819 results match your criteria: "University of Southern California Los Angeles[Affiliation]"
Objective: Assessing the quality of human papillomavirus (HPV) vaccination-related content on TikTok is crucial due to its popularity among adolescents. We assessed these videos while comparing the content and quality of videos with and without physician involvement.
Study Design: Cross-sectional cohort analysis.
Appl Math Mod Chall
March 2024
Department of Mathematics University of Southern California Los Angeles CA 90089-2532, USA.
The utility of newly developed wearable biosensors for passively, non-invasively, and continuously measuring transdermal alcohol levels in the body in real time has been limited by the fact that raw transdermal alcohol data does not consistently correlate (quantitatively or temporally) with interpretable metrics of breath and blood across individuals, devices, and the environment. A novel method using a population model in the form of a random abstract hybrid system of ordinary and partial differential equations and linear quadratic tracking control in Hilbert space is developed to estimate blood or breath alcohol concentration from the biosensor-produced transdermal alcohol level signal. Using human subject data in the form of 270 drinking episodes, the method is shown to produce estimates of blood or breath alcohol concentration that are highly correlated and thus good predictors of breath analyzer measurements.
View Article and Find Full Text PDFPOCUS J
November 2024
Division of Cardiology, Department of Medicine, University of Washington Seattle, WA USA.
: Cardiac point of care ultrasound (POCUS) has been used with increasing frequency. As a result of this trend, this study sought to characterize cardiologists' perspectives on cardiac POCUS. An 18-question survey on demographics, cardiac POCUS clinical practice, education, and infrastructure was distributed by 16 academic medical centers.
View Article and Find Full Text PDFHemasphere
December 2024
Department of Hematology Amsterdam University Medical Centers, University of Amsterdam Amsterdam The Netherlands.
Acute cutaneous presentations in immunocompromised patients demand careful and thorough evaluation. Here, we present the case of a 26-year-old female with acute myeloid leukaemia undergoing salvage chemotherapy, who developed an acutely expanding subcutaneous mass starting on the frontotemporal scalp to the angle of the jaw. Histopathologic evaluation was consistent with sclerosing fat necrosis with overlying psoriasiform spongiotic dermatitis.
View Article and Find Full Text PDFChem Sci
December 2024
Department of Pharmacology and Pharmaceutical Sciences, Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California Los Angeles California 90089 USA
Alzheimer's Disease (AD) is a neurodegenerative disorder proven to be caused by the aggregation of protein tau into fibrils, resulting in neuronal death. The irreparable neuronal damage leads to irreversible symptoms with no cure; therefore, disaggregation of these tau fibrils could be targeted as a therapeutic approach to AD. Here we have developed a fungal natural product library to screen for secondary metabolites that have bioactive potential towards AD tau.
View Article and Find Full Text PDFJ Am Heart Assoc
December 2024
Mark and Mary Stevens Neuroimaging and Informatics Institute, Keck School of Medicine University of Southern California Los Angeles CA USA.
Background: Impaired cardiac function is associated with cognitive impairment and brain imaging features of aging. Cardiac arrhythmias, including atrial fibrillation, are implicated in clinical and subclinical brain injuries. Even in the absence of a clinical diagnosis, subclinical or prodromal substrates of arrhythmias, including an abnormally long or short P-wave duration (PWD), a measure associated with atrial abnormalities, have been associated with stroke and cognitive decline.
View Article and Find Full Text PDFObjective: This study aims to compare the long-term outcomes of Aquablation for small-to-moderate (30-80 cm) prostates with the outcomes for large (80-150 cm) prostates at 5-year follow up.
Methods: The Waterjet Ablation Therapy for Endoscopic Resection of Prostate Tissue (WATER; NCT02505919) is a prospective, double-blind, international clinical trial encompassing 116 patients, examining Aquablation versus transurethral resection of the prostate (TURP) for LUTS/BPH in prostates sized between 30 and 80 cm. In parallel, WATER II (W-II; NCT03123250), a prospective, multicentre, single-arm international clinical trial, explores Aquablation outcomes in prostates ranging from 80 to 150 cm.
J Mol Biol
October 2023
Molecular and Computational Biology Section, University of Southern California Los Angeles CA 90089 USA; Programs in Biomedical and Biological Sciences (PIBBS), Keck School of Medicine, University of Southern California Los Angeles CA 90089 USA; Center of Excellence in NanoBiophysic University of Southern California Los Angeles CA 90089, USA; Norris Comprehensive Cancer Center University of Southern California Los Angeles CA 90089 USA. Electronic address:
Laryngoscope Investig Otolaryngol
October 2024
Caruso Department of Otolaryngology - Head and Neck Surgery, Keck School of Medicine University of Southern California Los Angeles California USA.
Predation is a fundamental selective pressure on animal morphology, as morphology is directly linked with physical performance and evasion. Bipedal heteromyid rodents, which are characterized by unique morphological traits such as enlarged hindlimbs, appear to be more successful than sympatric quadrupedal rodents at escaping predators such as snakes and owls, but no studies have directly compared the escape performance of bipedal and quadrupedal rodents. We used simulated predator attacks to compare the evasive jumping ability of bipedal kangaroo rats () to that of three quadrupedal rodent groups-pocket mice (), woodrats (), and ground squirrels ().
View Article and Find Full Text PDFJ Extracell Biol
September 2024
USC Roski Eye Institute, Keck School of Medicine University of Southern California Los Angeles California USA.
Retinal pigment epithelial (RPE) cells are exclusive to the retina, critically multifunctional in maintaining the visual functions and health of photoreceptors and the retina. Despite their vital functions throughout lifetime, RPE cells lack regenerative capacity, rendering them vulnerable which can lead to degenerative retinal diseases. With advancements in stem cell technology enabling the differentiation of functional cells from pluripotent stem cells and leveraging the robust autocrine and paracrine functions of RPE cells, extracellular vesicles (EVs) secreted by RPE cells hold significant therapeutic potential in supplementing RPE cell activity.
View Article and Find Full Text PDFBackground: Electronic cigarettes have gained popularity as a nicotine delivery system, which has been recommended by some as an aid to help people quit traditional smoking. The potential long-term effects of vaping on the cardiovascular system, as well as how their effects compare with those from standard cigarettes, are not well understood. The intrinsic frequency (IF) method is a systems approach for analysis of left ventricle and arterial function.
View Article and Find Full Text PDFHealth Aff (Millwood)
September 2024
Jack M. Chapel, University of Southern California Los Angeles, California.
OTO Open
August 2024
Caruso Department of Otolaryngology-Head and Neck Surgery, Keck School of Medicine University of Southern California Los Angeles California USA.
J Am Heart Assoc
September 2024
Clinical Pharmacology and Precision Medicine William Harvey Research Institute, Queen Mary University of London United Kingdom.
J Am Coll Emerg Physicians Open
October 2024
Opioid use disorder (OUD) has emerged as a significant public health crisis affecting individuals across all age groups. However, there remains a critical gap in understanding the specific nuances and challenges associated with OUD in pediatric populations. This article provides a comprehensive review of the epidemiology, definition of OUD, screening recommendations for OUD, and evidence-based management strategies for OUD in pediatric patients.
View Article and Find Full Text PDFJ Am Coll Emerg Physicians Open
August 2024
David Geffen School of Medicine at UCLA The Lundquist Institute for Biomedical Innovation at Harbor UCLA Department of Emergency Medicine, Harbor UCLA Medical Center Torrance California USA.
Acute agitation in youth is a challenging presentation to the emergency department. In many cases, however, youth can be behaviorally de-escalated using a combination of environmental modification and verbal de-escalation. In cases where additional strategies such as pharmacologic de-escalation or physical restraint are needed, using the least restrictive means possible, including the youth in the decision-making process, and providing options are important.
View Article and Find Full Text PDFIntroduction: We examined the relationship between sedentary behavior (SB), moderate-to-vigorous physical activity (MVPA), and white matter hyperintensity (WMH) volumes, a common magnetic resonance imaging (MRI) marker associated with risk of neurodegenerative disease in middle-aged to older adults.
Methods: We used data from the UK Biobank ( = 14,415; 45 to 81 years) that included accelerometer-derived measures of SB and MVPA, and WMH volumes from MRI.
Results: Both MVPA and SB were associated with WMH volumes (β= -0.
Objective: To characterize presentation, disease course, and treatment of idiopathic subglottic stenosis (iSGS) in non-Caucasian women and compare this cohort to the predominantly female, Caucasian patient cohorts identified in the literature.
Study Design: Retrospective review. Results are compared to systematic review of demographics.
J Am Coll Emerg Physicians Open
August 2024
Department of Pediatrics, Keck School of Medicine University of Southern California Los Angeles California USA.
Asthma, the most common chronic disease in children, affects more than 4 million children in the United States, disproportionately affecting those who are economically disadvantaged and racial and ethnic minorities. Studies have shown that the racial and ethnic disparities in asthma outcomes can be largely explained by environmental, socioeconomic and other social determinants of health (SDoH). Utilizing new approaches to stratify disease severity and risk, which focus on the underlying SDoH that lead to asthma disparity, provides an opportunity to disentangle race and ethnicity from its confounding social determinants.
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