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Nevin Manimala Statistics

A comparison of the effectiveness of standard anterior bracket placement versus smile arc protection method: A randomized clinical trial

J World Fed Orthod. 2025 Mar 11:S2212-4438(25)00001-3. doi: 10.1016/j.ejwf.2025.01.001. Online ahead of print.

ABSTRACT

OBJECTIVES: This randomized two-arm parallel trial aimed to compare the effectiveness of standard anterior bracket positioning with the smile arc protection (SAP) method in terms of occlusal and smile morphometric indices, and perceived post-treatment smile aesthetics.

METHODS: Patients needing nonextraction orthodontic treatment were randomly assigned to either the SAP or standard bracket placement group. Inclusion criteria were ages 11 to 25 years, nonextraction treatment, and good oral hygiene, all treated using the Roth 0.018 system. Primary outcomes assessed occlusal and smile morphometric changes using cephalograms, study models, and photographs. Perceived smile aesthetics was evaluated with the Visual Analogue Scale (VAS). Statistical analyses included independent t-tests, paired t-tests, Mann-Whitney U test, Wilcoxon signed rank test, and analysis of covariance.

RESULTS: Forty-two patients (mean age, 19.5 ± 5.5) were randomized evenly between the SAP and standard groups. Baseline characteristics were similar, and one patient from the SAP group was excluded. No significant differences were found between the groups for occlusal and smile morphometric variables before and after treatment (P > 0.05). Post-treatment, the smile arc significantly improved in the SAP group compared to both the standard method (P = 0.005) and its pretreatment state (P = 0.005). VAS scores from orthodontists and laypersons showed no significant differences (P > 0.05), but general dentists rated the SAP group’s smiles as more attractive (P = 0.002).

CONCLUSIONS: The SAP method was more effective in achieving a consonant smile arc than conventional bracket positioning. While other occlusal and morphometric changes showed no significant differences, general dentists found the SAP group’s smiles more attractive. Further research is needed to confirm these results.

REGISTRATION: The research was registered in the Iranian Registry of Clinical Trials (IRCT) database with the identification code IRCT20220108053669N3.

PMID:40074606 | DOI:10.1016/j.ejwf.2025.01.001

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Nevin Manimala Statistics

Atrial fibrillation development in the heart failure population from nationwide British linked electronic health records

ESC Heart Fail. 2025 Mar 12. doi: 10.1002/ehf2.15264. Online ahead of print.

ABSTRACT

AIMS: Atrial fibrillation (AF) is a frequent comorbidity in heart failure (HF). We analysed factors associated with new-onset atrial fibrillation in patients with heart failure using linked real-world UK data from primary and secondary care, along with findings from genome-wide association studies.

METHODS AND RESULTS: Among 163 174 participants with a diagnosis of HF (January 1998 to May 2016) from Clinical Practice Research Datalink (CPRD) and Hospital Episodes Statistics (HES), 111 595 participants had no previous history of AF (mean age 76.3 ± 12.6; 50.3% women; 95.8% white ethnicity). Multivariate weighted Cox regression was used to identify predictors for new-onset AF. Linkage disequilibrium score regression was performed to assess the strength of the genetic correlation between AF and identified predictors. During follow-up (median 1.33 years, IQR 0.15-4.18), the incidence rate for AF was 2.8% at 30 days, 9.9% at 1 year, 18.0% at 3 years, and 24.9% at 5 years after HF diagnosis after HF diagnosis. Female sex (HR = 0.79, 95% CI 0.71-0.88), age (HR = 1.04, 95% CI 1.04-1.04), white ethnicity (HR = 1.30, 95% CI 1.06-1.59), social deprivation (HR = 1.20, 95% CI 1.01-1.42), BMI (HR = 1.01, 95% CI 1.00-1.02), gentle physical activity (HR = 0.84, 95% CI 0.72-0.97), hypertension (HR = 1.15, 95% CI 1.03-1.29), chronic kidney disease (HR = 1.15, 95% CI 1.06-1.24), chronic obstructive pulmonary disease (COPD) (HR = 1.10, 95% CI 1.01-1.19) and valvular heart disease (HR = 1.17, 95% CI 1.06-1.29) were associated with new-onset AF. Angiotensin-converting enzyme inhibitors were associated with lower AF incidence (HR = 0.88, 95% CI 0.80-0.96), and the magnitude of effect was dependent on the duration of administration. Linkage disequilibrium score regression showed important genetic correlation between AF and HF (rg = 0.57, P = 2.30 × 10-59) and reduced, but still significant, overlap between AF and BMI (rg = 0.19, P = 6.18 × 10-20), systolic and diastolic blood pressure, smoking, and COPD (P values ranging from <10-4 to <0.05).

CONCLUSIONS: Incident AF in the HF population is high, with good genetic correlation for the two conditions. Identified predictors for new-onset AF might be helpful to improve management of HF patients and AF prevention.

PMID:40074560 | DOI:10.1002/ehf2.15264

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Nevin Manimala Statistics

Effect of implementing training programme for nurses about care bundle on prevention of ventilator-associated pneumonia among newborns

Nurs Crit Care. 2025 Mar;30(2):e70000. doi: 10.1111/nicc.70000.

ABSTRACT

BACKGROUND: Ventilator-associated pneumonia (VAP) is a frequent and severe complication among newborns in neonatal intensive care units (NICUs). It is associated with elevated morbidity and mortality rates, more extended hospital stays and increased health care costs. Implementing preventive care bundles and structured sets of evidence-based practices reduces VAP incidence. As primary caregivers, nurses are critical in consistently applying these preventive measures in NICU settings.

AIM: To evaluate the impact of a structured training programme on nurses’ practices in the prevention of VAP among ventilated newborns in NICUs.

STUDY DESIGN: This prospective, pre- and post-intervention study was conducted with 27 nurses caring for mechanically ventilated newborns. All newborns admitted to the NICU who met inclusion criteria were included in the study (34 newborns pre-intervention, 38 newborns post-intervention and 41 newborns 3 months after the intervention).

RESULTS: The results indicate significantly improved nurses’ practices for VAP prevention across the core, equipment-related general measures, with total mean scores increasing from 50.67% (95% CI: 44.30-56.92) pre-programme to 89.26% (95% CI: 85.68-92.84) immediately post-programme and 73.33% (95% CI: 67.79-78.88) after 3 months (p < .001). Before the programme, 85.3% of newborns developed VAP. However, this dropped dramatically to just 10.5% immediately after the programme, with a relative risk of 0.123 (95% CI: 0.046-0.328, p < .001). Even 3 months later, the rates remained much lower at 19.5% than before the programme, with a relative risk of 0.228 (95% CI: 0.117-0.445, p < .001). Multivariate logistic regression showed that only overall nurses’ practices remained statistically significant in reducing VAP risk (OR = 0.819, 95% CI: 0.728-0.920, p = .001) after adjusting for confounders. Prolonged ventilation and individual components of nursing practices were not significant in the multivariate model.

CONCLUSIONS: This study demonstrates that a structured educational programme can significantly enhance nurses’ adherence to VAP preventive practices and reduce VAP incidence. Regular training initiatives are crucial for sustaining high care standards, thereby improving neonatal patient health care outcomes.

RELEVANCE TO CLINICAL PRACTICE: Newborns in the neonatal intensive care unit (NICU) are at a higher risk of developing ventilator-associated pneumonia (VAP) because of their fragile immune systems, the need for mechanical ventilation and prolonged hospital stays. VAP can lead to severe complications, including increased morbidity, mortality and long-term health issues. Training NICU nurses on VAP prevention care bundles is crucial for improving neonatal care, reducing preventable infections and optimizing clinical outcomes in a highly vulnerable neonatal population. It supports evidence-based practice, enhances nurse competence and contributes to the overall quality of care in neonatal intensive care settings. As a result, implementing such a training programme should be a top priority in NICU clinical practice.

PMID:40074557 | DOI:10.1111/nicc.70000

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Nevin Manimala Statistics

Identifying promising peptide targets for leprosy serological tests: From prediction to ELISA

J Genet Eng Biotechnol. 2025 Mar;23(1):100475. doi: 10.1016/j.jgeb.2025.100475. Epub 2025 Mar 5.

ABSTRACT

Leprosy remains a significant health concern, particularly in India, Brazil, and Indonesia. Early diagnosis is essential to prevent complications, highlighting the need for improved diagnostic tools. This study aimed to identify novel Mycobacterium leprae antigens and assess their effectiveness against human sera through immunotools for antibody response evaluation. Using bioinformatics, we predicted B-cell epitopes in M. leprae, which were chemically synthesized and tested via dot blotting with sera from leprosy patients, tuberculosis patients, and healthy controls. Promising peptides underwent further analysis through ELISA using 465 serum samples from leprosy patients, household contacts, and healthy controls across Brazil. The samples were also tested against known antigens HSA-NDO, LID-1, and NDO-LID. A total of 102 epitope sequences were generated, of which eight (PEP1 to PEP8) demonstrated the ability to differentiate between individuals with and without exposure to M. leprae. The results of the ELISA test exhibited statistically significant differences in absorbance responses between the experimental groups for the novel synthetic peptides (p < 0.05). PEP3, PEP4, and PEP5 demonstrated the most favorable outcomes, with values of the area under the receiver operating characteristic curve (AUC) of 0.9759, 0.9796 and 0.9551 respectively in the comparison of healthy controls with household contacts, and 0.8257, 0.7945, and 0.7961 comparing the same controls with patients. Furthermore, the synthetic peptides demonstrated superior sensitivity, specificity, and AUC compared to HSA-NDO, LID-1, and NDO-LID. The identified peptides showed significant responses in samples from patients and household contacts (HHC), indicating their potential for tracing exposure to M. leprae bacilli. These novel synthetic peptides could enhance the sensitivity of rapid diagnostic tests for leprosy, facilitating early detection of the infection. This could help prevent disease progression and interrupt transmission.

PMID:40074449 | DOI:10.1016/j.jgeb.2025.100475

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The significant role of IL-15, IL-22, IL-37, and caspase 9 in polycystic ovary syndrome: A case-control study in a sample of Iraqi women

J Genet Eng Biotechnol. 2025 Mar;23(1):100462. doi: 10.1016/j.jgeb.2025.100462. Epub 2025 Feb 1.

ABSTRACT

The study aims to evaluate the significant role of interleukin 15 (IL-15), IL-22, IL-37, and Caspase 9 gene expression in polycystic ovary syndrome (PCOS), focusing on the underlying mechanisms and potential diagnostic or therapeutic implications. Peripheral blood has been collected, and serum was separated for the evaluation of the serum IL-15, IL-22, and IL-37. The ELISA technique has been carried out to determine the serum levels of understudied factors mentioned above in Iraqi women patients diagnosed with PCOS (No. = 90) via a specialized gynecologist and healthy fertile women (No. = 48) as a control group. In addition, a genetic study on the expression of the caspase 9 gene in these patients had been performed. The data reveals statistically significant differences in interleukin levels in PCOS patients versus the control group. Specifically, the PCOS group exhibits significantly higher levels of IL-15 and IL-22 as compared to the control group. Conversely, the PCOS group shows significantly lower levels of IL-37 compared to the control group. The results showed no statistically significant difference in the mean expression of the Caspase 9 gene when comparing these fold graduations. However, it’s worth noting that a higher fold frequency was observed in both the PCOS and control groups, with 57.1 % and 60 %, respectively, having folds less than 1. The distribution of folds varied across other categories was also addressed. Additionally, there was a notable difference in the frequency of 11.4 % in the PCOS group compared to 2 % in the control group for folds greater than 9. The findings suggest that interleukins, particularly IL-22 and IL-37, hold promise as diagnostic markers for distinguishing PCOS from healthy conditions. However, the potential diagnostic utility of the Caspase 9 gene expression was not confirmed in this study.

PMID:40074436 | DOI:10.1016/j.jgeb.2025.100462

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Nevin Manimala Statistics

Cerebellar asymmetries

Handb Clin Neurol. 2025;208:369-378. doi: 10.1016/B978-0-443-15646-5.00005-1.

ABSTRACT

The cerebellum is a subcortical structure tucked underneath the cerebrum that contains the majority of neurons in the brain, despite its small size. While it has received less attention in the study of brain asymmetries than the cerebrum, structural asymmetries in the cerebellum have been found in cerebellar volume that mirror cerebral asymmetries. Larger cerebellar structures have been reported on the right compared to the left, either for the whole cerebellar hemisphere or the anterior part of the cerebellum, with the latter accompanied by a left increase in the posterior cerebellum. Cerebellar asymmetries are considered evolutionary recent and have been observed prenatally and in early development. Both asymmetries in anterior-posterior divisions and specific lobules have been linked to handedness and cognitive abilities, in particular language. Functional lateralization in the cerebellum varies across motor and cognitive functions, with language activation predominantly localized in the right hemisphere, contralateral to cerebral activation. Meanwhile, working memory and executive functions are not lateralized to one hemisphere. New neuroimaging methods and resources, including a symmetric functional atlas of the cerebellum that enables precision mapping, open novel avenues for exploring cerebellar asymmetries and answering questions about the developmental timeline, relationships to behavior, and clinical relevance.

PMID:40074407 | DOI:10.1016/B978-0-443-15646-5.00005-1

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Black nursing faculty: Overcoming challenges on the road to earning tenure and promotion

J Prof Nurs. 2025 Mar-Apr;57:92-99. doi: 10.1016/j.profnurs.2025.01.009. Epub 2025 Jan 28.

ABSTRACT

BACKGROUND: Approximately 9 % of nursing faculty are Black (National League for Nursing, 2020). Black faculty seldom seek tenure and promotion. Tenure and promotion represent a professional and academic accomplishment, reflecting a scholar’s ability to achieve success in research, teaching, and service.

PURPOSE: The purpose of this research was to explore how Black nursing faculty described their experiences in working to earn tenure and promotion.

METHODS: Using a qualitative descriptive design, we used email surveys for data collection. We recruited tenured and tenure-track participants who were of African descent from the American Association of Colleges of Nursing and Association of Black Nursing Faculty.

RESULTS: A total of 42 participants were included in the study. We identified three major themes: Mixed Support System, Inequities, and Mentoring.

CONCLUSIONS: Even though there are some similarities with their White counterparts, Black nursing faculty may face additional challenges such as “tokenism,” inconsistent support (internally adequate, internally inadequate, internally absent, and external), and microaggressions.

PMID:40074387 | DOI:10.1016/j.profnurs.2025.01.009

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Nevin Manimala Statistics

Creating a student-led PhD in nursing diversity, equity, and inclusion advisory council

J Prof Nurs. 2025 Mar-Apr;57:60-67. doi: 10.1016/j.profnurs.2025.01.005. Epub 2025 Jan 27.

ABSTRACT

BACKGROUND: Challenges arising from the COVID-19 pandemic and social injustice complicated the nursing workforce, nursing education, and personal life inequities faced by Doctor of Philosophy (PhD) in Nursing students from historically marginalized and minoritized communities (MMC). This article describes the process of forming a PhD in Nursing Student-Led Diversity, Equity, and Inclusion (DEI) Advisory Council to address these inequities.

METHODS: The authors provide a blueprint for developing a similar group through supporting research and experiences.

RESULTS: The group developed and worked towards their mission to “strengthen diversity, equity, inclusion, and justice in nursing science and research through scholarship, community-building and advocacy.”

CONCLUSION: A student-led DEI advisory group is a great way to establish a community for nursing students at a high risk for isolation and stress and improve retention of students, especially those from MMC.

PMID:40074382 | DOI:10.1016/j.profnurs.2025.01.005

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Nevin Manimala Statistics

Relationship between social support and psychological distress in nursing students: The mediating role of school-life interference

J Prof Nurs. 2025 Mar-Apr;57:121-128. doi: 10.1016/j.profnurs.2025.01.010. Epub 2025 Feb 3.

ABSTRACT

BACKGROUND: Social support is a crucial factor in mitigating psychological distress among nursing students. However, the specific mechanism through which social support influences psychological distress, particularly the mediating role of school-life interference, remains underexplored. Aim The researchers investigated the relationship between social support and psychological distress in nursing students and examined the extent to which school-life interference mediates this relationship.

METHODS: A cross-sectional research design was employed. Data were collected from 1014 nursing students from three government universities in the Philippines. Three standardized scales were used: the Perceived Social Support Questionnaire (PSSQ), School-Life Interference Scale (SLIS), and the Perceived Stress Scale (PSS). Descriptive statistics, correlation analysis, and mediation analysis were conducted to analyze the data.

RESULTS: The findings revealed a moderate level of perceived social support (M = 3.554, SD = 0.775), high levels of school-life interference (M = 3.923, SD = 0.638), and significant psychological distress (M = 3.505, SD = 0.808). Social support was negatively associated with psychological distress (β = -0.1547, p < 0.001) and school-life interference (β = -0.0829, p = 0.001). School-life interference partially mediated the relationship between social support and psychological distress (β = -0.0375, LLCI = -0.0633 to ULCI = -0.0126).

CONCLUSION: Social support played a crucial role in mitigating school-life interference, which subsequently reduced psychological distress among nursing students. Furthermore, the interventions aimed at enhancing social support and reducing school-life interference should be integrated into nursing education programs to support students’ psychological well-being and academic success.

PMID:40074374 | DOI:10.1016/j.profnurs.2025.01.010

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Nevin Manimala Statistics

The association between 25-hydroxyvitamin D and parathyroid hormone in adolescents living with HIV in southern Africa: a cross sectional study

Br J Nutr. 2025 Mar 13:1-33. doi: 10.1017/S0007114525000509. Online ahead of print.

ABSTRACT

Low vitamin D associated with high parathyroid hormone (PTH) is commonly reported in the context of HIV infection. We determined the association between total 25-hydroxyvitamin-D [25(OH)D] and PTH in adolescents living with HIV, in Zambia and Zimbabwe. Adolescents (11-19 years) perinatally-infected with HIV and established on antiretroviral therapy (ART) for ≥6 months were recruited into a cross-sectional study. Socio-demographic and clinical characteristics were recorded, anthropometry measured, and fasted serum concentrations of 1,25-dihydroxyvitamin-D (1,25(OH)2D), total 25(OH)D and intact PTH measured. The association between total 25(OH)D and PTH was examined using natural cubic spline regression modelling. 842 participants (female: 53.2%) with median age 15.5 (IQR:13.2-17.9) years were enrolled. Median ART duration was 9.8 [IQR:6.3-12.3] years and 165/841 (19.6%) had an HIV viral load >60copies/ml. Stunting (HAZ score<-2) and underweight (WAZ score<-2) were observed in 29.9% and 30.0% respectively. Three quarters (n=639) reported daily calcium intakes <150mg/day. The mean (SD) concentrations of total 25(OH)D and 1,25(OH)2D were 66.1(16.5) nmol/L and 210.6(70.4) pmol/L respectively, and median PTH level was 4.3 (IQR:3.3-5.5) pmol/L. There was an inverse non-linear relationship between total 25(OH)D and PTH, 25(OH)D levelling-off at 74.6nmol/L (95%CI: 74.5-75.2). Results were consistent in those taking tenofovir disoproxil fumarate (81.7%) and in those who were virally unsuppressed. In this population with extremely low habitual calcium intakes, the lack of association between 25(OH)D and PTH when 25(OH)D exceeded 75nmol/L, potentially suggests levels of 25(OH)D >75nmol/l may need to be achieved to improve bone health; investigation is needed in future research studies.

PMID:40074367 | DOI:10.1017/S0007114525000509