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The rate of early misdiagnosis in patients with nodular fasciitis of the ear is high. To provide a basis for clinical diagnosis and treatment, we aimed to summarise the clinical manifestations, imaging results, pathological findings, treatment strategies, and postoperative follow-up results for three cases of paediatric nodular fasciitis (two girls, one boy) treated in the Department of Otorhinolaryngology, Head and Neck Surgery, at Beijing Children's Hospital of Capital Medical University from 2018 to 2020. The average age at diagnosis was 24 months. Lesions occurred in the left ear in two cases and right ear in one case. All patients had a history of biopsy before surgery. Rapid growth was observed following biopsy in two patients, and anti-inflammatory treatment was ineffective in all three cases. Fluorescence in situ hybridisation analysis of ubiquitin-specific peptidase 6 (USP6) was performed in two of the three cases, with positive results. The lesions exhibited hypo-intensity or iso-intensity on T1-weighted magnetic resonance imaging (MRI) and heterogeneous hyper-intensity on T2-weighted MRI. "Fascial tail" signs were observed on imaging in all cases. Surgical resection was performed in all cases. Intact ear appearance was observed at follow-up, and there were no cases of recurrence.Conclusion: Combining clinical features with imaging findings may improve the accuracy of preoperative diagnosis in patients with nodular fasciitis. In addition to pathological findings, genetic testing for USP6 may aid in diagnosis. The final diagnosis should be based on comprehensive assessment. Complete surgical resection can prevent recurrence. What is Known: • Paediatric NF around the ear is rare and is easily misdiagnosed as other inflammatory masses that have a higher incidence in children. • Most previous reports of NF were case reports. What is New: • Combining clinical and imaging findings with genetic testing for USP6 rearrangement may improve the accuracy of preoperative diagnosis in patients with NF. Nonetheless, the final diagnosis should be based on comprehensive assessment. • The present paper is significant in that it represents the only report of three cases of ear NF in children with a complete medical history and prognosis.

Objective This report summarizes the clinical features and 1‐month follow‐up observations for pediatric patients who were hospitalized with coronavirus disease 2019 (COVID‐19) in Wuhan Women and Children's Hospital. Methods The 1‐month follow‐up data included clinical manifestations and results from serum severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) IgG and IgM tests, reverse‐transcription polymerase chain reaction (RT‐PCR) for SARS‐CoV‐2, lung computed tomography (CT) scans, and laboratory tests. Results Between January 20 and March 15, 2020, 127 patients aged 0–15 years were hospitalized for COVID‐19 treatment, including 3 severe cases and 124 mild or moderate cases. The main therapies included inhalation of aerosolized interferon‐α (122/127) and additional antiviral drugs (28/127). Among the 81 patients who had pneumonia at admission, 35 with right lobe pneumonia had the longest hospital stay (mean 14.5 ± 7 days); 17 with left lobe pneumonia had the highest creatine kinase (154 ± 106 U/L) and creatine kinase myocardial band (CK‐MB, 43 ± 48 U/L) levels; and 29 with bilateral pneumonia had the highest white blood cell counts (8.3 ± 4 × 109/L). Among the 46 patients who were successfully followed up 1 month after discharge, two notable findings were right lobe pneumonia in 22% (95% confidence interval [CI]: 11%–37%) of patients and persistently elevated serum creatine kinase and CK‐MB levels. The median duration of elevated CK‐MB was 45 days. The mean concentrations of serum SARS‐CoV‐2 IgG and IgM in 41 patients were 8.0 ± 7.5 and 98 ± 40 ng/ml, respectively. At follow‐up, four patients retested positive for SARS‐CoV‐2. Conclusions The involvement of different lung lobes in patients with COVID‐19 was associated with variations in the persistence of pneumonia and elevation of CK‐MB levels and body temperature.

Background Coronavirus disease 2019 (COVID-19) share similar symptoms with influenza A (IA), but it is more worthwhile to understand the disparities of the two infections regarding their clinical characteristics on admission. Methods A total of 71 age-matched pediatric IA and COVID-19 patient pairs were formed and their clinical data on admission were compared. Results Fever, cough, nasal congestion and nausea/vomiting were the most common symptoms on admission for both infections but occurred less often in COVID-19. The IA patients were more likely to have lower-than-normal levels of lymphocyte count and percentage and to have higher-than-normal levels of activated partial thromboplastin time, prothrombin time, serum C-reactive protein, and serum procalcitonin, while the COVID-19 patients had higher odds of having lower-than-normal levels of neutrophil count and percentage. Conclusions This study suggests that influenza A is more symptomatic than COVID-19 for children and might be an overall more severe infection at the time of admission.

We collected neonatal neurological, clinical, and imaging data to study the neurological manifestations and imaging characteristics of neonates with coronavirus disease 2019 (COVID-19). This case–control study included newborns diagnosed with COVID-19 in Wuhan, China from January 2020 to July 2020. All included newborns had complete neurological evaluations and head magnetic resonance imaging. We normalized the extracted T2-weighted imaging data to a standard neonate template space, and segmented them into gray matter, white matter, and cerebrospinal fluid. The comparison of gray matter volume was conducted between the two groups. A total of five neonates with COVID-19 were included in this study. The median reflex scores were 2 points lower in the infected group than in the control group (P = 0.0094), and the median orientation and behavior scores were 2.5 points lower in the infected group than in the control group (P = 0.0008). There were also significant differences between the two groups in the total scale score (P = 0.0426). The caudate nucleus, parahippocampal gyrus, and thalamus had the strongest correlations with the Hammersmith neonatal neurologic examination (HNNE) score, and the absolute correlation coefficients between the gray matter volumes and each part of the HNNE score were all almost greater than 0.5. We first compared the neurological performance of neonates with and without COVID-19 by quantitative neuroimaging and neurological examination methods. Considering the limited numbers of patients, more studies focusing on the structural or functional aspects of the virus in the central nervous system in different age groups will be carried out in the future.

Background Children and older adults with coronavirus disease 2019 (COVID-19) display a distinct spectrum of disease severity yet the risk factors aren’t well understood. We sought to examine the expression pattern of angiotensin-converting enzyme 2 (ACE2), the cell-entry receptor for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and the role of lung progenitor cells in children and older patients. Methods We retrospectively analyzed clinical features in a cohort of 299 patients with COVID-19. The expression and distribution of ACE2 and lung progenitor cells were systematically examined using a combination of public single-cell RNA-seq data sets, lung biopsies, and ex vivo infection of lung tissues with SARS-CoV-2 pseudovirus in children and older adults. We also followed up patients who had recovered from COVID-19. Results Compared with children, older patients (>50 years.) were more likely to develop into serious pneumonia with reduced lymphocytes and aberrant inflammatory response (P = .001). The expression level of ACE2 and lung progenitor cell markers were generally decreased in older patients. Notably, ACE2 positive cells were mainly distributed in the alveolar region, including SFTPC positive cells, but rarely in airway regions in the older adults (P < .01). The follow-up of discharged patients revealed a prolonged recovery from pneumonia in the older (P < .025). Conclusions Compared to children, ACE2 positive cells are generally decreased in older adults and mainly presented in the lower pulmonary tract. The lung progenitor cells are also decreased. These risk factors may impact disease severity and recovery from pneumonia caused by SARS-Cov-2 infection in older patients.

BACKGROUND: The infection rate of Coronavirus Disease 2019 (COVID-19) in children was less than that in adults. However, the underlining reason is not well known. METHODS: Children with COVID-19 were recruited from two Children’s Hospitals in Wuhan and Shanghai in this case-control study. The associations of initial symptoms with age, vaccinations of Bacillus Calmette Guerin (BCG), and influenza and pathogens were determined by Chi-square t-test. RESULTS: We evaluated 248 confirmed cases, and 56 suspected cases with COVID-19. The median age was 6.82 years old, and 118 cases (38.82%) were girls. Furthermore, 30.26% of all patients were asymptomatic cases. The percentage of asymptomatic cases vaccinated with BCG was not significantly higher than that without BCG vaccination [86/280 (30.71%) vs. 6/13 (46.15%), P=0.203], and initial symptoms were not related with immunized influenza vaccine (P=0.267). Compared to parameters in pediatric patients with normal body temperatures, patients with fever had higher C reactive protein (CRP) (P

Background Chest computed tomography (CT) findings in children with coronavirus disease 2019 (COVID-19) have been rarely reported in a comprehensive and systematic manner. Objective We investigated the chest CT findings in children with COVID-19, and explored the differences in these findings between symptomatic patients and asymptomatic patients. Materials and methods Demographic findings, clinical characteristics, duration of hospital stay and viral shedding, and chest CT findings in 201 children infected with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) were retrospectively analyzed from January 15 to March 20, 2020, and divided into two groups: symptomatic group (n=136) and asymptomatic group (n=65). Chi-square test and Student’s t-test were used for statistical analysis. Results Symptomatic patients were mainly young children ≤3 years old (54/63, 86%),while asymptomatic patients were mainly children ≥ 6 years old (51/111, 46%). Fever (41%) and cough (41%) were the most common symptoms. Overall, 119/201 (59%) patients had chest CT findings, and symptomatic patients accounted for 82% (98/119). The CT findings presented as bilateral multiple lesions (60/119, 50.4%), ground-glass opacities (83/119, 70%) and/or consolidation (44/119, 37%) with a peripheral and subpleural distribution (62/83, 75%). Fifteen of 87 (7.2%) patients with lung lesions showed complete lesion absorption, and 42/87 (48%) improved within a mean of 9.1 (standard deviation [SD] 3.2) days. The mean duration of viral shedding was 8.7 (SD 4.9) days. Pleural effusion was very rare. No lymphadenopathy was found in either group. Conclusion Symptoms associated with pulmonary involvement were most common in infants and young children. The lung lesions of most patients were absorbed and improved in about 9 days.

Importance Cochlear implantation (CI) is an effective therapy for patients with severe to profound sensorineural hearing loss. It remains controversial whether children younger than 12 months of age should undergo CI. Objective To evaluate the safety and effectiveness of CI in children younger than 12 months of age. Methods We performed a retrospective study of clinical data of pediatric patients younger than 12 months of age who underwent CI and were followed up for 1 to 2 years. Patients’ developmental levels were evaluated by the Gesell score before CI. Intraoperative and postoperative complications were recorded to evaluate the safety of CI. Auditory and speech abilities were scored by the LittlEARS® auditory questionnaire (LEAQ), categories of auditory performance (CAP), speech intelligibility rating (SIR), infant‐toddler meaningful auditory integration scale (IT‐MAIS), and meaningful use of speech scale (MUSS) at 1, 2, 3, 6, 9, and 12 months after CI. The associations between clinical characteristics before CI and postoperative scores at 1 year after CI were analyzed by the linear mixed‐effects model. Results Eighty‐nine children (47 boys and 42 girls) were included in this study (mean age at CI, 9.2 ± 1.6 months). Sixteen patients were diagnosed with cochlear malformation and 16 underwent bilateral CI. No severe complications occurred in any patients. The mean developmental quotient of the Gesell score was 78.00 ± 10.03. The median LEAQ scores were 0, 5, 10, 16, 22, 26 and 30 before and at 1, 2, 3, 6, 9, and 12 months after CI, respectively. These findings implied that the LEAQ score greatly improved in the first year after CI. The overall CAP, SIR, IT‐MAIS, and MUSS scores also increased with increasing duration after CI. No significant associations were detected between clinical characteristics (age, sex, implant number, pre‐CI Gesell score, and inner ear malformation) and LEAQ outcomes at 12 months after CI. Interpretation With increasing duration after CI, auditory and speech behavior dramatically improve in young children. Our findings indicate that CI is feasible for children younger than 12 months of age.

ObjectiveThis study aimed to describe the epidemiological and clinical features and potential factors related to the time to return negative reverse transcriptase (RT)-PCR in discharged paediatric patients with COVID-19.DesignRetrospective cohort study.SettingUnscheduled admissions to 12 tertiary hospitals in China.ParticipantsTwo hundred and thirty-three clinical charts of paediatric patients with confirmed diagnosis of COVID-19 admitted from 1 January 2020 to 17 April 2020.Primary and secondary outcome measuresPrimary outcome measures: factors associated with the time to return negative RT-PCR from COVID-19 in paediatric patients. Secondary outcome measures: epidemiological and clinical features and laboratory results in paediatric patients.ResultsThe median age of patients in our cohort was 7.50 (IQR: 2.92–12.17) years, and 133 (57.1%) patients were male. 42 (18.0%) patients were evaluated as asymptomatic, while 162 (69.5%) and 25 (10.7%) patients were classified as mild or moderate, respectively. In Cox regression analysis, longer time to negative RT-PCR was associated with the presence of confirmed infection in family members (HR (95% CI): 0.56 (0.41 to 0.79)). Paediatric patients with emesis symptom had a longer time to return negative (HR (95% CI): 0.33 (0.14 to 0.78)). During hospitalisation, the use of traditional Chinese medicine (TCM) and antiviral drugs at the same time is less conducive to return negative than antiviral drugs alone (HR (95% CI): 0.85 (0.64 to 1.13)).ConclusionsThe mode of transmission might be a critical factor determining the disease severity of COVID-19. Patients with emesis symptom, complications or confirmed infection in family members may have longer healing time than others. However, there were no significant favourable effects from TCM when the patients have received antiviral treatment.

We note that intussusception was likely associated with severe acute respiratory syndrome coronavirus-2 infection in 2 infants in Wuhan and London. The intussusception was reduced by enemas in Wuhan; the outcome was fatal. The intussusception was not reduced by enemas in London and required surgery; the outcome was favorable.

SARS-CoV-2 Infection in Children In this report, investigators in Wuhan, China, describe the spectrum of Covid-19 illness in children under the age of 16 years. Of 1391 children assessed and tested...

The rapid spread of coronavirus 2019 disease (COVID-19) has manifested a global public health crisis, and chest CT has been proven to be a powerful tool for screening, triage, evaluation and prognosis in COVID-19 patients. However, CT is not only costly but also associated with an increased incidence of cancer, in particular for children. This study will question whether clinical symptoms and laboratory results can predict the CT outcomes for the pediatric patients with positive RT-PCR testing results in order to determine the necessity of CT for such a vulnerable group. Clinical data were collected from 244 consecutive pediatric patients (16 years of age and under) treated at Wuhan Children's Hospital with positive RT-PCR testing, and the chest CT were performed within 3 days of clinical data collection, from January 21 to March 8, 2020. This study was approved by the local ethics committee of Wuhan Children's Hospital. Advanced decision tree based machine learning models were developed for the prediction of CT outcomes. Results have shown that age, lymphocyte, neutrophils, ferritin and C-reactive protein are the most related clinical indicators for predicting CT outcomes for pediatric patients with positive RT-PCR testing. Our decision support system has managed to achieve an AUC of 0.84 with 0.82 accuracy and 0.84 sensitivity for predicting CT outcomes. Our model can effectively predict CT outcomes, and our findings have indicated that the use of CT should be reconsidered for pediatric patients, as it may not be indispensable.

Purpose: To discuss the different characteristics of clinical, laboratory and chest computed tomography (CT) between coronavirus disease 2019 (COVID-19) and community-acquired pneumonia (CAP) in pediatric patients. Methods: We retrospectively retrieved data of inpatients with COVID-19 from January 21st to March 14th, 2020, and CAP from November 1st, 2019 to December 31st, 2019 in Wuhan Children's Hospital. We divided CAP into mycoplasma pneumonia and other viral pneumonia. We analyzed clinical and radiological features from those patients, and compared the differences among COVID-19, mycoplasma pneumonia and other viral pneumonia. Results: Eighty COVID-19 inpatients from January 21st to March 14th, 2020, as well as 95 inpatients with mycoplasma pneumonia and 50 inpatients with other viral pneumonia from November 1st, 2019 to December 31st, 2019 were included in our study. All patients were confirmed with RT-PCR. The clinical symptoms were similar in the three groups. Except fever and cough, diarrhea (6/80, 7.5%), tachypnea (2/80, 2.5%), and fatigue (6/80, 7.5%) were less common in COVID-19 patients. Compared to mycoplasma pneumonia and other viral pneumonia inpatients, COVID-19 patients present remarkably increased alanine aminotransferase (69/80, 86.3%). The typical CT feature of COVID-19 is ground-glass opacity, and it was more common in COVID-19 patients (32/80, 40%). Conclusion: The COVID-19 shared similar onsets with CAP. Even though the ground-glass opacity and elevated level of ALT were frequent in COVID-19, the better way for treatment and management of this disease is quickly and accurately identifying the pathogen.

This study aimed to evaluate the relationship between vestibular and auditory functions in pediatric patients with sudden sensorineural hearing loss (SSHL). A total of 30 pediatric patients experiencing unilateral SSHL between 5.9 and 13.0 years of age were enrolled in this study. Pure tone audiometry was evaluated prior to treatment initiation and again after one month of treatment. Prior to treatment initiation, vertigo symptoms were noted; then several vestibular function tests were conducted including caloric testing, ocular vestibular evoked myogenic potentials (o-VEMPs) and cervical vestibular evoked myogenic potentials (c-VEMPs). Associations between pre and post-treatment vestibular function and hearing threshold levels were analyzed. Initial hearing thresholds of children with vertigo were higher than thresholds of children without vertigo (92 dB vs 79 dB, P = 0.033), while initial hearing thresholds of children with abnormal caloric test findings were higher than thresholds of children with normal caloric test findings (93 dB vs 67 dB, P = 0.014). Cutoff values of hearing thresholds for those with vertigo symptoms and abnormal vestibular test results were 86.000- and 89.583-dB HL, respectively. Regarding prognosis, children with vertigo exhibited lower recovery rates than children without vertigo (33% vs 75%, P = 0.025); recovery rates of children with abnormal caloric test results were lower than the overall recovery rate (25% vs 73%, respectively, P = 0.039). Assessments of vertigo symptoms and vestibular function are useful tools in predicting pediatric SSHL patient disease severity and prognosis.

Background Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is an emerging disease. The consequences of SARS-CoV-2 exposure in infants remain unknown. Therefore, this study aims to investigate whether neonates born to mothers with COVID-19 have adverse brain development. Methods This multicenter observational study was conducted at two designated maternal and children’s hospitals in Hubei Province, mainland China from February 1, 2020 to May 15, 2020. Neonates born to mothers with COVID-19 were enrolled. Brain magnetic resonance imaging (MRI) findings, and volumes of grey and white matters, and physical growth parameters were observed at 44 weeks corrected gestational age. Results Of 72 neonates born to mothers with COVID-19, 8 (11%) were diagnosed with COVID-19, 8 (11%) were critically ill, and no deaths were reported. Among the eight neonates that underwent brain MRI at corrected gestational age of 44 weeks, five neonates were diagnosed with COVID-19. Among these five neonates, three presented abnormal MRI findings including abnormal signal in white matter and delayed myelination in newborn 2, delayed myelination and brain dysplasia in newborn 3, and abnormal signal in the bilateral periventricular in newborn 5. The other three neonates without COVID-19 presented no significantly changes of brain MRI findings and the volumes of grey matter and white matter compared to those of healthy newborns at the equivalent age (P > 0.05). Physical growth parameters for weight, length, and head circumference at gestational age of 44 weeks were all above the 3rd percentile for all neonates. Conclusions Some of the neonates born to mothers with COVID-19 had abnormal brain MRI findings but these neonates did not appear to have poor physical growth. These findings may provide the information on the follow-up schedule on the neonates exposed to SARS-CoV-2, but further study is required to evaluate the association between the abnormal MRI findings and the exposure to SARS-CoV-2. Supplementary Information The online version contains supplementary material available at 10.1007/s12519-021-00426-z.

Objective: This work aims to investigate the clinical features and the temporal changes of RT-PCR and CT in COVID-19 pediatric patients.Methods: The clinical, RT-PCR, and CT features of 114 COVID-19 pediatric in-patients were retrospectively reviewed from January 21 to March 14, 2020. All patients had chest CT on admission and were identified as positive by pharyngeal swab nucleic acid test. The clinical features were analyzed, as well as the features and the temporal changes of RT-PCR and CT.Results: Fever (62, 54%) and cough (61, 54%) were the most common symptoms. There were 34 (30%) cases of concurrent infections. The most common imaging features on CT were ground-glass opacities (46, 40%) and consolidation (46, 40%). The bilateral lower lobes were the most common pattern of involvement, with 63 cases (55%) involving one to two lobes, and in 32 (28%) cases CT was normal. Throughout the whole duration of COVID-19 in children, the diagnostic positive rate of RT-PCR has been far higher than that of CT (all P < 0.05). For RT-PCR follow-up, reliable negative results were obtained only 7 days after the onset of symptoms. Though lung involvement on chest CT progressed rapidly in several cases, lung involvement in children with COVID-19 is mild, with a median value of 2 on CT score.Conclusions: RT-PCR is more reliable than CT in the initial diagnosis of pediatric patients with COVID-19. On follow-up, reliable negative RT-PCR results are available 7 days after the initial symptoms. The use of CT should be considered for follow-up purposes only if necessary.

Background Acute kidney injury (AKI) is a common complication of critically ill adult patients with COVID-19. However, currently, no studies investigate kidney impairment in children with COVID-19. We investigated incidence and treatment of AKI in pediatric patients with COVID-19 in Wuhan Children’s Hospital during the early stages of the COVID-19 pandemic and discuss possible mechanisms of AKI related to SARS-CoV-2 infection. Methods By extracting data from electronic medical records, we conducted a retrospective observational study of kidney involvement in confirmed pediatric COVID-19 cases in Wuhan Children’s Hospital during the coronavirus outbreak, from January 24 to March 20, 2020. Clinical presentations, clinical courses, laboratory findings, and medical interventions are described below. Results Among 238 confirmed COVID-19 cases, only three were critically ill and needed intensive care unit (ICU) admission. All three developed AKI, but AKI was not detected in any non-critically ill patients outside the ICU. Two of the three patients with AKI had prodromal gastrointestinal symptoms. Significantly elevated interleukin-6 (IL-6) levels and complement activation were observed in these patients with AKI. The three patients with AKI were treated with plasma exchange (PE) and continuous kidney replacement therapy (CKRT), resulting in one complete recovery, one partial recovery, and one mortality due to critical illness. Conclusions Critically ill children with COVID-19 may develop AKI, especially following prodromal gastrointestinal symptoms. An inflammatory storm and complement-mediated injury may underlie AKI development in children with COVID-19. Our study supports implantation of PE and CKRT in management of critically ill patients with AKI.

We report the clinical history, laboratory findings, and imaging features of coronavirus disease 2019 (COVID-19) in a neonate whose mother was also a patient. The newborn was the youngest patient with COVID-19 in the world at the time he was diagnosed. This case has brought more attention and understanding to the epidemic and mode of transmission of the disease.

Key Points Question What are the immunologic features of pediatric patients with pneumonia caused by coronavirus disease 2019 (COVID-19)? Findings In this single-center case series involving 157 pediatric patients with COVID-19, systemic inflammation rarely occurred. Patients with moderate disease had higher interleukin 10 levels and lower neutrophil levels than patients with mild disease. Meaning The results of this study suggest that dysregulation of immune response may be involved in the pathologic process of COVID-19; gaining a deeper understanding of the role of neutrophils, CD4+ T cells, and B cells in the pathogenesis of severe acute respiratory syndrome coronavirus 2 infection could be important for the clinical management of COVID-19., This case series delineates and compares the immunologic features of mild and moderate coronavirus disease 2019 (COVID-19) in pediatric patients., Importance The epidemiologic and clinical characteristics of pediatric patients with coronavirus disease 2019 (COVID-19) have been reported, but information on immune features associated with disease severity is scarce. Objective To delineate and compare the immunologic features of mild and moderate COVID-19 in pediatric patients. Design, Setting, and Participants This single-center case series included 157 pediatric patients admitted to Wuhan Children’s Hospital with laboratory-confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Data were collected from January 25 to April 18, 2020. Exposures Documented SARS-CoV-2 infection. Main Outcomes and Measures Clinical and immunologic characteristics were collected and analyzed. Outcomes were observed until April 18, 2020. Results Of the 157 pediatric patients with COVID-19, 60 (38.2%) had mild clinical type with pneumonia, 88 (56.1%) had moderate cases, 6 (3.8%) had severe cases, and 3 (1.9%) were critically ill. The 148 children with mild or moderate disease had a median (interquartile range [IQR]) age of 84 (18-123) months, and 88 (59.5%) were girls. The most common laboratory abnormalities were increased levels of alanine aminotransferase (ALT) (median [IQR], 16.0 [12.0-26.0] U/L), aspartate aminotransferase (AST) (median [IQR], 30.0 [23.0-41.8] U/L), creatine kinase MB (CK-MB) activity (median [IQR], 24.0 [18.0-34.0] U/L), and lactate dehydrogenase (LDH) (median [IQR], 243.0 [203.0-297.0] U/L), which are associated with liver and myocardial injury. Compared with mild cases, levels of inflammatory cytokines including interleukin 6, tumor necrosis factor α, and interferon γ were unchanged, whereas the level of immune suppressive interleukin 10 was markedly increased in moderate cases compared with mild cases (median [IQR], 3.96 [3.34-5.29] pg/mL vs 3.58 [3.10-4.36] pg/mL; P = .048). There was no statistically significant difference in absolute number of lymphocytes (including T cells and B cells) between mild and moderate cases, but moderate cases were associated with a decrease in neutrophil levels compared with mild cases (median [IQR], 2310/μL [1680/μL-3510/μL] vs 3120/μL [2040/μL-4170/μL]; P = .01). Immunoglobin G and the neutrophil to lymphocyte ratio were negatively associated with biochemical indices related to liver and myocardial injury (immunoglobulin G, ALT: r, −0.3579; AST: r, −0.5280; CK-MB activity: r, −0.4786; LDH: r, −0.4984; and neutrophil to lymphocyte ratio, ALT: r, −0.1893; AST: r, −0.3912; CK-MB activity: r, −0.3428; LDH: r, −0.3234), while counts of lymphocytes, CD4+ T cells, and interleukin 10 showed positive associations (lymphocytes, ALT: r, 0.2055; AST: r, 0.3615; CK-MB activity: r, 0.338; LDH: r, 0.3309; CD4+ T cells, AST: r, 0.4701; CK-MB activity: r, 0.4151; LDH: r, 0.4418; interleukin 10, ALT: r, 0.2595; AST: r, 0.3386; CK-MB activity: r, 0.3948; LDH: r, 0.3794). Conclusions and Relevance In this case series, systemic inflammation rarely occurred in pediatric patients with COVID-19, in contrast with the lymphopenia and aggravated inflammatory responses frequently observed in adults with COVID-19. Gaining a deeper understanding of the role of neutrophils, CD4+ T cells, and B cells in the pathogenesis of SARS-CoV-2 infection could be important for the clinical management of COVID-19.

The outbreak of COVID-19 epidemic has caused worldwide health concerns since Nov., 2019. A previous study described the demographic, epidemiologic, and clinical features for infected infants. However, compared with adult cases, little attention has been paid to the infected pediatric cases. Severity detection is challenging for children since most of children patients have mild symptoms no matter they are moderately or critically ill therein.

Purpose To discuss the different characteristics of clinical, laboratory, and chest computed tomography (CT) in pediatric patients from adults with 2019 novel coronavirus (COVID‐19) infection. Methods The clinical, laboratory, and chest CT features of 20 pediatric inpatients with COVID‐19 infection confirmed by pharyngeal swab COVID‐19 nucleic acid test were retrospectively analyzed during 23 January and 8 February 2020. The clinical and laboratory information was obtained from inpatient records. All the patients were undergone chest CT in our hospital. Results Thirteen pediatric patients (13/20, 65%) had an identified history of close contact with COVID‐19 diagnosed family members. Fever (12/20, 60%) and cough (13/20, 65%) were the most common symptoms. For laboratory findings, procalcitonin elevation (16/20, 80%) should be pay attention to, which is not common in adults. Coinfection (8/20, 40%) is common in pediatric patients. A total of 6 patients presented with unilateral pulmonary lesions (6/20, 30%), 10 with bilateral pulmonary lesions (10/20, 50%), and 4 cases showed no abnormality on chest CT (4/20, 20%). Consolidation with surrounding halo sign was observed in 10 patients (10/20, 50%), ground‐glass opacities were observed in 12 patients (12/20, 60%), fine mesh shadow was observed in 4 patients (4/20, 20%), and tiny nodules were observed in 3 patients (3/20, 15%). Conclusion Procalcitonin elevation and consolidation with surrounding halo signs were common in pediatric patients which were different from adults. It is suggested that underlying coinfection may be more common in pediatrics, and the consolidation with surrounding halo sign which is considered as a typical sign in pediatric patients.

Background: COVID-19 has spread to virtually all countries, and is still increasing rapidly However, pediatric cases are uncommon and their epidemiological and

BackgroundCompared to adults, there are relatively few studies on COVID-19 infection in children, and even less focusing on the unique features of COVID-19 in children in terms of laboratory findings, locations of computerized tomography (CT) lesions, and the role of CT in evaluating clinical recovery. The objective of this study is to report the results from patients at Wuhan Children’s Hospital, located within the initial center of the outbreak.MethodsClinical, imaging, and laboratory data of 76 children were collected retrospectively and analyzed with the Fisher exact test and Cox regression statistical methods.ResultsAmong 50 children with a positive COVID-19 real-time reverse-transcriptase polymerase chain reaction (PCR), five had negative PCR results initially but showed positive results in subsequent tests. Eight (16%) patients had lymphopenia, seven (14%) with thrombocytopenia, four (8%) with lymphocytosis, two (4%) with thrombocytosis, ten (20%) with elevated C-reactive protein, four (8%) with hemoglobin above, and six (12%) with below standard reference values. Seven (14%) of the 50 had no radiologic evidence of disease on chest CT. For the 43 patients who had abnormal CT findings, in addition to previously reported patterns of ground-glass opacity (67%), local patchy shadowing (37%), local bilateral patchy shadowing (21%), and lesion location of lower lobes (65%), other CT features include that an overwhelming number of pediatric patients had lesions in the subpleural area (95%) and 22 of the 28 lower lobe lesions were in the posterior segment (78%). Lesions in most of the 15 patients (67%) who received chest CT at discharge were not completely absorbed, and 26% of these pediatric patients had CT lesions that were either unchanged or worse.ConclusionsThere were a few differences between COVID-19 children and COVID-19 adults in terms of laboratory findings and CT characteristics. CT is a powerful tool to detect and characterize COVID-19 pneumonia but has little utility in evaluating clinical recovery for children. These results oppose current COVID-19 hospital discharge criteria in China, as one requirement is that pulmonary imaging must show significant lesion absorption prior to discharge. These differences between pediatric and adult cases of COVID-19 may necessitate pediatric-specific discharge criteria.

Background: The aim of the present study was to explore the association of vaccinations and clinical manifestations in pediatric patients with Coronavirus Disease 2019 (COVID–19). Methods: Pediatric patients with COVID–19 were recruited from Wuhan Children’s Hospital and Shanghai Children’s Medical Center, including 248 laboratory–confirmed and 56 suspected cases from January 21 to March 12, 2020. Suspected and confirmed cases were diagnosed basing on the Novel Coronavirus 2019 Diagnosis and Treatment Protocol, seventh version. The associations of initial symptoms with age, vaccinations, pathogens, and cytokines were determined via Chi–square tests, Spearman correlations, and logistic regressions. Findings: We assessed 248 (81.58%) laboratory–confirmed cases and 56 (18.42%) suspected cases of COVID–19. The median age of all patients was 6.82 years (interquartile range: 2.08–10.20), and 186 cases (61.18%) were boys; furthermore, 30.26% of all patients were asymptomatic cases. The percentage of asymptomatic cases vaccinated with Bacillus Calmette Guerin (BCG) was not significantly higher than that without BCG vaccination (86/280 [30.71%] vs 6/13 [46.15%], P = 0.203), initial symptoms was not corrected with immunized influenza vaccine ( P = 0.267). Significant correlations were found between age and immunoglobulin (Ig) A (P < 0.001), IgE (P = 0.021), IgG (P < 0.001), complement C4 (P = 0.031), interleukin (IL)–10 (P = 0.003), and tumor necrosis factor (TNF)–α (P = 0.044). Compared to parameters in pediatric patients with normal body temperatures, patients with fever had higher high sensitivity C reactive protein (hs-CRP) (P < 0.001), IL–4 (P = 0.005), IL–10 (P = 0.038), TNF–α (P = 0.004), and TNF–γ (P = 0.036). Interpretation: Pediatric COVID–19 patients with BCG vaccinations exhibit similar clinical manifestations compared to those without BCG vaccinations, and the severity of symptoms in pediatric patients may be related to the maturity of immune function. Funding Statement: This study was partly supported by Top Medical Young Talents of Hubei Province, the National Science Foundation of China [81872637], Shanghai Municipal Commission of Health and Family Planning[201840324], Science and Technology Development Program of Pudong Shanghai New District [PKJ2017–Y01], Shanghai Professional and Technical Services Platform [18DZ2294100], and Shanghai Science and Technology Commission of Shanghai Municipality (17411965300, 17XD1402800,19441904400]. Declaration of Interests: The authors declare no competing interests. Ethics Approval Statement: This study was approved by the Institutional Review Board of Wuhan Children’s Hospital (IEC–2020R003–E01) and Shanghai Children’s Medical Center (SCMCIRB– K2020019–1).

Background: Coronavirus Disease 2019 (COVID-19) has become a global pandemic. Neonates have the risk of contracting COVID-19 through intrauterine vertical transmission, which is one of the most serious consequences of infectious diseases. Methods: We enrolled neonates and their mother, who was suffered from COVID-19 during the last trimester. We investigated the presence of SARS-CoV-2, as well as IgG and IgM against the virus in a longitudinal analysis from the labor period to one month after birth. Findings: From February 2 to March 31, 2020, of 20 neonates, 10 neonates and eight neonates had pneumonia and increased lung markings, respectively. At birth, three neonates had positive RT-PCR results of throat swabs, 16 neonates had increased IgG and/or IgM. The mean concentrations of IgG and IgM were mean [SD] 77.7 [28.4] and 11.1 [12.8] ng/mL, respectively. Among nine neonates whose antibody was measured more than once after delivery, one displayed rapidly increased IgM from 1.0 ng/mL at birth to 21.8 ng/mL at 7 days after birth, and 15 showed steadily decreasing IgM. For IgG levels, seven neonates exhibited a slowly decreasing trend after birth and two exhibited a steadily high level. At the birth time, eight neonates were at the acute phase of infection, including five with high or increased IgM and three with positive RT-PCR results. The remaining 12 neonates who had low IgM levels and negative RT-PCR were at the recovery phase. Conclusions: The study identified the presence of intrauterine vertical transmission of SARS-CoV-2, which led to various phases of infection in the neonates at birth time. Funding Statement: This study was supported by the General Program of Health and Family Planning Commission of Hubei Province of China (Grant No. WJ2017M194), the General Program of Natural Science Foundation of Hubei Province of China (Grant No. 2017CFB709), and Natural Science Foundation of Ningbo (2017A610273). Declaration of Interests: The authors declare no competing interests. Ethics Approval Statement: This observational study was reviewed and approved by the Ethics Committee of Wuhan Women and Children's Hospital and followed the Declaration of Helsinki. Written consent was acquired from the guardians of the patients.

This study investigated injury patterns and the use of computed tomography (CT) among Chinese children with mild traumatic brain injury (MTBI). We enrolled children with MTBI who were treated within 24 hours of head trauma in the emergency department of Wuhan Medical Care Center for Women and Children in Wuhan, China. Characteristics of MTBIs were analyzed by age and gender. Results of cranial CT scan and clinically-important brain injury (ciTBI) for children were obtained. The definition of ciTBI was: death from TBI, intubation for more than 24 h for TBI, neurosurgery, or hospital admission of 2 nights or more. Of 455 eligible patients with MTBI, ciTBI occurred in two, and no one underwent neurosurgical intervention. CT scans were performed for 441 TBI patients (96.9%), and abnormal findings were reported for 147 patients (33.3%, 95% CI 29.0-37.8). Falls were the leading cause of MTBI (61.5%), followed by blows (18.9%) and traffic collisions (14.1%) for children in the 0-2 group and 10-14 group. For children aged between 3 and 9, the top three causes of TBI were falls, traffic collisions and blows. Leisure activity was the most reported activity when injuries occurred for all age groups. Sleeping/resting and walking ranked in the second and third place for children between 0 and 2 years of age, and walking and riding for the other two groups. The places where the majority injuries occurred were the home for the 0-2 and 3-9 years of age groups, and school for the 10-14 years of age group. There was no statistical difference between boys and girls with regard to the activity that caused the MTBI. This study highlights the important roles that parents and school administrators in the development of preventive measures to reduce the risk of traumatic brain injury in children. Also, identifying children who had a head trauma at very low risk of clinically important TBI for whom CT might be unnecessary is a priority area of research in China.

Objective: To investigate the imaging manifestation of primary malignant renal tumor with CT. Methods: Forty-three cases of surgically and pathologically confirmed primary malignant renal tumor were retrospectively reviewed. Un-contrast and contrast CT was performed in all 43 patients in which 15 patients received MRI examination. Results: The residual normal renal tissue of 29 cases out of 34 cases of Wilms' tumor was enhanced and manifested "crescent sign" or "ring sign". Four cases of malignant rabdoid tumor (RTK) manifested as large mass with notable necrosis and subcapsular fluid collection; Two cases of clear cell sarcoma (CCS) showed metastases to the skull which could indicate the diagnosis; Renal cell carcinoma (RCC) (n=3) showed calcification in 1 case. Conclusion: CT can precisely delineate the location, size, extent of involvement, imaging characteristics and metastases of renal tumor, which can provide information necessary to the clinical staging, therapy planning and prognosis of the tumors.

The treatment of drug-resistant epilepsy remains a major challenge, affecting approximately 30% of epilepsy patients. More recently, immunity and inflammation are considered to be key elements of epilepsy. Targeting brain inflammation may represent a novel therapeutic strategy for epilepsy and refractory epilepsy. In this study, we investigated the association of a tag SNP of the CCL2 gene, rs1024611 (originally designated as -2578G>A or -2518G>A) with drug-resistant epilepsy in Chinese children with epilepsy. We enrolled 484 epilepsy patients, including 98 drug-resistant patients and 386 drug-responsive patients. The rs1024611 was genotyped by PCR-RPLP. The rs1024611 AA genotype was associated with a greater susceptibility to drug-resistant epilepsy (p=0.008; OR=2.51, 95% CI: 1.33-4.72), adjusted for age, sex, and seizure type, and the association remained significant after Bonferroni correction for multiple testing (p

This study investigated characteristics and trends of hospitalized abuse-related traumatic brain injuries (TBI) treated at a large pediatric medical center in Wuhan, China during the past 10 years. De-identified hospital discharge data for patients 0–4 years old hospitalized at the Wuhan Medical Care Center for Women and Children were analyzed, and ICD-10 codes were used to identify cases of TBI. Medical notes provided by doctors in the medical record were used to identify TBI cases in which suspected child abuse was the cause. From 2002 to 2011, 3,061 pediatric TBI patients were hospitalized and 4.6% (140) of these cases were suspected child abuse-related. The majority of suspected child abuse cases involved children younger than 1 year of age (68.6%) and usually affected males (63.6%). Children with non-Abusive Head Trauma (AHT) were more likely to have full recovery outcome (68.4%, 95% CI: 66.6%--70%) than children with suspected AHT (44.3%, 95% CI: 36.1%--52/5%). The proportion of all childhood TBI attributable to abuse did not appear to have increased in the 10-year period at this medical center. This is the first comprehensive study highlighting the important role of suspected child abuse in causing TBIs among Chinese children. Child abuse as a major cause of TBIs among infants in China should be studied further, and there should be greater awareness of this important social and medical problem in China.

BACKGROUND: Pediatric traumatic brain injuries (TBIs) have not been well studied in China. This study investigated characteristics and trends of hospitalized TBIs sustained by Chinese children. METHODS AND FINDINGS: We analyzed 2002-2011 hospitalized TBI patients (0-17 years of age) treated at a large pediatric medical center in China. TBIs were defined using the International Classification of Diseases, Tenth Revision (ICD-10) codes. We examined age patterns across external causes of TBIs. We reported the trend of traffic-related TBIs for each year from 2002 to 2011. Of 4,230 TBI patients, 67.1% (95% CI: 65.4%-68.8%) were city residents and 28.8% (95% CI: 26.3%-31.3%) came from rural villages. Males had disproportionately more TBIs than females (65.2% vs. 34.8%). Falls, struck by/against objects, and traffic collisions were the top three external causes of TBIs for all age groups. Falls were the leading cause of TBI for all ages but peaked at 2 years of age. There were 125 TBIs in 0-2 year olds (5.9% of all TBIs in this age group) that were caused by suspected child abuse. Suspected child abuse was significantly more likely to occur in 0-1 year olds. The proportion of traffic -related TBIs increased significantly from 12.99% in 2002 to 19.68% in 2008 but dropped each subsequent year until it reached a level of 8.91% in 2011. CONCLUSIONS: Our study confirms that falls, struck by/against objects and traffic collisions are the top external causes of TBIs in Chinese children. When compared with national data from the developed countries, gender patterns are similar, but the ranking of external causes is different. This is the first study to highlight the important role of suspected child abuse in causing TBIs in infants in China. TBIs caused by child abuse warrant further research and government attention as a social and medical problem in China. Language: en