9 results on '"Sitthideth, Dalaphone"'
Search Results
2. A Predictive Model for Thiamine Responsive Disorders Among Infants and Young Children: Results from a Prospective Cohort Study in Lao People's Democratic Republic
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Smith, Taryn J., Arnold, Charles D., Fischer, Philip R., Trehan, Indi, Hiffler, Laurent, Sitthideth, Dalaphone, Stein-Wexler, Rebecca, Yeh, Jay, Jones, Kerry S., Hampel, Daniela, Tancredi, Daniel J., Schick, Michael A., McBeth, Christine N., Tan, Xiuping, Allen, Lindsay H., Sayasone, Somphou, Kounnavong, Sengchanh, and Hess, Sonja Y.
- Published
- 2024
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3. Effects of Daily Zinc, Daily Multiple Micronutrient Powder, or Therapeutic Zinc Supplementation for Diarrhea Prevention on Physical Growth, Anemia, and Micronutrient Status in Rural Laotian Children: A Randomized Controlled Trial
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Barffour, Maxwell A., Hinnouho, Guy-Marino, Kounnavong, Sengchanh, Wessells, K. Ryan, Ratsavong, Kethmany, Bounheuang, Bangone, Chanhthavong, Bigphone, Sitthideth, Dalaphone, Sengnam, Khanpaseuth, Arnold, Charles D., Brown, Kenneth H., and Hess, Sonja Y.
- Published
- 2019
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4. Risk factors for anaemia among women and their young children hospitalised with suspected thiamine deficiency in northern Lao PDR.
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Hess, Sonja Y., Smith, Taryn J., Sitthideth, Dalaphone, Arnold, Charles D., Tan, Xiuping, Jones, Kerry S., Brown, Kenneth H., Alayon, Silvia, and Kounnavong, Sengchanh
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STATISTICS ,HOSPITAL patients ,HEMOGLOBINS ,MULTIPLE regression analysis ,FOOD security ,DIET ,RISK assessment ,SOCIOECONOMIC factors ,ANEMIA ,VITAMIN B1 deficiency ,DISEASE prevalence ,DESCRIPTIVE statistics ,RESEARCH funding ,BODY mass index ,PRENATAL care ,IRON deficiency anemia ,MICRONUTRIENTS ,VITAMIN B2 deficiency ,WOMEN'S health ,NUTRITIONAL status ,SECONDARY analysis ,DISEASE risk factors ,CHILDREN - Abstract
Anaemia among women and young children remains a major public health concern. This secondary study describes the anaemia prevalence among young hospitalised children and their mothers in northern Lao People's Democratic Republic and explores possible nutritional causes and risk factors for anaemia. Hospitalised children (ages 21 days to <18 months) with clinical symptoms suggestive of thiamine deficiency disorders were eligible along with their mothers. Venous blood was collected for determination of haemoglobin, ferritin, soluble transferrin receptor (sTfR), retinol‐binding protein (RBP), erythrocyte glutathione reductase activation coefficient (EGRac), thiamine diphosphate (ThDP) and acute phase proteins. Risk factors for anaemia were modelled using minimally adjusted logistic regression controlling for age. Haemoglobin results were available for 436 women (mean ± SD age 24.7 ± 6.4 years; 1.6% pregnant) and 427 children (4.3 ± 3.5 months; 60.3% male). Anaemia prevalence (Hb < 120 g/L for nonpregnant women and <110 g/L for pregnant women and children) was 30.7% among women and 55.2% among children. In bivariate analyses, biomarkers significantly associated with anaemia in women were ferritin, sTfR, RBP, EGRac and ThDP. Other risk factors for women were lower BMI, mid‐upper arm circumference < 23.5 cm, lower education, lower socioeconomic index, food insecurity, Hmong ethnicity, not/rarely having attended antenatal care, not having taken antenatal iron‐containing supplements and not meeting minimum dietary diversity. Risk factors for anaemia among children were older age, male sex, stunting, sTfR, ThDP and alpha‐1‐acid‐glycoprotein. Anaemia was common among women and their hospitalised children and was associated with micronutrient deficiencies and socioeconomic, dietary and health care‐seeking risk factors, suggesting that multiple strategies are required to prevent anaemia among women and children. Key messages: Anaemia is a public health concern among women and young children due to multiple causes and biological, socioeconomic and ecological risk factors.Anaemia was assessed among women and their young children hospitalised for clinical signs and symptoms suggestive of thiamine deficiency disorders. The risk of anaemia was significantly associated with multiple indicators of micronutrient status and factors related to poverty and health and dietary practices.The present study highlights that anaemia and iron, thiamine, riboflavin and vitamin A deficiencies are highly prevalent in the study population and that multiple strategies are required to prevent anaemia and the other consequences of these micronutrient deficiencies. [ABSTRACT FROM AUTHOR]
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- 2024
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5. Traditional prenatal and postpartum food restrictions among women in northern Lao PDR.
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Smith, Taryn J., Tan, Xiuping, Arnold, Charles D., Sitthideth, Dalaphone, Kounnavong, Sengchanh, and Hess, Sonja Y.
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FOOD habits ,DIET in disease ,CULTURE ,STATISTICS ,FOOD security ,MULTIVARIATE analysis ,MULTIPLE regression analysis ,INGESTION ,INTERVIEWING ,DIET therapy ,SOCIOECONOMIC factors ,T-test (Statistics) ,PUERPERIUM ,MATERNAL age ,VITAMIN B1 deficiency ,QUESTIONNAIRES ,DESCRIPTIVE statistics ,CHI-squared test ,BREASTFEEDING ,RESEARCH funding ,PRENATAL care ,ETHNIC groups ,MICRONUTRIENTS ,CLUSTER analysis (Statistics) ,STATISTICAL correlation ,DATA analysis software ,WOMEN'S health ,LONGITUDINAL method ,MOTHER-child relationship ,SECONDARY analysis - Abstract
Culturally determined food restrictions are common among pregnant and postpartum women in Asia. This study aimed to describe perinatal dietary restrictions, factors associated with food avoidances and attainment of minimum dietary diversity (MDD‐W) among women in Lao PDR. Mother–child (aged 21 days to <18 months) dyads (n = 682) were enrolled into a cohort study in northern Lao PDR and interviewed at one time point postpartum. During pregnancy and postpartum, 1.6% and 97% of women reported following dietary restrictions, respectively. Cluster analysis identified four distinct postpartum dietary patterns: most restrictive (throughout first 2 months postpartum); least restrictive; 2 weeks highly restrictive and 1 month highly restrictive, followed by 19%, 15%, 5% and 62% of women, respectively. Greater maternal age, gravidity and higher household socioeconomic status were associated with allowing more diverse foods, while women from food insecure households followed more restrictive diets for longer. Women belonging to the Hmong ethnic group followed a highly restrictive diet of white rice and chicken for the first month postpartum. MDD‐W was achieved by 10% of women restricting their diet at the time of the interview compared with 17% of women who were consuming their normal diet (p = 0.04). Postpartum dietary restrictions are widespread among women in northern Lao PDR. These highly restrictive diets, low dietary diversity and food insecurity likely contribute to micronutrient deficiencies in women that may have important consequences for their breastfed infants through reduced breastmilk micronutrient content, which requires further exploration. Culturally appropriate strategies to increase micronutrient intakes among women should be considered. [ABSTRACT FROM AUTHOR]
- Published
- 2022
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6. Strategies to Increase Micronutrient Intakes Among Laotian Women Adhering to Traditional Postpartum Dietary Restrictions
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Smith, Taryn, Tan, Xiuping, Arnold, Charles, Sitthideth, Dalaphone, Kounnavong, Sengchanh, and Hess, Sonja
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- 2021
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7. Establishing a case definition of thiamine responsive disorders among infants and young children in Lao PDR: protocol for a prospective cohort study.
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Hess, Sonja Y., Smith, Taryn J., Fischer, Philip R., Trehan, Indi, Hiffler, Laurent, Arnold, Charles D., Sitthideth, Dalaphone, Tancredi, Daniel J., Schick, Michael A., Yeh, Jay, Stein-Wexler, Rebecca, McBeth, Christine N., Xiuping Tan, Kouyang Nhiacha, and Sengchanh Kounnavong
- Abstract
Introduction Diagnosis of infantile thiamine deficiency disorders (TDD) is challenging due to the non-specific, highly variable clinical presentation, often leading to misdiagnosis. Our primary objective is to develop a case definition for thiamine responsive disorders (TRD) to determine among hospitalised infants and young children, which clinical features and risk factors identify those who respond positively to thiamine administration. Methods and analysis This prospective study will enrol 662 children (aged 21 days to <18 months) seeking treatment for TDD symptoms. Children will be treated with intravenous or intramuscular thiamine (100 mg daily for a minimum of 3 days) alongside other interventions deemed appropriate. Baseline assessments, prior to thiamine administration, include a physical examination, echocardiogram and venous blood draw for the determination of thiamine biomarkers. Follow-up assessments include physical examinations (after 4, 8, 12, 24, 36, 48 and 72 hours), echocardiogram (after 24 and 48 hours) and one cranial ultrasound. During the hospital stay, maternal blood and breast-milk samples and diet, health, anthropometric and socio-demographic information will be collected for mother–child pairs. Using these data, a panel of expert paediatricians will determine TRD status for use as the dependent variable in logistic regression models. Models identifying predictors of TRD will be developed and validated for various scenarios. Clinical prediction model performance will be quantified by empirical area under the receiver operating characteristic curve, using resampling cross validation. A frequency-matched community-based cohort of mother–child pairs (n=265) will serve as comparison group for evaluation of potential risk factors for TRD. Ethics and dissemination Ethical approval has been obtained from The National Ethics Committee for Health Research, Ministry of Health, Lao PDR and the Institutional Review Board of the University of California Davis. The results will be disseminated via scientific articles, presentations and workshops with representatives of the Ministry of Health. [ABSTRACT FROM AUTHOR]
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- 2020
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8. Effects of therapeutic zinc supplementation for diarrhea and two preventive zinc supplementation regimens on the incidence and duration of diarrhea and acute respiratory tract infections in rural Laotian children: A randomized controlled trial.
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Barffour, Maxwell A, Hinnouho, Guy-Marino, Wessells, K Ryan, Kounnavong, Sengchanh, Ratsavong, Kethmany, Sitthideth, Dalaphone, Bounheuang, Bangone, Sengnam, Khanpaseuth, Chanhthavong, Bigphone, Arnold, Charles D, Brown, Kenneth H, Larson, Charles P, and Hess, Sonja Y
- Abstract
Background: Diarrhea and respiratory tract infections are leading causes of childhood morbidity and mortality. This individually randomized, double-blind placebo-controlled trial was designed to evaluate the effects of different zinc supplementation regimens on the incidence and duration of diarrhea and acute lower (ALRI) and upper (AURI) respiratory tract infections among rural Laotian children. The study included 3407 children, 6-23 months at enrollment.Methods: Children were randomized to one of four study groups: therapeutic zinc supplements for diarrhea treatment (20 mg/d for 10 days with each episode; TZ), daily preventive zinc tablets (7 mg/d; PZ), daily multiple micronutrient powder (10 mg/d zinc, 6 mg/d iron and 13 other micronutrients; MNP), or daily placebo powder for 9 months. Incidence and duration of diarrhea (≥3 liquid stools/24 hours), ALRI (persistent cough with wheezing, stridor or chest in-drawing) and AURI (purulent nasal discharge with cough) were assessed by parental report during weekly home visits and analyzed using negative binomial models.Results: Baseline mean age was 14.2 ± 5.1 months, and 71% had low plasma zinc (<65 μg/dL). Overall diarrhea incidence (0.61 ± 0.01 episodes/100 days at risk) and duration (2.12 ± 0.03 days/episode) did not differ by study group. Age modified the impact of the interventions on diarrhea incidence (P = 0.06) and duration (P = 0.01). In children >18 months, TZ reduced diarrhea incidence by 24% vs MNP (P = 0.035), and 36% vs Control (P = 0.004), but there was no difference with PZ. This patterned remained when analyses were restricted to diarrhea episode occurring after the first treatment with TZ. Also, in children >18 months, TZ reduced diarrhea duration by 15% vs PZ (P = 0.03), and 16% vs Control (P = 0.03), but there was no difference with MNP. There were no overall effects of study group on incidence of ALRI (overall mean 0.005 ± 0.001 episodes/100 days, P = 0.14) or AURI (overall mean 0.09 ± 0.01 episodes/100 days, P = 0.72).Conclusions: There was no overall impact of TZ, PZ or MNP on diarrhea, ALRI and AURI. However, in children >18 months, TZ significantly reduced both the duration of diarrhea episodes and the incidence of future diarrhea episodes compared with placebo.Trial Registration: ClinicalTrials.gov: NCT02428647. [ABSTRACT FROM AUTHOR]- Published
- 2020
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9. Nutrition and health-seeking practices during pregnancy and lactation and potential strategies to increase micronutrient intakes among women in northern Lao PDR.
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Smith TJ, Sitthideth D, Tan X, Arnold CD, Kounnavong S, and Hess SY
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- Humans, Animals, Female, Pregnancy, Prospective Studies, Laos, Lactation, Eating, Ethnicity, Minority Groups
- Abstract
Access to and utilisation of antenatal care (ANC) is important for optimising health and nutrition during pregnancy. This study aimed to assess adherence to and factors associated with ANC and antenatal supplement use among Laotian women, and consider culturally appropriate strategies to increase micronutrient intakes. Mother-child (aged 21 d to <18 months) dyads ( n 699) enrolled in a hospital-based prospective cohort study with the community comparison group in Luang Prabang province were interviewed about their antenatal history, supplement use, household sociodemographic and dietary practices, including postpartum food avoidances. Ninety percent of women (mean age 24⋅7 ± 6⋅3 years) reported receiving ANC during their pregnancy, with the majority reporting four to seven contacts, while 84⋅6 and 17⋅3 % reported supplement use during pregnancy and lactation, respectively. Adequate ANC contacts (≥8) and supplement use was more likely among women with complete primary education and from higher socioeconomic status households, and less likely among women belonging to ethnic minority populations and those who delivered their child at home. All women continued to consume salt while adhering to postpartum food avoidances; however, 58⋅5 and 38⋅7 % of habitual consumers restricted fish and soy sauces, respectively. Eighty-six percent of women reported they would be willing to take supplements when adhering to postpartum dietary restrictions. Overall, women's reported ANC attendance and antenatal supplement use was suboptimal. Understanding predictors of and barriers to ANC and supplement use may help implement effective public health strategies to improve adherence. Alongside targeted supplementation, salt fortification with micronutrients may be a viable population-wide intervention that needs further evaluation., (© The Author(s) 2022.)
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- 2022
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