Commutability assessment of new standard reference materials (SRMs) for determining serum total 25-hydroxyvitamin D using ligand binding and liquid chromatography-tandem mass spectrometry (LC-MS/MS) assays.

Commutability is where the measurement response for a reference material (RM) is the same as for an individual patient sample with the same concentration of analyte measured using two or more measurement systems. Assessment of commutability is essential when the RM is used in a calibration hierarchy or to ensure that clinical measurements are comparable across different measurement procedures and at different times. The commutability of three new Standard Reference Materials (SRMs) for determining serum total 25-hydroxyvitamin D [25(OH)D], defined as the sum of 25-hydroxyvitamin D [25(OH)D] and 25-hydroxyvitamin D [25(OH)D], was assessed through an interlaboratory study.

Disparities in traumatic brain injury-related deaths-the United States, 2021.

Objectives: This manuscript describes traumatic brain injury (TBI)-related mortality in the United States during 2021, by geography, sociodemographic characteristics, mechanism of injury, and injury intent.

Method: Multivariable modeling of TBI mortality was performed to assess the simultaneous effect of multiple factors (geographic region, sex, race and ethnicity, and age) included in the model. Authors analyzed multiple-cause-of-death data from the National Vital Statistics System and included records when an International Classification of Diseases, Tenth Revision (ICD-10) underlying cause of death injury code, and a TBI-related ICD-10 diagnosis code were both listed.

Associations Between Knowledge of Health Conditions and Sugar-Sweetened Beverage Intake Among US Adults, 2021.

Background: Frequent consumption of sugar-sweetened beverages (SSB) is associated with an increased risk of some health outcomes.

Objective: We investigated the relationships between knowledge of health risks related to SSB and SSB intake among adults.

Methods: This cross-sectional study utilized data from the 2021 SummerStyles survey.

Evaluating the ingress of total polycyclic aromatic hydrocarbons (PAHs) specifically naphthalene through firefighter hoods and base layers.

Structural firefighters are exposed to an array of polycyclic aromatic hydrocarbons (PAHs) as a result of incomplete combustion of both synthetic and natural materials. PAHs are found in both the particulate and vapor phases in the firefighting environment and are significantly associated with acute and chronic diseases, including cancer. Using a fireground exposure simulator (FES) and standing mannequins dressed in four different firefighter personal protective equipment (PPE) conditions, each with varying levels of protective hood interface and particulate-blocking features, the efficacy of the hoods was assessed against the ingress of PAHs (specifically, naphthalene).

Blood Culture Contamination and Diagnostic Stewardship: From a Clinical Laboratory Quality Monitor to a National Patient Safety Measure.

Laboratory analysis of blood cultures is vital to the accurate and timely diagnosis of bloodstream infections. However, the reliability of the test depends on clinical compliance with standard operating procedures that limit the risk of inconclusive or incorrect results. False-negative blood culture results due to inadequate volumes of blood can result in misdiagnosis, delay therapy, and increase patients' risk of developing or dying from bloodstream infections.

Risk of adverse birth outcomes and birth defects among women living with HIV on antiretroviral therapy and HIV-negative women in Uganda, 2015-2021.

Introduction: We assessed the risk of adverse pregnancy and birth outcomes and birth defects among women living with HIV (WLHIV) on antiretroviral therapy (ART) and HIV-negative women.

Methods: We analyzed data on live births, stillbirths, and spontaneous abortions during 2015-2021 from a hospital-based birth defects surveillance system in Kampala, Uganda. ART regimens were recorded from hospital records and maternal self-reports.

Release of Crystalline Silica Nanoparticles during Engineered Stone Fabrication.

Inhalation exposure to respirable crystalline silica (RCS) during the fabrication of engineered stone-based kitchen countertops has been on the rise in recent years and has become a significant occupational health problem in the United States and globally. Little is known about the presence of nanocrystalline silica (NCS), i.e.

Factors associated with retention and adherence on Pre-Exposure Prophylaxis among men who have sex with men in Kigali, Rwanda.

Pre-Exposure Prophylaxis (PrEP) is recommended as an HIV prevention measure for men who have sex with men (MSM). We assessed factors associated with PrEP retention and adherence among MSM in Kigali, Rwanda. We undertook a retrospective cross-sectional study and used a questionnaire to obtain PrEP retention and adherence history from MSM enrolled in the key population (KP) program that attended scheduled follow-up clinics from four (4) health facilities between April 2021 to June 2021.

Examining teen club attendance and viral load suppression among adolescents under differentiated HIV care in Malawi: a sub-optimal scenario.

Background: In Malawi, compared to adults, adolescents have higher rates of high HIV viremia and poorer antiretroviral therapy (ART) outcomes. The Ministry of Health, supported by the Elizabeth Glaser Pediatric AIDS Foundation (EGPAF), implemented the provision of differentiated care clubs for adolescents living with HIV (ALHIV), called "teen clubs," to provide psychosocial support and an HIV care package to improve clinical outcomes. We evaluated teen club attendance and factors associated with unsuppressed viral load (VL) in ALHIV enrolled in these teen clubs.

Genomic analysis of DS-1-like human rotavirus A strains uncovers genetic relatedness of NSP4 gene with animal strains in Manhiça District, Southern Mozambique.

Post rotavirus vaccine introduction in Mozambique (September 2015), we documented a decline in rotavirus-associated diarrhoea and genotypes changes in our diarrhoeal surveillance spanning 2008-2021. This study aimed to perform whole-genome sequencing of rotavirus strains from 2009 to 2012 (pre-vaccine) and 2017-2018 (post-vaccine). Rotavirus strains previously detected by conventional PCR as G2P[4], G2P[6], G3P[4], G8P[4], G8P[6], and G9P[6] from children with moderate-to-severe and less-severe diarrhoea and without diarrhoea (healthy community controls) were sequenced using Illumina MiSeq platform and analysed using bioinformatics tools.

Description of School Outcomes Among Children With Traumatic Brain Injuries, Centers for Disease Control and Prevention's National Concussion Surveillance System Pilot.

Background: Traumatic brain injury (TBI) is a common injury in children. Though research on youth TBI has largely focused on high school students, this study describes selected school outcomes after TBI in the past 12 months among children aged 5-17 years.

Methods: Data from parent-proxy respondents from the pilot administration of the National Concussion Surveillance System (a random-digit-dial telephone survey with over 10,000 adult respondents) were examined.

Equitable and effective clinical guidance development and dissemination: trauma aims to lead the way.

Thirty-four per cent of deaths among Americans aged 1-46 are due to injury, and many of these deaths could be prevented if all hospitals performed as well as the highest-performing hospitals. The Institute of Medicine and the National Academies of Science, Engineering and Medicine have called for learning health systems, with emphasis on clinical practice guidelines (CPGs) as a means of limiting preventable deaths. Reduction in mortality has been demonstrated when evidence-based trauma CPGs are adhered to; however, guidelines are variably updated, redundant, absent, inaccessible, or perceived as irrelevant.

Impact of late rainy season indoor residual spraying on holoendemic malaria transmission: a cohort study in northern Zambia.

Background: Indoor residual spraying (IRS) is a malaria control strategy implemented before the rainy season. Nchelenge District, Zambia is a holoendemic setting where IRS has been conducted since 2008 with little impact on malaria incidence or parasite prevalence. Pre-rainy season IRS may not reduce the post-rainy season peak abundance of the major vector, Anopheles funestus.

A randomized trial for combination nicotine replacement therapy for smoking cessation among people with HIV in a low-resourced setting.

Objective: The purpose of this study was to evaluate the efficacy of combination nicotine replacement therapy (c-NRT) for smoking cessation among people with HIV (PWH) in South Africa.

Design: We conducted an open label, individually randomized clinical trial.

Methods: Using a two-armed approach, PWH who smoke were randomized to receive either 1) intensive anti-smoking behavioral counseling (BC) or 2) intensive anti-smoking BC plus c-NRT (nicotine patches augmented by nicotine gum).

Thyroid FT4-to-TSH ratio in the first trimester is associated with gestational diabetes mellitus in women carrying male fetus: a prospective bi-center cohort study.

Background: Gestational diabetes mellitus (GDM) is one of the most common medical complications of pregnancy, which increases the risk of other pregnant complications and adverse perinatal outcomes. Thyroid dysfunction is closely with the risk of diabetes mellitus. However, the relationship between euthyroid function in early pregnancy and GDM is still controversial.

Impact of metabolism-disrupting chemicals and folic acid supplementation on liver injury and steatosis in mother-child pairs.

Background And Aims: Scarce knowledge about the impact of metabolism-disrupting chemicals (MDCs) on steatotic liver disease limits opportunities for intervention. We evaluated pregnancy MDC-mixture associations with liver outcomes, and effect modification by folic acid (FA) supplementation in mother-child pairs.

Methods: We studied ∼200 mother-child pairs from the Mexican PROGRESS cohort, with measured 43 MDCs during pregnancy (estimated air pollutants, blood/urine metals or metalloids, urine high- and low-molecular-weight phthalate [HMWPs, LMWPs] and organophosphate-pesticide [OP] metabolites), and serum liver enzymes (ALT, AST) at ∼9 years post-parturition.

Prevalence of Positive Childhood Experiences and Associations with Current Anxiety, Depression, and Behavioral or Conduct Problems among U.S. Children Aged 6-17 Years.

Positive childhood experiences (PCEs) have substantial potential to improve children's mental health. We examined the prevalence of 26 specific PCEs, overall and by demographics, and the individual and cumulative effects of PCEs with current diagnosis of three mental health conditions using nationally representative, parent-reported data on U.S.

Dihydroartemisinin-piperaquine versus sulfadoxine-pyrimethamine for intermittent preventive treatment of malaria in pregnancy: a systematic review and individual participant data meta-analysis.

Background: High-grade resistance to sulfadoxine-pyrimethamine in East and Southern Africa has prompted numerous trials evaluating intermittent preventive treatment in pregnancy (IPTp) with dihydroartemisinin-piperaquine as an alternative to sulfadoxine-pyrimethamine.

Methods: We conducted individual participant data meta-analyses of randomised trials comparing IPTp with dihydroartemisinin-piperaquine to sulfadoxine-pyrimethamine on maternal, birth, and infant outcomes. We searched the WHO International Clinical Trials Registry Platform, ClinicalTrials.

Implementing a healthcare-associated bloodstream infection surveillance network in India: a mixed-methods study on the best practices, challenges and opportunities, 2022.

Background: Healthcare-associated bloodstream infections (BSI) threaten patient safety and are the third most common healthcare-associated infection (HAI) in low- and middle-income countries. An intensive-care-unit (ICU) based HAI surveillance network recording BSIs was started in India in 2017. We evaluated this surveillance network's ability to detect BSI to identify best practices, challenges, and opportunities in its implementation.

Evaluating the Effectiveness of External Molecular Proficiency Testing in the Global Polio Laboratory Network, 2021-2022.

In the Global Poliovirus Laboratory Network (GPLN), participation and successful completion in annual proficiency test (PT) panels has been a part of the WHO accreditation process for decades. The PT panel is a molecular external quality assessment (mEQA) that evaluates laboratory preparedness, technical proficiency, the accuracy of data interpretation, and result reporting. Using the Intratypic Differentiation (ITD) real-time RT-PCR kits from CDC, laboratories run screening assays and report results in accordance with the ITD algorithm to identify and type polioviruses.

Concordance of Traumatic Brain Injury Symptoms, Evaluation, and Diagnosis Between Teens and Parents: Data From the National Health Interview Survey-Teen.

Purpose: To investigate differences in teen-reported and parent-reported lifetime prevalence estimates of traumatic brain injury (TBI) symptoms, TBI evaluation, and TBI diagnosis among a nationally representative sample of teenagers aged 12-17 years old and their parents.

Methods: Parent-reported data from the 2021 to 2022 National Health Interview Survey linked with teen-reported data from the National Health Interview Survey-Teen July 2021-December 2022 (n = 1,153) were analyzed. Lifetime prevalence estimates for TBI symptoms (e.