Asynchronous Learning Module for Pediatric Emergency Medicine Physicians on How to Manage Vaginal Birth and Neonatal Resuscitation in the Emergency Department.

OBJECTIVES: Newborn deliveries and neonatal resuscitation events are rare but essential skills for pediatric emergency medicine (PEM) physicians. We sought to evaluate the effect of an online module on PEM physicians' knowledge and confidence in managing newborn deliveries and neonatal resuscitation. METHODS: A team of experts in PEM, obstetrics, neonatology, and medical education developed a self-directed, 1-hour online module on managing newborn deliveries with neonatal resuscitation. The module was designed to address the learning needs of the targeted group. The module was piloted before dissemination to PEM faculty. A 10-question multiple choice test was given to assess knowledge of the material covered. A 10-point Likert scale questions survey was used to evaluate confidence. Measures were administered before initiation, after module completion, and 6 months after completion. Paired t tests were used to compare mean knowledge scores, and rank sum tests were used to compare median confidence levels. RESULTS: Most (n = 47, 89%) of the PEM faculty members completed the module. The majority (n = 43, 91%) thought the information was relevant to their practice. After completing the module, physicians' overall knowledge scores improved by 18% (mean [SD]: 74% [14.7] vs 92% [8.0], P < 0.01). Self-assessed confidence improved after the module in terms of managing uncomplicated vaginal deliveries (median 5 vs 7, P < 0.01), care of patients with complicated vaginal deliveries (2 vs 5, P < 0.01), and managing neonatal resuscitation (7 vs 8, P < 0.01). During the 6-month follow-up, there was sustained improvement in physicians' overall knowledge score (82% [16.9], P = 0.007) and self-assessed confidence in managing complicated vaginal deliveries (median 2 vs 4, P = 0.0012); however, other measures were not statistically significant. CONCLUSIONS: An online module is an appropriate method for training PEM providers about rarely used but essential skills such as managing vaginal deliveries and neonatal resuscitation.

Characteristics and Geographic Variation in Sudden Unexpected Infant Deaths in the District of Columbia.

ABSTRACT: Sleep-related infant death is a major cause of infant mortality in the United States. In the District of Columbia, infant mortality varies widely among regions (2 to 14 per 1000 live births). The study objectives were to analyze the patient characteristics and related variables to sudden unexpected infant deaths at 2 pediatric emergency department (ED) sites and the geographic patterns of infant deaths and their relationship to social vulnerability. This retrospective cohort study examined infants under 1 year of age presenting with cardiac arrest at 2 ED sites from 2010 to 2020. Analysis showed 81 deaths with a median population age of 75 days (SD, 46 days). The most frequent demographics of deceased patients were African American Black (89%) with Medicaid insurance (63%), born at term gestation (66%), and without comorbidity (60%). The cause of death was most frequently undetermined (32%) and asphyxia (31%). Most cases involved bed-sharing (63%), despite more than half of those cases having a known safe sleep surface available. Infant death location showed that most deaths occurred in areas with the highest social vulnerability index, including near a community ED location. Understanding the etiologies of this geographic variability may enhance sleep-related infant death prevention strategies.

Identification of entry inhibitors with 4-aminopiperidine scaffold targeting group 1 influenza A virus.

Influenza A viruses (IAVs) cause seasonal flu and occasionally pandemics. The current therapeutics against IAVs target two viral proteins - neuraminidase (NA) and M2 ion-channel protein. However, M2 ion channel inhibitors (amantadine and rimantadine) are no longer recommended by CDC for use due to the emergence of high level of antiviral resistance among the circulating influenza viruses, and resistant strains to NA inhibitors (oseltamivir and zanamivir) have also been reported. Therefore, development of novel anti-influenza therapies is urgently needed. As one of the viral surface glycoproteins, hemagglutinin (HA) mediates critical virus entry steps including virus binding to host cells and virus-host membrane fusion, which makes it a potential target for anti-influenza drug development. In this study, we report the identification of compound CBS1116 with a 4-aminopiperidine scaffold from a chemical library screen as an entry inhibitor specifically targeting two group 1 influenza A viruses, A/Puerto Rico/8/34 (H1N1) and recombinant low pathogenic avian H5N1 virus (A/Vietnam/1203/04, VN04Low). Mechanism of action studies show that CBS1116 interferes with the HA-mediated fusion process. Further structure activity relationship study generated a more potent compound CBS1117 which has a 50% inhibitory concentration of 70 nM and a selectivity index of ~4000 against A/Puerto Rico/8/34 (H1N1) infection in human lung epithelial cell line (A549).

A Global Health Research Checklist for clinicians.

Global health research has become a priority in most international medical projects. However, it is a difficult endeavor, especially for a busy clinician. Navigating the ethics, methods, and local partnerships is essential yet daunting.To date, there are no guidelines published to help clinicians initiate and complete successful global health research projects. This Global Health Research Checklist was developed to be used by clinicians or other health professionals for developing, implementing, and completing a successful research project in an international and often low-resource setting. It consists of five sections: Objective, Methodology, Institutional Review Board and Ethics, Culture and partnerships, and Logistics. We used individual experiences and published literature to develop and emphasize the key concepts. The checklist was trialed in two workshops and adjusted based on participants' feedback.

The Role of OmpK35, OmpK36 Porins, and Production of ß-Lactamases on Imipenem Susceptibility in Klebsiella pneumoniae Clinical Isolates, Cairo, Egypt.

BACKGROUND: OmpK35 and OmpK36 are the major outer membrane porins of Klebsiella pneumoniae. We aimed to study the effect of combined porin loss and production of extended-spectrum ß-lactamases (ESBLs) on imipenem susceptibility among K. pneumoniae clinical isolates. MATERIALS AND METHODS: This study included 91 suspected ESBL-producing K. pneumoniae clinical isolates, isolated from different patient specimens at the Cairo University hospital from January to June 2010. All isolates were subjected to genotypic analysis of the outer membrane protein gene expression using reverse transcription-PCR (RT-PCR) and analysis of OmpK35/36 of 38 isolates by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). RESULTS: By RT-PCR, loss of Omp35 was detected in 78 (85.7%) isolates, loss of Omp36 was detected in 64 (70.32%), and loss of both porins was detected in 62 (68.1%). Out of 91 isolates, 45 (49.5%) were resistant to cefoxitin, and 17 (18.7%) were confirmed as derepressed AmpC producers. Omp35 was lost in all FOX-resistant isolates, whereas Omp36 was lost in 42 (93.3%) (p-value 0.002). The mean of ceftazidime inhibition zone diameter was significantly decreased among ESBL-producing isolates with loss of Omp35/36 (p-value 0.041 and 0.006), respectively. The mean of imipenem minimal inhibitory concentration (MIC) was markedly increased to 8.55 µg/ml among AmpC-producing isolates with Omp35/36 loss, while the mean of imipenem MIC among the 66 confirmed ESBL producers was 0.32 µg/ml. CONCLUSION: Imipenem MIC was markedly increased among K. pneumoniae isolates showing AmpC production with loss of both porins OmpK35/36. Meanwhile, the association of porin OmpK35/36 loss with ESBL production was not a direct cause of resistance to imipenem.

Impact of serology and molecular methods on improving the microbiologic diagnosis of infective endocarditis in Egypt.

BACKGROUND: Conventional diagnosis of infective endocarditis (IE) is based mainly on culture-dependent methods that may fail because of antibiotic therapy or fastidious microorganisms. OBJECTIVES: We aimed to evaluate the added values of serological and molecular methods for diagnosis of infective endocarditis. PATIENTS AND METHODS: One hundred and fifty-six cases of suspected endocarditis were enrolled in the study. For each patient, three sets of blood culture were withdrawn and serum sample was collected for Brucella, Bartonella and Coxiella burnetii antibody testing. Galactomannan antigen was added if fungal endocarditis was suspected. Broad range PCR targeting bacterial and fungal pathogens were done on blood culture bottles followed by sequencing. Culture and molecular studies were done on excised valve tissue when available. RESULTS: One hundred and thirty-two cases were diagnosed as definite IE. Causative organisms were detected by blood cultures in 40 (30.3 %) of cases. Blood culture-negative endocarditis (BCNE) represented 69.7 %. Of these cases, PCR followed by sequencing on blood and valvular tissue could diagnose five cases of Aspergillus flavus. Eleven patients with BCNE (8.3 %) were diagnosed as zoonotic endocarditis by serology and PCR including five cases of Brucella spp, four cases of Bartonella spp and two cases of Coxiella burnetii. PCR detected three cases of Brucella spp and two cases of Bartonella spp, while cases of Coxiella burnetii were PCR negative. The results of all diagnostic tools decreased the percentage of non-identified cases of BCNE from 69.7 to 49.2 %. CONCLUSION: Our data underline the role of serologic and molecular tools for the diagnosis of blood culture-negative endocarditis.

Adverse effects of oral nonstimulant psychotropic medications in young children reported to a regional poison center.

BACKGROUND: Use of nonstimulant psychotropic medications other than antidepressants in young children is reported to be increasing. The patient safety ramifications of this remain unclear. OBJECTIVES: To evaluate the frequency of calls to a regional poison center reporting adverse drug effects and the level of medical attention required in young children who are receiving oral nonstimulant psychotropic medications. MATERIALS AND METHODS: A retrospective review of 544 267 consecutive human exposure poison center records between 2000 and 2008 was conducted for cases of young children given nonstimulant psychotropic medications with therapeutic intent. RESULTS: A total of 597 cases met criteria for analysis. Drugs involved were 286 risperidone, 133 clonidine, 114 quetiapine, 37 aripiprazole, 43 olanzapine, 29 ziprasidone, and 5 buspirone; two or more were involved in 250 cases. Reasons for exposure included excess dose given unintentionally (61%), wrong medication unintentionally (12%), adverse effects with correct dose (11%), excess dose intentionally (0.6%), therapeutic error by health-care provider (0.5%), and unclear circumstances (15%). Moderate effects (such as dystonic reaction) occurred in 34 patients at their usual dose (53% of 64) and in 15 at unintentionally excessive doses (4% of 361). Emergency department evaluation of 22% of the children resulted in 5% of the total being admitted to a non-intensive care unit (ICU) bed and 2% of all admitted to an ICU bed. CONCLUSION: Dosing errors and adverse effects involving nonstimulant psychotropic medications are cause for concern in young children. Additional information about safety and optimal dosage of these medications is needed to guide appropriate use.