A new-type non-adhesive thermosensitive liquid embolic agent for the embolization of cerebral arteriovenous malformation:an experimental study / 介入放射学杂志

Objective To synthesize a new-type thermosensitive liquid embolic material and to investigate the feasibility of using this material to occlude cerebral arteriovenous malformations (AVMs).Methods The copolymer was synthesized with N-isopropylacrylamide (NIPAM) and N-n-propylacrylamide (NNPAM),and it's physical and biological properties were estimated.The embolization of AVMs model in vitro by using this copolymer was conducted and the results were analyzed.Results The new-type copolymer possessed unique thermal behavior of lower critical soluble temperature (LCST),and it was water-soluble and non-adhesive with better biocompatibility.The successful embolization of AVMs model could be reliably obtained.Conclusion The copolymer synthesized by the authors is a new-type liquid embolic agent suitable for endovascular embolization of cerebral AVMs in vitro.Based on the results in experiment animals having been reported in medical literature,this copolymer can be further used in clinical research.

Study on Relationship between Quality of Obstetrical Service and Breastfeeding Rate at Discharging Hospital / 中华围产医学杂志

Objective To investigate the status of breastfeeding rate at discharging hospital and analyze influence of obstetrical service quality on breastfeeding rate, in order to improve the quality of obstetrical service and increase the breastfeeding rate. Methods A total number of 1 123 mothers who have 6~12 months babies were investigated through questionnaire including obstetrical service accepted, situation of breastfeeding rate at discharging hospital, mother's breastfeeding knowledge and behaviors with across-sectional method from August to October in 2000. Seven cities were chosen as the research site including Beijing, Changchun, Huhehaote, Xi'an, Luoyang, Kunming and Xiamen. The data were analyzed with SPSS/PC 10.0 statistical software. Results The exclusive breastfeeding rate was 52%, the full breastfeeding rate was 73% at discharging hospital. The influencing factors of breastfeeding rate at discharging hospital include mother's age, medical expenditure type, caesarean section, breastfeeding on demand, neonatal status, having milk bottle, feeding milk-powder and sweeten water in obstetrical wards, mother's breastfeeding knowledge and behavior, et al. Conclusions Breastfeeding rate at discharging hospital was low and it was related with quality of obstetrical service. So it is important to improve the quality of obstetrical service and health education on breastfeeding, in order to enhance the breastfeeding rate.

Multilevel Analysis on Maternal Mortality in Some Rural Areas / 中华围产医学杂志

Objective To analyse both micro level and macro level factors influencing maternal mortality in order to set the priority to lowering maternal mortality. Method The results of an analysis of maternal mortality were reported, based on a conceptual model that combines micro level and macro level variables taken from demographic, sociological and epidemiological research. Multi level analysis techniques were used to analyse the 1997 linked county level maternal death data and related county level social demographic and health resources data in 114 counties of 5 remote and poverty stricken provinces. Results The maternal mortality rate in research areas was as high as 159.3/100 000. The main factors influencing maternal mortality were institutional delivery rate, population density, percentage of minority population, and percentage of village without village doctor. Conclusion To advocate institutional delivery rate, to pay greater attention to minority and low population density area, and to standardised village doctors' responsibility are recommended strategies to lowering maternal mortality in remote and poverty stricken areas of China.

Effect of Intervention Aiming at Parents Rearing Practice on the Development of Behavior Problem of Toddlers / 中国心理卫生杂志

Objective: To study the effect of intervention aiming at parents on development of behavioral problem of children aged 2 years. Methods: Using retrospective design, 310 parents in project communities wore investigate with Achenbach children's behavior checklist (CBCL, China urban version) and correlating background questionnaire. The control group contains 191 parents from those communities with the same social economic status and health care service. Results: The prevalence of behavioral problem of toddlers in project communities was 48. 7% , which was lower than that in control ones (62. 8% , X2= 9. 49, P