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93%] to 25/172 [14.53%], P = .746). CONCLUSIONS Using PHIS data, we found a significant increase in median cost per hospitalization and an increase in critical care resource use, including the frequency of invasive mechanical ventilatory assistance, neuromonitoring, operations performed, and transfusion of blood products. Further research is needed to continue to characterize the burden of pediatric critical firearm injury. TYPE OF STUDY Retrospective cohort study. LEVEL OF EVIDENCE Level III. PURPOSE To provide a comprehensive overview of the perinatal and maternal outcomes of fetuses undergoing EXIT surgery for the management of fetal airway obstruction secondary to cervical or oral tumors. METHODS A comprehensive search from inception to September 2018 was conducted on databases including MEDLINE, EMBASE, Cochrane Library and LILACS. All studies that reported an EXIT surgery in singleton were considered eligible. A descriptive analysis was performed. RESULTS Out of the 250 full-text study reports, 120 articles reporting 235 cases of EXIT surgery were included. EXIT surgery was performed at 35.1 weeks of gestation on average. The most frequent diagnosis was teratoma (46.4%, n = 109/235). There were 13 adverse maternal events, and the most frequent one was postpartum hemorrhage (4.7%, n = 11/235). No maternal death was reported. Fetal and neonatal death occurred in 17% (40/235) of the cases. There were 29 adverse fetal events (12.2%), and the most frequent one was the failure of intubation or tracheostomy (3.4%, n = 8/235). CONCLUSION EXIT surgery could be considered for the management of an oral or cervical tumor that's highly suspicious of blocking the fetal airway. This systematic review reports that EXIT surgery poses substantial risks of maternal and fetal adverse events, including neonatal death. LEVEL OF EVIDENCE IV case series with no comparison group. BACKGROUND Minimally invasive surgery has broad applicability to pediatric diseases, including pediatric cancer resection. Neuroblastic tumors of childhood are highly variable in presentation, and so careful selection of appropriate candidates for minimally invasive resection is paramount to achieving safe and durable surgical and oncological outcomes. METHODS The American Pediatric Surgical Association Cancer Committee developed questions seeking to better define the role of minimally invasive surgery for neuroblastic tumors. A search using PubMed, Medline, Embase, Web of Science, ProQuest Dissertations, and Clinical Trials was performed for articles published from 1998 to 2018 in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P) guidelines. RESULTS The evidence identified is all retrospective in nature. Minimally invasive surgical resection of neuroblastic tumors is safe for carefully selected smaller (4-6 cm) image defined risk factor (IDRF)-negative abdominal tumors when oncologic principles are followed. Size is a less-well defined criterion for thoracic neuroblastic tumors. Open approaches for both abdominal and thoracic tumors may be preferable in the presence of IDRF's. CONCLUSION Small tumors without IDRF's are reasonable candidates for minimally invasive resection. Surgical oncologic guidelines should be closely followed. The quality of data supporting this systematic review is poor and highlights the need for refinement in the study of such surgical techniques to improve knowledge and outcomes for patients with neuroblastic tumors. TYPE OF STUDY Systematic Review. LEVEL OF EVIDENCE Level III and Level IV. Anterior cutaneous nerve entrapment syndrome (ACNES) is increasingly diagnosed in children. selleckchem Pediatric surgeons may be approached to perform a cutaneous neurectomy, the preferred operative approach, and may have no experience with the procedure. This report provides a detailed description of the operative technique used by a pediatric surgeon who has performed over 70 neurectomies for ACNES. Dissemination of this simple procedure will hopefully allow children with ACNES to undergo the procedure locally. The assay of Anti T lymphocyte immunoglobulin for final drug product testing is carried out using flow cytometry on Peripheral Blood Mononuclear Cells (PBMCs) as specified in European and British Pharmacopeia. An alternate assay was developed wherein the potency based quality control evaluation of Anti T lymphocyte immunoglobulin is carried out by measuring complement dependent cytotoxicity (CDC) using fluorescent resazurin dye. The reported bioassay was specific, linear (R2 = 0.98), precise (%GCV for repeatability was 3.54% and intermediate precision was 4.27%) and accurate with relative bias of -5.54%. On the basis of results obtained from the repeated performances on single available product, system suitability criteria and sample acceptance criteria were proposed wherein Slope from 4 PL curve fit results for Reference Standard (RS) should be > 0.9, EC50 for RS should lie between 0.264 and 1.131 μg/ml and fold response should be > 2. Confidence interval range and estimated relative potency range obtained from the method validation were narrower than those mentioned for compendial method. Photocatalytic technology implemented in construction materials is a promising solution to contribute to alleviate air quality issues found in big cities. Photocatalysis has been proved able to mineralise most harmful contaminants. However, important problems associated with monitoring the efficiency of these solutions under real conditions still remain, including the lack of affordable analytical tools to measure NOx concentrations with enough accuracy. In this work, two pilot scale demonstration platforms were built at two different locations to assess the photocatalytic NOX removal efficiency of ten selected materials exposed outdoors for AQmesh low-cost sensor PODs were used to measure ground-level to measure NO and NO2 concentrations during nearly one year. The pollutant removal efficiency of the materials was then calculated based on a comparison with simultaneously concentration measurements carried-out on reference, non-active materials. It was found that the NO2 removal efficiency presented large variations across the seasons, with maxima during the warmer months, while NO efficiencies were comparatively steadier.