Publications by authors named "Mazumdar M"

We examined the associations between physical activity (PA)-measured through self-reported walking and vigorous activities-and pain occurrence (self-reported bothersome pain or frequent pain medication use), and persistent pain (pain occurring for two consecutive years). This analysis used a large, nationally representative sample of 2279 older adults from the National Health and Aging Trends Study of 2015-2018, and applied generalized estimating equation regression with propensity score weighting. Approximately 70% and 50% of the participants reported walking and vigorous activities respectively at baseline.

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Introduction Fixed-dose combinations (FDCs) have the potential in glaucoma management to improve efficacy due to the complementary mechanism of action of the drugs as well as compliance while reducing adverse effects by minimizing exposure to preservatives and the financial burden on the patients. FDC of brinzolamide/timolol has demonstrated efficacy and safety in multinational phase 3 studies in primary open-angle glaucoma (POAG) and ocular hypertension. However, efficacy and safety in the Indian population are not known.

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We report a primigravida 31-year-old female patient hospitalized at 32 gestational weeks with status epilepticus. In due course of illness, she developed refractory status epilepticus managed with induced coma with propofol and emergency early lower section caesarean surgery (LSCS). A battery of initial laboratory and radiological tests did not lead to a definite diagnosis.

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  • The study explores how arsenic exposure in parents, particularly fathers, may affect DNA methylation in infants with spina bifida, suggesting a link between environmental toxins and genetic changes.
  • Researchers analyzed arsenic levels in fathers' toenails and measured DNA methylation in various tissues from infants, finding a significant association in dural tissue.
  • The findings highlight the relevance of these epigenetic changes, particularly in pathways related to neural development, and underscore the need for further research on paternal exposure to toxins.
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  • - Epigenetic modifications play a crucial role in regulating gene expression, allowing cells to turn genes on and off, which is essential for maintaining different cell types.
  • - Environmental factors like diet and pollutants can alter these epigenetic modifications, meaning that an individual's surroundings can impact gene expression and health outcomes, potentially even affecting future generations.
  • - The review discusses how epigenetic changes can be passed down through generations, examines the mechanisms behind these changes, and emphasizes the importance of considering environmental health for both current and future populations.
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Arsenic is associated with lung disease and experimental models suggest that arsenic-induced degradation of the chloride channel CFTR (cystic fibrosis transmembrane conductance regulator) is a mechanism of arsenic toxicity. We examined associations between arsenic exposure, sweat chloride concentration (measure of CFTR function), and pulmonary function among 285 adults in Bangladesh. Participants with sweat chloride ≥ 60 mmol/L had higher arsenic exposures than those with sweat chloride < 60 mmol/L (water: median 77.

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Introduction: Six hospitals within the New York City public hospital system implemented the Consult for Addiction Treatment and Care in Hospitals (CATCH) program, an interprofessional addiction consult service. A stepped-wedge cluster randomized controlled trial tested the effectiveness of CATCH for increasing initiation and engagement in post-discharge medication for opioid use disorder (MOUD) treatment among hospital patients with opioid use disorder (OUD). The objective of this study was to identify facility characteristics that were associated with stronger performance of CATCH.

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Objectives: The American Academy of Pediatrics recommends that children and adolescents with Down syndrome receive anticipatory guidance regarding development and behavior. However, few tools provide specific guidance on developmental norms for children with Down syndrome. Our objective was to estimate age ranges at which children and adolescents with Down syndrome achieve developmental milestones to facilitate developmental screening by pediatric practitioners.

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Background: Arsenic has been associated with diabetes and impaired glucose tolerance in many studies, although some reports have shown null findings.

Methods: We conducted a cross-sectional study among 300 adults in Bangladesh. Participants were randomly selected from a roster of 1800 people who previously participated in studies of arsenic and skin lesions.

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  • Spina bifida is a neural tube defect linked to genetic and environmental factors, specifically maternal arsenic exposure, which affects fetal development during pregnancy.
  • The study analyzed data from 262 mothers and 220 infants in Bangladesh to explore the relationship between maternal arsenic levels and spina bifida risk, focusing on specific genetic variations in folate and arsenic metabolism.
  • Results indicated that certain single-nucleotide polymorphisms (SNPs) related to arsenic metabolism in infants and mothers significantly increased the likelihood of spina bifida when combined with high arsenic exposure.
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Importance: Medications for opioid use disorder (MOUD) are highly effective, but only 22% of individuals in the US with opioid use disorder receive them. Hospitalization potentially provides an opportunity to initiate MOUD and link patients to ongoing treatment.

Objective: To study the effectiveness of interprofessional hospital addiction consultation services in increasing MOUD treatment initiation and engagement.

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Importance: Machine learning has potential to transform cancer care by helping clinicians prioritize patients for serious illness conversations. However, models need to be evaluated for unequal performance across racial groups (ie, racial bias) so that existing racial disparities are not exacerbated.

Objective: To evaluate whether racial bias exists in a predictive machine learning model that identifies 180-day cancer mortality risk among patients with solid malignant tumors.

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Purpose: To investigate changes in breast cancer incidence rates associated with Medicaid expansion in California.

Methods: We extracted yearly census tract-level population counts and cases of breast cancer diagnosed among women aged between 20 and 64 years in California during years 2010-2017. Census tracts were classified into low, medium and high groups according to their social vulnerability index (SVI).

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Background: Spina bifida, a developmental malformation of the spinal cord, is associated with high rates of mortality and disability. Although folic acid-based preventive strategies have been successful in reducing rates of spina bifida, some areas continue to be at higher risk because of chemical exposures. Bangladesh has high arsenic exposures through contaminated drinking water and high rates of spina bifida.

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Objective: Reports on the management and survival of children with myelomeningocele defects in Bangladesh are limited. This study describes the characteristics and outcomes of these children, focusing on the timing of surgical repair and factors affecting survival.

Methods: We enrolled patients with myelomeningoceles in a case-control study on arsenic exposure and spina bifida in Bangladesh.

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Background: Black sexual minority men and Black transgender women (BSMM/BTW) experience disproportionate levels of HIV/STI-related risk factors as well as police harassment (PH). PH is linked to psychiatric risk and could play a role in substance use, sexual risk behavior, and HIV/STI risk.

Methods: We used data from the HIV Prevention Trials Network 061(HPTN 061) study to examine associations between PH and HIV/STI-related outcomes.

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Article Synopsis
  • The study explored genetic factors linked to spina bifida, a severe birth defect, by analyzing DNA samples from families in Bangladesh between 2016 and 2022.
  • Researchers identified three new genetic variants associated with spina bifida through advanced genetic analysis, even though they didn't find any widespread significant variants between cases and controls.
  • The findings suggest these novel genetic markers could provide insights into prevention strategies, but further research with larger sample sizes is necessary to confirm the results.
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Background: Spina bifida, a developmental malformation of the spinal cord, is associated with high rates of mortality and disability. Although folic acid-based preventive strategies have been successful in reducing rates of spina bifida, some areas continue to be at higher risk because of chemical exposures. Bangladesh has high arsenic exposures through contaminated drinking water and high rates of spina bifida.

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Article Synopsis
  • The stepped-wedge cluster randomized trial (SW-CRT) design is gaining popularity in healthcare research as it can simplify logistical and ethical issues compared to traditional cluster randomized trials (CRTs), especially when examining treatment effects across diverse groups like different races.
  • Sample size determination for assessing heterogeneity in treatment effects (HTE) in SW-CRT studies, particularly for binary outcomes, is lacking in existing research, emphasizing the need for appropriate methods.
  • The study finds that using the generalized estimating equation (GEE) method yields the highest statistical power for detecting HTE, with power increases noted under balanced covariates and specific cluster sizes, ultimately highlighting the effectiveness of GEE in various scenarios.
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Background: Malnutrition is associated with increased morbidity, mortality, and healthcare costs. Early detection is important for timely intervention. This paper assesses the ability of a machine learning screening tool (MUST-Plus) implemented in registered dietitian (RD) workflow to identify malnourished patients early in the hospital stay and to improve the diagnosis and documentation rate of malnutrition.

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Incarceration can lead to different risk behaviors often due to increased distress and disruption of social networks. It is not well known, however, how these associations may differ by age. In this study, we measure age differences in longitudinal associations between incarceration and substance use, sex risk, and sexually transmitted infection (STI) among Black sexual minority men and Black transgender women (BSMM/BTW).

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Background: Early prediction of the need for invasive mechanical ventilation (IMV) in patients hospitalized with COVID-19 symptoms can help in the allocation of resources appropriately and improve patient outcomes by appropriately monitoring and treating patients at the greatest risk of respiratory failure. To help with the complexity of deciding whether a patient needs IMV, machine learning algorithms may help bring more prognostic value in a timely and systematic manner. Chest radiographs (CXRs) and electronic medical records (EMRs), typically obtained early in patients admitted with COVID-19, are the keys to deciding whether they need IMV.

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Background: The National Comprehensive Cancer Network suggested that older women with low-risk breast cancer (LRBC; i.e., early-stage, node-negative, and estrogen receptor-positive) could omit adjuvant radiation treatment (RT) after breast-conserving surgery (BCS) if they were treated with hormone therapy.

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