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Κυριακή 2 Ιουνίου 2019

Pediatric Critical Care Medicine

A Retrospective Case-Control Study to Identify Predictors of Unplanned Admission to Pediatric Intensive Care Within 24 Hours of Hospitalization
Objectives: To identify the clinical findings available at the time of hospitalization from the emergency department that are associated with deterioration within 24 hours. Design: A retrospective case-control study. Setting: A pediatric hospital in Ottawa, ON, Canada. Patients: Children less than 18 years old who were hospitalized via the emergency department between January 1, 2008, and December 31, 2012. Cases (n = 98) had an unplanned admission to the PICU or unexpected death on the hospital ward within 24 hours of hospitalization and controls (n = 196) did not. Interventions: None. Main Results: Ninety-eight children (53% boys; mean age 63.2 mo) required early unplanned admission to the PICU. Multivariable conditional logistic regression resulted in a model with five predictors reaching statistical significance: higher triage acuity score (odds ratio, 4.1; 95% CI, 1.7–10.2), tachypnea in the emergency department (odds ratio, 4.6; 95% CI, 1.8–11.8), tachycardia in the emergency department (odds ratio, 2.6; 95% CI, 1.1–6.5), PICU consultation in the emergency department (odds ratio, 8.0; 95% CI, 1.1–57.7), and admission to a ward not typical for age and/or diagnosis (odds ratio, 4.5; 95% CI, 1.7–11.6). Conclusions: We have identified risk factors that should be included as potential predictor variables in future large, prospective studies to derive and validate a weighted scoring system to identify hospitalized children at high risk of early clinical deterioration. Supported, in part, by an operating grant from the Children's Hospital of Eastern Ontario Research Institute. Dr. Krmpotic disclosed that this study was funded by an operating grant from the Children's Hospital of Eastern Ontario Research Institute. Dr. Toppozini received funding from acting as a Children's Hospital of Eastern Ontario Research Institute research assistant (aided in design of data collection tool, data collection and verification, interpretation, and writing/revising article). Dr. Plint's institution received funding from Children's Hospital of Eastern Ontario Research Institute, and she disclosed that she is supported in part by a University of Ottawa Tier II Clinical Research Chair award. The remaining authors have disclosed that they do not have any potential conflicts of interest. Current affiliation for Dr. Krmpotic: Pediatric Critical Care, IWK Health Centre, 5850/5980 University Ave, Halifax, NS, B3K6R8, Canada. For information regarding this article, E-mail: kristina.krmpotic@iwk.nshealth.ca ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

The Effect of Asphyxia Arrest Duration on a Pediatric End-Tidal CO2-Guided Chest Compression Delivery Model
Objectives: To determine the effect of the duration of asphyxial arrest on the survival benefit previously seen with end-tidal CO2-guided chest compression delivery. Design: Preclinical randomized controlled study. Setting: University animal research laboratory. Subjects: Two-week-old swine. Interventions: After either 17 or 23 minutes of asphyxial arrest, animals were randomized to standard cardiopulmonary resuscitation or end-tidal CO2-guided chest compression delivery. Standard cardiopulmonary resuscitation was optimized by marker, monitor, and verbal feedback about compression rate, depth, and release. End-tidal CO2-guided delivery used adjustments to chest compression rate and depth to maximize end-tidal CO2 level without other feedback. Cardiopulmonary resuscitation for both groups proceeded from 10 minutes of basic life support to 10 minutes of advanced life support or return of spontaneous circulation. Measurements and Main Results: After 17 minutes of asphyxial arrest, mean end-tidal CO2 during 10 minutes of cardiopulmonary resuscitation was 18 ± 9 torr in the standard group and 33 ± 15 torr in the end-tidal CO2 group (p = 0.004). The rate of return of spontaneous circulation was three of 14 (21%) in the standard group rate and nine of 14 (64%) in the end-tidal CO2 group (p = 0.05). After a 23-minute asphyxial arrest, neither end-tidal CO2 values (20 vs 26) nor return of spontaneous circulation rate (3/14 vs 1/14) differed between the standard and end-tidal CO2-guided groups. Conclusions: Our previously observed survival benefit of end-tidal CO2-guided chest compression delivery after 20 minutes of asphyxial arrest was confirmed after 17 minutes of asphyxial arrest. The poor survival after 23 minutes of asphyxia shows that the benefit of end-tidal CO2-guided chest compression delivery is limited by severe asphyxia duration. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://journals.lww.com/pccmjournal). Research reported in this publication was supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development award R21HD072845, by the National Institute of Neurological Disorders and Stroke awards K08NS080984, R01NS060703, R01NS107417, and R21NS095036, by the National Research Service Award for Clinician Scientists in Pediatric Critical Cardiopulmonary Disease T32HL125239, and by the National Center for Research Resources of the National Institutes of Health Roadmap for Medical Research grant UL1RR025005. Dr. O'Brien's institution received funding from National Institutes of Health (NIH) T32 Institutional Grant (T32HL125239), and she disclosed work for hire. Dr. Lee's institution received funding from the NIH and the American Heart Association, and she received funding from Medtronic (consulting on near-infrared spectroscopy technology in 2016). Dr. Koehler's institution received funding from the NIH. Dr. Hunt received funding from the NIH (grant support as a coinvestigator), Zoll Medical Corporation (consulting on simulation-based medicine education innovation she created called "Rapid Cycle Deliberate Practice" and from medical education technologies that she and her research partners have created that Zoll has a nonexclusive license for two of the devices, although she has not received any royalties), and National Medical Consultants (for performing expert medical reviews). Dr. Shaffner's institution received funding from the National Institute of Child Health and Human Development and the National Institute of Neurological Disorders and Stroke; he received funding from Wolters Kluwer. The remaining authors have disclosed that they do not have any potential conflicts of interest. This work was performed in the research facilities of the Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University, Baltimore, MD. For information regarding this article, E-mail: dshaffn1@jhmi.edu ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Etiologies and Clinical Outcomes of Patients With Secondary Hemophagocytic Lymphohistiocytosis at a Tertiary PICU
Objectives: To assess the etiologies and outcomes of patients with secondary hemophagocytic lymphohistiocytosis in the PICU. Design: Prospective observational cohort study. Setting: A single PICU at a pediatric tertiary hospital in Hanoi, Vietnam. Patients: Pediatric patients meeting the criteria for secondary hemophagocytic lymphohistiocytosis. Interventions: None. Measurements and Main Results: Between June 2017 and May 2018, 25 consecutive patients with a mean (SD) age of 23.3 months (21.6 mo) were included. Collected variables included etiologies of hemophagocytic lymphohistiocytosis and clinical and laboratory findings at admission. The Pediatric Index of Mortality 2 score at admission was calculated. Outcomes were death and multiple organ dysfunction. The severity of multiple organ dysfunction was assessed by the Pediatric Logistic Organ Dysfunction 2 score. The mean (SD) Pediatric Index of Mortality 2 predicted mortality rate was 5.6% (7.6%). Cytomegalovirus and Epstein-Barr virus coinfections (60%) were the most common suspected etiology of hemophagocytic lymphohistiocytosis. Other etiologies included Epstein-Barr virus sole infections (20%), cytomegalovirus sole infections (16%), and one unknown cause (4%). Multiple organ dysfunction (excluding hematologic failure) was found in 22 patients (88%) with death occurring in 14 patients (56%). The mean (SD) Pediatric Logistic Organ Dysfunction 2 predicted mortality rate among patients with multiple organ dysfunction was 11.9% (11.2%). Despite having lower Pediatric Index of Mortality 2 predicted mortality rates at admission, Epstein-Barr virus-cytomegalovirus coinfection cases with multiple organ dysfunction had slightly greater Pediatric Logistic Organ Dysfunction 2 predicted mortality rates than Epstein-Barr virus sole infection cases with multiple organ dysfunction: 12.2% (10.5%) versus 11.3% (11.0%). However, these rates were lower than cytomegalovirus sole infection cases with multiple organ dysfunction (14.4% [16.3%]). Area under the curve values for Pediatric Index of Mortality 2 and Pediatric Logistic Organ Dysfunction 2 were 0.74 (95% CI, 0.52–0.95) and 0.78 (95% CI, 0.52–1.00), respectively, suggesting that both scales were fair to good at predicting mortality. Conclusions: Viral infections, particularly Epstein-Barr virus-cytomegalovirus coinfections, were a common cause of secondary hemophagocytic lymphohistiocytosis. The implication of these coinfections on the clinical course of hemophagocytic lymphohistiocytosis needs to be delineated. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://journals.lww.com/pccmjournal). Ms. Dao received funding and support for article research from Mayo Clinic College of Medicine and Science (Mayo Foundation for Medical Education and Research) (Research Travel Funding). Dr. Galeano received funding from Mayo Clinic Alix School of Medicine (travel grant for research). The remaining authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: ouellette.yves@mayo.edu ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Antibiotic Prophylaxis for Open Chest Management After Pediatric Cardiac Surgery
Objectives: Although open chest management optimizes hemodynamics after cardiac surgery, it increases postoperative infections and leads to increased mortality. Despite the importance of antibiotic prophylaxis during open chest management, no specific recommendations exist. We aimed to compare the occurrence rates of bloodstream infection and surgical site infection between the different prophylactic antibiotic regimens for open chest management after pediatric cardiac surgery. Design: Retrospective, single-center, observational study. Setting: PICU at a tertiary children's hospital. Patients: Consecutive patients less than or equal to 18 years old with open chest management after cardiac surgery followed by delayed sternal closure, between January 2012 and June 2018. Interventions: None. Measurements and Main Results: We compared the composite occurrence rate of postoperative bloodstream infection and surgical site infection within 30 days after cardiac surgery between three prophylactic antibiotic regimens: 1) cefazolin, 2) cefazolin + vancomycin, and 3) vancomycin + meropenem. In 63 pediatric cardiac surgeries with open chest management, 17 bloodstream infections, and 12 surgical site infections were identified postoperatively. The composite occurrence rates of bloodstream infection and surgical site infection were 10 of 15 (67%), 10 of 19 (53%), and nine of 29 (31%) in the cefazolin, cefazolin + vancomycin, and vancomycin + meropenem regimens, respectively (p = 0.07). After adjusting for age, open chest management duration, extracorporeal membrane oxygenation use, and nasal methicillin-resistant Staphylococcus aureus colonization in multivariable analysis, there was no significant difference between the cefazolin and the cefazolin + vancomycin regimens (p = 0.19), while the vancomycin + meropenem regimen had a lower occurrence rate of bloodstream infection and surgical site infection than the cefazolin regimen (odds ratio, 0.0885; 95% CI, 0.0176–0.446; p = 0.003). Conclusions: In this study, a lower occurrence rate of postoperative bloodstream infection and surgical site infection was observed among patients with broad-spectrum antibiotic regimen after pediatric cardiac surgery with open chest management. Further studies, ideally randomized controlled studies investigating the efficacy of broad-spectrum antibiotics and their complications, are warranted before routine implementation of broad-spectrum prophylactic antibiotic regimen. The authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: hatachi@wch.opho.jp ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Noninvasive Determination of Blood Pressure by Heart Sound Analysis Compared With Intra-Arterial Monitoring in Critically Ill Children—A Pilot Study of a Novel Approach
Objectives: To develop a novel device to predict systolic and diastolic blood pressure based on measured heart sound signals and evaluate its accuracy in comparison to intra-arterial blood pressure readings. Study Design: Prospective, observational pilot study. Setting: PICU. Patients: Critically ill children (0–18 yr) undergoing continuous blood pressure monitoring via radial artery intra-arterial catheters were enrolled in the study after informed consent. The study included medical, cardiac, and surgical PICU patients. Interventions: Along with intra-arterial blood pressure, patient's heart sounds were recorded simultaneously by a highly sensitive sensor taped to the chest. Additional hardware included a data acquisition unit and laptop computer. Subsequently, advanced signal processing technologies were used to minimize random interfering signals and extract and separate S1 and S2 signals. A computerized model was then developed using artificial neural network systems to estimate blood pressure from the extracted heart sound analysis. Measurements and Main Outcomes: We found a statistically significant correlation for systolic (r = 0.964; R2 = 0.928) and diastolic (r = 0.935; R2 = 0.868) blood pressure readings (n = 491) estimated by the novel heart-sound signal–based method and those recorded by intra-arterial catheters. The mean difference of the individually paired determinations of the blood pressure between the heart-sound–based method and intra-arterial catheters was 0.6 ± 7 mm Hg for systolic blood pressure and –0.06 ± 5 mm Hg for diastolic blood pressure, which was within the recommended range of 5 ± 8 mm Hg for any new blood pressure devices. Conclusions: Our findings provide proof of concept that the heart-sound signal-based method can provide accurate, noninvasive blood pressure monitoring. Drs. Kapur and Chen contributed equally to the article. This work was supported by the 21st Century Jobs Trust Fund received through the Michigan Strategic Fund from the State of Michigan and administered by the Michigan Economic Development Corporation (www.michiganbusiness.org). Dr. Kapur's institution received funding from Alexion; a nonprovisional patent (number PCT/US18/17178) titled, "Method and Apparatus for Determining Blood Pressure on Measured Heart Sounds," based on this research was submitted on 02/07/2018 (to Drs. Kapur, Chen, Xu, and Wu listed as co-inventors); and he disclosed off-label product use of the technology reported in the article, which is currently investigational and not approved by the U.S. Food and Drug Administration for any purposes. Drs. Kapur and Chen disclosed that this work was supported by the 21st Century Jobs Trust Fund received through the Michigan Strategic Fund from the State of Michigan and administered by the Michigan Economic Development Corporation. Dr. Xu disclosed work for hire. The remaining authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: gkapur@med.wayne.edu ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Relationship Between Diaphragmatic Electrical Activity and Esophageal Pressure Monitoring in Children
Objectives: Mechanical ventilation is an essential life support technology, but it is associated with side effects in case of over or under-assistance. The monitoring of respiratory effort may facilitate titration of the support. The gold standard for respiratory effort measurement is based on esophageal pressure monitoring, a technology not commonly available at bedside. Diaphragmatic electrical activity can be routinely monitored in clinical practice and reflects the output of the respiratory centers. We hypothesized that diaphragmatic electrical activity changes accurately reflect changes in mechanical efforts. The objectives of this study were to characterize the relationship between diaphragmatic electrical activity and esophageal pressure. Design: Prospective crossover study. Setting: Esophageal pressure and diaphragmatic electrical activity were simultaneously recorded using a specific nasogastric tube in three conditions: in pressure support ventilation and in neurally adjusted ventilatory support in a random order, and then after extubation. Patients: Children in the weaning phase of mechanical ventilation. Interventions: The maximal swing in esophageal pressure and esophageal pressure-time product, maximum diaphragmatic electrical activity, and inspiratory diaphragmatic electrical activity integral were calculated from 100 consecutive breaths. Neuroventilatory efficiency was estimated using the ratio of tidal volume/maximum diaphragmatic electrical activity. Measurements and Main Results: Sixteen patients, with a median age of 4 months (interquartile range, 0.5–13 mo), and weight 5.8 kg (interquartile range, 4.1–8 kg) were included. A strong linear correlation between maximum diaphragmatic electrical activity and maximal swing in esophageal pressure (r2 > 0.95), and inspiratory diaphragmatic electrical activity integral and esophageal pressure-time product (r2 > 0.71) was observed in all ventilatory conditions. This correlation was not modified by the type of ventilatory support. Conclusions: On a short-term basis, diaphragmatic electrical activity changes are strongly correlated with esophageal pressure changes. In clinical practice, diaphragmatic electrical activity monitoring may help to inform on changes in respiratory efforts. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://journals.lww.com/pccmjournal). Dr. Baudin received funding from Maquet Critical Care (speaking fees and nonfinancial support). Dr. Beck received funding from Maquet Critical Care (she and her husband have made inventions related to neural control of mechanical ventilation that are patented. The patents are assigned to the academic institution[s] where inventions were made. The license for these patents belongs to Maquet Critical Care. Future commercial uses of this technology may provide financial benefit to them through royalties) and Neurovent Research Inc (NVR) (she and her husband own 50% of NVR, which is a research and development company that builds the equipment and catheters for research studies. NVR has a consulting agreement with Maquet Critical Care). Dr. Jouvet's institution received funding from Air Liquide Santé (grant and lecture), and he received salary and grant funding from the Ministry of Health of Quebec, Sainte Justine Hospital, and Public Research Agency of Quebec. Dr. Emeriaud's institution received funding from Fonds de Recherche du Québec—Santé and Maquet Critical Care (currently supporting a feasibility study in neonatal ventilation which Dr. Emeriaud is leading). The remaining authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: sandrine.essouri.hsj@ssss.gouv.qc.ca ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

International Study of the Epidemiology of Platelet Transfusions in Critically Ill Children With an Underlying Oncologic Diagnosis
Objectives: To describe the epidemiology of platelet transfusions in critically ill children with an underlying oncologic diagnosis and to examine effects of prophylactic versus therapeutic transfusions. Design: Subgroup analysis of a prospective, observational study. Setting: Eighty-two PICUs in 16 countries. Patients: All children (3 d to 16 yr old) who received a platelet transfusion during one of the six predefined screening weeks and had received chemotherapy in the previous 6 months or had undergone hematopoietic stem cell transplantation in the last year. Interventions: None. Measurements and Main Results: Of the 548 patients enrolled in the parent study, 237 (43%) had an underlying oncologic diagnosis. In this population, 71% (168/237) of transfusions were given prophylactically, and 59% (139/237) of transfusions were given at a total platelet count greater than 20 × 109/L, higher than the current recommendations. Those with an underlying oncologic diagnosis were significantly older, and received less support including less mechanical ventilation, fewer medications that affect platelet function, and less use of extracorporeal life support than those without an underlying oncologic diagnosis. In this subpopulation, there were no statistically significant differences in median (interquartile range) platelet transfusion thresholds when comparing bleeding or nonbleeding patients (50 × 109/L [10–50 × 109/L] and 30 × 109/L [10–50 × 109/L], respectively [p = 0.166]). The median (interquartile range) interval transfusion increment in children with an underlying oncologic diagnosis was 17 × 109/L (6–52 × 109/L). The presence of an underlying oncologic diagnosis was associated with a poor platelet increment response to platelet transfusion in this cohort (adjusted odds ratio, 0.46; 95% CI, 0.22–0.95; p = 0.035). Conclusions: Children with an underlying oncologic diagnosis receive nearly half of platelet transfusions prescribed by pediatric intensivists. Over half of these transfusions are prescribed at total platelet count greater than current recommendations. Studies must be done to clarify appropriate indications for platelet transfusions in this vulnerable population. The Point Prevalence Study of Platelet Transfusions in Critically Ill Children (P3T) Investigators are listed in the Acknowledgments. Dr. Cushing received funding from Cerus Corporation, Octapharma, and Instrumentation Laboratory. Dr. Steiner's institution received funding from the National Institutes of Health and Boeringer-Ingelheim, and she received funding from Cerus (travel for study design consultation regarding pathogen-inactivated red cells). The remaining authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: man9026@med.cornell.edu ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Parent Medical Traumatic Stress and Associated Family Outcomes After Pediatric Critical Illness: A Systematic Review
Objectives: To critically review, analyze, and synthesize the literature on parent medical traumatic stress from a child's critical illness requiring PICU admission and its association with outcomes of parent mental and physical health, and family functioning. Data Sources: Systematic literature search of Pubmed, Embase, CINAHL, and PsychInfo. Study Selection: Two reviewers identified peer-reviewed published articles with the following criteria: 1) published between January 1, 1980, and August 1, 2018; 2) published in English; 3) study population of parents of children with a PICU admission; and 4) quantitative studies examining factors associated with outcomes of parent mental health, parent physical health, or family functioning. Data Extraction: Literature search yielded 2,476 articles, of which 23 studies met inclusion criteria. Study data extracted included study characteristics, descriptive statistics of parent outcomes after critical illness, and variables associated with parent and family outcomes. Data Synthesis: Studies examined numerous variables associated with parent and family outcomes and used multiple survey measures. These variables were categorized according to their phase in the Integrative Trajectory Model of Pediatric Medical Traumatic Stress, which included peri-trauma, acute medical care, and ongoing care or discharge from care. The majority of objective elements of a child's illness, such as severity of illness and length of hospitalization, did not have a clear relationship with parent and family outcomes. However, familial preexisting factors, a parent's subjective experience in the PICU, and family life stressors after discharge were often associated with parent and family outcomes. Conclusions: This systematic literature review suggests that parent and family outcomes after pediatric critical illness are impacted by familial preexisting factors, a parent's subjective experience in the PICU, and family life stressors after discharge. Developing parent interventions focused on modifying the parent's subjective experience in the PICU could be an effective approach to improve parent outcomes. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://journals.lww.com/pccmjournal). This work was supported by the Department of Pediatrics at Children's Hospital of Michigan and the Department of Pediatrics at the University of Michigan. The authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: lyagiela@dmc.org ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

Severe Sepsis in Pediatric Liver Transplant Patients: The Emergence of Multidrug-Resistant Organisms
Objectives: To describe characteristics of liver transplant patients with severe sepsis in the PICU. Design: Retrospective descriptive analysis. Setting: Tertiary children's hospital PICU. Patients: Liver transplant recipients admitted January 2010 to July 2016 for pediatric severe sepsis. Interventions: None. Measurements and Main Results: Between January 2010 and July 2016, 173 liver transplants were performed, and 36 of these patients (21%) were admitted with severe sepsis (54 episodes total). Median age at admission was 2 years (1–6.5 yr), 47.2% were male. Bacterial infections were the most common (77.8%), followed by culture negative (12.9%) and viral infections (7.4%). Fungal infections accounted for only 1.9%. Median time from transplant for viral and culture negative infections was 18 days (8.25–39.75 d) and 25 days (9–41 d), whereas 54.5 days (17–131.25 d) for bacterial infections. Bloodstream and intra-abdominal were the most common bacterial sites (45% and 22.5%, respectively). Multidrug-resistant organisms accounted for 47.6% of bacterial sepsis. Vancomycin-resistant Enterococcus and extended-spectrum beta-lactamase producers were the most frequently identified multidrug-resistant organisms. Patients with multidrug-resistant organism sepsis demonstrated higher admission Pediatric Logistic Organ Dysfunction scores (p = 0.043) and were noted to have an odds ratio of 3.8 and 3.6 for mechanical ventilation and multiple organ dysfunction syndrome, respectively (p = 0.047 and p = 0.044). Overall mortality was 5.5% (n = 2 patients), with both deaths occurring in multidrug-resistant organism episodes. Conclusions: We report that multidrug-resistant organisms are increasingly being identified as causative pathogens for sepsis in pediatric liver transplant recipients and are associated with significantly higher odds for mechanical ventilation and higher organ failure. The emergence of multidrug-resistant organism infections in pediatric liver transplant patients has implications for patient outcomes, antibiotic stewardship, and infection prevention strategies. Supported, in part, by grant from National Institutes of Health (NIH) T32-HD40686 (to Dr. Alcamo) and NIH R01-GM108618 (to Dr. Carcillo). Dr. Alcamo's institution received funding from National Institutes of Health (NIH) T32 HD040686. Drs. Alcamo, Carcillo, and Aneja received support for article research from the NIH. Dr. Carcillo's institution received funding from the NIH/National Institute of General Medical Sciences. Dr. Michaels' institution received funding from Pfizer (unrelated study grant), and she received funding as an American Society of Transplantation board member (travel and room for meetings, no honoraria) and from National Institute of Allergy and Infectious Diseases (honoraria and travel and room for Data and Safety Monitoring Board meetings). Dr. Aneja received royalties from UpToDate. The remaining authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: Alicia.Alcamo@chp.edu ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

State of the Unit: Physician Gender Diversity in Pediatric Critical Care Medicine Leadership
Gender disparities in leadership are receiving increased attention throughout medicine and medical subspecialties. Little is known about the disparities in Pediatric Critical Care Medicine. In this piece, we explore gender disparities in Pediatric Critical Care Medicine physician leadership. We examine physician leadership in the Accreditation Council for Graduate Medical Education fellowship programs, as well as a limited sample of major Pediatric Critical Care Medicine textbooks and societies. Overall, the gender composition of division directors is not significantly different from that of workforce composition, although regional differences exist. More women than men lead fellowship programs, at a higher ratio compared with workforce composition. However, greater gender disparities are present in editorial leadership in this limited analysis. We conclude by recommending potential paths forward for further study and intervention, such as tracking gender diversity and being cognizant of the unique challenges that women currently experience in professional advancement. Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's website (http://journals.lww.com/pccmjournal). Dr. Riley receives support from the Institute for Healthcare Improvement to develop measurement framework and measures for the 100 Million Healthier Lives Initiative. Dr. Stalets received funding from Fisher & Paykel (hotel and flight accommodations to attend a conference). The remaining authors have disclosed that they do not have any potential conflicts of interest. For information regarding this article, E-mail: Andrea.Maxwell@cchmc.org ©2019The Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies

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