Variability in Diagnosis and Management of Hypoglycemia in Neonatal Intensive Care Unit.

OBJECTIVE: Hypoglycemia, the most common metabolic derangement in the newborn period remains a contentious issue, not only due to various numerical definitions, but also due to limited therapeutical options which either lack evidence to support their efficacy or are increasingly recognized to lead to adverse reactions in this population. This study aimed to investigate neonatologists' current attitudes in diagnosing and managing transient and persistent hypoglycemia in newborns admitted to the Neonatal Intensive Care Unit (NICU). METHODS: A web-based electronic survey which included 34 questions and a clinical vignette was sent to U.S. neonatologists. RESULTS: There were 246 survey responses with most respondents using local protocols to manage this condition. The median glucose value used as the numerical definition of hypoglycemia in first 48 hours of life (HOL) for symptomatic and asymptomatic term infants and preterm infants was 45 mg/dL (2.5 mmol/L; 25-60 mg/dL; 1.4-3.3 mmol/L), while after 48 HOL the median value was 50 mg/dL (2.8 mmol/L; 30-70 mg/dL; 1.7-3.9 mmol/L). There were various approaches used to manage transient and persistent hypoglycemia that included dextrose gel, increasing caloric content of the feeds using milk fortifiers, using continuous feedings, formula or complex carbohydrates, and use of various medications such as diazoxide, glucocorticoids, and glucagon. CONCLUSION: There is still large variability in current practices related to hypoglycemia. Further research is needed not only to provide evidence to support the values used as a numerical definition for hypoglycemia, but also on the efficacy of current strategies used to manage this condition. KEY POINTS: · Numerical definition of glucose remains variable.. · Strategies managing transient and persistent hypoglycemia are diverse.. · There is a need for further research to investigate efficacy of various treatment options..

Comparing nasal suction devices in children with bronchiolitis: A pilot randomized control trial.

BACKGROUND/OBJECTIVES: Bronchiolitis is the most common cause of lower respiratory tract infections that lead to hospitalizations in infants and young children. METHODS: In this randomized controlled pilot study, we compared two separate nasal suction devices, namely the over counter device by the brand name of NoseFrida and the standard hospital device NeoSucker, in hospitalized children with bronchiolitis to assess equivalence of length of stay within a ± 5-h equivalence margin and to compare readmission rates and associated complications. Additionally, parental satisfaction for the NoseFrida device was measured with a six question (5-point Likert scale) survey. RESULTS: There were 20 patients randomized to the NeoSucker group and 24 randomized to the NoseFrida group. The mean length of stay for the NoseFrida group was 33.5 ± 25.4 h compared to 31.0 ± 15.6 h in the NeoSucker group, which did not establish equivalence within the ±5-h equivalence margin (p = 0.352). Parents were generally satisfied with the NoseFrida. Patients treated with the two devices had similar frequencies of deep suctioning and readmission within 48 h. CONCLUSIONS: Although the mean length of stay was comparable for bronchiolitis patients treated with the NoseFrida and NeoSucker, the relatively small sample size and large amount of variability precluded demonstrating equivalence. Since this was a pilot, further studies are needed to evaluate the recommendation for the use of such devices in both the hospital setting and in the outpatient management of bronchiolitis.

Comparison of Platelet Mass Index to Platelet Count as Transfusion Trigger in Neonatal Extracorporeal Membrane Oxygenation.

BACKGROUND: Platelet transfusions are routinely administered to neonates in intensive care units when there are concerns of bleeding, including high-risk situations like Extracorporeal Membrane Oxygenation (ECMO). Most platelets in ICUs are transfused prophylactically for thrombocytopenia based solely on the platelet count. Platelet Mass Index (PMI) has been proposed as an alternative to platelet count (PC) as a transfusion trigger. The objective of this study was to determine the relationship between PMI and platelet-specific maximal clot firmness (PMCF) in Rotational thromboelastometry (ROTEM), which gives an indication of platelet contribution to clot firmness and to investigate whether PMI may be a better choice as a trigger for platelet transfusions than PC. METHODS: Retrospective review of medical records of neonates with congenital heart disease placed on ECMO support in the cardiovascular intensive care unit (CVICU) from 2015 to 2018 was conducted. Platelet count (PC), platelet mean volume (PMV), ROTEM parameters along with demographic data including gestation age, birth weight, gender and survival were collected. Mixed effects linear models with a first order autoregressive covariance structure were used to assess the associations of PMI, PC, and MPV against PMCF. In addition, generalized estimating equations with a first order auto-regressive covariance structure were used to compare odds of transfusion using PC versus PMI triggers. RESULTS: A total of 92 tests on consecutive days were obtained for 12 ECMO patients (5 male, GA = 38.1 ± 1.6 weeks, BW = 3.1 ± 0.4 kgs, mean ± SD). A variation of 40.1% in PMCF was explained by platelet count (p < 0.001) while 38.5% of the variation in PMCF was explained by PMI (p < 0.001). If the platelet transfusion trigger was PC < 100 x 103 platelets/µL vs. PMI < 800. Using the PC trigger yielded significantly higher odds of transfusion compared to the PMI trigger (odds ratio = 1.31, 95% confidence interval: 1.18 - 1.45, p < 0.001). CONCLUSIONS: While our study failed to demonstrate a superior correlation of PMI with PMCF than PC, our study did reveal that using PMI as transfusion trigger would result in significantly less platelet transfusions, when compared with the current practice of using PC as a trigger.

Investigation of social support as a mediator of the relationship between physical and psychological health among hospitalised patients.

AIM: To investigate the self-reported levels of social support from friends and family and from nurses as mediators of the relationship between self-rated physical and psychological condition in hospitalised patients. DESIGN: Cross-sectional study of adult inpatients at a large tertiary-care hospital in the northeast United States. METHODS: Multiple mediation analysis of survey data. RESULTS: In surveys received from 324 inpatients, one fourth of the variation in patients' self-rated psychological condition was explained by self-rated physical condition. Social support from family and friends mediated a significant proportion (11.0%) of the relationship between self-rated physical and psychological condition, however social support from nurses did not. CONCLUSION: Social support from family and friends can positively influence the psychological health of inpatients, but nurses are not an adequate replacement for the social support provided by family and friends. IMPLICATIONS FOR NURSING: Although nurses cannot replace the social support provided by family and friends, the assessment of social isolation and care planning of interventions to support patients is a fundamental nursing role. Technology to connect patients with friends and family should be used to mitigate isolation for hospitalised patients unable to receive in-person visits from loved ones. IMPACT: The influence of social support from family and friends and nurses was addressed. The study found social support from family and friends, but not nurses, to influence the relationship between physical and psychological ratings. This finding has implications for the role of nurses in the hospital setting. REPORTING METHOD: Strengthening the Reporting of Observational Studies in Epidemiology guidelines were followed.

Oxygenation Factors Associated with Retinopathy of Prematurity in Infants of Extremely Low Birth Weight.

OBJECTIVE: To study characteristics of oxygenation during the first 2 postnatal months and correlation with the occurrence and severity of retinopathy of prematurity (ROP) among infants of extremely low birth weight. STUDY DESIGN: This retrospective study analyzed the incidence and severity of hyperoxemia and hypoxemia while on respiratory support with or without supplemental oxygen among infants of extremely low birth weight (birth weight <1000 g) admitted to the neonatal intensive care unit during 2016-2020. The findings were correlated with the occurrence and severity of ROP after adjusting for baseline covariates. RESULTS: After adjusting for differences in baseline demographic and clinical features, the group with severe ROP was exposed to greater fraction of inspired oxygen (FiO2) (P = .001) and experienced more frequent FiO2 titration adjustments (P = .001) compared with the group without ROP. Ambient air hyperoxemia occurred more frequently in the group without ROP (P = .003), and iatrogenic hyperoxemia occurred more frequently in the group with severe ROP (P = .046). There were no differences in the severity of ambient and iatrogenic hyperoxemia in the study population. The group with severe ROP demonstrated more hypoxemic episodes (P = .01) and longer time spent in the severe hypoxemic range (P = .005) compared with the group without ROP. CONCLUSIONS: Severe ROP is associated with greater FiO2 exposure, increased iatrogenic hyperoxemia, decreased ambient air hyperoxemia, and increased hypoxemia in infants of extremely low birth weight despite a greater frequency of FiO2 titration. This study illustrates the need for automated closed loop FiO2 delivery systems to further optimize oxygen saturation targeting in this high-risk population.

Blood transfusion is associated with increased mortality for neonates with congenital diaphragmatic hernia on extracorporeal membrane oxygenation support.

BACKGROUND AND OBJECTIVES: Blood transfusion is frequently needed to maintain adequate haemostasis and improve oxygenation for patients treated with extracorporeal membrane oxygenation (ECMO). It is more so for neonates with immature coagulation systems who require surgical intervention such as congenital diaphragmatic hernia (CDH) repair. There is growing evidence suggesting an association between blood transfusions and increased mortality. The aim of this study is to evaluate the association of blood transfusions during the peri-operative period of CDH repair, among other clinical parameters, with mortality in neonates undergoing on-ECMO CDH repair. MATERIALS AND METHODS: We performed a single centre retrospective chart review of all neonates with CDH undergoing on-ECMO surgical repair from January 2010 to December 2020. Logistic regression was used to investigate associations with survival status. RESULTS: Sixty-two patients met the inclusion criteria. Platelet transfusions (odds ratio [OR] 1.42, 95% confidence interval [CI]: 1.06-1.90) in the post-operative period and ECMO duration (OR 1.17, 95% CI: 1.05-1.30) were associated with increased mortality. Major bleeding complications had the strongest association with mortality (OR 10.98, 95% CI: 3.27-36.91). Gestational age, birth weight, Apgar scores, sex, blood type, right versus left CDH, venovenous versus venoarterial ECMO and duration of ECMO before CDH repair and circuit change after adjusting for ECMO duration were not significantly associated with survival. CONCLUSION: Platelet transfusion in the post-operative period and major bleeding are associated with increased mortality in CDH neonates with surgical repair. The data suggest a need to develop robust plans for monitoring and preventing coagulation aberrancies during neonatal ECMO support.

Mortality and Morbidity in Premature Infants: An East and West Comparative Study.

OBJECTIVE: Survival of preterm infants differs dramatically depending on birthplace. No previous studies have compared outcomes of preterm infants between low middle-income and high-income countries such as India and the United States. The purpose of this study is to evaluate differences in care practices, resources, mortality, and morbidities in preterm infants with birth weight 700 to 1,500 g between two major neonatal centers in these countries. STUDY DESIGN: This is a retrospective cohort study with de-identified data from Fernandez Hospital (FH) in Hyderabad, India, and Texas Children's Hospital (TCH) in Houston, TX, for infants born January 2016 to December 2018, and weighing 700 to 1,500 g at birth. The primary outcome was death before hospital discharge. RESULTS: Of 1,195 infants, 736 were admitted to FH and 459 were admitted to TCH. After controlling for differences in gestational age, small for gestational age, and antenatal corticosteroid use, TCH patients had lower mortality before hospital discharge (adjusted odds ratio [aOR] = 0.28, 95% confidence interval [CI]: 0.16-0.48, p < 0.001) and more bronchopulmonary dysplasia (BPD; aOR = 2.2, 95% CI: 1.51-3.21, p < 0.001). The composite outcome of death or BPD and death or any major morbidity (BPD or intraventricular hemorrhage grade II or more or periventricular leukomalacia grade II or more or retinopathy of prematurity requiring treatment) were not different. CONCLUSION: In this study, TCH infants had decreased odds of death before hospital discharge compared with FH but higher odds of BPD, which may be related to increased survival and differences in care practices. KEY POINTS: · Few studies compared outcomes of premature infants between different high-income countries.. · There are no studies comparing preterm infants between low middle-income and high-income countries such as India and the United States.. · This study evaluated detailed comparison of care practices and infrastructure of NICUs in India and United states..

Fungal cutaneous microbiome and host determinants in preterm and term neonates.

BACKGROUND: The neonatal cutaneous mycobiome has not been characterized in preterm infants. Invasive fungal infections in preterm neonates are associated with high mortality. The immaturity of the preterm skin predisposes neonates to invasive infection by skin colonizers. We report the clinical and host determinants that influence the skin mycobiome. METHODS: Skin swabs from the antecubital fossa, forehead, and gluteal region of 15 preterm and 15 term neonates were obtained during the first 5 weeks of life. The mycobiome was sequenced using the conserved pan-fungal ITS2 region. Blood samples were used to genotype immune modulating genes. Clinical metadata was collected to determine the clinical predictors of the abundance and diversity of the skin mycobiome. RESULTS: The neonatal mycobiome is characterized by few taxa. Alpha diversity of the mycobiome is influenced by antibiotic exposure, the forehead body site, and the neonatal intensive care unit (NICU) environment. Beta diversity varies with mode of delivery, diet, and body site. The host determinants of the cutaneous microbiome include single-nucleotide polymorphisms in TLR4, NLRP3,CARD8, and NOD2. CONCLUSION: The neonatal cutaneous mycobiome is composed of few genera and is influenced by clinical factors and host genetics, the understanding of which will inform preventive strategies against invasive fungal infections.

Identifying Aspiration Among Infants in Neonatal Intensive Care Units Through Occupational Therapy Feeding Evaluations.

IMPORTANCE: When a neonate's sucking, swallowing, and breathing are disorganized, oropharyngeal aspiration often occurs and results in illness, developmental problems, and even death. Occupational therapists who work in the neonatal intensive care unit (NICU) need to identify neonates who are at risk for aspirating so they can provide appropriate treatment. OBJECTIVE: To ascertain whether client factors and performance skills of infants ages 0-6 mo during occupational therapy feeding evaluations are related to results of videofluoroscopic swallowing studies (VFSSs). DESIGN: Retrospective chart reviews. SETTING: 187-bed NICU in a nonprofit teaching hospital. PARTICIPANTS: A purposive sample of 334 infants ages 0-6 mo, ≥33 wk gestational age at birth, admitted to a Level II, III, or IV NICU as defined by the American Academy of Pediatrics. OUTCOMES AND MEASURES: Neonates were administered a feeding evaluation by an occupational therapist and a VFSS by a speech-language pathologist, which yielded information about client factors and performance skills. RESULTS: Signs and symptoms of aspiration on the evaluations were significantly associated with VFSS results. Of 310 patients, 79 had silent aspiration. Of 55 infants who demonstrated no aspiration symptoms during the feeding evaluation, 45% demonstrated aspiration symptoms on the VFSS, and 55% aspirated on the VFSS but demonstrated no symptoms of aspiration. CONCLUSIONS AND RELEVANCE: Aspiration among infants occurs inconsistently and depends on client factors, contexts, and environments. Occupational therapists are encouraged to assess an infant's feeding over several sessions to obtain a more accurate picture of the infant's feeding status. WHAT THIS ARTICLE ADDS: This study provides information that helps occupational therapists identify infants at risk for aspiration and make optimal recommendations regarding safe feeding practices and appropriate referrals for a VFSS. Making appropriate referrals for VFSS is also important in preventing unnecessary exposure to radiation for preterm infants.

Early proton magnetic resonance spectroscopy during and after therapeutic hypothermia in perinatal hypoxic-ischemic encephalopathy.

BACKGROUND: Hypoxic-ischemic encephalopathy (HIE) remains a significant cause of mortality and neurodevelopmental impairment despite treatment with therapeutic hypothermia. Magnetic resonance H1-spectroscopy measures concentrations of cerebral metabolites to detect derangements in aerobic metabolism. OBJECTIVE: We assessed MR spectroscopy in neonates with HIE within 18-24 h of initiating therapeutic hypothermia and at 5-6 days post therapeutic hypothermia. MATERIALS AND METHODS: Eleven neonates with HIE underwent MR spectroscopy of the basal ganglia and white matter. We compared metabolite concentrations during therapeutic hypothermia and post-therapeutic hypothermia and between moderate and severe HIE. RESULTS: During therapeutic hypothermia, neonates with severe HIE had decreased basal ganglia N-acetylaspartate (NAA; 0.62±0.08 vs. 0.72±0.05; P=0.02), NAA + N-acetylaspartylglutamate (NAAG; 0.66±0.11 vs. 0.77±0.06; P=0.05), glycerophosphorylcholine + phosphatidylcholine (GPC+PCh; 0.28±0.05 vs. 0.38±0.06; P=0.02) and decreased white matter GPC+PCh (0.35±0.13 vs. 0.48±0.04; P=0.02) compared to neonates with moderate HIE. For all subjects, basal ganglia NAA decreased (-0.08±0.07; P=0.01), whereas white matter GPC+PCh increased (0.03±0.04; P=0.04) from therapeutic hypothermia MRI to post-therapeutic-hypothermia MRI. All metabolite values are expressed in mmol/L. CONCLUSION: Decreased NAA and GPC+PCh were associated with greater HIE severity and could distinguish neonates who might benefit most from targeted additional neuroprotective therapies.

Cerebral oxygen metabolism during and after therapeutic hypothermia in neonatal hypoxic-ischemic encephalopathy: a feasibility study using magnetic resonance imaging.

BACKGROUND: Therapeutic hypothermia is the standard-of-care treatment for infants diagnosed with moderate-to-severe hypoxic-ischemic encephalopathy (HIE). MRI for assessing brain injury is usually performed after hypothermia because of logistical challenges in bringing acutely sick infants receiving hypothermia from the neonatal intensive care unit (NICU) to the MRI suite. Perhaps examining and comparing early cerebral oxygen metabolism disturbances to those after rewarming will lead to a better understanding of the mechanisms of brain injury in HIE and the effects of therapeutic hypothermia. OBJECTIVE: The objectives were to assess the feasibility of performing a novel T2-relaxation under spin tagging (TRUST) MRI technique to measure venous oxygen saturation very early in the time course of treatment, 18-24 h after the initiation of therapeutic hypothermia, to provide a framework to measure neonatal cerebral oxygen metabolism noninvasively, and to compare parameters between early and post-hypothermia MRIs. MATERIALS AND METHODS: Early (18-24 h after initiating hypothermia) MRIs were performed during hypothermia treatment in nine infants with HIE (six with moderate and three with severe HIE). Six infants subsequently had an MRI after hypothermia. Mean values of cerebral blood flow, oxygen extraction fraction, and cerebral metabolic rate of oxygen from MRIs during hypothermia were compared between infants with moderate and severe HIE; and in those with moderate HIE, we compared cerebral oxygen metabolism parameters between MRIs performed during and after hypothermia. RESULTS: During the initial hypothermia MRI at 23.5±5.2 h after birth, infants with severe HIE had lower oxygen extraction fraction (P=0.04) and cerebral metabolic rate of oxygen (P=0.03) and a trend toward lower cerebral blood flow (P=0.33) compared to infants with moderate HIE. In infants with moderate HIE, cerebral blood flow decreased and oxygen extraction fraction increased between MRIs during and after hypothermia (although not significantly); cerebral metabolic rate of oxygen (P=0.93) was not different. CONCLUSION: Early MRIs were technically feasible while maintaining hypothermic goal temperatures in infants with HIE. Cerebral oxygen metabolism early during hypothermia is more disturbed in severe HIE. In infants with moderate HIE, cerebral blood flow decreased and oxygen extraction fraction increased between early and post-hypothermia scans. A comparison of cerebral oxygen metabolism parameters between early and post-hypothermia MRIs might improve our understanding of the evolution of HIE and the benefits of hypothermia. This approach could guide the use of adjunctive neuroprotective strategies in affected infants.

Managing Skin and Soft Tissue Infections in the Emergency Department Observation Unit.

BACKGROUND: Skin and soft tissue infections (SSTIs) are a common reason for presentation to the emergency department (ED) and account for 3% of ED visits. Patients with a diagnosis of cellulitis requiring intravenous (IV) antibiotics have traditionally been admitted to the hospital. In our institution, these patients are placed in the ED Observation Unit (EDOU) for IV antibiotics. OBJECTIVES: The purpose of this study is to determine if 3 doses of IV antibiotics are adequate to document clinical improvement in children with uncomplicated SSTI. METHODS: A prospective cohort study of children aged 3 months to 18 years with uncomplicated SSTI admitted (2009-2013) to the EDOU at a children's hospital for IV antibiotics was conducted. RESULTS: One hundred six patients (mean age, 68 months) were enrolled; 57% were boys, 53% of patients had cellulitis only and 47% had cellulitis with drained abscesses. There was a significant decrease in pain scores and size of cellulitis from arrival to discharge (P < 0.001 and P < 0.001, respectively). Eighty-three percent of patients were discharged after 3 to 4 doses of antibiotics, and 17% were admitted. The location of the wound, presence of systemic symptoms, and prior use of oral antibiotics did not predict admission in our study. CONCLUSIONS: The EDOU is a reasonable alternative to inpatient admission in the management of patients with uncomplicated SSTI requiring IV antibiotics.

Lung omics signatures in a bronchopulmonary dysplasia and pulmonary hypertension-like murine model.

Bronchopulmonary dysplasia (BPD), the most common chronic lung disease in infants, is associated with long-term morbidities, including pulmonary hypertension (PH). Importantly, hyperoxia causes BPD and PH; however, the underlying mechanisms remain unclear. Herein, we performed high-throughput transcriptomic and proteomic studies using a clinically relevant murine model of BPD with PH. Neonatal wild-type C57BL6J mice were exposed to 21% oxygen (normoxia) or 70% oxygen (hyperoxia) during postnatal days (PNDs) 1-7. Lung tissues were collected for proteomic and genomic analyses on PND 7, and selected genes and proteins were validated by real-time quantitative PCR and immunoblotting analysis, respectively. Hyperoxia exposure dysregulated the expression of 344 genes and 21 proteins. Interestingly, hyperoxia downregulated genes involved in neuronal development and maturation in lung tissues. Gene set enrichment and gene ontology analyses identified apoptosis, oxidoreductase activity, plasma membrane integrity, organ development, angiogenesis, cell proliferation, and mitophagy as the predominant processes affected by hyperoxia. Furthermore, selected deregulated proteins strongly correlated with the expression of specific genes. Collectively, our results identified several potential therapeutic targets for hyperoxia-mediated BPD and PH in infants.

Prophylactic Dextrose Gel Does Not Prevent Neonatal Hypoglycemia: A Quasi-Experimental Pilot Study.

OBJECTIVE: To test the hypothesis that prophylactic dextrose gel administered to newborn infants at risk for hypoglycemia will increase the initial blood glucose concentration after the first feeding and decrease neonatal intensive care unit (NICU) admissions for treatment of asymptomatic neonatal hypoglycemia compared with feedings alone. STUDY DESIGN: This quasi-experimental study allocated asymptomatic at-risk newborn infants (late preterm, birth weight <2500 or >4000 g, and infants of mothers with diabetes) to receive prophylactic dextrose gel (Insta-Glucose; Valeant Pharmaceuticals North America LLC, Bridgewater, New Jersey); other at-risk infants formed the control group. After the initial feeding, the prophylactic group received dextrose gel (0.5 mL/kg) rubbed into the buccal mucosa. The blood glucose concentration was checked 30 minutes later. Initial glucose concentrations and rate of NICU admissions were compared between the prophylactic group and controls using bivariate analyses. A multivariable linear regression compared first glucose concentrations between groups, adjusting for at-risk categories and age at first glucose concentration. RESULTS: There were 236 subjects (72 prophylactic, 164 controls). The first glucose concentration was not different between the prophylactic and control groups in bivariate analysis (52.1 ± 17.1 vs 50.5 ± 15.3 mg/dL, P = .69) and after adjusting for covariates (P = .18). Rates of NICU admission for treatment of transient neonatal hypoglycemia were 9.7% and 14.6%, respectively (P = .40). CONCLUSIONS: Prophylactic dextrose gel did not reduce transient neonatal hypoglycemia or NICU admissions for hypoglycemia. The carbohydrate concentration of Insta-Glucose (77%) may have caused a hyperinsulinemic response, or alternatively, exogenous enteral dextrose influences glucose homeostasis minimally during the first few hours when counter-regulatory mechanisms are especially active. TRIAL REGISTRATION: ClinicalTrials.gov: NCT02523222.

Bleeding Complications and Mortality in Neonates Receiving Therapeutic Hypothermia and Extracorporeal Membrane Oxygenation.

OBJECTIVE: The objective of this study was to compare complications and mortality in neonates with hypoxic ischemic encephalopathy (HIE) on extracorporeal membrane oxygenation (ECMO) who did and did not receive therapeutic hypothermia (TH). STUDY DESIGN: The Extracorporeal Life Support Organization registry was queried from 2005 to 2013 to identified infants with HIE. Infants ≤30 days of age with HIE on respiratory ECMO were included. Fisher's exact test and the Wilcoxon's rank-sum test were used to compare neonates with and without TH. Logistic regression was used to examine the association of TH with complications and mortality. RESULTS: There were no difference between neonates with HIE who did (n = 78) and did not (n = 109) receive TH in demographics, severity of illness, complications, and mortality (p = 0.21). CONCLUSION: No differences in complications or mortality in neonates with HIE and respiratory ECMO were observed between those who did and did not receive TH. We suggest that for neonates requiring respiratory ECMO who also have HIE, TH is not contraindicated.

How We Got Smart: Improving Interdisciplinary Communication When Summoning Neonatology to High-Risk Deliveries.

Communication around high-risk deliveries is critical to ensure patient safety. A hospital-wide system change in paging the neonatal resuscitation team (NRT) to deliveries was implemented but disliked. An interdisciplinary team seized the opportunity to explore opportunities for an enhanced system to improve communication. The team designed a new screen to our smart panel (responder 5 staff terminal, Rauland, Mount Prospect, Illinois) to page NRT with the location and primary indication for which they were needed at delivery. Surveys assessed user satisfaction among labor and delivery and NRT. Before and after implementation of the smart panel, we assessed number of NRT pages, frequency of NRT being paged prior to the delivery, the time between page and delivery, and use of the code button to summon help. Labor and delivery and NRT user satisfaction greatly improved with the smart panel. Frequency of NRT being paged before birth increased with fewer code pages being used to summon NRT to deliveries. A touch screen-based notification system can enhance timely notification to summon NRT to deliveries while concurrently enhancing satisfaction of providers in both the delivery room and on the NRT.

Acute Decompensation in Pediatric Cardiac Patients: Outcomes After Rapid Response Events.

OBJECTIVE: We studied rapid response events after acute clinical instability outside ICU settings in pediatric cardiac patients. Our objective was to describe the characteristics and outcomes after rapid response events in this high-risk cohort and elucidate the cardiac conditions and risk factors associated with worse outcomes. DESIGN: A retrospective single-center study was carried out over a 3-year period from July 2011 to June 2014. SETTING: Referral high-volume pediatric cardiac center located within a tertiary academic pediatric hospital. PATIENTS: All rapid response events that occurred during the study period were reviewed to identify rapid response events in cardiac patients. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: We reviewed 1,906 rapid response events to identify 152 rapid response events that occurred in 127 pediatric cardiac patients. Congenital heart disease was the baseline diagnosis in 74% events (single ventricle, 28%; biventricle physiology, 46%). Seventy-four percent had a cardiac surgery before rapid response, 37% had ICU stay within previous 7 days, and acute kidney injury was noted in 41% post rapid response. Cardiac and/or pulmonary arrest occurred during rapid response in 8.5%. Overall, 81% were transferred to ICU, 22% had critical deterioration (ventilation or vasopressors within 12 hr of transfer), and 56% received such support and/or invasive procedures within 72 hours. Mortality within 30 days post event was 14%. Significant outcome associations included: single ventricle physiology-increased need for invasive procedures and mortality (adjusted odds ratio, 2.58; p = 0.02); multiple rapid response triggers-increased ICU transfer and interventions at 72 hours; critical deterioration-cardiopulmonary arrest and mortality; and acute kidney injury-cardiopulmonary arrest and need for hemodynamic support. CONCLUSIONS: Congenital heart disease, previous cardiac surgery, and recent discharge from ICU were common among pediatric cardiac rapid responses. Progression to cardiopulmonary arrest during rapid response, need for ICU care, kidney injury after rapid response, and mortality were high. Single ventricle physiology was independently associated with increased mortality.

Enamel surface roughness of preferred debonding and polishing protocols.

OBJECTIVE: This study investigated the surface roughness of enamel after debonding and instrumentation with commonly used methods. METHODS: Part I: a survey was sent to active members of the American Association of Orthodontists to determine popular bonding, debonding, and polishing protocols. Part II: brackets were bonded to the buccal surface of 30 extracted human premolar teeth. After debonding, residual adhesive was removed with 12-, 16-, and 20-fluted titanium carbide burs as based upon the survey results. The teeth were scanned with a surface profilometer for surface roughness. Part III: the teeth were further polished using a Reliance Renew polishing point or a prophy cup with pumice and rescanned for surface roughness. RESULTS: Part I: the majority of respondents used a generic bracket-removing plier to remove fixed appliances (53%) and a high-speed handpiece for adhesive removal (85%). The most popular bur was a 12-fluted carbide bur without water spray. The majority of respondents used pumice paste and/or Reliance Renew points after adhesive removal. Part II: there was a significant difference in enamel surface roughness when 12-, 16-, and 20-fluted carbide burs were compared via surface profilometry. Part III: further polishing with a Reliance Renew point or a prophy cup and pumice did not provide a significantly smoother surface. CONCLUSIONS: The results show large variation in debonding and polishing techniques. Creating a smooth enamel surface is equally possible with 12- or 20-fluted carbide burs. Further polishing with pumice and prophy cup or Renew point does not provide an enamel smoother surface.

Comparison of traditional orthodontic polishing systems with novel non-orthodontic methods for residual adhesive removal.

BACKGROUND: Following the debonding of orthodontic brackets, the removal of residual adhesive from the enamel surface is required. Published adhesive removal protocols present conflicting advice. AIMS: The present study evaluated the surface roughness of enamel after debonding and instrumentation with non-traditional orthodontic polishing systems. METHODS: The facial aspects of 35 extracted human incisor teeth were scanned with a surface profilometer for surface roughness prior to the bonding of orthodontic brackets. After debonding, residual adhesive was removed with a 12-fluted titanium carbide bur. The teeth were randomly divided into seven groups (N = 5 per group) and the enamel surface was polished with one of seven products. All samples were re-scanned for surface roughness and subjectively evaluated via SEM. RESULTS: There was no significant difference in enamel surface roughness between the groups when compared using surface profilometry. Visual observations from the SEM evaluations demonstrated differences in the enamel surface at the microscopic level that were not detected by profilometric analysis. CONCLUSIONS: The present study found no statistically significant difference in mean enamel smoothness change from pretreatment to post-treatment between the seven polishing methods studied via profilometer surface reading measurements. An SEM analysis showed visual differences in enamel striations viewed at 1000x magnification in a comparison of traditional versus non- traditional polishing methods.