714 results match your criteria: "Oregon (S.W.); Portland Veterans Affairs Medical Center[Affiliation]"

Introduction: Tapinarof is a topical aryl hydrocarbon receptor (AhR) agonist in development for the treatment of atopic dermatitis (AD). In two phase 3 trials (ADORING 1 and 2), tapinarof cream 1% once daily (QD) demonstrated significant efficacy and was well tolerated in patients down to age 2 years with AD. Here, we evaluate patient-reported outcomes (PROs), including family impact, with tapinarof in ADORING 1 and 2.

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The accuracy of machine learning methods is often limited by the amount of training data that is available. We proposed to improve machine learning training regimes by augmenting datasets with synthetically generated samples. We present a method for synthesizing gene expression samples and test the system's capabilities for improving the accuracy of categorical prediction of cancer subtypes.

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Brexpiprazole for the Treatment of Agitation in Alzheimer's Disease Dementia: Clinical Uncertainties and the Path Forward.

Am J Geriatr Psychiatry

November 2024

Department of Psychiatry, Oregon State Hospital, Adjunct Assistant Professor, Department of Neurology, Layton Aging and Alzheimer's Disease Research Center, Oregon Health and Science University, Mail Code CR131, 3181 S.W. Sam Jackson Park Road, Portland, OR 97239-3098. Electronic address:

Brexpirazole was approved for the treatment of nonpsychotic agitation in Alzheimer's disease (AD) dementia by the United States Food and Drug Administration (FDA) in May 2023 after three phase 3 clinical trials found brexpiprazole 2 to 3 mg/day to be an effective and well-tolerated treatment for agitation in AD dementia, albeit with small effect sizes. It appeared to especially benefit dementia patients with severe agitation/aggression, but it took between 6 and 12 weeks across the three studies for the medication to separate from placebo. However, much remains unknown about its place in the psychopharmacological armamentarium for the treatment of AD dementia-related agitation, including the optimal duration of a brexpiprazole trial, bridging options during the time it takes for brexpiprazole to become effective, and whether it should be continued in the presence of or upon emergence of psychosis during treatment.

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Background: People who are Black and have physical disabilities likely face a dual burden of risk for maternal mortality due to enduring systemic oppression rooted in racism and ableism.

Objective: To investigate maternal mortality risks among Black birthing individuals with physical disabilities in the United States and assess the potential compounding effect when these marginalized identities intersect.

Methods: We conducted a historical cohort study using the 2004-2021 Healthcare Cost and Utilization Project Nationwide Inpatient Sample.

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Exploring the intersectionality of race and gender on the incidence of and response to microaggression experienced by Asian American women medical students.

Am J Surg

January 2025

Sidney Kimmel Comprehensive Cancer Center and Department of Oncology, Johns Hopkins University School of Medicine, 1800 Orleans Street, Baltimore, MD, 21287, USA. Electronic address:

Background: Discrimination faced by Asian American trainees in medical school include those reported by female trainees. This study aims to characterize the microaggressions faced by Asian American woman medical students.

Methods: We use a mixed methods approach to characterize the experiences of Asian Americans in United States (US) medical schools through an anonymous online survey and participation in focus groups.

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Anaplastic large cell lymphoma (ALCL) is a mature T-cell neoplasm characterized by large pleomorphic cells, often with horseshoe- or kidney-shaped nuclei and abundant cytoplasm (hallmark cells), and uniformly strong CD30 expression. Based on ALK expression or ALK rearrangement, ALCL is further classified into ALK-positive (ALK+) and ALK-negative types. This review focuses on the clinicopathologic, immunophenotypic, cytogenetic and molecular features of systemic ALK-negative ALCL.

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Annular pancreas is a rare congenital abnormality that is often considered a neonatal condition, though in few cases it can present in adulthood. Patients diagnosed with annular pancreas in adulthood are often asymptomatic and diagnosed incidentally from radiologic studies. While there is no existing treatment protocol for symptomatic annular pancreas, multiple surgical approaches have been documented in the literature.

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Programming cell signaling during T-cell activation represents a simple strategy for improving the potency of therapeutic T-cell products. Stim-R technology (Lyell Immunopharma) is a customizable, degradable synthetic cell biomimetic that emulates physiologic, cell-like presentation of signal molecules to control T-cell activation. A breadth of Stim-R formulations with different anti-CD3/anti-CD28 (αCD3/αCD28) antibody densities and stoichiometries were screened for their effects on multiple metrics of T-cell function.

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Multi-institutional study examining intraoperative entrustment and resident sex.

Am J Surg

February 2025

University of Michigan, Alfred Taubman Health Care Center, Rm 2101, 1500 E Medical Center Dr, Ann Arbor, MI, 48109, USA. Electronic address:

Introduction: Single-site studies have found variable associations between gender and entrustment-based interactions during surgical residency. We sought to assess the relationship between resident sex and intraoperative entrustment at multiple institutions.

Methods: Surgical cases were observed at four university-based training programs.

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Background: Although clinical substance use disorder (SUD) care is multidisciplinary there are few opportunities to collaborate for quality improvement or systems change. In Oregon, the Project ECHO (Extension for Community Healthcare Outcomes) model was adapted to create a novel multidisciplinary SUD Leadership ECHO. The objective of this study was to understand the unique effects of the adapted ECHO model, determine if the SUD Leadership ECHO could promote systems change, and identify elements that enabled participant-leaders to make changes.

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Antiviral therapies with reduced frequencies of administration and high barriers to resistance remain a major goal. For HIV, theories have proposed that viral-deletion variants, which conditionally replicate with a basic reproductive ratio [R] > 1 (termed "therapeutic interfering particles" or "TIPs"), could parasitize wild-type virus to constitute single-administration, escape-resistant antiviral therapies. We report the engineering of a TIP that, in rhesus macaques, reduces viremia of a highly pathogenic model of HIV by >3log following a single intravenous injection.

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Rates of homelessness among adults aged 50 and over are rising. Common strategies for exiting homelessness rely on social and family support. However, intergenerational trauma may disrupt these social support networks and contribute to homelessness.

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Prostate cancer (PCa) seldom metastasizes to the thyroid gland, and only a limited number of cases are documented in the literature. The application of a relatively recent and highly sensitive imaging technique, prostate-specific membrane antigen (PSMA) positron emission tomography-computed tomography (PET/CT), has enhanced the identification of metastatic disease. Nevertheless, as PSMA is expressed in various tissue types, the clinical importance of a PSMA-avid thyroid lesion remains largely uncertain.

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Article Synopsis
  • The study aims to assess the impact of transanal total mesorectal excision (taTME) on fecal incontinence and various functional outcomes (defecatory, urinary, and sexual) in patients with rectal cancer.
  • It was found that while initial outcomes post-surgery showed a decline in fecal continence and defecatory function, patient outcomes improved significantly by 12 months after ileostomy closure, though they did not fully recover to preoperative levels.
  • Urinary function remained stable throughout the study, but both female and male sexual functions declined without signs of recovery in the follow-up period.
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Which of these symptom trajectories is not like the other?

Eur J Cardiovasc Nurs

October 2024

School of Nursing, Oregon Health & Science University, 3455 S.W. U.S. Veterans Hospital Road, Portland, OR 97239-2941, USA.

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Xenotransplantation could either be a friend or foe of healthcare equity.

Commun Med (Lond)

May 2024

Oregon Health & Science University, 3225 S.W. Pavilion Loop, MC: L101 Baird Hall (Suite 1011), Portland, OR, 97239, USA.

There are critical shortages in donor organs available for transplantation in the United States, with some racial and ethnic groups facing disparities in access. Xenotransplantation is currently an experimental approach, but has the promise of significantly increasing organ supply. Here, we discuss inequities in access to transplantation and the potential role of xenotransplantation in alleviating these inequities.

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Pathway-based, reaction-specific annotation of disease variants for elucidation of molecular phenotypes.

Database (Oxford)

May 2024

Department of Medical Informatics and Clinical Epidemiology, Oregon Health and Science University, 3181 S.W. Sam Jackson Park Rd., Portland, OR 97239, USA.

Germline and somatic mutations can give rise to proteins with altered activity, including both gain and loss-of-function. The effects of these variants can be captured in disease-specific reactions and pathways that highlight the resulting changes to normal biology. A disease reaction is defined as an aberrant reaction in which a variant protein participates.

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Article Synopsis
  • Rates of serious infections related to drug use have increased, presenting a chance for screening and vaccinating against infections like hepatitis A, hepatitis B, and tetanus during hospital admissions.
  • A study reviewed 280 adults admitted for bacterial infections, finding low vaccination rates: only 10.6% received the hepatitis A vaccine, 14.4% received the hepatitis B vaccine, and only 1.8% got a tetanus booster, despite many being at risk.
  • The findings highlight that over 70% of patients were at risk for preventable infections, indicating a critical need for improved screening and vaccination efforts for these vulnerable populations.
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Patients with Epstein-Barr virus (EBV)-positive posttransplant lymphoproliferative disease (EBV+ PTLD) in whom initial treatment fails have few options and historically low median overall survival (OS) of 0.7 months after allogeneic hematopoietic cell transplant (HCT) and 4.1 months after solid organ transplant (SOT).

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Factors Associated with Confirmed and Unconfirmed Autism Spectrum Disorder Diagnosis in Children Volunteering for Research.

J Autism Dev Disord

April 2024

College of Education and Human Development, Department of Pediatrics, Medical School University of Minnesota, Masonic Institute for the Developing Brain, Professor, Institute of Child Development, 2025 E. River Parkway 7962A, Minneapolis, MN, 55414, USA.

Purpose: Diagnostic accuracy of autism spectrum disorder (ASD) is crucial to track and characterize ASD, as well as to guide appropriate interventions at the individual level. However, under-diagnosis, over-diagnosis, and misdiagnosis of ASD are still prevalent.

Methods: We describe 232 children (M = 10.

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Use of artificial intelligence in critical care: opportunities and obstacles.

Crit Care

April 2024

Department of Critical Care Medicine, School of Medicine, University of Pittsburgh, 638 Scaife Hall, 3550 Terrace Street, Pittsburgh, PA, 15261, USA.

Background: Perhaps nowhere else in the healthcare system than in the intensive care unit environment are the challenges to create useful models with direct time-critical clinical applications more relevant and the obstacles to achieving those goals more massive. Machine learning-based artificial intelligence (AI) techniques to define states and predict future events are commonplace activities of modern life. However, their penetration into acute care medicine has been slow, stuttering and uneven.

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Telemedicine care coordination and visit frequency in pediatric patients with type 1 diabetes in Oregon.

J Clin Transl Endocrinol

June 2024

Oregon Health and Science University, Department of Pediatrics, Division of Endocrinology, 700 S.W. Campus Drive, Portland, OR 97239, USA.

Introduction: Children with type 1 diabetes require close monitoring with visits every 3-4 months. COVID-19-induced telemedicine expansion may alleviate the challenge of high visit frequency that children with type 1 diabetes face. However, telemedicine's impact on access to care may be limited if patients lack adequate support for telemedicine.

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Article Synopsis
  • Respiratory syncytial virus (RSV) can severely impact infants and older adults, but there's limited knowledge regarding its effects on pregnant women.
  • A study analyzed RSV hospitalizations in women aged 18-49, comparing pregnant and nonpregnant women across different time periods to assess severe outcomes.
  • Results showed that pregnant women had fewer severe RSV cases, with no deaths reported among them, and more asymptomatic pregnant women were found during the pandemic due to changes in testing.
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Considering laboratory results are used to make medical decisions, a fundamental understanding of laboratory medicine is paramount to enhance patient care, optimize health care cost containment, and prevent legal repercussions. With increasing laboratory testing complexity, this education is needed now more than ever. This article is a call to action to have medical schools adequately incorporate practical laboratory medicine content into their undergraduate medical education (UME) curricula.

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