Relationship between bedtime, nighttime sleep duration, and anxiety symptoms in preschoolers in China.

Background: Sleep problems in preschoolers are becoming increasingly prominent, and the association between sleep status and anxiety symptoms has attracted growing attention. However, studies investigating the relationship between bedtime and nighttime sleep duration in preschoolers and their anxiety symptoms remain scant. We used the large sample data from the Longhua Cohort Study of Children in Shenzhen, China (LCCS) to analyze the association between bedtime and sleep in preschoolers and their anxiety symptoms.

The role of recombinant human brain natriuretic peptide on the cardiac output of patients with acute decompensated heart failure using Guyton venous return curve: A STROBE-compliant retrospective study.

rbBNP has positive cardiac effects in patients with acute decompensated heart failure, but its effects on the systemic venous circulation are not known.A single-center retrospective, self-controlled study was conducted on 14 patients undergone recombinant human brain natriuretic peptide (rhBNP) treatment between January 1, 2015 to December 31, 2018.The cardiac output (CO) significantly increased from 3.

Polyphenols and Alkaloids in Byproducts of Longan Fruits ( Lour.) and Their Bioactivities.

The longan industry produces a large amount of byproducts such as pericarp and seed, resulting in environmental pollution and resource wastage. The present study was performed to systematically evaluate functional components, i.e.

[Effect of highly active anti-retroviral therapy on prevention of mother to child transmission of HIV and on infant growth and development].

Objective: To identify the effect of highly active anti-retroviral therapy (HAART) on prevention of mother to child transmission (PMTCT) of HIV and on infant growth and development.

Methods: A total of 16 HIV-infected women or pregnant women selected in this study received HAART before or 18 - 24 weeks after pregnancy. The treatment included taking Zidovudine (AZT) 0.

[Investigation on the behavior problems of children aged 3 to 5 years in Changsha and comparison of the norm of Conners Parent Symptom Questionnaire in Chinese and American urban children].

Objective: To investigate the behavior problems of children aged 3 to 5 years in Changsha and to compare the differences of the results detected by the norm of Conners Parent Symptom Questionnaire (PSQ) in Chinese and American urban children.

Methods: A total of 854 children aged 3 to 5 years were randomly sampled from 5 districts in Changsha City and their parents completed the Conners PSQ.

Results: The assessment by the norm of PSQ in American urban children demonstrated that the average prevalence of behavior problems was 20.

[Correlation of snoring with attention deficit and hyperactivity-impulsivity in school age children from Changsha City].

Objective: To investigate the prevalence of snoring in school age children from Changsha City, and study the correlation of snoring with attention deficit and hyperactivity-impulsivity.

Methods: A total of 1 736 children aged 6 to 12 years were randomly sampled from five districts in Changsha City. Their parents completed the questionnaires about children's sleep conditions and the Attention Deficit Hyperactivity Disorder Diagnostic Scale-Parent Version.

[Relationship between impulsivity and sleep disorders in children aged 6 to 12 years].

Objective: To study the relationship between impulsivity and sleep disorders in children.

Methods: A total of 1 736 children at ages of 6 to 12 years were randomly sampled from five districts of Changsha. Their parents completed the questionnaires about children's sleep conditions and behaviors (using Barratt Impulsiveness Scale 11th version).

[Investigation and analysis on correlative factors of sleeping time in 2k12 year-old children in Changsha].

Objective: To study the sleeping time and its correlative factors in 2k12 year-old children in Changsha.

Methods: A cluster sample with 3 756 children was randomly selected from Changsha, whose parents or care persons were interviewed with questionnaires about children's sleeping status from June 2006 to April 2007 by trained medical staff. One person was responsible for a questionnaire for one child.

[Epidemiological investigation of sleep disorders for children at ages of 2-12 years in Changsha City].

Objective: To study the sleep time and the prevalence of sleep disorders in children at ages of 2-12 years in Changsha City.

Methods: A total of 3756 children at ages of 2-12 years were randomly sampled from five districts of Changsha City from June 2006 to April 2007. A questionnaire survey was performed on their parents.