Publications by authors named "Larson N"

Objective: Human papillomavirus (HPV) vaccine uptake remains suboptimal. Our stepped-wedge cluster randomized trial found that reminder-recall letters sent to parents of age-eligible children significantly increased vaccine uptake compared to usual care. Subsequently, we conducted a process evaluation to assess the mechanisms of the letter's effectiveness.

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Introduction: Damage Control Surgery (DCS) is a surgical technique used to manage critically ill and injured patients. This study examines the most recent 10-y outcomes related to DCS, with the secondary goal of scrutinizing the outcomes after DCS across surgical theaters.

Methods: Studies published between 2012 and 2021 that described adult patients undergoing Abdominal DCS after traumatic injury were included.

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Article Synopsis
  • MR fingerprinting (MRF) is an innovative technique for measuring MR relaxometry with high precision, but its complex data requirements hinder its widespread use.
  • A deep learning (DL) network, specifically a U-Net, was created to synthesize MRF signals from regular magnitude-only MRI data collected from 37 volunteers, comparing the results with actual acquired MRF signals.
  • The study found strong concordance between synthesized and actual MRF data, indicating that DL can enable quantitative relaxometry without the need for specialized MRF pulse sequences.
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The bagrada bug, Bagrada hilaris (Burmeister), is an emerging agricultural pest in the Americas, threatening agricultural production in the southwestern United States, Mexico and Chile, as well as in the Old World (including Africa, South Asia and, more recently, Mediterranean areas of Europe). Substantive transcriptomic sequence resources for this damaging species would be beneficial towards understanding its capacity for developing insecticide resistance, identifying viruses that may be present throughout its population and identifying genes differentially expressed across life stages that could be exploited for biomolecular pesticide formulations. This study establishes B.

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Objective: To execute a large-scale, decentralized, clinical-grade whole exome sequencing study, coined Tapestry, for clinical practice, research discovery, and genomic education.

Patients And Methods: Between July 1, 2020, and May 31, 2024, we invited 1,287,608 adult Mayo Clinic patients to participate in Tapestry. Of those contacted, 114,673 patients were consented and 98,222 (65.

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Increasing trauma center admission volume is said to decrease mortality. Evidence supporting this position is dependent upon patient groups and the time period studied, and gaps remain. We evaluated the effect of annual volume of critically injured patients on hospital mortality, comparing two time periods.

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Background: Retrospective studies suggest that some breast cancer survivors report treatment-associated hair loss or thinning years after their diagnosis. This study investigates frequency and perceptions of alopecia persisting 6 years after patients' breast cancer diagnoses.

Methods: Breast cancer survivors participating in the Mayo Clinic Breast Disease Registry (MCBDR) were mailed a survey 6 years after diagnosis.

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Context.—: Cardiac and pulmonary allograft recipients represent a unique population, frequently interacting with support groups and exhibiting intense curiosity about their pathology. Like other solid organ transplant patients, they have enduring and frequent interaction with the laboratory for routine allograft surveillance.

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Background: Adolescence to early adulthood is a period of multiple life transitions. These transitions, along with changing resources and contexts, could contribute to significant changes in diet, which may persist into later adulthood.

Objectives: We investigated diet quality trajectories from age 15 to 31 y and changes in diet quality associated with life transitions by sex.

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Background: United States military policies regarding service by transgender service members have shifted several times within the past decade. The relationships between policy changes and electronic health record documentation of gender dysphoria, a current and historic policy requisite for gender affirming care receipt, in active duty service members remain unknown.

Methods: Bayesian estimator of abrupt change, seasonality, and trend models identified changepoints in the proportion of service members who had new and then historical medical record documentation consistent with gender dysphoria from January 2015 to August 2022.

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Article Synopsis
  • - 5-methylcytosine (5mC) is a common modification on CpG sites in the human genome, and while bisulfite conversion with short-read sequencing helps analyze it, issues like detection bias and limited read lengths create challenges in capturing accurate methylation patterns.
  • - To overcome these limitations, researchers utilized nanopore long-read sequencing, which retains allele information and allows for a more comprehensive analysis of co-methylation, identifying nearly 100,000 methylation haplotype blocks across various cell lines.
  • - They observed that most co-methylation occurs in short ranges, but some interactions span longer distances, indicating complex regulatory mechanisms, and also found varying methylation levels at transcription factor binding sites that
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Background: Eyebrow and eyelash loss, known as madarosis, can occur after breast cancer-directed therapy. The purpose of this study was to ascertain the proportion of breast cancer survivors who experience madarosis, contributing factors, and associations between this symptom and quality of life.

Methods: Breast cancer survivors were invited to participate in an ongoing longitudinal cohort study as a part of the Mayo Clinic Breast Disease Registry (MCBDR).

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This article explores how food and beverage environments influence child health and obesity risk and addresses institutional settings, retail environments, food assistance programs, and food and beverage industry marketing. It emphasizes social determinants of health, evidence-based interventions, and policy recommendations to promote healthier food options and reduce inequities. Pediatric health care providers play a critical role in addressing the need for systemic changes to eliminate inequities in food environments and the systems that support these inequities.

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Diet is a robust entrainment cue that regulates diurnal rhythms of the gut microbiome. We and others have shown that disruption of the circadian clock drives the progression of colorectal cancer (CRC). While certain bacterial species have been suggested to play driver roles in CRC, it is unknown whether the intestinal clock impinges on the microbiome to accelerate CRC pathogenesis.

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Throughout development, complex networks of cell signaling pathways drive cellular decision-making across different tissues and contexts. The transforming growth factor β (TGF-β) pathways, including the BMP/Smad pathway, play crucial roles in determining cellular responses. However, as the Smad pathway is used reiteratively throughout the life cycle of all animals, its systems-level behavior varies from one context to another, despite the pathway connectivity remaining nearly constant.

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When pregnant patients are involved in traumatic incidents, the trauma clinician encounters two patients-both the mother and the unborn child. Advanced trauma life support dictates that the first priority is the life of the mother; however, there are rare situations where to provide the greatest chance of survival for both the mother and baby, an emergency cesarean section (perimortem cesarean delivery [PMCD]) must be performed. The decision to perform this procedure must occur quickly, and the reality is that a board-certified obstetrician is rarely present, particularly in rural areas.

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Objective: In cross-sectional and retrospective research, parental binge eating is associated with their children's eating psychopathology. The current study extended the evidence by cross-sectionally and longitudinally examining the relation between parental binge eating and binge eating and weight-control behaviors in the next generation of their adolescent children and young adult children in a population-based sample.

Methods: Adolescents (Time 1: M = 14.

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Background And Purpose: To evaluate the radiomics-based model performance for differentiation between glioblastoma (GB) and brain metastases (BM) using magnetization prepared rapid gradient echo (MPRAGE) and volumetric interpolated breath-hold examination (VIBE) T1-contrast enhanced sequences.

Materials And Methods: T1-CE MPRAGE and VIBE sequences acquired in 108 patients (31 GBs and 77 BM) during the same MRI session were retrospectively evaluated. Post standardized image pre-processing and segmentation, radiomics features were extracted from necrotic and enhancing tumor components.

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Postpartum hemorrhage is the leading cause of preventable maternal illness and death globally and carries a disproportionately high burden of mortality in low- to middle-income countries. Tranexamic acid, an antifibrinolytic drug, has been widely adopted to control bleeding in trauma and other surgical conditions. Within the last decade, the World Health Organization updated their guidelines for the treatment of postpartum hemorrhage to include the use of tranexamic acid in all cases of postpartum hemorrhage.

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Importance: Use of exogenous sex steroid hormones, when indicated, may improve outcomes in adolescents and young adults with gender incongruence. Little is known about factors associated with the time from diagnosis of gender dysphoria to initiation of gender-affirming hormone therapy. Identification of inequities in time to treatment may have clinical, policy, and research implications.

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Despite advances in neonatal care, metabolic bone disease of prematurity (MBDP) remains a common problem in preterm infants. The development of non-invasive and affordable diagnostic approaches can be highly beneficial in the diagnosis and management of preterm infants at risk of MBDP. In this study, we present an ultrasound method called pulsed vibro-acoustic analysis to investigate the progression of bone mineralization in infants over time versus weight and postmenstrual age.

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Article Synopsis
  • The Advocate-BREAST project aims to enhance the breast cancer patient experience through targeted education and patient-centered research.* -
  • A survey sent to nearly 7,000 breast cancer survivors revealed high satisfaction with care but identified significant concerns regarding symptoms and support, particularly around issues like sexual dysfunction and emotional health.* -
  • Patients expressed a need for better psychological support and clear educational resources, leading to proposed Quality Improvement projects focusing on holistic care and wellness programs.*
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Introduction: Tranexamic acid (TXA) is a potent antifibrinolytic drug that inhibits the activation of plasmin by plasminogen. While not a new medication, TXA has quickly gained traction across a variety of surgical subspecialties to prevent and treat bleeding. Knowledge on the use of this drug is essential for the modern surgeon to continue to provide excellent care to their patients.

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Fibrosing mediastinitis (FM) is an uncommon fibroinflammatory condition without established or effective medical therapies. Infiltrating B lymphocytes are commonly present, and progressive fibrosis compromises mediastinal structures, including blood vessels and airways, resulting in significant morbidity and mortality. To evaluate the benefits and side effects of rituximab in patients with progressive and symptomatic FM.

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Key Points: Common kidney stones are unlikely to be an independent and direct cause of CKD in the general population. CKD may protect against kidney stones because of changes in key urinary factors critical for stone formation.

Background: Kidney stones and CKD are common disorders with a substantial interaction.

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