210,774 results match your criteria: "Harvard University & T. H. Chan School of Public Health.[Affiliation]"

Changes in Axial Length in Patients of Acute Retinal Necrosis Undergoing Vitrectomy.

Ocul Immunol Inflamm

January 2025

Eye Institute and Department of Ophthalmology, Eye and ENT Hospital, Fudan University, Shanghai, China.

Purpose: To observe the changes in the axial length (AL) in patients of acute retinal necrosis (ARN) undergoing vitrectomy and investigate the correlated factors.

Methods: Retrospective case series. Patients diagnosed as ARN undergoing vitrectomy with silicone oil (SO) tamponade, and with attached retina more than one year after silicone oil removal (SOR) were included.

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Distribution of opioid analgesics by community racial/ethnic and socioeconomic profiles, 2011-2021.

Pain

January 2025

Department of Population Health Sciences, Weill Cornell Medicine, New York, NY, United States.

Rapid declines in opioid analgesics dispensed in American communities since 2011 raise concerns about inadequate access to effective pain management among patients for whom opioid therapies are appropriate, especially for those living in racial/ethnic minority and socioeconomically deprived communities. Using 2011 to 2021 national data from the Automated Reports and Consolidated Ordering System and generalized linear models, this study examined quarterly per capita distribution of oxycodone, hydrocodone, and morphine (in oral morphine milligram equivalents [MMEs]) by communities' racial/ethnic and socioeconomic profiles. Communities (defined by 3-digit-zip codes areas) were classified as "majority White" (≥50% self-reported non-Hispanic White population) vs "majority non-White.

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Background: From the theoretical foundations of laser and energy-based applications for the skin to the development of advanced medical devices, the field of dermatologic surgery has undergone transformative changes.

Objective: To review the scientific and clinical advancement of laser and energy-based therapies within dermatologic surgery.

Materials And Methods: A literature search was conducted to identify important scientific advancements and landmark studies on light, laser, and energy-based devices within the field of dermatologic surgery.

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Not Enough Dentistry.

JAMA Otolaryngol Head Neck Surg

January 2025

Department of Oral and Maxillofacial Surgery, Rutgers School of Dental Medicine, Newark, New Jersey.

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Looking at the world often involves not just seeing things, but feeling things. Modern feedforward machine vision systems that learn to perceive the world in the absence of active physiology, deliberative thought, or any form of feedback that resembles human affective experience offer tools to demystify the relationship between seeing and feeling, and to assess how much of visually evoked affective experiences may be a straightforward function of representation learning over natural image statistics. In this work, we deploy a diverse sample of 180 state-of-the-art deep neural network models trained only on canonical computer vision tasks to predict human ratings of arousal, valence, and beauty for images from multiple categories (objects, faces, landscapes, art) across two datasets.

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We develop a technology based on competitive adsorption between drug molecules and water, specifically designed to address the critical issue of poor drug solubility. By specially engineering silica nanosurfaces with ultrahigh densities of silanol, we significantly enhance their affinity for both drug molecules and water, with a notably greater increase in water affinity. Such surfaces can effectively adsorb a variety of drug molecules under dry conditions.

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Epstein-Barr virus (EBV) establishes persistent infection, causes infectious mononucleosis, is a major trigger for multiple sclerosis and contributes to multiple cancers. Yet, knowledge remains incomplete about how the virus remodels host B cells to support lytic replication. We previously identified that EBV lytic replication results in selective depletion of plasma membrane (PM) B cell receptor (BCR) complexes, composed of immunoglobulin and the CD79A and CD79B signaling chains.

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Prescriptions (Rx) for Prevention: Clinical Tools for Integrating Environmental Health into Pediatric Clinical Care.

J Public Health Manag Pract

January 2025

Department of Environmental Medicine and Public Health (Mr Bland, Dr Zajac, Ms Guel, Dr Pendley, Dr Galvez, Dr Sheffield), Icahn School of Medicine at Mount Sinai, New York, New York; Harvard Kenneth C. Griffin Graduate School of Arts and Sciences (Mr Wilson), Boston, Massachusetts; Environmental Research and Translation for Health (EaRTH) Center (Ms Charlesworth), University of California, San Francisco, California; Community Engagement Core, Environmental Health Sciences Center at Department of Environmental Medicine (Dr Korfmacher), University of Rochester Medical Center, Rochester, New York; Pediatric Environmental Health and Cincinnati Children's Hospital Medical Center (Dr Newman), Cincinnati, Ohio; Philadelphia Regional Center for Children's Environmental Health, Center of Excellence in Environmental Toxicology, Perelman School of Medicine (Dr Howarth), University of Pennsylvania, Philadelphia, Pennsylvania; and Division of Academic General Pediatrics, Children's Hospital at Montefiore (Dr Balk), Albert Einstein College of Medicine, Bronx, New York.

The integration of environmental health (EH) into routine clinical care for children is in its early stages. The vision of pediatric EH is that all clinicians caring for children are aware of and able to help connect families to needed resources to reduce harmful environmental exposures and increase health-enhancing ones. Environmental exposures include air pollution, substandard housing, lead, mercury, pesticides, consumer products chemicals, drinking water contaminants, industrial facility emissions and, increasingly, climate change-related extreme weather and heat events.

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Background: Outpatient worsening heart failure (HF), defined by initiation or intensification of diuretics, is adversely prognostic for patients with either reduced or preserved ejection fraction.

Objectives: This study sought to investigate the prognostic value of outpatient worsening HF in transthyretin amyloidosis with cardiomyopathy and the effect of patisiran treatment.

Methods: Post hoc analyses of the APOLLO-B trial (NCT03997383) evaluated the associations between outpatient worsening HF (defined by oral diuretic initiation or intensification), measures of disease progression, and a composite endpoint of all-cause mortality and cardiovascular (CV) events.

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Background: Chronic limb-threatening ischemia (CLTI) in patients with chronic kidney disease (CKD) has a high risk of poor outcomes. We aimed to compare the outcomes of lower extremity revascularization in patients with CLTI stratified by CKD severity in patients enrolled in the prospective, randomized Best Endovascular vs Best Surgical Therapy in Patients with CLTI (BEST-CLI) trial.

Methods: The BEST-CLI trial dataset was queried to categorize patients into three groups according to CKD stage.

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Background: Postprocedural pericarditis (PP) can occur in up to 29.4% of patients undergoing epicardial catheter ablation of ventricular tachycardia (VT). Despite several proposed strategies to mitigate this adverse outcome, rates of PP and pericarditic pain remain high.

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One key challenge in the study of nonadiabatic dynamics in open quantum systems is to balance computational efficiency and accuracy. Although Ehrenfest dynamics (ED) is computationally efficient and well-suited for large complex systems, ED often yields inaccurate results. To address these limitations, we improve the accuracy of the traditional ED by adding a random force (E + σ).

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Phenomenological Modeling of Antibody Response from Vaccine Strain Composition.

Antibodies (Basel)

January 2025

Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA.

The elicitation of broadly neutralizing antibodies (bnAbs) is a major goal of vaccine design for highly mutable pathogens, such as influenza, HIV, and coronavirus. Although many rational vaccine design strategies for eliciting bnAbs have been devised, their efficacies need to be evaluated in preclinical animal models and in clinical trials. To improve outcomes for such vaccines, it would be useful to develop methods that can predict vaccine efficacies against arbitrary pathogen variants.

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Fixed sleep schedules with an 8 h time in bed (TIB) are used to ensure participants are well-rested before laboratory studies. However, such schedules may lead to cumulative excess wakefulness in young individuals. Effects on older individuals are unknown.

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Interest in Injectable and Oral PrEP for HIV Prevention Among Women and Men Who Inject Drugs.

J Addict Med

January 2025

From the Division of General Internal Medicine, Department of Medicine, University of Washington, Seattle, WA (EPB, JIT); Department of Public Health Sciences, Clemson University, Clemson, SC (MH, SSL); School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada (LBS); Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD (SM); Division of HIV, Infectious Diseases, and Global Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA (PL); Department of Pharmacy Practice and Clinical Research, University of Rhode Island, Kingston, RI (LET); West Virginia University School of Medicine, Morgantown, WV (JF); Division of Infectious Diseases, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA (AK); Department of Medicine, Albert Einstein College of Medicine/Montefiore Medical Center, New York, NY (BN); Department of Psychology, Clemson University, Clemson, SC (IP-V); University of New Mexico Health Sciences Center, Department of Internal Medicine, University of New Mexico, Albuquerque, NM (KP); and Department of Medicine, University of South Carolina School of Medicine, Greenville, SC (AHL).

Background: People who inject drugs (PWID) are at increased risk for human immunodeficiency virus (HIV). Women who inject are a particularly vulnerable group. Preexposure prophylaxis (PrEP) is effective, but access and uptake has been limited.

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Introduction: Pain from the cervical facet joints, either due to degenerative conditions or due to whiplash-related trauma, is very common in the general population. Here, we provide an overview of the literature on the diagnosis and treatment of cervical facet-related pain with special emphasis on interventional treatment techniques.

Methods: A literature search on the diagnosis and treatment of cervical facet joint pain and whiplash-associated disorders (WAD) was performed using PubMed, Cochrane, and Embase databases.

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Our commentary proposes the application of directed acyclic graphs (DAGs) in the design of decision-analytic models, offering researchers a valuable and structured tool to enhance transparency and accuracy by bridging the gap between causal inference and model design in medical decision making.The practical examples in this article showcase the transformative effect DAGs can have on model structure, parameter selection, and the resulting conclusions on effectiveness and cost-effectiveness.This methodological article invites a broader conversation on decision-modeling choices grounded in causal assumptions.

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Measuring the effects of motion corruption in fetal fMRI.

Hum Brain Mapp

February 2025

Computational Imaging Research Lab, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria.

Irregular and unpredictable fetal movement is the most common cause of artifacts in in utero functional magnetic resonance imaging (fMRI), affecting analysis and limiting our understanding of early functional brain development. The accurate detection of corrupted functional connectivity (FC) resulting from motion artifacts or preprocessing, instead of neural activity, is a prerequisite for reliable and valid analysis of FC and early brain development. Approaches to address this problem in adult data are of limited utility in fetal fMRI.

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Background: There is a lack of evidence regarding the association between plasma phenylacetylglutamine levels and lesion severity and clinical prognosis in patients with ST-segment elevation myocardial infarction (STEMI) with multivessel coronary disease (MVCD). This study aims to investigate the potential of phenylacetylglutamine as a biomarker for major adverse cardiovascular events (MACEs) of patients with STEMI and MVCD.

Methods And Results: Clinical data and blood samples were collected from 631 patients with STEMI and MVCD, who underwent primary percutaneous coronary intervention.

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Background: Systemic inflammation, aging, and type 2 diabetes (T2D) lead to varying degrees of cardiovascular dysfunction and impaired aerobic exercise capacity. This study evaluates the impact of inflammation and sex differences on coronary and peripheral vascular function and exercise capacity in older individuals with and without T2D.

Methods: Older individuals (aged≥65 years) underwent biochemical and tissue inflammatory phenotyping, cardiopulmonary exercise testing, cardiovascular magnetic resonance imaging, and vascular reactivity testing.

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Background: Echocardiographic evaluation of vegetations is crucial in infective endocarditis (IE). Although several studies have noted a link between larger vegetations and an increased risk of embolization, a more comprehensive evaluation of vegetation characteristics in a contemporary cohort has not been conducted. Our study aimed to define the short-term risk of symptomatic embolization in patients with IE.

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Osteoarthritis (OA) shows various clinical manifestations depending on the status of its joint components. We aimed to identify the synovial cell subsets responsible for OA pathophysiology by comprehensive analyses of human synovium samples in single-cell resolution. Two distinct OA synovial tissue groups were classified by gene expression profiles in RNA-Seq: inflammatory and fibrotic.

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Diabetes mellitus can cause impaired and delayed wound healing, leading to lower extremity amputations; however, the mechanisms underlying the regulation of vascular endothelial growth factor-dependent (VEGF-dependent) angiogenesis remain unclear. In our study, the molecular underpinnings of endothelial dysfunction in diabetes are investigated, focusing on the roles of disabled-2 (Dab2) and Forkhead box M1 (FOXM1) in VEGF receptor 2 (VEGFR2) signaling and endothelial cell function. Bulk RNA-sequencing analysis identified significant downregulation of Dab2 in high-glucose-treated primary mouse skin endothelial cells.

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White matter hyperintensities (WMHs) are commonly detected on T2-weighted magnetic resonance imaging (MRI) scans, occurring in both typical aging and Alzheimer's disease (AD). Despite their frequent appearance and their association with cognitive decline in AD, the molecular factors contributing to WMHs remain unclear. In this study, we investigated the transcriptomic profiles of two commonly affected brain regions with coincident AD pathology-frontal subcortical white matter (frontal-WM) and occipital subcortical white matter (occipital-WM)-and compared with age-matched cognitively intact controls.

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