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Nevin Manimala Statistics

Violations of International Code of Breast-milk Substitutes (BMS) in commercial settings and media in Bangladesh

Matern Child Nutr. 2022 Mar 21:e13351. doi: 10.1111/mcn.13351. Online ahead of print.

ABSTRACT

The International Code of Marketing of Breast-milk Substitutes (BMS) instituted to protect breastfeeding against unethical marketing, has been adopted by many countries, including Bangladesh. Despite national adoption, evidence suggests violations occur and inadequate BMS Code implementation is an issue. The study aimed to assess violations of the International BMS Code and the national ‘Breast-milk Substitutes, Infant Foods, Commercially Manufactured Complementary Foods and the Accessories Thereof (Regulation of Marketing) Act, 2013’ of Bangladesh in commercial settings (retail outlets and media) in Bangladesh, for different types of milk, bottles, and teats using a standardized Network for Global Monitoring and Support for Implementation of the Code and Subsequent relevant World Health Assembly Resolutions (NetCode) protocol. This cross-sectional quantitative study was conducted in Bangladesh from January to September 2018 in Dhaka, Chattogram, and Sylhet cities. Descriptive statistics were reported and χ2 tests were conducted to assess differences between categorical variables of interest. Data were analysed using SPSS version 20. In retail outlets, there were higher proportion of violations observed in Dhaka than in Sylhet and Chattogram (p < 0.001). Significantly greater proportion of violations in product labels occurred among products sold without local distributors compared to others (p < 0.05); violations were higher among “other milk” for children aged 0 to <36 months compared to formulas and growing-up milk (p < 0.05). Among media channels, internet clips had significantly higher proportions of violations compared to television, radio and newspaper (p < 0.001). BMS Code violations were prevalent in product labels and promotion of products through retail outlets. The study findings highlight the need for specific multisectoral strategies for better enforcement of BMS Code and points to the need for periodic assessment of Code violations.

PMID:35313083 | DOI:10.1111/mcn.13351

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Nevin Manimala Statistics

Effectiveness and types of interventions to reduce mental illness-related stigma among Medical university students: A literature review (1997-2020)

Actas Esp Psiquiatr. 2022 Mar;50(2):106-113. Epub 2022 Mar 1.

ABSTRACT

There is a high prevalence of stigma among medical students towards mental illness, which can have far reaching negative consequences. It is essential to intervene and modify their preconceptions in order to fight against stigma.

PMID:35312996

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Nevin Manimala Statistics

The Under-representation and Stagnation of Female, Black, and Hispanic Authorship in the Journal of the American Medical Association and the New England Journal of Medicine

J Racial Ethn Health Disparities. 2022 Mar 21. doi: 10.1007/s40615-022-01280-z. Online ahead of print.

ABSTRACT

Publication in leading medical journals is critical to knowledge dissemination and academic advancement alike. Leveraging a novel dataset comprised of nearly all articles published in JAMA and NEJM from 1990 to 2020, along with established reference works for name identification, we explore changing authorship demographics in two of the world’s leading medical journals. Our main outcomes are the annual proportion of male and female authors and the proportion of racial/ethnic identities in junior and senior authorship positions for articles published in JAMA and NEJM since 1990. We found that women remain under-represented in research authorship in both JAMA (at its peak, 38.1% of articles had a female first author in 2011) and NEJM (peaking at 28.2% in 2002). The rate of increase is so slow that it will take more than a century for both journals to reach gender parity. Black and Hispanic researchers have likewise remained under-represented as first and last authors in both journals, even using the best-case scenario. Their appearance as authors has remained stagnant for three decades, despite attention to structural inequalities in medical academia. Thus, analysis of authorship demographics in JAMA and NEJM over the past three decades reveals the existence of inequalities in high-impact medical journal authorship. Gender and racial/ethnic disparities in authorship may both reflect and further contribute to disparities in academic advancement.

PMID:35312972 | DOI:10.1007/s40615-022-01280-z

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Nevin Manimala Statistics

Correction to: Response to the Letter to the Editor by Koneswarakantha and Ménard

Ther Innov Regul Sci. 2022 Mar 21. doi: 10.1007/s43441-022-00399-9. Online ahead of print.

NO ABSTRACT

PMID:35312989 | DOI:10.1007/s43441-022-00399-9

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Nevin Manimala Statistics

Customizable Angioplasty Balloon-Forming Machine: Towards Precision Medicine in Coronary Bifurcation Lesion Interventions

J Cardiovasc Transl Res. 2022 Mar 21. doi: 10.1007/s12265-022-10229-w. Online ahead of print.

ABSTRACT

The ability to customize the size and shape of angioplasty balloons may be useful in many clinical and research applications of coronary and endovascular intervention. Fully customizable balloons are outside the reach of most researchers due to their prohibitive cost. A small-scale balloon-forming machine was developed to produce fully customizable balloons. This study describes the creation of this customizable balloon-forming machine and identifies the key components of manufacturing a patient-specific balloon. Using a standard balloon-shaped mold created with a novel application of 3D stereolithography-printed resin, 104 PET balloon formation tests were conducted. A statistical study was conducted in which molding temperature and inflation air pressure were independent variables ranging from 100 to 130 °C and from 3.7 to 6.8 atm, respectively. The criteria for balloon-forming success were defined; pressure and temperature combined were found to have a significant impact on the success (p = 0.011), with 120 °C and 4.76 atm resulting in the highest chance for success based on a regression model.

PMID:35312960 | DOI:10.1007/s12265-022-10229-w

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Nevin Manimala Statistics

Comparison the Effect of Pain Neuroscience and Pain Biomechanics Education on Neck Pain and Fear of Movement in Patients with Chronic Nonspecific Neck Pain During the COVID-19 Pandemic

Pain Ther. 2022 Mar 21. doi: 10.1007/s40122-022-00371-3. Online ahead of print.

ABSTRACT

INTRODUCTION: Self-management education is the basis of any intervention for persons with chronic musculoskeletal pain. Given the biopsychosocial nature of chronic musculoskeletal pain, an educational approach based on the biopsychosocial model would seem to be an appropriate educational model for the treatment of these people during coronavirus disease 2019 (COVID-19). The aim of this study was to compare the effect of pain neuroscience education (PNE) and pain biomechanics education, using online and face-to-face sessions on pain and fear of movement, in people with chronic nonspecific neck pain during COVID-19.

METHODS: In this multicenter assessor-blinded randomized controlled trial, 80 patients (both male and female) with chronic nonspecific neck pain (based on the inclusion criteria of the study) participated in educational sessions (face-to-face and online) from the beginning September until the end of October 2021. The participants were randomly divided into two groups (through the selection of numbers from 1 to 80, hidden in a box), with one group receiving PNE (treatment group) and the other group receiving pain biomechanics education (control group). Pain and fear of movement before and after the intervention were measured on the Numerical Pain Rating Scale and the Tampa Scale of Kinesiophobia, respectively. A 2 × 2 variance analysis (treatment group × time) with a mixed-model design was applied to statistically analyze the data.

RESULTS: No significant change in pain (P = 0.23) was observed between the two groups (P = 0.24, Cohen’s d = 0.17, 95% confidence interval [CI] – 0.21 to 0.35), while changes in the fear of movement variable were reported to be significant (P = 0.04, Cohen’s d = 0.34, 95% CI 0.11-0.51), in favor of PNE. Intra-group change was seen only in the PNE group for the fear of movement variable (P = 0.04; 14.28%↓).

CONCLUSION: In our study population PNE did not affect the pain index, leading to the conclusion that PNE should not be used as the only treatment, but possibly in combination with other active/passive therapy to enhance the results for patients with nonspecific chronic neck pain. Moreover, online treatment may help clinicians to increase their interaction with patients during COVID-19 lockdown.

PMID:35312949 | DOI:10.1007/s40122-022-00371-3

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Probiotics ameliorates LPS induced neuroinflammation injury on Aβ 1-42, APP, γ-β secretase and BDNF levels in maternal gut microbiota and fetal neurodevelopment processes

Metab Brain Dis. 2022 Mar 21. doi: 10.1007/s11011-022-00964-z. Online ahead of print.

ABSTRACT

The gut microbiota influences brain development and functioning through the gut-brain axis. This is first study regulate maternal gut microbiota and fetal neurodevelopment processes by using probiotics such as Bifidobacterium bifidum (BIF) and Lactobacillus salivarius (LAC) in the prenatal period. In this study, Wistar Albino female rats were divided into five groups; Control, lipopolysaccharide (LPS, 100 µg/kg), LPS + LAC, LPS + BIF and LPS + LAC + BIF (4 × 109 ml CFU). Maternal rats were given probiotics for 21 days. Inflammation was induced by lipopolysaccharide (LPS), on the 17th day of pregnancy. After birth, the brain tissues of the maternal and neonatal rats were removed and their blood was collected. Fecal calprotectin levels of pregnant rats were measured as an important biomarker in determining intestinal flora disruption. Calprotectin levels were high in LPS group (p < 0.05). Aβ 1-42, APP, γ secretase and β- secretase levels were higher in both maternal and neonatal LPS groups (p < 0.05). These levels were statistically decreased in the probiotic groups compared to the LPS group, as demonstrated in both biochemical and histological analyzes (p < 0.05). While BDNF mRNA expression decreased in LPS groups, APP level increased in the same group. The difference between groups in mRNA expressions in the neonatal brain tissues was similar to maternal brain tissues. What’s more, BDNF/actin and APP/actin rates were proven by western blot and the damage caused by neuroinflammation in the brain tissue and the preservation of the intestinal microbiota were visualized histopathologically on the morphological structures in all groups. It will shed light on new therapeutic strategies for the impact of the use of probiotics on the neurodevelopmental processes of the neonatal against LPS-induced inflammatory responses and impaired gut microbiota in the prenatal period.

PMID:35312928 | DOI:10.1007/s11011-022-00964-z

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Impact of acid mine drainage on groundwater hydrogeochemistry at a pyrite mine (South China): a study using stable isotopes and multivariate statistical analyses

Environ Geochem Health. 2022 Mar 21. doi: 10.1007/s10653-022-01242-8. Online ahead of print.

ABSTRACT

Combining environmental isotope analysis with principal component analysis can be an effective method to discriminate the inflows and sources of contamination in mining-affected watersheds. This paper presents a field-scale study conducted at an acid mine drainage (AMD)-contaminated site adjacent to a pyrite mine in South China. Samples of surface water and groundwater were collected to investigate transport in the vadose zone using stable isotopes of oxygen (δ18O) and hydrogen (δD) as environmental tracers. Principal component analysis of hydrogeochemical data was used to identify the probable sources of heavy metals in the AMD. The heavy metal pollution index (HPI) was applied to evaluate the pollution status of heavy metals in the groundwater. The groundwater associated with the Datai reservoir was recharged by atmospheric precipitation and surface water. On the side near the AMD pond, the groundwater was significantly affected by the soluble metals produced by pyrite oxidation. The concentrations of some metals (Al, Mn, and Pb) in all of the samples exceed the desirable limits prescribed by the World Health Organization (Guidelines for drinking-water quality, 4th edn. World Health Organization, Geneva, 2011). Among them, the concentration of Al is more than 30,000 times higher than the desirable limits prescribed by the World Health Organization (2011), and the concentration of Mn is more than 3000 times higher. The HPI values based on these heavy metal concentrations were found to be 10-1000 times higher than the critical pollution index value of 100. These findings provide a reference and guidance for research on the migration and evolution of heavy metals in vadose zone water in AMD-contaminated areas.

PMID:35312930 | DOI:10.1007/s10653-022-01242-8

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Work stress and loss of years lived without chronic disease: an 18-year follow-up of 1.5 million employees in Denmark

Eur J Epidemiol. 2022 Mar 21. doi: 10.1007/s10654-022-00852-x. Online ahead of print.

ABSTRACT

We aimed to examine the association between exposure to work stress and chronic disease incidence and loss of chronic disease-free life years in the Danish workforce. The study population included 1,592,491 employees, aged 30-59 in 2000 and without prevalent chronic diseases. We assessed work stress as the combination of job strain and effort-reward imbalance using job exposure matrices. We used Cox regressions to estimate risk of incident hospital-diagnoses or death of chronic diseases (i.e., type 2 diabetes, coronary heart disease, stroke, cancer, asthma, chronic obstructive pulmonary disease, heart failure, and dementia) during 18 years of follow-up and calculated corresponding chronic disease-free life expectancy from age 30 to age 75. Individuals working in occupations with high prevalence of work stress had a higher risk of incident chronic disease compared to those in occupations with low prevalence of work stress (women: HR 1.04 (95% CI 1.02-1.05), men: HR 1.12 (95% CI 1.11-1.14)). The corresponding loss in chronic disease-free life expectancy was 0.25 (95% CI – 0.10 to 0.60) and 0.84 (95% CI 0.56-1.11) years in women and men, respectively. Additional adjustment for health behaviours attenuated these associations among men. We conclude that men working in high-stress occupations have a small loss of years lived without chronic disease compared to men working in low-stress occupations. This finding appeared to be partially attributable to harmful health behaviours. In women, high work stress indicated a very small and statistically non-significant loss of years lived without chronic disease.

PMID:35312925 | DOI:10.1007/s10654-022-00852-x

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Understanding the Cu(2+) adsorption mechanism on activated carbon using advanced statistical physics modelling

Environ Sci Pollut Res Int. 2022 Mar 21. doi: 10.1007/s11356-022-19795-7. Online ahead of print.

ABSTRACT

Adsorption modeling via statistical physics theory allows to understand the adsorption mechanism of heavy metal ions. Therefore, this paper reports the analysis of the mechanism of copper ion (Cu2+) adsorption on four activated carbons using statistical physics models. These models contain parameters that were utilized to provide new insights into the possible adsorption mechanism at the molecular scale. In particular, a monolayer adsorption model was the best alternative to correlate the Cu2+ adsorption data at 25-55 °C and pH 5.5. Furthermore, the application of this model for copper adsorption data analysis showed that the removal of this heavy metal ion was a multi-cationic process. This theoretical finding indicated that Cu2+ ions interacted via one functional group of activated carbon surface during adsorption. In this direction, the adsorption energy was calculated thus showing that Cu2+ removal was endothermic and associated with physical interaction forces. Furthermore, these activated carbons showed saturation adsorption capacities from 54.6 to 87.0 mg/g for Cu2+ removal, and their performances outperformed other adsorbents available in the literature. Overall, these results provide new insights of the adsorption mechanism of this water pollutant using activated carbons.

PMID:35312916 | DOI:10.1007/s11356-022-19795-7