0.001) in comparison to FM. Both tests presented peak pressures generated in the airway greater than 30 cm H2O (ET: 22% vs. FM: 31%; p = 0.03). Conclusions: performing quality CPR ventilations on an infant model is not an easy skill for trained nursing students. Both tests presented a significant incidence of excessive peak pressure during ventilations. Specific training, focused on quality of ventilations guided by a manometer attached to the self-inflating bag, must be considered in life support training for pediatric providers.
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Affiliation(s)
- Myriam Santos-Folgar
- REMOSS Research Group, Faculty of Education and Sport Sciences, University of Vigo, 36005 Pontevedra, Spain
- School of Nursing, University of Vigo, 36001 Pontevedra, Spain
- Department of Obstetrics, Complexo Hospitalario of Pontevedra, Sergas, 36002 Pontevedra, Spain
| | | | - Martín Otero-Agra
- REMOSS Research Group, Faculty of Education and Sport Sciences, University of Vigo, 36005 Pontevedra, Spain
- School of Nursing, University of Vigo, 36001 Pontevedra, Spain
- Correspondence: (M.O.-A.); (F.F.-M.)
| | - Felipe Fernández-Méndez
- REMOSS Research Group, Faculty of Education and Sport Sciences, University of Vigo, 36005 Pontevedra, Spain
- School of Nursing, University of Vigo, 36001 Pontevedra, Spain
- Life Support and Simulation, Institute of Research of Santiago, CLINURSID Research Group, University of Santiago de Compostela, Santiago de Compostela, 15706 A Coruña, Spain
- Correspondence: (M.O.-A.); (F.F.-M.)
| | - Roberto Barcala-Furelos
- REMOSS Research Group, Faculty of Education and Sport Sciences, University of Vigo, 36005 Pontevedra, Spain
- Life Support and Simulation, Institute of Research of Santiago, CLINURSID Research Group, University of Santiago de Compostela, Santiago de Compostela, 15706 A Coruña, Spain
- Faculty of Education and Sports Sciences, University of Vigo, 36005 Pontevedra, Spain
| | - Javier Trastoy-Quintela
- Paediatric Critical, Intermediate and Palliative Care Section, Hospital Clínico Universitario de Santiago de Compostela, 15706 A Coruña, Spain
| | - Silvia Aranda-García
- GRAFIS Research Group, Institut Nacional d’Educació Física de Catalunya (INEFC), Universitat de Barcelona, 08007 Barcelona, Spain
| | - María Fernández-Méndez
- REMOSS Research Group, Faculty of Education and Sport Sciences, University of Vigo, 36005 Pontevedra, Spain
- School of Nursing, University of Vigo, 36001 Pontevedra, Spain
- Life Support and Simulation, Institute of Research of Santiago, CLINURSID Research Group, University of Santiago de Compostela, Santiago de Compostela, 15706 A Coruña, Spain
| | - Antonio Rodríguez-Núñez
- Life Support and Simulation, Institute of Research of Santiago, CLINURSID Research Group, University of Santiago de Compostela, Santiago de Compostela, 15706 A Coruña, Spain
- Paediatric Critical, Intermediate and Palliative Care Section, Hospital Clínico Universitario de Santiago de Compostela, 15706 A Coruña, Spain
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10
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Balcarcel DR, Coates BM, Chong G, Sanchez-Pinto LN. Excessive Oxygen Supplementation in the First Day of Mechanical Ventilation Is Associated With Multiple Organ Dysfunction and Death in Critically Ill Children. Pediatr Crit Care Med 2022; 23:89-98. [PMID: 35119429 PMCID: PMC8820279 DOI: 10.1097/pcc.0000000000002861] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVES To determine if greater cumulative exposure to oxygen despite adequate oxygenation over the first 24 hours of mechanical ventilation is associated with multiple organ dysfunction syndrome at 7 days and inhospital mortality in critically ill children. DESIGN Retrospective, observational cohort study. SETTING Two urban, academic PICUs. PATIENTS Patients less than 18 years old who required mechanical ventilation within 3 days of admission between 2010 and 2018 (Lurie Children's Hospital) or 2010 and 2016 (Comer Children's Hospital). INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS There were 5,406 mechanically ventilated patients, of which 960 (17.8%) had multiple organ dysfunction syndrome on day 7 of admission and 319 died (5.9%) during their hospitalization. Cumulative exposure to greater amounts of supplemental oxygen, while peripheral oxygen saturation was 95% or more during the first 24 hours of mechanical ventilation was independently associated with an increased risk of both multiple organ dysfunction syndrome on day 7 and inhospital mortality after adjusting for confounders. Patients in the highest quartile of cumulative oxygen exposure had an increased odds of multiple organ dysfunction syndrome on day 7 (adjusted odds ratio, 3.9; 95% CI, 2.7-5.9) and inhospital mortality (adjusted odds ratio, 1.7; 95% CI, 1.1-2.9), when compared with those in the lowest quartile of cumulative oxygen exposure after adjusting for age, presence of multiple organ dysfunction syndrome on day 1 of mechanical ventilation, immunocompromised state, and study site. CONCLUSIONS Greater cumulative exposure to excess supplemental oxygen in the first 24 hours of mechanical ventilation is independently associated with an increased risk of multiple organ dysfunction syndrome on day 7 of admission and inhospital mortality in critically ill children.
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Affiliation(s)
- Daniel R. Balcarcel
- Department of Pediatrics (Critical Care), Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Bria M. Coates
- Department of Pediatrics (Critical Care), Northwestern University Feinberg School of Medicine, Chicago, IL
- Division of Critical Care, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL
| | - Grace Chong
- Section of Critical Care, The University of Chicago Comer Children’s Hospital, Chicago, IL
| | - L. Nelson Sanchez-Pinto
- Department of Pediatrics (Critical Care), Northwestern University Feinberg School of Medicine, Chicago, IL
- Division of Critical Care, Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, IL
- Section of Critical Care, The University of Chicago Comer Children’s Hospital, Chicago, IL
- Department of Preventive Medicine (Health and Biomedical Informatics), Northwestern University Feinberg School of Medicine, Chicago, IL
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11
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Lilien TA, Groeneveld NS, van Etten-Jamaludin F, Peters MJ, Buysse CMP, Ralston SL, van Woensel JBM, Bos LDJ, Bem RA. Association of Arterial Hyperoxia With Outcomes in Critically Ill Children: A Systematic Review and Meta-analysis. JAMA Netw Open 2022; 5:e2142105. [PMID: 34985516 PMCID: PMC8733830 DOI: 10.1001/jamanetworkopen.2021.42105] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
IMPORTANCE Oxygen supplementation is a cornerstone treatment in pediatric critical care. Accumulating evidence suggests that overzealous use of oxygen, leading to hyperoxia, is associated with worse outcomes compared with patients with normoxia. OBJECTIVES To evaluate the association of arterial hyperoxia with clinical outcome in critically ill children among studies using varied definitions of hyperoxia. DATA SOURCES A systematic search of EMBASE, MEDLINE, Cochrane Library, and ClinicalTrials.gov from inception to February 1, 2021, was conducted. STUDY SELECTION Clinical trials or observational studies of children admitted to the pediatric intensive care unit that examined hyperoxia, by any definition, and described at least 1 outcome of interest. No language restrictions were applied. DATA EXTRACTION AND SYNTHESIS The Meta-analysis of Observational Studies in Epidemiology guideline and Newcastle-Ottawa Scale for study quality assessment were used. The review process was performed independently by 2 reviewers. Data were pooled with a random-effects model. MAIN OUTCOMES AND MEASURES The primary outcome was 28-day mortality; this time was converted to mortality at the longest follow-up owing to insufficient studies reporting the initial primary outcome. Secondary outcomes included length of stay, ventilator-related outcomes, extracorporeal organ support, and functional performance. RESULTS In this systematic review, 16 studies (27 555 patients) were included. All, except 1 randomized clinical pilot trial, were observational cohort studies. Study populations included were post-cardiac arrest (n = 6), traumatic brain injury (n = 1), extracorporeal membrane oxygenation (n = 2), and general critical care (n = 7). Definitions and assessment of hyperoxia differed among included studies. Partial pressure of arterial oxygen was most frequently used to define hyperoxia and mainly by categorical cutoff. In total, 11 studies (23 204 patients) were pooled for meta-analysis. Hyperoxia, by any definition, showed an odds ratio of 1.59 (95% CI, 1.00-2.51; after Hartung-Knapp adjustment, 95% CI, 1.05-2.38) for mortality with substantial between-study heterogeneity (I2 = 92%). This association was also found in less heterogeneous subsets. A signal of harm was observed at higher thresholds of arterial oxygen levels when grouped by definition of hyperoxia. Secondary outcomes were inadequate for meta-analysis. CONCLUSIONS AND RELEVANCE These results suggest that, despite methodologic limitations of the studies, hyperoxia is associated with mortality in critically ill children. This finding identifies the further need for prospective observational studies and importance to address the clinical implications of hyperoxia in critically ill children.
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Affiliation(s)
- Thijs A. Lilien
- Pediatric Intensive Care Unit, Emma Children’s Hospital, Amsterdam UMC, Amsterdam, the Netherlands
| | - Nina S. Groeneveld
- Pediatric Intensive Care Unit, Emma Children’s Hospital, Amsterdam UMC, Amsterdam, the Netherlands
| | - Faridi van Etten-Jamaludin
- Research Support, Medical Library AMC, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Mark J. Peters
- Paediatric Intensive Care, Great Ormond St Hospital and Respiratory, Critical Care and Anesthesia Unit, UCL Great Ormond Street Institute of Child Health, NIHR Biomedical Research Centre, London, United Kingdom
| | - Corinne M. P. Buysse
- Intensive Care and Department of Pediatric Surgery, Erasmus MC Sophia Children’s Hospital, Rotterdam, the Netherlands
| | | | - Job B. M. van Woensel
- Pediatric Intensive Care Unit, Emma Children’s Hospital, Amsterdam UMC, Amsterdam, the Netherlands
| | | | - Reinout A. Bem
- Pediatric Intensive Care Unit, Emma Children’s Hospital, Amsterdam UMC, Amsterdam, the Netherlands
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12
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Barreto JA, Weiss NS, Nielsen KR, Farris R, Roberts JS. Hyperoxia after pediatric cardiac arrest: Association with survival and neurological outcomes. Resuscitation 2021; 171:8-14. [PMID: 34906621 DOI: 10.1016/j.resuscitation.2021.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/02/2021] [Accepted: 12/06/2021] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To evaluate the association between hyperoxia in the first 24 hours after in-hospital pediatric cardiac arrest and mortality and poor neurological outcome. METHODS This is a retrospective cohort study of inpatients in a freestanding children's hospital. We included all patients younger than 18 years of age with in-hospital cardiac arrest between December 2012 and December 2019, who achieved return of circulation (ROC) for longer than 20 minutes, survived at least 24 hours after cardiac arrest, and had documented PaO2 or SpO2 during the first 24 hours after ROC. Hyperoxia was defined as having at least one level of PaO2 above 200 mmHg in the first 24 hours after cardiac arrest. RESULTS There were 187 patients who met eligibility criteria, of whom 48% had hyperoxia during the first 24 hours after cardiac arrest. In-hospital mortality was 41%, with similar mortality between oxygenation groups (hyperoxia 45% vs no hyperoxia 38%). We did not observe an association between hyperoxia and in-hospital mortality or poor neurological outcome after adjusting for confounders (odds ratio 1.2, 95% confidence interval 0.5-2.8). On sensitivity analysis using two additional cutoffs of PaO2 (>150 mmHg and > 300 mmHg), there was also no association with in-hospital mortality or poor neurological outcome after adjusting for confounders. Similarly, on multivariable logistic regression using SpO2 > 99% as the exposure, there was no difference in the frequency of death or poor neurological outcome at hospital discharge. CONCLUSION Hyperoxia after pediatric cardiac arrest was common and was not associated with worse in-hospital outcomes.
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Affiliation(s)
- Jessica A Barreto
- Department of Cardiology, Boston Children's Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA, United States.
| | - Noel S Weiss
- Department of Epidemiology, University of Washington, Seattle, WA, United States.
| | - Katie R Nielsen
- Department of Pediatrics, Division of Critical Care Medicine, Seattle Children's Hospital, University of Washington School of Medicine, Seattle, WA, United States.
| | - Reid Farris
- Department of Pediatrics, Division of Critical Care Medicine, Seattle Children's Hospital, University of Washington School of Medicine, Seattle, WA, United States.
| | - Joan S Roberts
- Department of Pediatrics, Division of Critical Care Medicine, Seattle Children's Hospital, University of Washington School of Medicine, Seattle, WA, United States.
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13
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Joram N, Beqiri E, Pezzato S, Andrea M, Robba C, Liet JM, Chenouard A, Bourgoin P, Czosnyka M, Léger PL, Smielewski P. Impact of Arterial Carbon Dioxide and Oxygen Content on Cerebral Autoregulation Monitoring Among Children Supported by ECMO. Neurocrit Care 2021; 35:480-490. [PMID: 33686559 DOI: 10.1007/s12028-021-01201-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 01/29/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Cerebral autoregulation (CA) impairment is associated with neurological complications among children supported by extracorporeal membrane oxygenation (ECMO). Severe variations of arterial CO2 (PaCO2) and O2 (PaO2) tension after ECMO onset are common and associate with mortality and poor neurological outcome. The impact of gas exchange on CA among critically ill patients is poorly studied. METHODS Retrospective analysis of data collected prospectively from 30 children treated with veno-arterial or veno-venous ECMO in the PICU of Nantes University Hospital, France. A correlation coefficient between the variations of regional cerebral oxygen saturation (rSO2) and the variations of mean arterial blood pressure (MAP) was calculated as an index of CA (cerebral oxygenation reactivity index, COx). Cox-MAP plots were investigated allowing determining lower limit of autoregulation (LLA) and upper limit of autoregulation (ULA) limits of autoregulation. Age-based normal blood pressure was used to adjust the MAP, LLA, and ULA data from each patient and then reported as percentage (nMAP, nLLA, and nULA, respectively). RSO2, COx, nMAP, nLLA, and nULA values were averaged over one hour before each arterial blood gas (ABG) sample during ECMO run. RESULTS Thirty children (median age 4.8 months [Interquartile range (IQR) 0.7-39.1], median weight 5 kg [IQR 4-15]) experiencing 31 ECMO runs were included in the study. Three hundred and ninety ABGs were analyzed. The highest values of COx were observed on day 1 (D1) of ECMO. The relationship between COx and PaCO2 was nonlinear, but COx values tended to be lower in case of hypercapnia compared to normocapnia. During the whole ECMO run, a weak but significant correlation between PaCO2 and nULA was observed (R = 0.432, p = 0.02). On D1 of ECMO, this correlation was stronger (R = 0.85, p = 0.03) and a positive correlation between nLLA and PaCO2 was also found (R = 0.726, p < 0.001). A very weak negative correlation between PaO2 and nULA was observed within the whole ECMO run and on D1 of ECMO (R = -0.07 p = 0.04 and R = -0.135 p = <0.001, respectively). The difference between nULA and nLLA representing the span of the autoregulation plateau was positively correlated with PaCO2 and negatively correlated with PaO2 (R = 0.224, p = 0.01 and R = -0.051, p = 0.004, respectively). CONCLUSIONS We observed a complex relationship between PaCO2 and CA, influenced by the level of blood pressure. Hypercapnia seems to be globally protective in normotensive or hypertensive condition, while, in case of very low MAP, hypercapnia may disturb CA as it increases LLA. These data add additional arguments for very cautiously lower PaCO2, especially after ECMO start.
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Affiliation(s)
- Nicolas Joram
- Pediatric Intensive Care Unit, University Hospital of Nantes, Nantes, France. .,Clinical Investigation Center (CIC) 1413, University Hospital of Nantes, Nantes, France. .,INSERM U955-ENVA, University Paris 12, Paris, France.
| | - Erta Beqiri
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK.,Department of Physiology and Transplantation, Milan University, Milan, Italy
| | - Stefano Pezzato
- Pediatric Intensive Care Unit, IRCCS Giannina Gaslini Institute, Genoa, Italy
| | - Moscatelli Andrea
- Pediatric Intensive Care Unit, IRCCS Giannina Gaslini Institute, Genoa, Italy
| | - Chiara Robba
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK.,Policlinico San Martino IRCCS for Oncology and Neuroscience, Genova, Italy
| | - Jean-Michel Liet
- Pediatric Intensive Care Unit, University Hospital of Nantes, Nantes, France.,Clinical Investigation Center (CIC) 1413, University Hospital of Nantes, Nantes, France
| | - Alexis Chenouard
- Pediatric Intensive Care Unit, University Hospital of Nantes, Nantes, France.,Clinical Investigation Center (CIC) 1413, University Hospital of Nantes, Nantes, France
| | - Pierre Bourgoin
- Pediatric Intensive Care Unit, University Hospital of Nantes, Nantes, France.,Clinical Investigation Center (CIC) 1413, University Hospital of Nantes, Nantes, France
| | - Marek Czosnyka
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
| | - Pierre-Louis Léger
- INSERM U955-ENVA, University Paris 12, Paris, France.,Pediatric Intensive Care Unit, Trousseau University Hospital, Paris, France
| | - Peter Smielewski
- Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
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14
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Pelletier JH, Ramgopal S, Horvat CM. Hyperoxemia Is Associated With Mortality in Critically Ill Children. Front Med (Lausanne) 2021; 8:675293. [PMID: 34164417 PMCID: PMC8215123 DOI: 10.3389/fmed.2021.675293] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 04/27/2021] [Indexed: 11/26/2022] Open
Abstract
Multiple studies among adults have suggested a non-linear relationship between arterial partial pressure of oxygen (PaO2) and clinical outcomes. Meta-analyses in this population suggest that high levels of supplemental oxygen resulting in hyperoxia are associated with mortality. This mini-review focuses on the non-neonatal pediatric literature examining the relationship between PaO2 and mortality. While only one pilot pediatric randomized-controlled trials exists, over the past decade, there have been at least eleven observational studies examining the relationship between PaO2 values and mortality in critically ill children. These analyses of mixed-case pediatric ICU populations have generally reported a parabolic (“u-shaped”) relationship between PaO2 and mortality, similar to that seen in the adult literature. However, the estimates of the point at which hyperoxemia becomes deleterious have varied widely (300–550 mmHg). Where attempted, this effect has been robust to analyses restricted to the first PaO2 value obtained, those obtained within 24 h of admission, anytime during admission, and the number of hyperoxemic blood gases over time. These findings have also been noted when using various methods of risk-adjustment (accounting for severity of illness scores or complex chronic conditions). Similar relationships were found in the majority of studies restricted to patients undergoing care after cardiac arrest. Taken together, the majority of the literature suggests that there is a robust parabolic relationship between PaO2 and risk-adjusted pediatric ICU mortality, but that the exact threshold at which hyperoxemia becomes deleterious is unclear, and likely beyond the typical target value for most clinical indications. Findings suggest that clinicians should remain judicious and thoughtful in the use of supplemental oxygen therapy in critically ill children.
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Affiliation(s)
- Jonathan H Pelletier
- Division of Pediatric Critical Care Medicine, Department of Critical Care Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, United States
| | - Sriram Ramgopal
- Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Christopher M Horvat
- Division of Pediatric Critical Care Medicine, Department of Critical Care Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, United States.,Division of Health Informatics, Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA, United States
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15
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16
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Abstract
Pediatric cardiac arrest is a relatively rare but devastating presentation in infants and children. In contrast to adult patients, in whom a primary cardiac dysrhythmia is the most likely cause of cardiac arrest, pediatric patients experience cardiovascular collapse most frequently after an initial respiratory arrest. Aggressive treatment in the precardiac arrest state should be initiated to prevent deterioration and should focus on support of oxygenation, ventilation, and hemodynamics, regardless of the presumed cause. Unfortunately, outcomes for pediatric cardiac arrest, whether in hospital or out of hospital, continue to be poor.
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Affiliation(s)
- Nathan W Mick
- Department of Emergency Medicine, Pediatric Emergency Medicine, Maine Medical Center, 22 Bramhall Street, Portland, ME 04102, USA; Tufts University School of Medicine, Boston, MA, USA.
| | - Rachel J Williams
- Tufts University School of Medicine, Boston, MA, USA; Pediatric Emergency Medicine, Maine Medical Center, 22 Bramhall Street, Portland, ME 04102, USA
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17
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López J, Arias P, Domenech B, Horcajo D, Nocete JP, Zamora L, Fernández SN, López-Herce J. Effect of ventilation rate on recovery after cardiac arrest in a pediatric animal model. PLoS One 2020; 15:e0237736. [PMID: 32817703 PMCID: PMC7440626 DOI: 10.1371/journal.pone.0237736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 07/31/2020] [Indexed: 11/19/2022] Open
Abstract
AIMS To assess the impact of two different respiratory rates in hemodynamic, perfusion and ventilation parameters in a pediatric animal model of cardiac arrest (CA). METHODS An experimental randomized controlled trial was carried out in 50 piglets under asphyxial CA. After ROSC, they were randomized into two groups: 20 and 30 respirations per minute (rpm). Hemodynamic, perfusion and ventilation parameters were measured 10 minutes after asphyxia, just before ROSC and at 5, 15, 30 and 60 minutes after ROSC. Independent medians test, Kruskal-Wallis test and χ2 test, were used to compare continuous and categorical variables, respectively. Spearman's Rho was used to assess correlation between continuous variables. A p-value <0.05 was considered significant. RESULTS Arterial partial pressure of carbon dioxide (PaCO2) was significantly lower in the 30 rpm group after 15 minutes (41 vs. 54.5 mmHg, p <0.01), 30 minutes (39.5 vs. 51 mmHg, p < 0.01) and 60 minutes (36.5 vs. 48 mmHg, p = 0.02) of ROSC. The percentage of normoventilated subjects (PaCO2 30-50 mmHg) was significantly higher in the 30 rpm group throughout the experiment. pH normalization occurred faster in the 30 rpm group with significant differences at 60 minutes (7.40 vs. 7.34, p = 0.02). Lactic acid levels were high immediately after ROSC in both groups, but were significantly lower in the 20 rpm group at 30 (3.7 vs. 4.7 p = 0.04) and 60 minutes (2.6 vs. 3.6 p = 0.03). CONCLUSIONS This animal model of asphyxial CA shows that a respiratory rate of 30 rpm is more effective to reach normoventilation than 20 rpm in piglets after ROSC. This ventilation strategy seems to be safe, as it does not cause hyperventilation and does not affect hemodynamics or cerebral tissue perfusion.
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Affiliation(s)
- Jorge López
- Pediatric Intensive Care Department, Gregorio Marañón General University Hospital, Madrid, Spain
- Gregorio Marañón Health Research Institute, Madrid, Spain
- Mother-Child Health and Development Network (RedSAMID) of Carlos III Health Institute, Madrid, Spain
| | - Patricia Arias
- School of Medicine, Complutense University of Madrid, Madrid, Spain
| | - Beatriz Domenech
- School of Medicine, Complutense University of Madrid, Madrid, Spain
| | - Daniel Horcajo
- School of Medicine, Complutense University of Madrid, Madrid, Spain
| | | | - Laura Zamora
- Pediatric Intensive Care Department, Gregorio Marañón General University Hospital, Madrid, Spain
| | - Sarah Nicole Fernández
- Pediatric Intensive Care Department, Gregorio Marañón General University Hospital, Madrid, Spain
- Gregorio Marañón Health Research Institute, Madrid, Spain
- Mother-Child Health and Development Network (RedSAMID) of Carlos III Health Institute, Madrid, Spain
| | - Jesús López-Herce
- Pediatric Intensive Care Department, Gregorio Marañón General University Hospital, Madrid, Spain
- Gregorio Marañón Health Research Institute, Madrid, Spain
- Mother-Child Health and Development Network (RedSAMID) of Carlos III Health Institute, Madrid, Spain
- School of Medicine, Complutense University of Madrid, Madrid, Spain
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18
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Holmberg MJ, Nicholson T, Nolan JP, Schexnayder S, Reynolds J, Nation K, Welsford M, Morley P, Soar J, Berg KM. Oxygenation and ventilation targets after cardiac arrest: A systematic review and meta-analysis. Resuscitation 2020; 152:107-115. [PMID: 32389599 DOI: 10.1016/j.resuscitation.2020.04.031] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/26/2020] [Indexed: 01/21/2023]
Abstract
AIM To perform a systematic review and meta-analysis of the literature on oxygenation and ventilation targets after successful resuscitation from cardiac arrest in order to inform an update of international guidelines. METHODS The review was performed according to PRISMA and registered on PROSPERO (ID: X). Medline, EMBASE, and the Cochrane Library were searched on August 22, 2019. The population included both adult and pediatric patients with cardiac arrest. Two investigators reviewed abstracts, extracted data, and assessed the risk of bias. Meta-analyses were performed for studies without excessive bias. Certainty of evidence was evaluated using GRADE. RESULTS We included 7 trials and 36 observational studies comparing oxygenation or ventilation targets. Most of the trials and observational studies included adults with out-of-hospital cardiac arrest. There were 6 observational studies in children. Bias for trials ranged from low to high risk, with group imbalances and blinding being primary concerns. Bias for observational studies was rated as serious or critical risk with confounding and exposure classification being primary sources of bias. Meta-analyses including two trials comparing low vs high oxygen therapy and two trials comparing hypercapnia vs no hypercapnia were inconclusive. Point estimates of individual studies generally favored normoxemia and normocapnia over hyper- or hypoxemia and hyper- or hypocapnia. CONCLUSIONS We identified a large number of studies related to oxygenation and ventilation targets in cardiac arrest. The majority of studies did not reach statistical significance and were limited by excessive risk of bias. Point estimates of individual studies generally favored normoxemia and normocapnia.
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Affiliation(s)
- Mathias J Holmberg
- Beth Israel Deaconess Medical Center, Boston, MA, USA; Aarhus University Hospital and Aarhus University, Aarhus, Denmark
| | | | - Jerry P Nolan
- Warwick Clinical Trials Unit, University of Warwick, Coventry, United Kingdom; Royal United Hospital, Bath, United Kingdom
| | - Steve Schexnayder
- University of Arkansas, Arkansas Children's Hospital, Little Rock, AR, USA
| | - Joshua Reynolds
- Michigan State University College of Human Medicine, East Lansing, MI, USA
| | - Kevin Nation
- New Zealand Resuscitation Council, Wellington, New Zealand
| | | | - Peter Morley
- Royal Melbourne Hospital Clinical School, The University of Melbourne Parkville, Victoria, Australia
| | - Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, United Kingdom
| | - Katherine M Berg
- Beth Israel Deaconess Medical Center, Boston, MA, USA; Waikato District Hospital, Hamilton, New Zealand.
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19
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Ramgopal S, Dezfulian C, Hickey RW, Au AK, Venkataraman S, Clark RSB, Horvat CM. Early Hyperoxemia and Outcome Among Critically Ill Children. Pediatr Crit Care Med 2020; 21:e129-e132. [PMID: 31821205 PMCID: PMC7304556 DOI: 10.1097/pcc.0000000000002203] [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] [Indexed: 12/30/2022]
Abstract
OBJECTIVE To identify whether a high PaO2 (hyperoxemia) at the time of presentation to the PICU is associated with in-hospital mortality. DESIGN Single-center observational study. SETTING Quaternary-care PICU. PATIENTS Encounters admitted between January 1, 2009, and December 31, 2018. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Encounters with a measured PaO2 were included. To account for severity of illness upon presentation, we calculated a modified Pediatric Risk of Mortality IV score excluding PaO2 for each encounter, calibrated for institutional data. Logistic regression was used to determine whether hyperoxemia (PaO2 ≥ 300 torr [39.99 kPa]) in the 12 hours surrounding PICU admission was associated with in-hospital mortality. We reperformed our analysis using a cutoff for hyperoxemia obtained by comparisons of observed versus predicted mortality when encounters were classified by highest PaO2 in 50 torr (6.67 kPa) bins. Results are reported as adjusted odds ratios with 95% CIs. Of 23,719 encounters, 4,093 had a PaO2 recorded in the period -6 to +6 hours after admission. Two hundred seventy-four of 4,093 (6.7%) had in-hospital mortality. The prevalence of hyperoxemia increased with rising modified Pediatric Risk of Mortality IV and was not associated with mortality in multivariable models (adjusted odds ratio, 1.38; 95% CI, 0.98-1.93). When using a higher cutoff of hyperoxemia derived from comparison of observed versus predicted rates of mortality of greater than or equal to 550 torr (73.32 kPa), hyperoxemia was associated with mortality (adjusted odds ratio, 2.78; 95% CI, 2.54-3.05). CONCLUSIONS A conventional threshold for hyperoxemia at presentation to the PICU was not associated with in-hospital mortality in a model using a calibrated acuity score. Extreme states of hyperoxemia (≥ 73.32 kPa) were significantly associated with in-hospital mortality. Prospective research is required to identify if hyperoxemia before and/or after PICU admission contributes to poor outcomes.
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Affiliation(s)
- Sriram Ramgopal
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
| | - Cameron Dezfulian
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Robert W. Hickey
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
| | - Alicia K. Au
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Health Informatics for Clinical Effectiveness, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
| | - Shekhar Venkataraman
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA.,Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Robert S. B. Clark
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA.,Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Health Informatics for Clinical Effectiveness, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
| | - Christopher M. Horvat
- Department of Pediatrics, University of Pittsburgh School of Medicine, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA.,Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Health Informatics for Clinical Effectiveness, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA
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Topjian AA, de Caen A, Wainwright MS, Abella BS, Abend NS, Atkins DL, Bembea MM, Fink EL, Guerguerian AM, Haskell SE, Kilgannon JH, Lasa JJ, Hazinski MF. Pediatric Post–Cardiac Arrest Care: A Scientific Statement From the American Heart Association. Circulation 2019; 140:e194-e233. [DOI: 10.1161/cir.0000000000000697] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Successful resuscitation from cardiac arrest results in a post–cardiac arrest syndrome, which can evolve in the days to weeks after return of sustained circulation. The components of post–cardiac arrest syndrome are brain injury, myocardial dysfunction, systemic ischemia/reperfusion response, and persistent precipitating pathophysiology. Pediatric post–cardiac arrest care focuses on anticipating, identifying, and treating this complex physiology to improve survival and neurological outcomes. This scientific statement on post–cardiac arrest care is the result of a consensus process that included pediatric and adult emergency medicine, critical care, cardiac critical care, cardiology, neurology, and nursing specialists who analyzed the past 20 years of pediatric cardiac arrest, adult cardiac arrest, and pediatric critical illness peer-reviewed published literature. The statement summarizes the epidemiology, pathophysiology, management, and prognostication after return of sustained circulation after cardiac arrest, and it provides consensus on the current evidence supporting elements of pediatric post–cardiac arrest care.
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Ramgopal S, Dezfulian C, Hickey RW, Au AK, Venkataraman S, Clark RSB, Horvat CM. Association of Severe Hyperoxemia Events and Mortality Among Patients Admitted to a Pediatric Intensive Care Unit. JAMA Netw Open 2019; 2:e199812. [PMID: 31433484 PMCID: PMC6707098 DOI: 10.1001/jamanetworkopen.2019.9812] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 07/02/2019] [Indexed: 01/20/2023] Open
Abstract
Importance A high Pao2, termed hyperoxemia, is postulated to have deleterious health outcomes. To date, the association between hyperoxemia during the ongoing management of critical illness and mortality has been incompletely evaluated in children. Objective To examine whether severe hyperoxemia events are associated with mortality among patients admitted to a pediatric intensive care unit (PICU). Design, Setting, and Participants A retrospective cohort study was conducted over a 10-year period (January 1, 2009, to December 31, 2018); all 23 719 PICU encounters at a quaternary children's hospital with a documented arterial blood gas measurement were evaluated. Exposures Severe hyperoxemia, defined as Pao2 level greater than or equal to 300 mm Hg (40 kPa). Main Outcomes and Measures The highest Pao2 values during hospitalization were dichotomized according to the definition of severe hyperoxemia and assessed for association with in-hospital mortality using logistic regression models incorporating a calibrated measure of multiple organ dysfunction, extracorporeal life support, and the total number of arterial blood gas measurements obtained during an encounter. Results Of 23 719 PICU encounters during the inclusion period, 6250 patients (13 422 [56.6%] boys; mean [SD] age, 7.5 [6.6] years) had at least 1 measured Pao2 value. Severe hyperoxemia was independently associated with in-hospital mortality (adjusted odds ratio [aOR], 1.78; 95% CI, 1.36-2.33; P < .001). Increasing odds of in-hospital mortality were observed with 1 (aOR, 1.47; 95% CI, 1.05-2.08; P = .03), 2 (aOR, 2.01; 95% CI, 1.27-3.18; P = .002), and 3 or more (aOR, 2.53; 95% CI, 1.62-3.94; P < .001) severely hyperoxemic Pao2 values obtained greater than or equal to 3 hours apart from one another compared with encounters without hyperoxemia. A sensitivity analysis examining the hypothetical outcomes of residual confounding indicated that an unmeasured binary confounder with an aOR of 2 would have to be present in 37% of the encounters with severe hyperoxemia and 0% of the remaining cohort to fail to reject the null hypothesis (aOR of severe hyperoxemia, 1.31; 95% CI, 0.99-1.72). Conclusions and Relevance Greater numbers of severe hyperoxemia events appeared to be associated with increased mortality in this large, diverse cohort of critically ill children, supporting a possible exposure-response association between severe hyperoxemia and outcome in this population. Although further prospective evaluation appears to be warranted, this study's findings suggest that guidelines for ongoing management of critically ill children should take into consideration the possible detrimental effects of severe hyperoxemia.
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Affiliation(s)
- Sriram Ramgopal
- Department of Pediatrics, University of Pittsburgh School of Medicine; UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
| | - Cameron Dezfulian
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Robert W. Hickey
- Department of Pediatrics, University of Pittsburgh School of Medicine; UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
| | - Alicia K. Au
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Health Informatics for Clinical Effectiveness, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania
| | - Shekhar Venkataraman
- Department of Pediatrics, University of Pittsburgh School of Medicine; UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Robert S. B. Clark
- Department of Pediatrics, University of Pittsburgh School of Medicine; UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Health Informatics for Clinical Effectiveness, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania
| | - Christopher M. Horvat
- Department of Pediatrics, University of Pittsburgh School of Medicine; UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Safar Center for Resuscitation Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
- Health Informatics for Clinical Effectiveness, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, Pennsylvania
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Fawcett K, Gerber N, Iyer S, De Angulo G, Pusic M, Mojica M. Common Conditions Requiring Emergency Life Support. Pediatr Rev 2019; 40:291-301. [PMID: 31152101 DOI: 10.1542/pir.2017-0331] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Kelsey Fawcett
- Department of Emergency Medicine and.,Department of Pediatrics, New York University School of Medicine, New York, NY
| | - Nicole Gerber
- Department of Emergency Medicine and.,Department of Pediatrics, New York University School of Medicine, New York, NY
| | - Shweta Iyer
- Department of Emergency Medicine and.,Department of Pediatrics, New York University School of Medicine, New York, NY
| | - Guillermo De Angulo
- Department of Emergency Medicine and.,Department of Pediatrics, New York University School of Medicine, New York, NY
| | | | - Michael Mojica
- Department of Emergency Medicine and.,Department of Pediatrics, New York University School of Medicine, New York, NY.,Department of Emergency Medicine, Bellevue Hospital Center, New York, NY
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Ong GYK, Chan ILY, Ng ASB, Chew SY, Mok YH, Chan YH, Ong JSM, Ganapathy S, Ng KC. Singapore Paediatric Resuscitation Guidelines 2016. Singapore Med J 2018; 58:373-390. [PMID: 28741003 DOI: 10.11622/smedj.2017065] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
We present the revised 2016 Singapore paediatric resuscitation guidelines. The International Liaison Committee on Resuscitation's Pediatric Taskforce Consensus Statements on Science and Treatment Recommendations, as well as the updated resuscitation guidelines from the American Heart Association and European Resuscitation Council released in October 2015, were debated and discussed by the workgroup. The final recommendations for the Singapore Paediatric Resuscitation Guidelines 2016 were derived after carefully reviewing the current available evidence in the literature and balancing it with local clinical practice.
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Affiliation(s)
| | | | - Agnes Suah Bwee Ng
- Department of Paediatric Anaesthesia, KK Women's and Children's Hospital, Singapore
| | - Su Yah Chew
- Children's Emergency, National University Hospital, Singapore
| | - Yee Hui Mok
- Children's Intensive Care Service, KK Women's and Children's Hospital, Singapore
| | - Yoke Hwee Chan
- Children's Intensive Care Service, KK Women's and Children's Hospital, Singapore
| | | | | | - Kee Chong Ng
- Children's Emergency, KK Women's and Children's Hospital, Singapore
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24
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Marino BS, Tabbutt S, MacLaren G, Hazinski MF, Adatia I, Atkins DL, Checchia PA, DeCaen A, Fink EL, Hoffman GM, Jefferies JL, Kleinman M, Krawczeski CD, Licht DJ, Macrae D, Ravishankar C, Samson RA, Thiagarajan RR, Toms R, Tweddell J, Laussen PC. Cardiopulmonary Resuscitation in Infants and Children With Cardiac Disease: A Scientific Statement From the American Heart Association. Circulation 2018; 137:e691-e782. [PMID: 29685887 DOI: 10.1161/cir.0000000000000524] [Citation(s) in RCA: 103] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Cardiac arrest occurs at a higher rate in children with heart disease than in healthy children. Pediatric basic life support and advanced life support guidelines focus on delivering high-quality resuscitation in children with normal hearts. The complexity and variability in pediatric heart disease pose unique challenges during resuscitation. A writing group appointed by the American Heart Association reviewed the literature addressing resuscitation in children with heart disease. MEDLINE and Google Scholar databases were searched from 1966 to 2015, cross-referencing pediatric heart disease with pertinent resuscitation search terms. The American College of Cardiology/American Heart Association classification of recommendations and levels of evidence for practice guidelines were used. The recommendations in this statement concur with the critical components of the 2015 American Heart Association pediatric basic life support and pediatric advanced life support guidelines and are meant to serve as a resuscitation supplement. This statement is meant for caregivers of children with heart disease in the prehospital and in-hospital settings. Understanding the anatomy and physiology of the high-risk pediatric cardiac population will promote early recognition and treatment of decompensation to prevent cardiac arrest, increase survival from cardiac arrest by providing high-quality resuscitations, and improve outcomes with postresuscitation care.
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Hyperoxia and Hypocapnia During Pediatric Extracorporeal Membrane Oxygenation: Associations With Complications, Mortality, and Functional Status Among Survivors. Pediatr Crit Care Med 2018; 19:245-253. [PMID: 29319634 PMCID: PMC5834382 DOI: 10.1097/pcc.0000000000001439] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVES To determine the frequency of hyperoxia and hypocapnia during pediatric extracorporeal membrane oxygenation and their relationships to complications, mortality, and functional status among survivors. DESIGN Secondary analysis of data collected prospectively by the Collaborative Pediatric Critical Care Research Network. SETTING Eight Collaborative Pediatric Critical Care Research Network-affiliated hospitals. PATIENTS Age less than 19 years and treated with extracorporeal membrane oxygenation. INTERVENTIONS Hyperoxia was defined as highest PaO2 greater than 200 Torr (27 kPa) and hypocapnia as lowest PaCO2 less than 30 Torr (3.9 kPa) during the first 48 hours of extracorporeal membrane oxygenation. Functional status at hospital discharge was evaluated among survivors using the Functional Status Scale. MEASUREMENTS AND MAIN RESULTS Of 484 patients, 420 (86.7%) had venoarterial extracorporeal membrane oxygenation and 64 (13.2%) venovenous; 69 (14.2%) had extracorporeal membrane oxygenation initiated during cardiopulmonary resuscitation. Hyperoxia occurred in 331 (68.4%) and hypocapnia in 98 (20.2%). Hyperoxic patients had higher mortality than patients without hyperoxia (167 [50.5%] vs 48 [31.4%]; p < 0.001), but no difference in functional status among survivors. Hypocapnic patients were more likely to have a neurologic event (49 [50.0%] vs 143 (37.0%]; p = 0.021) or hepatic dysfunction (49 [50.0%] vs 121 [31.3%]; p < 0.001) than patients without hypocapnia, but no difference in mortality or functional status among survivors. On multivariable analysis, factors independently associated with increased mortality included highest PaO2 and highest blood lactate concentration in the first 48 hours of extracorporeal membrane oxygenation, congenital diaphragmatic hernia, and being a preterm neonate. Factors independently associated with lower mortality included meconium aspiration syndrome. CONCLUSIONS Hyperoxia is common during pediatric extracorporeal membrane oxygenation and associated with mortality. Hypocapnia appears to occur less often and although associated with complications, an association with mortality was not observed.
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Ventilation during cardiopulmonary resuscitation in children: a survey on clinical practice. World J Pediatr 2017; 13:544-550. [PMID: 29058248 DOI: 10.1007/s12519-017-0061-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 11/04/2016] [Indexed: 01/25/2023]
Abstract
BACKGROUND This study aimed to investigate the ventilation practice during cardiopulmonary resuscitation (CPR) and after return of spontaneous circulation (ROSC) in children. METHODS An online survey of CPR practices was designed and sent to healthcare professionals treating children. RESULTS A total of 477 healthcare professionals from 46 countries responded to this survey; 92.7% were physicians and 64.2% worked in pediatric intensive care units. Specific CPR guidelines were used by 97.7% of respondents. The respiratory rate most frequently used for children over 12 months was 13 to 20 respirations per minute (rpm) (46% in intubated and 41.8% in non-intubated). For infants under 12 months, the most frequently used respiratory rate was 21 to 30 rpm in intubated patients (37.3%): in non-intubated infants, 13 to 20 rpm (26.5%) and 21 to 30 rpm (26.5%) were used with the same frequency. In North America, the respiratory rate most widely used was 7 to 12 rpm; higher rates (13 to 20 rpm and 21 to 30 rpm) were used in Europe and Latin America (P<0.001). After ROSC, no significant differences in the respiratory rates used were found between the continents. More than 40% of healthcare professionals had a target oxygen saturation below 94%; more than 10% used a target arterial PCO2 below 35 mmHg and more than 13% above 45 mmHg. CONCLUSIONS There is considerable variation in the management of ventilation of children in cardiac arrest, and international recommendations are not being followed in a high percentage of cases.
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27
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Morgan RW, Kilbaugh TJ, Berg RA, Sutton RM. Pediatric In-Hospital Cardiac Arrest and Cardiopulmonary Resuscitation. CURRENT PEDIATRICS REPORTS 2017. [DOI: 10.1007/s40124-017-0142-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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An Update on Cardiopulmonary Resuscitation in Children. CURRENT ANESTHESIOLOGY REPORTS 2017. [DOI: 10.1007/s40140-017-0216-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Combination Treatment with Methylene Blue and Hypothermia in Global Cerebral Ischemia. Mol Neurobiol 2017; 55:2042-2055. [PMID: 28271403 DOI: 10.1007/s12035-017-0470-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 02/23/2017] [Indexed: 12/19/2022]
Abstract
Therapeutic hypothermia (TH) is the most potent therapeutic strategy for global cerebral ischemia (GCI), usually induced by cardiac arrest. TH has been shown both to suppress the delayed neuronal cell death in the vulnerable hippocampal CA1 subregion and to improve neurological outcomes in experimental animals after GCI. However, given the multiple adverse effects resulting from TH, application of such a therapy is typically limited. In recent years, methylene blue (MB) has emerged as a potential therapeutic drug for the treatment of neurodegenerative diseases. In this study, we investigated the beneficial effects of mild TH combined with MB treatment after GCI. We report that both the neuronal survival in the hippocampal CA1 region and the hippocampus-dependent spatial learning and memory in the combined treatment animals were enhanced compared to those in the single treatment animals. Mechanistic studies revealed that combined TH and MB treatment significantly attenuated mitochondrial dysfunction induced by GCI in the hippocampus CA1 region. The combined treatment also markedly suppressed GCI-induced reactive gliosis and inflammation and reduced oxidative stress while enhancing the antioxidant capacity of hippocampal CA1 neurons. Finally, combining TH and MB synergistically attenuated the intrinsic cytochrome c/caspase-3 apoptotic pathway induced by GCI. Our results suggest that TH and MB act synergistically to protect the ischemic brain and suppress cognitive impairment caused by GCI.
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Abstract
OBJECTIVE To describe the relationship between PaO2 at intensive care admission and mortality in critically ill children and to review systematically the literature describing this relationship. DESIGN Cohort study: A review of consecutive tertiary pediatric intensive care admissions (January 2004 to December 2014) in a single center. The relationship between admission Pao2 and crude and standardized mortality was explored using nonlinear regression. Systematic review: A search of MEDLINE (1950 to January 2015), EMBASE (1980 to January 2015), Cochrane and Database of Abstracts of Reviews of Effects databases was undertaken using the following terms: "hyperoxia," "hypoxia," "critically ill children," "pediatric intensive care," "mortality," and/or "survival." SETTING Tertiary PICU. PATIENTS Patients younger than 18 years of age. INTERVENTIONS The association of hyperoxia (PaO2, > 300 torr [40 kPa]) and hypoxia (PaO2, < 60 torr [8 kPa] or peripheral oxygen saturations, < 90%) to mortality in critically ill children was explored. MEASUREMENTS AND MAIN RESULTS Cohort study: Of 14,321 admissions, 7,410 children had recorded PaO2 and FIO2 at admission. Crude mortality was 7.4% (555/7,410). This varied with admission PaO2 from 15.4% (204/1,324) in the hypoxia group (< 8 kPa) to 5.3% (287/5,385) with normoxia and 9.1% (64/701) in the hyperoxic group (> 40 kPa). Nonlinear regression displayed a "U-shaped" relationship between PaO2 and crude and case-mix adjusted mortality. Systematic review: Fourteen studies and one conference abstract were eligible for inclusion. Eleven studies (n = 5,280) relate to hypoxia with combined odds ratio for death, of 3.13 (95% CI, 1.79-5.48; p < 0.001) compared to normoxia. Six studies (n = 2,012) relate to hyperoxia and suggest no effect on mortality compared to normoxia (odds ratio, 1.15; 95% CI, 0.42-3.17; p = 0.77). CONCLUSIONS Hypoxia at admission is associated with increased mortality in critically ill children, whereas the association with hyperoxia is less clear. The cohort study demonstrated a U-shaped association between admission PaO2 and mortality. Further examination is needed to explore the effect of hyperoxia upon mortality prediction accuracy.
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31
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Kim DK, Jhang WK, Ahn JY, Lee JS, Kim YH, Lee B, Kim GB, Kim JT, Huh J, Park JD, Chung SP, Hwang SO. Part 6. Pediatric advanced life support: 2015 Korean Guidelines for Cardiopulmonary Resuscitation. Clin Exp Emerg Med 2016; 3:S48-S61. [PMID: 27752646 PMCID: PMC5052919 DOI: 10.15441/ceem.16.132] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 03/19/2016] [Accepted: 03/19/2016] [Indexed: 01/11/2023] Open
Affiliation(s)
- Do Kyun Kim
- Department of Emergency Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Won Kyoung Jhang
- Department of Pediatrics, Ulsan University College of Medicine, Seoul, Korea
| | - Ji Yun Ahn
- Department of Emergency Medicine, Hallym University College of Medicine, Seoul, Korea
| | - Ji Sook Lee
- Department of Emergency Medicine, Ajou University College of Medicine, Suwon, Korea
| | - Yoon Hee Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Korea
| | - Bongjin Lee
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Gi Beom Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Jin-Tae Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - June Huh
- Department of Pediatrics, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - June Dong Park
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Sung Phil Chung
- Department of Emergency Medicine, Yonsei Universtiy College of Medicine, Seoul, Korea
| | - Sung Oh Hwang
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
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Nejad RK, Goodarzi MT, Shfiee G, Pezeshki N, Sohrabi M. Comparison of Oxidative Stress Markers and Serum Cortisol between Normal Labor and Selective Cesarean Section Born Neonates. J Clin Diagn Res 2016; 10:BC01-3. [PMID: 27504275 DOI: 10.7860/jcdr/2016/16935.7974] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 03/14/2016] [Indexed: 01/05/2023]
Abstract
INTRODUCTION An imbalance between antioxidant and oxidant-generating systems in newborns can cause oxidative damage. The effect of modes of delivery on oxidative stress in neonates is not fully investigated. AIM This study was aimed to examine the effects of modes of delivery on oxidative stress markers and cortisol in newborns. MATERIALS AND METHODS In this study 60 term neonates {30 born via Normal Delivery (ND) and 30 born via elective Caesarean Delivery (CS)} at birth were enrolled. Glutathione Peroxidase (GPx), Catalase (CAT) and Superoxide Dismutase (SOD) activities were determined in umbilical cord blood in all neonates. Moreover serum cortisol, uric acid and Total Antioxidant Capacity (TAC) were measured. RESULTS GPx and SOD activities in cesarean born neonates were significantly higher than those of control subjects (p<0.05). TAC and CAT were not significantly different between the two groups. Serum cortisol was lower in caesarean born subjects as compared to normal born neonates. On the other hand uric acid concentration was higher in caesarean born neonates. CONCLUSION The obtained data indicated that babies born via caesarean section might be predisposed to pathological conditions due to altered antioxidant levels.
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Affiliation(s)
- Rasoul Kaviany Nejad
- MSc in Nursing, Department of Anesthesiology, School of Paramedical Sciences, Kermanshah University of Medical Sciences , Kermanshah, Iran
| | - Mohammad Taghi Goodarzi
- Professor, Department of Clinical Biochemistry, Research Center for Molecular Medicine, Hamadan University of Medical Sciences , Hamadn, Iran
| | - Gholamreza Shfiee
- Ph.D Candidate, Department of Clinical Biochemistry, Medical School, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Nasrolah Pezeshki
- Assistant Professor, Department of Pediatrics, Hamadan University of Medical Sciences , Hamadan, Iran
| | - Maryam Sohrabi
- Assistant Professor in Histology, Department of Anatomical Sciences, Medical School, Hamadan University of Medical Sciences , Hamadan, Iran
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Hyperoxia Is Associated With Poor Outcomes in Pediatric Cardiac Patients Supported on Venoarterial Extracorporeal Membrane Oxygenation. Pediatr Crit Care Med 2016; 17:350-8. [PMID: 27043897 DOI: 10.1097/pcc.0000000000000655] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
OBJECTIVES Patients who require venoarterial extracorporeal membrane oxygenation because of cardiac failure frequently have supranormal blood oxygen tensions (hyperoxia). Recent studies have suggested worse outcomes in patients with hyperoxia after resuscitation from cardiac or respiratory arrests, presumably because of oxidative stress. There are limited data regarding the effect of hyperoxia on outcomes in pediatric patients on venoarterial extracorporeal membrane oxygenation. DESIGN Retrospective chart review. SETTING Pediatric cardiothoracic ICU. PATIENTS Cardiac surgery patients less than 1 year old requiring venoarterial extracorporeal membrane oxygenation in the postoperative period from 2007 to 2013. MEASUREMENTS AND MAIN RESULTS In 93 infants (median time on extracorporeal membrane oxygenation, 5 d), mortality at 30 days post surgery (primary outcome) was 38%. Using a receiver operating characteristic curve, a mean PaO2 of 193 mm Hg in the first 48 hours of extracorporeal membrane oxygenation was determined to have good discriminatory ability with regard to 30-day mortality. Univariate analysis identified a mean PaO2 greater than 193 mm Hg (p = 0.001), longer cardiopulmonary bypass times (p = 0.09), longer duration of extracorporeal membrane oxygenation (p < 0.0001), and higher extracorporeal membrane oxygenation pump flows (p = 0.052) as possible risk factors for 30-day mortality. In multivariable analysis controlling for the variables listed above, a mean PaO2 greater than 193 mm Hg remained an independent risk factor for mortality (p = 0.03). In addition, a mean PaO2 greater than 193 mm Hg was associated with the need for renal dialysis (p = 0.02) but not with neurologic injury (p = 0.41) during the hospitalization. CONCLUSIONS In infants with congenital heart disease who are placed on venoarterial extracorporeal membrane oxygenation postoperatively, hyperoxia (defined as a mean PaO2 > 193 mm Hg in the first 48 hr of extracorporeal membrane oxygenation) was an independent risk factor for 30-day mortality after surgery. Future studies are needed to delineate the causative or associative role of hyperoxia with outcomes, especially in children with baseline cyanosis who may be more susceptible to the effects of oxidative stress.
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Abstract
PURPOSE OF REVIEW The purpose of this study is to review the recent literature describing how to assess and treat postcardiac arrest syndrome associated haemodynamics and manage oxygenation and ventilation derangements. RECENT FINDINGS Postcardiac arrest syndrome is a well described entity that includes systemic ischemia-reperfusion response, myocardial dysfunction and neurologic dysfunction. Continued resuscitation in the hours to days following return of spontaneous circulation (ROSC) is important to increase the likelihood of long-term survival and neurological recovery. Post-ROSC hypotension is common and associated with worse outcome. Myocardial dysfunction peaks in the first 24 h following ROSC and in survivors resolves over the next few days. Hyperoxemia (paO₂>300 mmHg) and hypoxemia (paO₂<60 mmHg) are associated with worse outcomes and hyperventilation may exacerbate cerebral ischemic injury by decreasing cerebral oxygenation. SUMMARY Patients who are successfully resuscitated from cardiac arrest often have hypotension and myocardial dysfunction. Careful attention to haemodynamic and ventilator management targeting normal blood pressure, normoxemia and normocapnia may help to avoid secondary organ injury and potentially improve outcomes.
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Monsieurs K, Nolan J, Bossaert L, Greif R, Maconochie I, Nikolaou N, Perkins G, Soar J, Truhlář A, Wyllie J, Zideman D. Kurzdarstellung. Notf Rett Med 2015. [DOI: 10.1007/s10049-015-0097-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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de Caen AR, Berg MD, Chameides L, Gooden CK, Hickey RW, Scott HF, Sutton RM, Tijssen JA, Topjian A, van der Jagt ÉW, Schexnayder SM, Samson RA. Part 12: Pediatric Advanced Life Support: 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care. Circulation 2015; 132:S526-42. [PMID: 26473000 PMCID: PMC6191296 DOI: 10.1161/cir.0000000000000266] [Citation(s) in RCA: 346] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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38
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de Caen AR, Berg MD, Chameides L, Gooden CK, Hickey RW, Scott HF, Sutton RM, Tijssen JA, Topjian A, van der Jagt ÉW, Schexnayder SM, Samson RA. Part 12: Pediatric Advanced Life Support: 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care (Reprint). Pediatrics 2015; 136 Suppl 2:S176-95. [PMID: 26471384 DOI: 10.1542/peds.2015-3373f] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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de Caen AR, Maconochie IK, Aickin R, Atkins DL, Biarent D, Guerguerian AM, Kleinman ME, Kloeck DA, Meaney PA, Nadkarni VM, Ng KC, Nuthall G, Reis AG, Shimizu N, Tibballs J, Pintos RV. Part 6: Pediatric Basic Life Support and Pediatric Advanced Life Support: 2015 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations (Reprint). Pediatrics 2015; 136 Suppl 2:S88-119. [PMID: 26471382 DOI: 10.1542/peds.2015-3373c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Long-term evolution after in-hospital cardiac arrest in children: Prospective multicenter multinational study. Resuscitation 2015; 96:126-34. [DOI: 10.1016/j.resuscitation.2015.07.037] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 07/11/2015] [Accepted: 07/27/2015] [Indexed: 11/23/2022]
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Monsieurs KG, Nolan JP, Bossaert LL, Greif R, Maconochie IK, Nikolaou NI, Perkins GD, Soar J, Truhlář A, Wyllie J, Zideman DA, Alfonzo A, Arntz HR, Askitopoulou H, Bellou A, Beygui F, Biarent D, Bingham R, Bierens JJ, Böttiger BW, Bossaert LL, Brattebø G, Brugger H, Bruinenberg J, Cariou A, Carli P, Cassan P, Castrén M, Chalkias AF, Conaghan P, Deakin CD, De Buck ED, Dunning J, De Vries W, Evans TR, Eich C, Gräsner JT, Greif R, Hafner CM, Handley AJ, Haywood KL, Hunyadi-Antičević S, Koster RW, Lippert A, Lockey DJ, Lockey AS, López-Herce J, Lott C, Maconochie IK, Mentzelopoulos SD, Meyran D, Monsieurs KG, Nikolaou NI, Nolan JP, Olasveengen T, Paal P, Pellis T, Perkins GD, Rajka T, Raffay VI, Ristagno G, Rodríguez-Núñez A, Roehr CC, Rüdiger M, Sandroni C, Schunder-Tatzber S, Singletary EM, Skrifvars MB, Smith GB, Smyth MA, Soar J, Thies KC, Trevisanuto D, Truhlář A, Vandekerckhove PG, de Voorde PV, Sunde K, Urlesberger B, Wenzel V, Wyllie J, Xanthos TT, Zideman DA. European Resuscitation Council Guidelines for Resuscitation 2015: Section 1. Executive summary. Resuscitation 2015; 95:1-80. [PMID: 26477410 DOI: 10.1016/j.resuscitation.2015.07.038] [Citation(s) in RCA: 568] [Impact Index Per Article: 63.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Koenraad G Monsieurs
- Emergency Medicine, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium; Faculty of Medicine and Health Sciences, University of Ghent, Ghent, Belgium.
| | - Jerry P Nolan
- Anaesthesia and Intensive Care Medicine, Royal United Hospital, Bath, UK; School of Clinical Sciences, University of Bristol, Bristol, UK
| | | | - Robert Greif
- Department of Anaesthesiology and Pain Medicine, University Hospital Bern, Bern, Switzerland; University of Bern, Bern, Switzerland
| | - Ian K Maconochie
- Paediatric Emergency Medicine Department, Imperial College Healthcare NHS Trust and BRC Imperial NIHR, Imperial College, London, UK
| | | | - Gavin D Perkins
- Warwick Medical School, University of Warwick, Coventry, UK; Heart of England NHS Foundation Trust, Birmingham, UK
| | - Jasmeet Soar
- Anaesthesia and Intensive Care Medicine, Southmead Hospital, Bristol, UK
| | - Anatolij Truhlář
- Emergency Medical Services of the Hradec Králové Region, Hradec Králové, Czech Republic; Department of Anaesthesiology and Intensive Care Medicine, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Jonathan Wyllie
- Department of Neonatology, The James Cook University Hospital, Middlesbrough, UK
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Maconochie IK, de Caen AR, Aickin R, Atkins DL, Biarent D, Guerguerian AM, Kleinman ME, Kloeck DA, Meaney PA, Nadkarni VM, Ng KC, Nuthall G, Reis AG, Shimizu N, Tibballs J, Pintos RV. Part 6: Pediatric basic life support and pediatric advanced life support: 2015 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations. Resuscitation 2015; 95:e147-68. [PMID: 26477423 DOI: 10.1016/j.resuscitation.2015.07.044] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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de Caen AR, Maconochie IK, Aickin R, Atkins DL, Biarent D, Guerguerian AM, Kleinman ME, Kloeck DA, Meaney PA, Nadkarni VM, Ng KC, Nuthall G, Reis AG, Shimizu N, Tibballs J, Veliz Pintos R. Part 6: Pediatric Basic Life Support and Pediatric Advanced Life Support. Circulation 2015; 132:S177-203. [DOI: 10.1161/cir.0000000000000275] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Maconochie IK, Bingham R, Eich C, López-Herce J, Rodríguez-Núñez A, Rajka T, Van de Voorde P, Zideman DA, Biarent D, Monsieurs KG, Nolan JP. European Resuscitation Council Guidelines for Resuscitation 2015. Resuscitation 2015; 95:223-48. [DOI: 10.1016/j.resuscitation.2015.07.028] [Citation(s) in RCA: 217] [Impact Index Per Article: 24.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Kanthimathinathan HK, Scholefield BR. Blowing hot or cold? Oxygenation and temperature after paediatric cardiac arrest. Resuscitation 2015; 90:A1-3. [PMID: 25737083 DOI: 10.1016/j.resuscitation.2015.02.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 02/01/2015] [Indexed: 11/28/2022]
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van Zellem L, de Jonge R, van Rosmalen J, Reiss I, Tibboel D, Buysse C. High cumulative oxygen levels are associated with improved survival of children treated with mild therapeutic hypothermia after cardiac arrest. Resuscitation 2015; 90:150-7. [PMID: 25576438 DOI: 10.1016/j.resuscitation.2014.12.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 11/21/2014] [Accepted: 12/19/2014] [Indexed: 11/17/2022]
Abstract
AIM The aim of this study was to analyze the relationship between the partial pressure of arterial oxygen (PaO2) and in-hospital (IH) mortality in children after cardiac arrest (CA) using the conventional cutoff analysis, which was compared with the cumulative analysis, a new method in PaO2 analysis. Additionally, we analyzed this relationship for children with and without mild therapeutic hypothermia (MTH; 32-34 °C). METHODS This observational cohort study included all children (aged >28 days) with CA and return of spontaneous circulation (ROSC) between 2002 and 2011. The first research question was the association between PaO2 and IH mortality after ROSC. This was analyzed for three hyperoxia cutoff values, and for three time intervals using the cumulative PaO2 determined with the area under the curve (AUC). For the second research question, these analyses were repeated for children with and without MTH. RESULTS Of the 200 patients included (median age 2.6 years), 84 (42%) survived to hospital discharge. Fifty-eight children (29%) were treated with MTH. With the cutoff analysis and the AUC analysis we found no relationship between PaO2 and IH mortality. However, analysis of the MTH-group showed a lower IH mortality in children with high cumulative PaO2 levels on two of the three time intervals. Multivariable analysis showed significantly higher odds of survival (0.643 (95% confidence interval (CI) 0.424-0.976), 0.554 (95% CI 0.335-0.916)). CONCLUSIONS Cumulative PaO2 analysis showed that the IH mortality is significantly lower in MTH-treated children with high PaO2 levels. The effects of cumulative PaO2 on the outcome need to be studied further, and this will help us to achieve individualized goal-directed therapy.
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Affiliation(s)
- Lennart van Zellem
- Erasmus MC - Sophia Children's Hospital, Intensive Care and Department of Pediatric Surgery, Rotterdam, The Netherlands
| | - Rogier de Jonge
- Erasmus MC - Sophia Children's Hospital, Department of Neonatology, Rotterdam, The Netherlands
| | | | - Irwin Reiss
- Erasmus MC - Sophia Children's Hospital, Department of Neonatology, Rotterdam, The Netherlands
| | - Dick Tibboel
- Erasmus MC - Sophia Children's Hospital, Intensive Care and Department of Pediatric Surgery, Rotterdam, The Netherlands
| | - Corinne Buysse
- Erasmus MC - Sophia Children's Hospital, Intensive Care and Department of Pediatric Surgery, Rotterdam, The Netherlands.
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López-Herce J, del Castillo J, Matamoros M, Canadas S, Rodriguez-Calvo A, Cecchetti C, Rodríguez-Núnez A, Carrillo Á. Post return of spontaneous circulation factors associated with mortality in pediatric in-hospital cardiac arrest: a prospective multicenter multinational observational study. Crit Care 2014; 18:607. [PMID: 25672247 PMCID: PMC4245792 DOI: 10.1186/s13054-014-0607-9] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Accepted: 10/20/2014] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Most studies have analyzed pre-arrest and resuscitation factors associated with mortality after cardiac arrest (CA) in children, but many patients that reach return of spontaneous circulation die within the next days or weeks. The objective of our study was to analyze post-return of spontaneous circulation factors associated with in-hospital mortality after cardiac arrest in children. METHODS A prospective multicenter, multinational, observational study in 48 hospitals from 12 countries was performed. A total of 502 children aged between 1 month and 18 years with in-hospital cardiac arrest were analyzed. The primary endpoint was survival to hospital discharge. Univariate and multivariate logistic regression analyses were performed to assess the influence of each post-return of spontaneous circulation factor on mortality. RESULTS Return of spontaneous circulation was achieved in 69.5% of patients; 39.2% survived to hospital discharge and 88.9% of survivors had good neurological outcome. In the univariate analysis, post- return of spontaneous circulation factors related with mortality were pH, base deficit, lactic acid, bicarbonate, FiO2, need for inotropic support, inotropic index, dose of dopamine and dobutamine at 1 hour and at 24 hours after return of spontaneous circulation as well as Pediatric Intensive Care Unit and total hospital length of stay. In the multivariate analysis factors associated with mortality at 1 hour after return of spontaneous circulation were PaCO2 < 30 mmHg and >50 mmHg, inotropic index >14 and lactic acid >5 mmol/L. Factors associated with mortality at 24 hours after return of spontaneous circulation were PaCO2 > 50 mmHg, inotropic index >14 and FiO2 ≥ 0.80. CONCLUSIONS Secondary in-hospital mortality among the initial survivors of CA is high. Hypoventilation, hyperventilation, FiO2 ≥ 0.80, the need for high doses of inotropic support, and high levels of lactic acid were the most important post-return of spontaneous circulation factors associated with in-hospital mortality in children in our population.
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Affiliation(s)
- Jesús López-Herce
- />Pediatric Intensive Care Department, Hospital General Universitario Gregorio Maranón, Dr Castelo 47, 28009 Madrid, Spain
- />Instituto de Investigación Sanitaria del Hospital Gregorio Marañón de Madrid, Red de Salud Materno Infantil y del Desarrollo (Red SAMID), Dr Castelo 47, 28009 Madrid, Spain
| | - Jimena del Castillo
- />Pediatric Intensive Care Department, Hospital General Universitario Gregorio Maranón, Dr Castelo 47, 28009 Madrid, Spain
- />Instituto de Investigación Sanitaria del Hospital Gregorio Marañón de Madrid, Red de Salud Materno Infantil y del Desarrollo (Red SAMID), Dr Castelo 47, 28009 Madrid, Spain
| | | | - Sonia Canadas
- />Hospital Valle de Hebrón, Passeig Vall d’Hebron, 119-129 08035 Barcelona, Spain
| | | | - Corrado Cecchetti
- />Ospedale Bambinu Gesu, Via della Torre di Palidoro, 00050 Fiumicino Roma, Italy
| | - Antonio Rodríguez-Núnez
- />Hospital Clínico Universitario de Santiago de Compostela, Travesía de Choupana, s/n, 15706 A Coruña, Spain
| | - Ángel Carrillo
- />Pediatric Intensive Care Department, Hospital General Universitario Gregorio Maranón, Dr Castelo 47, 28009 Madrid, Spain
- />Instituto de Investigación Sanitaria del Hospital Gregorio Marañón de Madrid, Red de Salud Materno Infantil y del Desarrollo (Red SAMID), Dr Castelo 47, 28009 Madrid, Spain
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Neonatal hyperoxia exposure disrupts axon-oligodendrocyte integrity in the subcortical white matter. J Neurosci 2013; 33:8990-9002. [PMID: 23699510 DOI: 10.1523/jneurosci.5528-12.2013] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The pathological mechanisms underlying neurological deficits observed in individuals born prematurely are not completely understood. A common form of injury in the preterm population is periventricular white matter injury (PWMI), a pathology associated with impaired brain development. To mitigate or eliminate PWMI, there is an urgent need to understand the pathological mechanism(s) involved on a neurobiological, structural, and functional level. Recent clinical data suggest that a percentage of premature infants experience relative hyperoxia. Using a hyperoxic model of premature brain injury, we have previously demonstrated that neonatal hyperoxia exposure in the mouse disrupts development of the white matter (WM) by delaying the maturation of the oligodendroglial lineage. In the present study, we address the question of how hyperoxia-induced alterations in WM development affect overall WM integrity and axonal function. We show that neonatal hyperoxia causes ultrastructural changes, including: myelination abnormalities (i.e., reduced myelin thickness and abnormal extramyelin loops) and axonopathy (i.e., altered neurofilament phosphorylation, paranodal defects, and changes in node of Ranvier number and structure). This disruption of axon-oligodendrocyte integrity results in the lasting impairment of conduction properties in the adult WM. Understanding the pathology of premature PWMI injury will allow for the development of interventional strategies to preserve WM integrity and function.
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