909 results match your criteria: "UT Health Austin & Dell Children's Medical Center[Affiliation]"

A practical framework for Long COVID treatment in primary care.

Life Sci

October 2024

Department of Neurology, Dell Medical School, The University of Texas at Austin, 1601 Trinity St, Austin, TX 78712, USA.

Long COVID is a complex, multisystem illness with a poorly understood pathophysiology, absence of specific diagnostic tests or criteria, or evidence-based treatments. With over 200 identified symptoms and approximately 10% of COVID-19 cases resulting in Long COVID, it is a challenge to provide comprehensive treatment at a scale commensurate with the illness burden. The diverse manifestations of Long COVID, encompassing numerous medical specialties, typically place primary care providers (PCPs) at the forefront of management, navigating an evolving landscape of research and lack of evidence-based guidelines.

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Objectives: Patients with dextro-transposition of the great arteries (d-TGA) frequently undergo balloon atrial septostomy (BAS) prior to the arterial switch operation (ASO) to promote atrial-level mixing. Balloon atrial septostomy has inherent risks as an invasive procedure and may not always be necessary. This study revisits the routine utilization of BAS prior to ASO.

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Sacituzumab Govitecan (SG) is an antibody-drug conjugate that has demonstrated efficacy in patients with TROP-2 expressing epithelial cancers. In a xenograft model of intracranial breast cancer, SG inhibited tumor growth and increased mouse survival. We conducted a prospective window-of-opportunity trial (NCT03995706) at the University of Texas Health Science Center at San Antonio to examine the intra-tumoral concentrations and intracranial activity of SG in patients undergoing craniotomy for breast cancer with brain metastases (BCBM) or recurrent glioblastoma (rGBM).

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Article Synopsis
  • - CASTs utilize CRISPR proteins and transposons for genetic transmission but cannot acquire new genetic information on their own.
  • - Research indicates that CASTs can appropriate existing CRISPR arrays from defense systems for horizontal gene transfer, particularly in type I-B and type V CAST sub-types.
  • - Additionally, findings reveal that type V CASTs have a unique unguided transposition ability, and understanding this can aid in improving their use for gene editing in different bacterial environments.
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Reporting tumor genomic test results to SEER registries via linkages.

J Natl Cancer Inst Monogr

August 2024

Surveillance Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA.

Article Synopsis
  • Precision medicine is increasingly important in cancer care, but tumor genomic data has been lacking in the National Cancer Institute's SEER Program, limiting research on molecular subtypes.
  • To improve this, the SEER Program has implemented a centralized process to link cancer cases in their registries with genomic test results from molecular labs, using specialized software and a trusted third party for data handling.
  • Recent linkages have included various OncotypeDX tests and results from other genomic classifiers, which facilitate the research community's access to valuable, de-identified data for cancer studies.
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Background: Pediatric trauma centers have had challenges meeting the American College of Surgeons criteria for screening and intervening for alcohol with adolescent trauma patients. The study objective was to conduct an implementation trial to evaluate the effectiveness of the Science to Service Laboratory (SSL) implementation strategy in improving alcohol and other drugs (AOD) screening, brief intervention, and referral to treatment (SBIRT) delivery at pediatric trauma centers.

Methods: Using a stepped wedge cross-over cluster randomized design, 10 US pediatric trauma centers received the SSL implementation strategy to deliver SBIRT with admitted adolescent (12-17 years old) trauma patients.

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Multiple randomized controlled trials of hypothermia for moderate or severe neonatal hypoxic-ischemic encephalopathy (HIE) have uniformly demonstrated a reduction in death or disability at early childhood evaluation. These initial trials along with other smaller studies established hypothermia as a standard of care in the neonatal community for moderate or severe HIE. The results of the initial trials have identified gaps in knowledge.

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The effect of prior inotuzumab ozogamicin (InO) treatment on brexucabtagene autoleucel (brexu-cel) outcomes remains unclear in adults with acute lymphoblastic leukemia (ALL). We conducted a retrospective multicenter analysis of 189 patients with relapsed/refractory ALL treated with brexu-cel. Over half of the patients received InO before brexu-cel (InO exposed).

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The potential and threat of digital tools to achieve health equity has been highlighted for over a decade, but the success of achieving equitable access to health technologies remains challenging. Our paper addresses renewed concerns regarding equity in digital health access that were deepened during the COVID-19 pandemic. Our viewpoint is that (1) digital health tools have the potential to improve health equity if equitable access is achieved, and (2) improving access and equity in digital health can be strengthened by considering behavioral science-based strategies embedded in all phases of tool development.

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  • The study aimed to identify factors affecting when infants with severe bronchopulmonary dysplasia (sBPD) can be liberated from ventilators and successfully decannulated.
  • Results showed that on average, ventilation liberation occurred at 27 months and decannulation at 49 months, with factors like age at discharge, ventilator pressure, and respiratory readmissions influencing these timings.
  • Conclusions highlighted that individual factors predominantly drive the differences in timing, while aggressive management of gastroesophageal reflux affected decannulation timelines.
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Although family caregivers are increasingly recognized for their essential role in helping vulnerable adults live in the community for as long as possible, their priorities and perspectives have not been well-integrated into quality assessments of home- and community-based services (HCBS). Our overall goal was to identify measurement gaps to guide monitoring and improve HCBS. Caregiver-specific measurement priorities were identified during a multi-level stakeholder engagement process that included 34 Veterans, 24 caregivers, and 39 facility leaders, clinicians, and staff across four VA healthcare systems.

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Introduction: Lower limb orthoses (LLOs) and assistive devices (ADs) can be used together or separately to improve mobility when performing daily activities. The goal of this study was to examine utilization of LLOs and ADs in a national sample of adult LLO users.

Methods: A survey was designed to ask participants whether they typically use their LLOs and/or ADs to perform 20 daily activities.

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The COVID-19 pandemic has highlighted the need to upgrade systems for infectious disease surveillance and forecasting and modeling of the spread of infection, both of which inform evidence-based public health guidance and policies. Here, we discuss requirements for an effective surveillance system to support decision making during a pandemic, drawing on the lessons of COVID-19 in the U.S.

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  • The study investigates the link between post-traumatic stress disorder (PTSD) and differences in DNA methylation, a type of gene regulation, in blood samples from individuals diagnosed with PTSD compared to trauma-exposed controls.
  • Researchers conducted a large-scale analysis involving over 5,000 participants from various civilian and military studies, using standardized procedures for PTSD assessment and DNA methylation testing.
  • The results revealed 11 specific DNA methylation sites associated with PTSD, and found similarities in methylation patterns between blood and brain tissues, suggesting a biological basis for the condition.
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Objectives: Urine drug testing (UDT) is a critical tool used in medical, forensic, and occupational settings, but interpreting results can be challenging. We performed a study to assess the ability of health care professionals to interpret UDT results accurately.

Methods: In total, 911 clinical and laboratory professionals in the United States and Canada responded to a survey with questions gauging expertise in UDT interpretation.

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Extreme inflammation that continues even after infections can lead to a cytokine storm. In recent times, one of the most common causes of cytokine storm activation has been SARS-CoV-2 infection. A cytokine storm leads to dysregulation and excessive stimulation of the immune system, producing symptoms typical of post-COVID syndrome, including chronic fatigue, shortness of breath, joint pain, trouble concentrating (known as "brain fog"), and even direct organ damage in the heart, lungs, kidneys, and brain.

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Early Life Adversity, Microbiome, and Inflammatory Responses.

Biomolecules

July 2024

Department of Psychiatry and Behavioral Sciences, Mulva Clinic for Neurosciences, University of Texas (UT) Dell Medical School, Austin, TX 78712, USA.

Early life adversity has a profound impact on physical and mental health. Because the central nervous and immune systems are not fully mature at birth and continue to mature during the postnatal period, a bidirectional interaction between the central nervous system and the immune system has been hypothesized, with traumatic stressors during childhood being pivotal in priming individuals for later adult psychopathology. Similarly, the microbiome, which regulates both neurodevelopment and immune function, also matures during childhood, rendering this interaction between the brain and the immune system even more complex.

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Background: Cardiac arrest is a common and devastating emergency of both the heart and brain. More than 380,000 patients suffer out-of-hospital cardiac arrest annually in the USA. Induced cooling of comatose patients markedly improved neurological and functional outcomes in pivotal randomized clinical trials, but the optimal duration of therapeutic hypothermia has not yet been established.

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Image-guided patient-specific optimization of catheter placement for convection-enhanced nanoparticle delivery in recurrent glioblastoma.

Comput Biol Med

September 2024

Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, TX, 78712, USA; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, 78712, USA; Department of Diagnostic Medicine, The University of Texas at Austin, Austin, TX, 78712, USA; Department of Oncology, The University of Texas at Austin, Austin, TX, 78712, USA; Livestrong Cancer Institutes, The University of Texas at Austin, Austin, TX, 78712, USA; Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA.

Background: Proper catheter placement for convection-enhanced delivery (CED) is required to maximize tumor coverage and minimize exposure to healthy tissue. We developed an image-based model to patient-specifically optimize the catheter placement for rhenium-186 (Re)-nanoliposomes (RNL) delivery to treat recurrent glioblastoma (rGBM).

Methods: The model consists of the 1) fluid fields generated via catheter infusion, 2) dynamic transport of RNL, and 3) transforming RNL concentration to the SPECT signal.

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Article Synopsis
  • Klinefelter syndrome is a genetic condition characterized by the presence of an extra X chromosome (47,XXY), occurring in about 1 in 600 male births, while a rarer combination with some 46,XX cells also exists.
  • A study analyzed the clinical records of 34 patients with this unique karyotype across 14 medical institutions, finding significant variability in symptoms and the proportion of XX cells in their samples.
  • The research concluded that clinical manifestations are highly diverse, which complicates treatment, and emphasized the importance of using advanced genetic testing methods to accurately identify the condition due to potential mosaicism.
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In everyday life, people need to respond appropriately to many types of emotional stimuli. Here, we investigate whether human occipital-temporal cortex (OTC) shows co-representation of the semantic category and affective content of visual stimuli. We also explore whether OTC transformation of semantic and affective features extracts information of value for guiding behavior.

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Stroke in critically ill patients with respiratory failure due to COVID-19: Disparities between low-middle and high-income countries.

Heart Lung

October 2024

Division of Neuroscience Critical Care, Departments of Neurology, Neurosurgery, and Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Article Synopsis
  • A study was conducted to compare stroke incidences and mortality rates in critically ill COVID-19 patients from low-and middle-income countries (LMICs) and high-income countries (HICs).
  • The results showed that stroke incidence was significantly higher in LMICs (35.7 per 1000 admitted-days) compared to HICs (17.6 per 1000 admitted-days), with patients from LMICs also facing higher mortality rates (43.6% vs. 29.2%).
  • The findings highlight the need for better stroke diagnosis and healthcare resource allocation in LMICs, as both higher income status and the presence of stroke are associated with increased risk of death
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Chronic kidney disease (CKD) impacts 14% of adults in the United States, and African American (AA) individuals are disproportionately affected, with more than 3 times higher risk of kidney failure as compared to White individuals. This study evaluated the effects of base-producing fruit and vegetables (FVs) on cardiorenal outcomes in AA persons with CKD and hypertension (HTN) in a low socioeconomic area. The "Cardiorenal Protective Diet" prospective randomized trial evaluated the effects of a 6-week, community-based FV intervention compared to a waitlist control (WL) in 91 AA adults (age = 58.

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Purpose: Metabolic and bariatric surgery (MBS) is presently the most evidence-based, effective treatment of obesity. Nevertheless, only half of the eligible individuals who are referred for this procedure complete it. This study aims to investigate the association between social support and MBS completion, considering race and ethnicity.

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Infants less than 1 year old diagnosed with KMT2A-rearranged (KMT2A-r) acute lymphoblastic leukemia (ALL) are at high risk of failure to achieve remission, relapse, and death due to leukemia, despite intensive therapies. Infant KMT2A-r ALL blasts are characterized by DNA hypermethylation. Epigenetic priming with DNA methyltransferase inhibitors increases the cytotoxicity of chemotherapy in preclinical studies.

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