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Objective:To describe the clinical features and analyze the prognostic factors of blastemaltype Wilms tumor. To explore the clinical risk factors affecting the prognosis of blastoma.Methods:Clinical data of 75 patients admitted to the surgery department of Beijing Children's Hospital from January 2008 to June 2020 who were confirmed to be blastemal-type Wilms tumor by postoperative pathology without preoperative chemotherapy. The patients' general information, clinical characteristics, inspection data, surgical methods and follow-up results were collected. The related factors which influences its prognosis were analyzed. Among the 75 patients, 45 cases (60.0%) were male and 30 cases (40.0%) were female. The diagnosis age was 6-144 m, mean age was 39.1 m. Left side: 38 cases (50.7%), right side: 37 cases (49.3%). The clinical manifestations were abdominal mass in 35 cases (46.7%), hematuria in 24 cases (32.0%), abdominal pain in 7 cases (9.3%) and physical examination in 9 cases (12.0%). There were Stage Ⅰ 30 cases, Stage Ⅱ 28 cases, Stage Ⅲ 15 cases, Stage Ⅳ 2 cases. There were preoperative tumor rupture in 5 cases, intraoperative tumor rupture in 2 cases. Clinical stage Ⅰ and Ⅱ were classified as early, while stage Ⅲ, Ⅳ were classified as late. According to COG protocol, stage Ⅰ and Ⅱ patients received EE4A, stage Ⅲ and Ⅳ patients received DD4A protocol and radiotherapy. The number of lymph nodes sampled during operation was more than 7 in 10 patients.Results:7 cases were tested for 1p16q. One case(stage Ⅱ) was absent at 1p/16q LOH, and chemotherapy was upgraded from EE4A to DD4A. After the recurrence of 1 case in clinical stage Ⅰ, the 1p/16q heterozygotic deletion test was performed, which was changed to M regimen chemotherapy. Only 1p lost in one case, and 1p/16q was negative in 4 cases, so the original chemotherapy regimen was maintained. A total of 67 patients were recruited to the study. The median follow-up time was 57 months. The 5-year relapse-free survival(RFS) rate was74.7%, and the 5-year overall survival(OS) rate was 88.0%. Cox multivariate regression analysis showed that: advanced clinical stage ( HR=4.9, 95% CI 1.2-19.6, P=0.025), tumor volume ( HR=1.7, 95% CI 0.4-6.9, P=0.048), and tumor rupture ( HR=20.1, 95% CI 4.7-85.5, P<0.001) were independent risk factors for prognosis of blastoma. Gender, age, side profile, clinical manifestations, tumor embolism, and number of lymph nodes sampled had no significant influence on the survival rate of blastoma ( P>0.05). Conclusion:Advanced stage (Ⅲ-Ⅳ), tumor volume≥1 000 ml, tumor weight and tumor rupture were independent risk factors for relapse. Insufficient lymph node sampling and incomplete 1p16q, may be the reasons for the increased risk of local recurrence in low-stage patients due to the underestimated risk classification and insufficient treatment intensity.
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Objective@#To investigate the sleep quality of children in Beijing and to analyze the related factors.@*Methods@#The data were collected from the survey of 3-14 years old children in 7 urban districts of Beijing in 2015. By using multi-stage stratified cluster random sampling method, 26 kindergartens and primary and secondary schools in 7 districts and counties, including Xicheng, Chaoyang, Changping, Shunyi, Fangshan, Huairou and Mentougou, were randomly selected, with a total of 11 420 children. Children′s sleep status was investigated with Children′s Sleep Questionnaire (PSQ), and the proportion of children with sleep quality problems when the PSQ score was greater than 7. Various sleep related factors were investigated with self-made questionnaire. A multilevel model was used to analyze the relationship between PSQ score and related factors.@*Results@#The average PSQ score of the children was 3.60±2.69. The proportion of children with sleep quality problems was 8.87%(816/9 198). Multilevel model analysis showed that the younger the children, the higher the PSQ score (<6 years old vs. 6~12 years old vs. >12 years old: 3.94±2.58 vs. 3.58±2.66 vs. 3.30±2.84, F=33.015, P<0.001); male PSQ score higher than female (3.89±2.75 vs. 3.30±2.60, t=10.560, P<0.001); and snoring, obesity, father/mother snoring, playing games before bed, surfing the internet, eating and other factors were statistically related to PSQ.@*Conclusions@#Sleep quality of children in Beijing should not be neglected, especially preschool children with high PSQ scores. Parents should pay attention to children′s snoring problems and try to reduce some pre-sleep behaviors that may affect sleep quality.
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Objective@#To investigate the snoring status and related family factors of children from 3 to 14 years old in Beijing.@*Methods@#From May to July, 2015, data of children from 3 to 14 years old were obtained from a status survey from 7 districts(Xicheng, Chaoyang, Changping, Shunyi, Fangshan, Huairou and Mentougou) in Beijing. A total of 11 420 children from 25 primary and middle schools were randomly selected. Pediatric Sleep Questionnaire (PSQ) and a self-administered questionnaire were carried out for the adopted children. Self-administered questionnaire included the snoring related family factors. Logistic regression was used to estimate the odd ratio(OR) with 95% confidence intervals for variables.@*Results@#A total of 9 198 children meet the inclusion criteria and are analyzed in the study, of whom 901 (9.80%) were found with snoring behavior. The incidence of boys is higher than girls. Obese children take higher risk of snoring. Compared with younger children (≤6 years old), older children (≥12 years old) have a significantly lower risk of snoring (OR=0.464, 95%CI 0.368-0.585). There is no statistical association between full-term infants, infant feeding pattern, parental cigarette smoking and child snoring.The children with family history of snoring have a significantly higher risk of snoring occurrence. The educational background of mother is statistically related to children snoring (OR=1.241, 95%CI 1.058-1.457).@*Conclusions@#The incidence of children snoring in Beijing is 9.80%, male gender, obesity, and young age are all risk factors for children snoring. There is a significantly statistical relationship between snoring and related family factors, such as family snoring history and education experience.
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Objective@#To investigate the snoring status of school-aged children in Beijing and explore the association of snoring and academic performance.@*Methods@#A total of 7 925 children aged from 6 to 14 were selected from 15 primary and middle schools at 7 districts (Xicheng, Chaoyang, Changping, Shunyi, Fangshan, Huairou and Mentougou) in Beijing in 2015, using multi-stage stratified cluster random sampling method. The recruited children were asked to complete the Pediatric Sleep Questionnaire (PSQ) and a questionnaire related to sleep behavior. The multiplelogistic regression was used to analyze the association of snoring and academic performance.@*Results@#A total of 794 (12.44%) children showed a decline in academic performance among 6 383 eligible respondentsfor data analysis. 580 (9.08%) children with snoring was identified, of which 333 and 247 were in frequency of 1-2 times per week and frequency of ≥3 times per week, respectively; 357, 170 and 53 were in snoring grade Ⅰ, grade Ⅱ and grade Ⅲ, respectively. Compared with the children without snoring, the OR (95%CI) for children with 1-2 times per week and ≥3 times per week was 1.363 (1.000-1.857) and 1.605 (1.135-2.269), respectively; and the OR (95%CI) for children with grade Ⅰ, grade Ⅱ and grade Ⅲ of snoring was 1.226 (0.893-1.683), 1.595 (1.062-2.397) and 2.31 (1.17-4.565), respectively.@*Conclusion@#There is a statistical relationship between snoring and the decline of academic performance. The decline of academic performance positively associated with increased frequency and grade of snoring.