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Acceptance to Use Daily Oral Pre-Exposure Prophylaxis (PrEP) as an HIV Prevention Method and Ability to Pay for PrEP among Men Who Have Sex with Men in Ho Chi Minh City, Vietnam

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Health 2017年第9期9卷 1326-1336页

作者： Huong thi thu Phan nga thi thu vu Vietnam Administration of HIV/AIDS Prevention and Control Ministry of Health Hanoi Vietnam Institute of Preventive Medicine and Public Health Hanoi Medical University Hanoi Vietnam

Background: Men who have sex with men (MSM) are disproportionately affected by HIV in Vietnam. Regardless of international and national agencies’ efforts, the HIV epidemic in MSM has been increasing in recent years. Novel and evidence-based HIV antiretroviral pre-exposure prophylaxis (PrEP) maybe needed to combat the HIV epidemic among this population in Vietnam. this study aims to identify how MSM accept the use of PrEP as an HIV prevention method and their ability to pay for it. Method: this is a cross-sectional study of 373 MSM seeking HIV testing in a community-based HIV clinic in Ho Chi Minh City, Vietnam from January to April 2016. Potential participants were briefly informed about ethical considerations, screened for eligibility, and signed an informed consent form when selected. Face-to-face interviews were conducted by the clinic’s staff. Descriptive and analytical analysis was performed by STATA 13.0. Results: Of 373 participants, only 92 men (24.7%) reported having known about PrEP. Out of 360 men who were questioned about their acceptance of PrEP as an HIV prevention method, 274 (76.1%) embraced the use of PrEP. The median maximum affordable monthly PrEP cost was one million Vietnam Dong (VND) (equivalent to US$43) and the median average affordable monthly PrEP cost was 0.5 million VND (approximately $21.7). The majority of men (68.8%) could afford an average of less than $43 a month for PrEP. Conclusion: There is a relatively high level of PrEP acceptance among MSM in Ho Chi Minh City, Vietnam. To increase PrEP acceptance, raising awareness and understanding of PrEP is recommended. To expand PrEP interventions in Vietnam, the target population’s ability to pay should be a key focus.

关键词： Pre-Exposure Prophylaxis Men Who Have Sex with Men Vietnam Acceptability to Use PrEP Ability to Pay

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Overweight, obesity and associated factors among secondary school students in a northern city of Vietnam in 2011

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Health 2013年第1期5卷 24-29页

作者： Huong thi Le nga thi thu vu Doan thi thu Huyen Nguyen Van Toan Bac Giang Secondary School of Nursing No1 Hanoi Vietnam Institute for Preventive medicine and Public Health Hanoi Medical University Hanoi Vietnam

Overweight and obesity is an emerging public health problem among school-aged children in Bac Giang city in the Northen part of Vietnam recently. this study aims to identify overweight-obesity prevalence of secondary school children in this city and it’s associated factors. The study was a nested case control in a cross-sectional study design in 1528 secondary students selected from 4 secondary schools in 2 inner communes and 2 suburban communes of Bac Giang city, Vietnam. Result: Overweight prevalence among secondary school students in Bac Giang was 6.7%, the prevalence of obesity was 2.0%. Overweight and obesity is more prevalence in male students, inner communes and students from family have higher income and higher food expense. Overweight and obesity was associated with higher energy intake, more fat consumption, having supplement meals and bedtimemeal, increased physical activities and increased sleep duration. Conclusion: Education campaign targeting reducing overweight and obesity should target both parents about dietary adequacy and balance and children about more physical activities.

关键词： Overweight Obesity Secondary

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Changes of Food Expenditure and Food Consumption of People Living in Ba Vi District, Hanoi, Vietnam from 1999 to 2013

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Health 2015年第12期7卷 1696-1702页

作者： Huong Le thi Phuong Le Hong Thanh Nguyen Hoang Giang Nguyen thu Xuan Le thi Thanh Chuc Nguyen thi Kim nga thi thu vu Institute for Preventive Medicine and Public Health Hanoi Medical University Hanoi Vietnam

Background: During the nutrition transition period which began in the early 1990s in Vietnam, dietary intake had been changed significantly because of changes in lifestyle and living standard. Objectives: this paper aims to describe the trend for food expenditure and the frequency of meat consumption in households in Ba Vi district, Hanoi, Vietnam from 1999 to 2013. Methods: this is a longitudinal study conducted in Ba Vi district, Hanoi. Semi-annual, face-to face interviews were conducted by well-trained interviewers with 11,922 households to collect data of the household’s income, spending for food and meat consumption. Chi-square test for trend was performed to evaluate the changes of food expenditure over the years. P-value under 0.05 was considered statistically significant. Results: There were ten times increase in household’s mean income and five times increase in mean food expenditure from 1999 to 2013. The percentage of household food expenditure per total family expenditure was really high (55% in 2013). The percentage of rice expenditure per total food expenditure decreased dramatically from 59.9% in 1999 to 33.1% in 2013 while spending for other animal-based, high-protein food was an upward trend, particularly meat (10.7% in 1999 to 24.2% in 2013). The percentage of rice expenditure in well-off households was lower than poor households (55% vs. 61.8% in 1999 and 31.4% vs. 36.5% in 2013). However, the percentage of spending for meat in well-off households were much higher than that of poor households (>10%). Conclusion: Our finding indicated that mean income and food expenditure, particularly meat intake, of households had increased dramatically from 1999 to 2013. The increase of meat intake requires reallocation and direction of Vietnam public health funding and strategy.

关键词： Vietnam Income Food Expenditure Meat Consumption

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Nutritional Practices among Ethnic Minorities and Child Malnutrition in Mountainous Areas of Central Vietnam

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Food and Nutrition Sciences 2013年第1期4卷 82-89页

作者： Le thi Huong vu thi thu nga Institute of Preventive Medicine and Public Health Hanoi Medical University Hanoi Vietnam.

Background: Despite the success of National Action Plan on Nutrition program in reducing malnutrition among children under 5 years old in Vietnamin recent years, the rate of malnutrition inVietnamremains higher than that rate in other surrounding countries. The rate is especially high in mountainous areas. this study aims to explore the association between the mother’s nutrition care practice and the nutritional status of their children. Methods: 400 Children under 5 years of age and their mothers from Thanh Hoa—a Northern Province of Vietnam were included in this survey. Weight and height of the children were measured. Information related to the mother’s knowledge and practices pertaining to child health care and nutrition was collected. Results: The malnutrition rate was 29.3% by weight for age score (WAZ), 28.3% by height for age score (HAZ) and 10.0% by weight for height score (WHZ). 27.3% of mothers discarded the colostrum milk. 21.3% of children were fed with chewing rice before breastfeeding. Exclusive breastfeeding up to four months was 17.8% and exclusive breastfeeding rates for 6 months or more was 8.6%. Weaning practice before four months of age was 53.7%. There was an association between malnutrition with mother’s ethnic group, and the frequency of consumption of protein rich food. Conclusion: Malnutrition of ethnic minority children under five years of age is still a public health problem in the central mountainous areas ofVietnam. Inappropriate breastfeeding and weaning practice among ethnic minority women were associated with this high rate. Further effort should continue to improve the nutrition status of ethnic minority children under 5 years of age. Customized, culturally adapted interventions for ethnic minority women to strengthen their nutrition care knowledge, attitude and practice, especially breastfeeding and weaning practice are the key to achieving better nutrition status of their children.

关键词： Malnutrition Children Knowledge and Practice Vietnam

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Polygonatum kingianum rhizome extract alleviates collagen antibody-induced arthritis by modulating proinflammatory cytokine production in mice

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Asian Pacific Journal of Tropical Biomedicine 2020年第11期10卷 490-495页

作者： Huyen Do thi Thanh Phuong Ngo thi Hien Nguyen thi thu nga Nguyen thi Hung Le Ngoc Thao Dothi Ha Le Minh Graduate University of Science and Technology Vietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam Institute of Natural Products Chemistry Vietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam Hanoi Open University101 Nguyen Hien str Hai Ba Trung Dist.HanoiVietnam Laboratory of Bioassay Institute of BiotechnologyVietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam Chemistry Lab Project Center for Research and Technology transferVietnam Academy of Science and Technology18 Hoang Quoc VietNghia DoCau GiayHanoiVietnam

Objective: To evaluate the anti-arthritic effects of Polygonatum kingianum rhizome extract using both in vitro and in vivo ***: Lipopolysaccharide-induced RAW 264.7 macrophages were treated with an ethanol extract of Polygonatum kingianum rhizomes at different concentrations to determine nitric oxide and prostaglandin E2(PGE2) production. For in vivo study, Polygonatum kingianum ethanol extract was further investigated for its antiinflammatory effect in a mouse model with collagen antibodyinduced arthritis. Phytochemical study of Polygonatum kingianum ethanol extract was also ***: Saponins(142 mg/g total yield) was the main component in the Polygonatum kingianum ethanol extract. 5α,8α-ergosterol peroxide,(E,E)-9-oxooctadeca-10,12-dienoic acid and 3-(2?-hydroxy-4?-methoxy-benzyl)-5,7-dihydroxy-8-methyl-chroman-4-one were isolated from the extract. Polygonatum kingianum ethanol extract exhibited potential anti-inflammatory effects by inhibiting nitric oxide and PGE2 production in RAW 264.7 cells in a dosedependent manner. The level of arthritis in mice with collagen antibody-induced arthritis was significantly reduced(P<0.01) after treatment with Polygonatum kingianum ethanol extract, particularly at a dose of 1 000 mg/kg body weight. Besides, the extract demonstrated the regulatory effects on serum tumor necrosis factoralpha, interleukin-6, and interleukin-10 in treated ***: Polygonatum kingianum ethanol extract has beneficial effects on inflammatory cytokine regulation and PGE2 inhibition in an experimental mouse model with collagen antibody-induced arthritis. The phytochemical screening reveals that the saponin, as the main component, and sterols(daucosterol and 5α,8α-ergosterol peroxide) from Polygonatum kingianum ethanol extract may contribute to its promising in vitro and in vivo anti-inflammatory activities.

关键词： inflammatory cytokine PGE2

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Pattern of smoking cessation and its associated factors in Vietnam

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Health 2012年第6期4卷 289-296页

作者： Le thi Huong Hoang Van Minh Kim Bao Giang Le thi Thanh Xuan vu thi thu nga Pham Quynh nga Phan thi Hai Jason Hsia Center for Disease Control and Prevention Atlanta USA Institute for Preventive Medicine and Public Health Hanoi Medical University Hanoi Vietnam Vietnam Steering Committee on Smoking and Health (VINACOSH) Hanoi Vietnam World Health Organization Office in Vietnam Hanoi Vietnam

Background: Even though the number of research on tobacco in Vietnam has recently increased rapidly, there remains a lack of reporting on the pattern of quit smoking and its correlates. It is necessary to have scientific evidence on this issue to help the policy makers and the Public Health sector to have appropriate intervention program to enhance the smoke cessation smoke program and improve the health status of the smokers. this study aims to: (1) Describe the pattern of smoking cessation in Vietnam 2010. (2) Examine the association between smoking cessation with some associated factors in Vietnam 2010. Methods: Data used in this paper were obtained from the Global Adult Tobacco Survey (GATS) conducted in Vietnam in 2010. A total of 11,142 households were selected for this survey using a two-phase sampling design analogous to a three-stage stratified cluster sampling. Both descriptive and analytical statistical analyses were carried out. Multivariate logistic regression modeling was performed to examine the association between the patterns of quit daily;quit smoke;attempt to quit and intend to quit among smokers with relevant factors. Results: The prevalence of the different type of cessation among male and female were 23.3% and 28.6% for quit daily;19.1% and 1.0% for quit;55.6% and 44.4% for attempt to quit and 29.6% and 19.3% for intend to quit respectively. The prevalence of quit daily and quit increased with age whereas attempt to quit decreased with age. Prevalence of cessation was highest among the group who were asked about smoking tobacco by health care providers. Some determinants of quit daily and quit include age, area, and knowledge of illnesses caused by smoking. There was no association between attempt and intend to quit with any socio-characteristic except for area. People in rural area were 2.1 and 1.7 times more likely attempt to quit and intend to quit than those in urban area, respectively. Conclusion: The GATS Vietnam 2010 showed that the prev

关键词： Cessation Socio-Demographic Factors Global Adult Tobacco Use Survey Vietnam

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Effect of CaCO3 on the Mechanical Properties of Polyethylene Terephthalate/Polypropylene Blends

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材料科学与工程（中英文B版） 2019年第3期9卷 92-98页

作者： Pham thi Hong nga Mechanical Engineering Faculty HCMC University of Technology and Education1 Vo Van Ngan St.Thu Duc DistrictHCM City 700000Vietnam

The aim of this work was to study the influence of CaCO3 in both tensile and flexural mechanical properties of a PET(polyethylene terephthalate)/PP(polypropylene).Four compositions of PET/PP/CaCO3 blend were prepared by injection molding with CaCO3 content of 0,2,4 and 6 wt%.The samples were cut according to the ASTM(American Society for Testing and Materials)standard and tested by using universal testing *** results show that the mechanical properties of the PET/PP/CaCO3 composites with 2%and 4 wt%of CaCO3 composition were better than that of the PET/PP *** the content of CaCO3 is 6 wt%,the serious phase separation between PET and PP resulted in poor mechanical properties of the PET/PP/CaCO3 *** study shows that CaCO3 has played a role to improve the tensile and flexural properties of the mixing product if it is present only in a small amount.

关键词： PET PP CaCO3 PET/PP blend mechanical properties

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