Sources of stress, coping strategies and associated factors among Vietnamese first-year medical students.

OBJECTIVES: This study aims to examine the sources of stress among first-year medical students; the frequency of their coping strategies; the factors associated with specific stressors and specific coping strategies adopted by the participants. METHODS: We conducted a cross-sectional study with 409 first-year students at the University of Medicine and Pharmacy, Vietnam. The Vietnamese versions of the Higher Education Stress Inventory (V_HESI) and Brief Coping Orientation to Problems Experienced (V_Brief COPE) were validated and were used as measurement instruments for participants' sources of stress and coping strategies frequencies. The survey comprised questions of socioeconomic status, stress-related issues, the six sources of stress (using the V_HESI), and the nine coping strategies (using the V_Brief COPE). RESULTS: Among the six sources of stress, "Worries about future competence/endurance" had the highest mean score (3.02±0.64), while "Mismatch in professional role expectations" had the lowest score (1.60±0.53). "Financial concerns" and "Academic workloads" were also significant sources of stress. Regarding coping strategies, Self-distraction was most frequently adopted by the participants (2.80 ± 0.68). Problem-solving (2.72±0.53) and seeking Social support (2.62±0.70) were also common adaptive strategies. Avoidance (1.87±0.55) and substance-use (1.27±0.55) were the least frequent strategies. Students who experienced acute stress event were more likely to have financial concerns compared to others. Substance use was positively associated with stressors from "Mismatch in professional role expectations", "Non-supportive educational environment", "Having physical issues" and "Having part-time job". Self-blame was more frequent among students with "Worries about future competence/endurance", "Financial concerns", and "Academic workload". Male student tended to adopt humor strategy (ß = 0.19, p = 0.02), while less likely to utilize religious practices (ß = -0.21, p = 0.01). CONCLUSIONS: Two-thirds of the participants reported moderate to high levels of stress. "Worries about future competence/endurance" was the most concerned stressor, followed by "Academic workload", and "Financial concerns". The first-year medical students reported high frequency of utilization "Self-distraction", "Problem-solving" and "Social support" when confronting stress. The findings may help inform the school management to better support students' well-being.

Transforming stress program on medical students' stress mindset and coping strategies: a quasi-experimental study.

OBJECTIVE: Stress is a significant concern in medical education, and identifying effective ways to deal with stress may help with students' mental health and professional development. This study aimed to examine the effects of the Transforming Stress Program (TSP) amongst first-year medical students on their stress mindset and coping strategies when confronted with stressors. METHODS: We conducted a quasi-experimental study at the University of Medicine and Pharmacy, Ho Chi Minh City, Vietnam. A total of 409 first-year students at the Faculty of Medicine were divided into intervention group (205 students) and control group (204 students). The 10-week TSP was delivered as an extra-curricular course. The training adopts psychoeducation based on Dialectical Behavioral Therapy with mindfulness as a fundamental practice incorporated into each component of the program. The intervention group received the training in the first semester; the control group received identical program in the second semester. Stress Mindset Measurement and Brief Coping Orientation to Problems Experienced were measured before the intervention (T0), immediately after intervention on Intervention group (T1), and six months after intervention on Intervention group (T2). RESULTS: At T1, the intervention group showed 65% improvements in stress mindset scores and increases in coping strategies scores in six domains (Problem solving, Social support, Humor, Religion, Venting, and Self-distraction) and decreases in three (Avoidance, Substance use, and Self-blame). The effect sizes were significant in all outcomes (Cohen's d > 0.2). Measurements of the control group did not change significantly in the same period. At T2, effects of the TSP were found decreased in some domains (Avoidance, Substance use, and Self-blame) compared to T1, but largely remained significantly better than T0. CONCLUSIONS: The TSP is a feasible and effective approach that significantly enhanced medical students' stress mindset and coping strategies. Some effects were still observable 6 months after the intervention. The relatively intensive intervention requires support of the school administration and staff.

Empowerment and use of modern contraceptive methods among married women in Burkina Faso: a multilevel analysis.

BACKGROUND: In Burkina Faso, gender inequality prevents women from meeting their reproductive needs, leading to high rates of unintended pregnancies, abortions and deaths. Evidence shows that empowering women may increase the proportion of demand for family planning satisfied using modern methods (mDFPS), but few studies have measured this process in multiple spheres of life. We investigated how empowerment influences the mDFPS among married women of reproductive age (MWRA) in Burkina Faso. METHODS: We analyzed data from the 2010 Burkina Faso Demographic and Health Survey (DHS) on 4714 MWRA with reproductive needs living in 573 communities. We used principal component analysis (PCA) and Cronbach's alpha test to explore and assess specific and consistently relevant components of women's agency in marital relationships. Aggregated measures at the cluster level were used to assess gender norms and relationships in communities. Descriptive statistics were performed and multilevel logistic regression models were carried out to concurrently gauge the effects of women's agency and community-level of gender equality on mDFPS, controlling for socioeconomic factors. RESULTS: Overall, less than one-third (30.8%) of the demand for family planning among MWRA were satisfied with modern methods. Participation in household decision-making, freedom in accessing healthcare, and opposition to domestic violence were underlying components of women's agency in marital relationships. In the full model adjusted for socioeconomic status, freedom in accessing healthcare was significantly (aOR 1.27, CI 1.06-1.51) associated with mDFPS. For community-level variables, women's greater access to assets (aOR 1.72, 95% CI 1.13-2.61) and family planning messages (aOR 2.68, 95% CI 1.64-4.36) increased mDFPS, while higher fertility expectations (aOR 0.75, 95% CI 0.64-0.87) reduced it. Unexpectedly, women in communities with higher rates of female genital mutilation were more likely (aOR 2.46, 95% CI 1.52-3.99) to have mDFPS. CONCLUSIONS: Empowering women has the potential to reduce gender inequality, raise women's agency and increase mDFPS. This influence may occur through both balanced marital relationships and fair community gender norms and relationships. Progress toward universal access to reproductive services should integrate the promotion of women's rights. TRIAL REGISTRATION: No clinical trial has been performed in this study.

Suicidal Ideation and Predictors of Psychological Distress during the COVID-19 Pandemic in Eswatini: A Population-Based Household Telephone Survey.

The unpredictability of the COVID-19 pandemic can induce psychological distress in individuals. We investigated perceived stressors, prevalence of psychological distress and suicidal ideation, and predictors of psychological distress among adults during the COVID-19 pandemic in Eswatini. This study was a cross-sectional, population-based household telephone survey of 993 conveniently sampled adults (18+ years) from all the four administrative regions of Eswatini. Data were collected between 9 June and 18 July 2020 during the first wave of the COVID-19 pandemic, when the country was under a partial lockdown. COVID-19-related psychological distress was assessed using the Kessler 6-item Psychological Distress Scale (K6). We performed weighted modified Poisson regression analyses to identify significant predictors of moderate/severe psychological distress (K6 scores: ≥5). The weighted prevalences of moderate (K6 scores: 5-12) and severe psychological distress (K6 scores: ≥13) were 41.7% and 5.4%, respectively. Participants reported several perceived COVID-19-related stressors, including worries and fears of the contagion-specific death, serious need for food and money, and concerns about loss of income or business. The weighted prevalence of suicidal ideation was 1.5%. Statistically significant predictors of increased risk for moderate/severe psychological distress included living in the Hhohho and Manzini regions; feeling not well informed about COVID-19; feeling lonely; having received COVID-19 food or financial relief from the government; feeling burdened by the lockdown; being married; and being youth (18-24 years). The results call for the government to urgently augment the provision of mental health services during the pandemic. Mental health practitioners and programs may use several stressors and risk factors identified in this study to inform interventions and government policies aimed at reducing psychological distress induced by the pandemic.

Reducing road traffic deaths: where should we focus global health initiatives?

BACKGROUND: Current global surgery initiatives focus on increasing surgical workforce; however, it is unclear whether this approach would be helpful globally, as patients in low-resource countries may not be able to reach hospitals in a timely fashion without formal Emergency Medical Services (EMS). We hypothesize that increased surgical workforce correlates with decreased road traffic deaths (RTDs) only in countries with EMS. METHODS: Estimated RTDs were obtained from the Global Status Report on Road Safety 2013, which estimated the RTD rate in 2010 (RTD 2010). The classification of EMS was defined by the Global Status Report on Road Safety 2009. The density of surgeons, anesthesiologists, and obstetricians (SAO density) and 2010 income classification were accessed from the World Bank. Multivariable regression analysis was performed adjusting for different countries, income levels, and trauma system characteristics. Sensitivity analysis was performed. RESULTS: One-fourth of the countries reported not having formal EMS (n = 41, 23.4%). On adjusted analysis, SAO density was not associated with changes in RTD 2010 in countries without EMS (n = 25, P = 0.50). However, in countries with EMS, each increase in SAO density per 100,000 population decreased RTDs by 0.079 per 100,000 population (n = 97, P <0.001). Income was the only other factor resulting in reduced mortality rates (P = 0.004). Sensitivity analysis confirmed these findings. CONCLUSIONS: Increases in surgical workforce reduce RTDs only when EMS exist. Surgical workforce and EMS must be seen as part of the same system and developed together to maximize their effect in reducing RTDs. Global health initiatives should be tailored to individual country need. LEVEL OF EVIDENCE: Level II (Ecological study).

Knowledge, attitude and practice on cervical cancer and screening: a survey of men and women in Swaziland.

Background: Cervical cancer is the most common cancer among females in Swaziland, yet the screening rate remains low. The study intended to explore the knowledge, attitudes and practice on cervical cancer and screening. Methods: A cross-sectional questionnaire survey was conducted among 202 men and 213 women aged 30-65 years. The participants were from the Manzini and Shiselweni regions of Swaziland, sampled from both rural (77.8%) and urban areas. Results: About half (53.5%) of women and 22.8% of men correctly named at least one symptom of cervical cancer. Many (58.1%) participants had misconceptions on the risk factors of cervical cancer, such as witchcraft, abortion, or birth control. Only 5.2% of the women had been screened. Among women, 40.0% reported that they need to seek their spouses' permission to visit the clinic. Men with less misconceptions on cervical cancer heard of screening and with no preference of the gender of the health care worker were more likely to report that they would allow their partners to be screened. Conclusions: Men have less knowledge on cervical cancer yet may make important health related decisions for women. There is a need for comprehensive education on cervical cancer for both women and men.

Prescribed Renoprotective Chinese Herbal Medicines Were Associated with a Lower Risk of All-Cause and Disease-Specific Mortality among Patients with Chronic Kidney Disease: A Population-Based Follow-Up Study in Taiwan.

Chinese herbal medicines (CHMs) containing aristolochic acid (AA) are associated with chronic kidney disease (CKD), but some prescribed CHMs have been shown to possess renoprotective effects. We conducted a nationwide retrospective cohort study to delineate the role of prescribed CHMs on the CKD progression. Renoprotective CHM (RPCHM) was defined if a CHM contained dong chong xia cao (Cordyceps sinensis (Berk.) Sacc.), da huang (Rheum palmatum L), huang qi (Astragalus membranaceus), dan shen (Salvia miltiorrhiza Bge.), and dong quai (Angelica sinensis (Oliv.) Diels) or belonged to specific mixture herbal formulations (Yishen capsule, Saireito, or Wen Pi Tang). Subjects who had ever used AA-containing CHMs, had cancer or HIV prior to CKD diagnosis, or died within the first month of CKD diagnosis were excluded. A total of 11,625 patients were eligible subjects. The adjusted hazard ratio (aHR) for all-cause mortality was 0.6 (p < 0.001) and 0.6 (p = 0.013) among subjects receiving RPCHMs containing Angelica sinensis and those receiving other RPCHMs, respectively. For CKD-related mortality, the aHR among subjects receiving RPCHMs containing Angelica sinensis was 0.6 (p = 0.025). The use of specific RPCHMs, especially those that contained Angelica sinensis, was associated with a lower risk of mortality among CKD patients.

Workplace violence against nurses in the Gambia: mixed methods design.

BACKGROUND: The aim of this study was to assess the prevalence, perpetrators and factors associated with workplace violence against nurses in public secondary health care facilities from two health regions in the Gambia. METHODS: Data was collected from 219 nurses using self-administered questionnaire and 35 face-to-face interviews. The data collection was conducted between July and September 2014 in 14 public secondary health care facilities. RESULTS: A sizable majority of respondents (62.1%) reported exposure to violence in the 12 months prior to the survey; exposure to verbal abuse, physical violence, and sexual harassment was 59.8%, 17.2%, and 10% respectively. The perpetrators were mostly patients' escorts/relatives followed by patients themselves. Perceived reasons of workplace violence were mainly attributed to nurse-client disagreement, understaffing, shortage of drugs and supplies, security vacuum, and lack of management attention to workplace violence. CONCLUSIONS: Nurses in the Gambia are at a relatively high risk of violent incidents at work. Policies and strategies that are sensitive to local circumstances and needs should be developed for the prevention of workplace violence.

Sexual abuse and risky sexual behaviors among young female hawkers in Burkina Faso: a mixed method study.

BACKGROUND: Young street hawkers in Burkina Faso are increasingly exposed to workplace hazards such as physical and sexual abuse, and also unsafe sexual practices. The objectives of this study were to identify the socio-demographic status and work characteristics of young female hawkers, describe their sexual behavior and their experience with regards to sex-related violence at the workplace. METHODS: The study used a mixed design combining qualitative and quantitative methods. It was carried out in two traffic stations in Burkina Faso namely Bittou customs station and Boromo bus station. Female hawkers aged 13 - 24 years were invited to participate in a questionnaire survey and local key informants were recruited to partake in an in-depth interview. The recruitment was based on their duties related to the hawkers. RESULTS: The study included 264 participants in the survey and 16 interviewees. The survey showed that three quarter of participants had primary education or lower. About half of them had been sexually harassed, with clients, public members and co-hawkers as the most common source of assault. Most (68.6%) hawkers were sexually active; among them 43.7% had received money or gifts for sex. Positive factors associated with commercial sex include working in Boromo and age above 17, while negative factors include being Muslim and having female genital mutilation. The interviews confirmed the relationship between hawking and the socio-economic situation of participant's family, and pointed out societal factors that expose hawkers to risky sexual behaviors. CONCLUSION: This study provides a better understanding of young female hawking activity in Boromo and Bittou. Implementing an empowerment program for female street vendors and their families, and an efficient surveillance system might help reduce these hazards.

Social and Cultural Factors Affecting Maternal Health in Rural Gambia: An Exploratory Qualitative Study.

BACKGROUND: The high rate of maternal mortality reported in The Gambia is influenced by many factors, such as difficulties in accessing quality healthcare and facilities. In addition, socio-cultural practices in rural areas may limit the resources available to pregnant women, resulting in adverse health consequences. The aim of this study is to depict the gender dynamics in a rural Gambian context by exploring the social and cultural factors affecting maternal health. METHODS AND FINDINGS: Five focus group discussions that included 50 participants (aged 15-30 years, with at least one child) and six in-depth interviews with traditional birth attendants were conducted to explore perceptions of maternal health issues among rural women. The discussion was facilitated by guides focusing on issues such as how the women perceived their own physical health during pregnancy, difficulties in keeping themselves healthy, and health-related problems during pregnancy and delivery. The data resulting from the discussion was transcribed verbatim and investigated using a qualitative thematic analysis. In general, rural Gambian women did not enjoy privileges in their households when they were pregnant. The duties expected of them required pregnant women to endure heavy workloads, with limited opportunities for sick leave and almost nonexistent resources to access prenatal care. The division of labor between men and women in the household was such that women often engaged in non-remunerable field work with few economic resources, and their household duties during pregnancy were not alleviated by either their husbands or the other members of polygamous households. At the time of delivery, the decision to receive care by trained personnel was often beyond the women's control, resulting in birth-related complications. CONCLUSIONS: Our findings suggest that despite women's multiple roles in the household, their positions are quite unfavorable. The high maternal morbidity and mortality rate in The Gambia is related to practices associated with gender inequality.

Comorbidity of Atopic Disorders with Autism Spectrum Disorder and Attention Deficit/Hyperactivity Disorder.

OBJECTIVE: To assess the relationship between allergic manifestations in early life and the occurrence of newly diagnosed autism spectrum disorder (ASD) and attention deficit/hyperactivity disorder (ADHD) throughout childhood. STUDY DESIGN: We collected a population-based longitudinal cohort comprising children enrolled in Taiwan's National Health Insurance Program during 2000-2010. We first identified 387,262 children who had a diagnosis of atopic dermatitis (AD) before age 2 years, with 1:1 individualized matching to children without AD. Cox regression analyses were performed to estimate the early-onset and cumulative effects of allergic manifestations on ASD and ADHD. RESULTS: An estimated 0.5% of AD-exposed children received a diagnosis of ASD, and 3.7% were diagnosed with ADHD, significantly higher than the respective rates of 0.4% and 2.9% found in their nonexposed peers. Having AD before age 2 years was associated with an increased hazard ratio (HR) for ASD by 10% and that for ADHD by 16%; such increases were particularly prominent among those with earlier-onset or more severe AD. HRs were especially higher for children with persistent AD and emerging atopic respiratory diseases in childhood (eg, for ASD, adjusted HR, 1.75 and 2.13, respectively; P < .001). CONCLUSION: The observed increased risks of ASD and ADHD associated with AD in infancy suggest that a disordered immunologic response may exert effects on neurodevelopment and have implications for research into etiology and treatment strategies.

The risk of losing 10 years of life put in perspective: views of college student smokers.

Health messages have limited effects on young smokers. The health effects typically have long latent periods, and the appreciation of risk depends on the meaning given to longevity. This study aims to understand how college student smokers interpreted the risks of losing 10 years of life because of smoking. In-depth semistructured interviews were conducted with 23 male smokers from a relatively low-achieving college in southern Taiwan. The participants had vague ideas about the future; were not expecting a successful life, thought life was stressful and boring; and expressed that there was no need to live too long. Many believed that removing the stress and having a composed lifestyle was the way to becoming healthy, which could be achieved only by people with economic success. They would quit had they been rich. Empowerment to help young smokers gain control over their life events may be the key to tobacco control.

Non-aristolochic acid prescribed Chinese herbal medicines and the risk of mortality in patients with chronic kidney disease: results from a population-based follow-up study.

OBJECTIVES: To evaluate the relationship between the use of non-aristolochic acid (AA) prescribed Chinese herbal medicines (CHMs) and the risk of mortality in patients with chronic kidney disease (CKD). DESIGN: Nationwide population-based follow-up study. SETTING: Longitudinal health insurance database sampled from the Taiwan National Health Insurance Research Database. PARTICIPANTS: A total of 47 876 patients with CKD were identified. Participants who had ever used AA-containing CHMs, had cancer or HIV prior to the diagnosis of CKD, died within the first month of CKD diagnosis and who were not Taiwanese citizens were excluded. A total of 13 864 participants were eligible for final analysis. PRIMARY AND SECONDARY OUTCOME MEASURES: All-cause mortality among patients with CKD between 2000 and 2008. RESULTS: After controlling for potential confounders, we found that participants who started to receive non-AA prescribed CHMs after the diagnosis of CKD had a lower risk of mortality as compared with non-users of non-AA prescribed CHMs (adjusted HR (aHR) 0.6; 95% CI 0.4 to 0.7, p<0.001). Moreover, participants who had used non-AA prescribed CHMs prior to and after the diagnosis of CKD also had a lower risk of mortality than non-users (aHR 0.6; 95% CI 0.5 to 0.8, p<0.001). In subgroup analyses, we found that such an inverse association was present only among patients who were not eligible to receive erythropoietin therapy (ie, serum creatinine ≦6 mg/dL and/or haematocrit value ≧28%). CONCLUSIONS: Patients who received non-AA prescribed CHMs after the diagnosis of CKD, yet before the start of erythropoietin therapy had a lower risk of mortality than those who did not.

Impact of tobacco control policies on adolescent smoking: findings from the Global Youth Tobacco Survey in Taiwan.

AIMS: To assess the impact of a set of comprehensive tobacco control policies implemented in Taiwan in 2009, including extensive smoke-free policy, advertisement ban, pictorial warning and price increase, on adolescent smoking prevalence. DESIGN: Five waves of cross-sectional surveys. SETTING: Taiwan, 2004-11. PARTICIPANTS: Nationally representative sample of junior high schools aged 13-15 years, in a biennial survey, total sample size 101,100. MEASURES: Core questionnaire of the Global Youth Tobacco Survey, including ever smoking, 30-day smoking and number of cigarettes smoked. The magnitude of prevalence change before and after the 2009 policy implementation was quantified by adjusted odds ratios estimated by piecewise logistic regression models. FINDINGS: The 30-day smoking prevalence demonstrated an upward trend [odds ratio (OR) = 1.06, 95% confidence interval (CI) = 1.02-1.10] between 2004 and 2008. Significant decline in 30-day smoking prevalence after the 2009 law implementation was observed (OR = 0.84, 95% CI = 0.71-0.99). Those living in non-city areas demonstrated a greater magnitude of change. In addition to changes in prevalence, we observed some delay in the age starting smoking, reduction in smokers who smoke fewer than one cigarette per day, and decrease in smokers who did not buy cigarettes. The decline in smoking prevalence was contributed primarily by the reduction in experimenters. CONCLUSION: The comprehensive tobacco control programme introduced in Taiwan in 2009 was associated with a reduction in adolescent smoking, particularly among those in earlier stages of smoking and those who resided in non-city areas.

Disposable income with tobacco smoking among young adolescents: a multilevel analysis.

PURPOSE: Prior studies examining the connection between disposable income and adolescent smoking often yielded mixed results, partly due to the lack of consideration for contextual variables. In the present study, we sought to broaden understanding of disposable income on adolescent smoking behaviors via both absolute and relative perspectives in the school context. METHODS: We obtained data from the 2010 Global Youth Tobacco Survey (GYTS) in Taiwan. Information concerning sociodemographics, disposable income, smoking history, and contextual smoking exposure (e.g., school) were assessed via self-report. Recent-onset smokers were defined as those who had their first cigarette within two years of the survey. Complex survey and multilevel analyses were carried out to estimate association. RESULTS: Adolescents with higher monthly disposable income were 2∼5 times more likely to start smoking and become regular smokers. Having the least disposable income in a class appeared linked with increased risk of tobacco initiation by 40% (95% confidence interval [CI]: 2%-91%). Pupils' odds to start smoking were lowered to .70 when the majority of schoolmates had low disposable income (95% CI: .51-.99). CONCLUSIONS: Adolescent risk of smoking initiation may be differentially affected by individual- and contextual-level absolute and relative disposable income. Future research is needed to delineate possible mechanisms underlying unfavorable health behaviors associated with disposable incomes in early adolescence.

Increased risk of chronic kidney disease among users of non-prescribed Chinese herbal medicine in Taiwan.

BACKGROUND: Taiwan has the highest incidence of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide. Chinese herbal medicine (CHM) has been linked to CKD/ESRD in Taiwan. The specific effects and frequency of CHM on the risk of CKD are unknown. METHODS: A hospital-based case-control study was performed from August 2006 through December 2009. The cases were consecutive nephrology outpatients 20years of age or older, with a first-time diagnosis of CKD, and without cancer or pre-existing renal disease. The controls were randomly selected outpatients that did not have CKD and were matched 1:1 to cases for age, gender and date of outpatient visit. RESULTS: Four hundred and twenty-four patients were recruited. Among 212 cases, 23.6% took non-prescribed CHM, compared to 6.6% among the controls (p<0.001). Multivariate analysis showed that illiteracy [odds ratio (OR) 6.3, 95% confidence interval (CI) 2.4-16.6], hypertension (OR 5.4, 95% CI 2.9-9.8) and occasional use of non-prescribed CHM (OR 6.2, 95% CI 1.8-21.6) were positively associated with CKD, whereas regular exercise was inversely associated with CKD (OR 0.5, 95% CI 0.3-0.9). CONCLUSION: Occasional use of non-prescribed CHM was associated with the risk of CKD in Taiwan.

Changes in smoking behavior among college students following implementation of a strict campus smoking policy in Taiwan.

OBJECTIVES: To understand the perception and responses among college students to a strict campus smoking policy which was in accordance with a national law requiring complete prohibition indoors and permission to smoke in designated outdoor smoking areas only. METHODS: This study was conducted in the third to sixth month after the implementation of the revised Tobacco Hazard Prevention Act in Taiwan. In-depth interviews were conducted with 22 smokers who were second and third year students of a college in Taiwan. Thematic analysis was used to categorize ideas into concept themes. RESULTS: In interviews, most smokers revealed some modification in their smoking behavior and attitude: they sensed that smoking was unwelcome, reduced smoking in campus, thought about quitting, and tried to avoid exposing roommates in the dormitory. The reasons cited by the students for behavior change were grouped into four major themes: a changed smoking experience, change in social norm, the respect for law, and concern for others' health. CONCLUSIONS: Implementation of a strict smoking policy in college prompted smokers to markedly reduce smoking in campus.

Asymptomatic Mongolian middle-aged women with high homocysteine blood level and atherosclerotic disease.

Growing numbers of studies have shown that hyperhomocysteinemia is an independent, modifiable risk factor for cardiovascular diseases. Hyperhomocysteinemia has been found to be negatively associated with the vitamin B group, especially folate and cobalamin. Because of the relative scarcity of fruits and vegetables in Mongolian foods, and the high cardiovascular diseases rate in Mongolia, we examined homocysteine level and its relation with atherosclerotic change in middle-aged Mongolian women. This cross-sectional study included 79 female asymptomatic residents of Ulaanbaatar, Mongolia. Besides analysis of homocysteine and chemistry tests, participants were interviewed and underwent physical and Doppler ultrasound examination of extracranial vessels. The mean homocysteine level was 9.87 +/- 3.6 micromol/l, and the 2.5th and 97.5th percentiles were 2.2 micromol/l and 19.9 micromol/l. Participants with abnormal Doppler ultrasound finding had significantly higher homocysteine levels (12.8 +/- 4.5 micromol/l vs 8.7 +/- 2.3 micomol/l, P < 0.001) and homocysteine was significantly associated with having atherosclerotic change (odds ratio 2.2, 95% confidence interval = 1.42-3.49, P < 0.001) after adjustment for age, low-density lipoprotein, diastolic blood pressure, and body mass index. Hyperhomocysteinemia was found to be significantly associated with atherosclerotic change in female Mongolian adults. Further studies are necessary to determine factors associated with homocysteine elevation among the Mongolian population.

Anti-inflammatory strategies for homocysteine-related cardiovascular disease.

Homocysteine may induce vascular damage for atherosclerosis. Vitamin/folate supplementation has been proposed to reduce the cardiovascular disease risk. Nevertheless, there is no randomized clinical trial clearly proving the efficacy of reducing the homocysteine as a means of lowering the incidence of cardiovascular disease. Homocysteine induces oxidative stress leading to endothelial dysfunction. In addition, homocysteine-induced oxidative stress favors lipid peroxidation and induces production of inflammatory factors, thus accelerating atherosclerosis. In this paper, we reviewed the available evidence concerning the association between homocysteine and cardiovascular disease, with the objective of discussing the pertinence of screening, treatment, and prevention of hyperhomocysteinemia-related cardiovascular disease. Our previous findings also indicated the significant role of mononuclear cells activation in homocysteine-induced endothelial dysfunction; treatment with statins attenuated homocysteine-induced endothelial adhesiveness, indicating the novel endothelial protection effects of statins in the presence of homocysteine. Since inflammation and oxidative stress are critical to homocysteine-induced vascular damage, the improvement of endothelial dysfunction and the inhibition of mononuclear cell activation by anti-inflammatory and/or antioxidative drugs/agents may serve as the potential therapeutic strategy for hyperhomocysteinemia-related cardiovascular disease.

Cholestin (Monascus purpureus rice) inhibits homocysteine-induced reactive oxygen species generation, nuclear factor-kappaB activation, and vascular cell adhesion molecule-1 expression in human aortic endothelial cells.

Hyperhomocysteinemia is associated with dysfunction and an independent risk factor of cardiovascular diseases. Cholestin (Monascus purpureus-fermented rice), contains a naturally-occurring statin, which has lipid-modulating and anti-inflammatory effects. We investigated the effects of Cholestin extract on the expression of vascular cell adhesion molecule-1 (VCAM-1) by homocysteine (HCY)-treated human aortic endothelial cells (HAECs). Supplement of HAECs with Cholestin extract significantly suppressed cellular binding between the human monocytic cells U937 and HCY-stimulated HAECs. Quantitative PCR and immunoblot analysis showed that Cholestin extract significantly attenuated HCY-induced expression of VCAM-1 mRNA and protein, respectively. Gel shift assays showed that Cholestin treatment reduced HCY-activated transcription factor nuclear factor-kappaB (NF-kappaB). Furthermore, Cholestin also attenuated reactive oxygen species (ROS) generation in vitro and in HCY-treated HAECs. Supplement with statins including simvastatin and parastatin gave similar results as compared with Cholestin. In conclusion, Cholestin reduces HCY-stimulated endothelial adhesiveness as well as downregulating intracellular ROS formation, NF-kappaB activation, and VCAM-1 expression in HAECs, supporting the notion that the natural compound Cholestin may have potential implications in clinical atherosclerosis disease.