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Introduction: We aimed to assess the associated factors for adolescent depression, problem behavior and cognitive level in China. Methods: A total of 2,584 adolescents aged from 10 to 15 years old in 2018 were included for analyses. Information on a comprehensive set of potential determinants was collected by the questionnaire, including demographic, health-, school- and family-related factors. Differences in average scores of depression, problem behavior, and cognitive level across subgroups were assessed by two independent sample t-tests and one-way analysis of variance (ANOVA). The clinical relevance among subgroups was assessed by the effect size. Multivariate linear regression models were applied to identify the statistically significant determinants. Results: School-related factors and parental depressive status were strongly associated with depression. Low maternal education, poor/bad health of adolescents, high academic pressure, and parental depression were significantly associated with behavior problems. The socioeconomic factors, poor academic performance and father's depression were significantly associated with adolescent cognitive level. Discussion: Multiple associated factors were identified for depression, problem behavior, and cognition of Chinese adolescents, which will provide insights into developing more targeted public health policies and interventions to improve their mental health.
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Intrauterine adhesion (IUA) is a severe complication that occurs following abortion, and hyaluronic acid gel has been used to prevent IUA following intrauterine operation. The present study aimed to systematically evaluate the efficacy of hyaluronic acid gel in preventing IUA following intrauterine operation. In the current study, a literature search was performed using PubMed, Cochrane Library and EMbase databases for randomized controlled clinical trials that used hyaluronic acid gel as an adjuvant therapy following intrauterine operation. The terms 'hyaluronic acid', 'intrauterine adhesions', 'Asherman's syndrome', 'IUA', 'dilatation and curettage', 'abortion' and 'hysteroscopic' were used to search for articles published online before July 31, 2018. RevMan 5.3 software was used to analyze the indicators of uterine cavity adhesion formation and pregnancy rates following intrauterine operation. A total of seven randomized controlled clinical studies were included, consisting of 952 patients who underwent intrauterine operation. The meta-analysis indicated that the use of hyaluronic acid gel reduced the incidence of IUA [relative risk (RR)=0.42; 95% confidence interval (CI)=0.30-0.57; P<0.001] and the score for IUA after an intrauterine operation (mean difference=-1.29; 95%=-1.73 to -0.84; P<0.001). A subgroup analysis revealed that the preventive effect of hyaluronic acid gel on IUA was not affected by the type of intrauterine operation, namely abortion (RR=0.40; 95% CI=0.26-0.62; P<0.001) and hysteroscopy (RR=0.44; 95% CI=0.28-0.68; P<0.001). The preventive effect of hyaluronic acid gel on IUA was also not affected by primary disorders/diseases including the following: Abortion (RR=0.48; 95% CI=0.29-0.78; P=0.003); IUA (RR=0.38; 95% CI=0.21-0.67; P<0.001) and submucosal myoma of the uterus, endometrial polyps or mediastinum uterus (RR=0.40; 95% CI=0.18-0.90; P=0.03). Hyaluronic acid gel improved pregnancy rates after intrauterine operations (RR=1.94; 95% CI=1.46-2.60; P<0.001). In conclusion, hyaluronic acid gel was indicated to significantly reduce the incidence of IUA following intrauterine operation, regardless of the type of intrauterine operation or the presence of primary diseases. Treatment with hyaluronic acid gel was also revealed to increase pregnancy rates following intrauterine operation.
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The protective effects of gonadotropin-releasing hormone agonist (GnRHa) against ovarian chemotherapy induced-toxicity have not completely been demonstrated and the impact of chemotherapy on ovarian dysfunction remains unclear. The present meta-analysis aimed to evaluate the efficiency of GnRHa and to determine whether GnRHa could influence the long-term survival rate of patients with cancer. A total of 12 clinical randomized controlled trials were included, consisting of 1,413 patients who were divided into the GnRHa group (n=705) and the control group (n=708). The meta-analysis revealed that GnRHa may significantly improve the menstrual function recovery rate in patients who received chemotherapy [RR=1.29, 95% confidence interval (CI)=1.09-1.54, P=0.004] and reduce the rate of premature ovarian failure (RR=0.47, 95% CI=0.31-0.71, P=0.0004). However, it had no effect on the pregnancy rate (RR=1.40, 95% CI=0.98-1.98, P=0.06), on the rate of disease-free survival and overall survival of patients (disease-free survival rate: RR=1.04, 95% CI=0.95-1.13, P=0.40; overall survival rate: RR=1.02, 95% CI=0.90-1.16, P=0.72). In conclusion, GnRHa may reduce chemotherapy-induced ovarian dysfunction without compromising or influencing the therapeutic effects of chemotherapy.
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The aim of the present meta-analysis study was to evaluate the efficacy of low-dose aspirin, commenced at ≤16 weeks of gestation, in preventing preterm and term preeclampsia, as well as associated maternal and neonatal adverse events in women at risk of preeclampsia. The Embase, PubMed, Cochrane Central Register of Controlled Trials and the Web of Science databases were searched for relevant random controlled trials (RCTs) published between January 1979 and October 2017. After quality assessment and data extraction, a meta-analysis was performed using RevMan 5.3 software. Outcomes of interest were preeclampsia with subgroups of preterm preeclampsia (delivery at <37 weeks) and term preeclampsia, as well as maternal adverse outcomes, including gestational hypertension, postpartum hemorrhage and preterm birth, and neonatal adverse outcomes, including intrauterine growth retardation (IUGR) or small for gestation age infant (SGA), stillbirth or death, and newborn weight. A total of 10 RCTs involving 3,168 participants were included. The meta-analysis demonstrated that, compared with placebo or no treatment, low-dose aspirin was associated with a significant reduction in the overall risk ratio (RR) of preeclampsia regardless of the time to delivery [RR=0.67; 95% confidence interval (CI)=0.57-0.80]. This was apparent for preterm preeclampsia (RR=0.35; 95% CI=0.13-0.94) but not for term preeclampsia (RR=1.01; 95% CI=0.60-1.70). Except for postpartum hemorrhage, low-dose aspirin also significantly reduced the risk of maternal and neonatal adverse outcomes. In conclusion, low-dose aspirin in women at risk of preeclampsia, commenced at ≤16 weeks of gestation, was associated with a reduced risk of preterm preeclampsia, and of adverse maternal and neonatal outcomes.
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BACKGROUND: Various adjuvant therapies have failed to improve clinical symptoms and pregnancy rates among patients with moderate-to-severe intrauterine adhesion. OBJECTIVES: To evaluate the ability of amniotic membrane to prevent the recurrence of intrauterine adhesion after hysteroscopic adhesiolysis. SEARCH STRATEGY: The Cochrane Library, Embase, and PubMed databases were searched for articles published before December 31, 2017, using the terms: ("amnion") and ("intrauterine adhesions" or "Asherman syndrome" or "IUA" or "endometrial injury" or "uterine adhesion" or "hysteroscopic" or "hysteroscopic adhesiolysis"). SELECTION CRITERIA: Randomized controlled trials of amniotic membrane therapy after hysteroscopic adhesiolysis. DATA COLLECTION AND ANALYSIS: Four studies were included in the meta-analysis (300 patients in total). Dichotomous outcomes were expressed as relative risk (RR) with 95% confidence intervals (CIs). Continuous variables were expressed as mean difference. MAIN RESULTS: Amniotic membrane increased menstrual blood volume after hysteroscopic adhesiolysis (mean difference 6.15, 95% CI 4.20-8.11; P<0.001). By contrast, this treatment did not affect the rates of intrauterine adhesion recurrence (RR 0.84, 95% CI 0.61-1.16; P=0.290); pregnancy (RR 1.40, 95% CI 0.78-2.50; P=0.260); or spontaneous abortion (RR 0.88, 95% CI 0.38-1.99; P=0.750). CONCLUSIONS: The use of amniotic membrane increased menstrual blood volume but failed to improve other measures assessed in the current meta-analysis.