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Articles 2011 - 2040 of 15602

Full-Text Articles in Entire DC Network

Gallium Β-Cyclodextrin Nanoparticles Containing Both Gallium Protoporphyrin And Gallium Nitrate Exhibit Antimicrobial Activity Against Nontuberculous Mycobacteria In Vitro And In Vivo, Seoung-Ryoung Choi, Bradley E. Britigan, Prabagaran Narayanasamy Jan 2025

Gallium Β-Cyclodextrin Nanoparticles Containing Both Gallium Protoporphyrin And Gallium Nitrate Exhibit Antimicrobial Activity Against Nontuberculous Mycobacteria In Vitro And In Vivo, Seoung-Ryoung Choi, Bradley E. Britigan, Prabagaran Narayanasamy

Journal Articles: Pulmonary & Critical Care Med

Effective and safe antibiotics active against pathogenic mycobacterial species are needed. Iron is an essential element for bacterial survival. Ga(NO3)3 (GN) and Ga protoporphyrin (GP) as iron mimetics have each been shown to inhibit the iron metabolism and growth of various mycobacterial species. In this study, the dual cyclodextrin nanoparticle (CDGPGN) is prepared that carries GP and GN using a sonication homogenization technique to increase the efficacy of the combination therapy. CDGPGN shows a long-acting antimicrobial activity against Mycobacteroides abscessus residing in monocyte-derived macrophages (MDM). A murine pulmonary study showed that the CDGPGN also inhibited the growth …


An Extremely Rare Case Of Group C Streptococcal Cavitary Pneumonia In Young Female, Arjun Kamath, Jorge Garza, Ethan Goldberg, Deekshita Valiveti, Abhay Vakil, Zuhair Ali Jan 2025

An Extremely Rare Case Of Group C Streptococcal Cavitary Pneumonia In Young Female, Arjun Kamath, Jorge Garza, Ethan Goldberg, Deekshita Valiveti, Abhay Vakil, Zuhair Ali

Gulf Coast Division GME Research Day 2025

No abstract provided.


Do Patients Who Receive Dexmedetomidine As An Adjunct To Spinal Anesthesia For Cesarean Delivery Achieve Longer Block Duration Compared To Those Who Receive Spinal Anesthesia With Local Anesthetic Alone?, Liana S. Garrison Jan 2025

Do Patients Who Receive Dexmedetomidine As An Adjunct To Spinal Anesthesia For Cesarean Delivery Achieve Longer Block Duration Compared To Those Who Receive Spinal Anesthesia With Local Anesthetic Alone?, Liana S. Garrison

Theses, Dissertations and Capstones

Problem Statement: Cesarean delivery is associated with significant postoperative pain, typically managed with spinal anesthesia using a local anesthetic. While opioids are often added as adjuncts, the addition of dexmedetomidine, an alpha-2 agonist, has emerged as a potential alternative that may enhance the efficacy of the spinal block in terms of pain management, potentially improving block duration and quality compared to local anesthetic alone.

Methodology: A literature review was conducted on the use of dexmedetomidine as an adjunct to spinal anesthesia for patients undergoing cesarean sections. Databases used for the search included PubMed, CINAHL Complete, and MEDLINE. The keywords used …


Comprehensive Characterization Of Chronic Midazolam Exposure On Neonates And Long-Term Neurodevelopment, Nghi M. Nguyen, Pranavi Athota, Adrian Flores, Andrew Trease, Daniel Meyer, Vamsi K. Singu, Chandan Krishnamoorthy, Victoria L. Schaal, Reeyan Bhakat, Kunal Sualy, Sathish Kumar Natarajan, Kelly L. Stauch, Sowmya V. Yelamanchili, Gurudutt Pendyala Jan 2025

Comprehensive Characterization Of Chronic Midazolam Exposure On Neonates And Long-Term Neurodevelopment, Nghi M. Nguyen, Pranavi Athota, Adrian Flores, Andrew Trease, Daniel Meyer, Vamsi K. Singu, Chandan Krishnamoorthy, Victoria L. Schaal, Reeyan Bhakat, Kunal Sualy, Sathish Kumar Natarajan, Kelly L. Stauch, Sowmya V. Yelamanchili, Gurudutt Pendyala

Journal Articles: Anesthesiology

Approximately 1 in 10 U.S. newborns are born preterm (< 37 weeks of gestation), facing risks of low birth weight, respiratory and birth deficits often requiring surgery, mechanical ventilation, and prolonged sedation. Such long-term exposure to sedatives in these babies can potentially pose neurodevelopmental risks and can further impact changes later in life. The present study focused on midazolam (MDZ), a benzodiazepine class drug commonly used as sedative in the neonatal intensive care unit (NICU). Using a robust preclinical rodent model mimicking chronic MDZ exposure, we did a comprehensive characterization on the phenotypic, molecular, biochemical, and behavioral outcomes in these exposed neonates across key developmental milestones. Our findings indicate that long-term MDZ exposure during the neonatal period negatively affects physical attributes in early childhood. While adult bodyweights between control and MDZ-exposed rats remain comparable, the MDZ rats exhibit accelerated and robust weight gain, potentially indicating a predisposition for binge eating behavior. Additionally, dopamine release in MDZ-exposed rats is markedly reduced in adulthood. Elevated levels of pro-inflammatory cytokines and growth factors in the brain during adulthood suggest a shift in development due to early MDZ exposure. Further, trends of heightened anxiety-like behavior and reduced social interaction during early adolescence compared to other stages were observed. Collectively, our study provides a comprehensive assessment of how long-term MDZ exposure during neonatal stages impacts outcomes throughout life, laying the foundation for understanding mechanisms that contribute to neurodevelopmental complications associated with long-term MDZ use in neonates.


A Rare Case Of Brucellosis Relapse, Rabia Mahfooz, Grant Patterson, Annmary Behanan, Babivigasan Gunasegaran Jan 2025

A Rare Case Of Brucellosis Relapse, Rabia Mahfooz, Grant Patterson, Annmary Behanan, Babivigasan Gunasegaran

Gulf Coast Division GME Research Day 2025

No abstract provided.


Excitation And Polarization Of Isolated Neurons By High-Frequency Sine Waves For Temporal Interference Stimulation, Iurii Semenov, Vitalii Kim, Giedre Silkuniene, Andrei G. Pakhomov Jan 2025

Excitation And Polarization Of Isolated Neurons By High-Frequency Sine Waves For Temporal Interference Stimulation, Iurii Semenov, Vitalii Kim, Giedre Silkuniene, Andrei G. Pakhomov

Bioelectrics Publications

The capacity of temporal interference (TI) stimulation to target deep brain regions without affecting nearby surface electrodes remains uncertain. Using artifact-free optical recording, we compare excitation patterns and thresholds in hippocampal neurons stimulated by “pure” and amplitude-modulated sine waves, representing TI waveforms near electrodes and at the target, respectively. We show that pure 2- and 20-kHz sine waves induce repetitive firing at rates that increase up to 60–90 Hz with stronger electric fields. Beyond this limit, action potentials merge into sustained depolarization, resulting in an excitation block. Modulating the sine waves at 20 Hz aligns firing with amplitude “beats” and …


Portable Multi-Parametric Microscopy For Noninvasive Metabolic And Vascular Imaging Of Orthotopic Tongue Cancer Models In Vivo, Pranto Soumik Saha, Jing Yan, Caigang Zhu Jan 2025

Portable Multi-Parametric Microscopy For Noninvasive Metabolic And Vascular Imaging Of Orthotopic Tongue Cancer Models In Vivo, Pranto Soumik Saha, Jing Yan, Caigang Zhu

Markey Cancer Center Faculty Publications

Significance: Precise imaging of tumor metabolism with its vascular microenvironment becomes emerging critical for cancer research because increasing evidence shows that the key attribute that allows a tumor to survive therapies is metabolic and vascular reprogramming. However, there are surprisingly few imaging techniques available to provide a systems-level view of tumor metabolism and vasculature in vivo on small animals for cancer discoveries.

Aim: We aim to develop a new multi-parametric microscope that can faithfully recapitulate in vivo metabolic and vascular changes with a wide field of view and microscope-level resolution to advance cancer-related investigations. To maximize the ease and accessibility …


Exploring The Link Between Low-Income Communities And Increased Cancer Risk From Nitrate Contamination In Drinking Water: A Review, Anna Wiggins, Rena Phillips, Michael L. Phillips, Wei-Hsiung Yang Jan 2025

Exploring The Link Between Low-Income Communities And Increased Cancer Risk From Nitrate Contamination In Drinking Water: A Review, Anna Wiggins, Rena Phillips, Michael L. Phillips, Wei-Hsiung Yang

South Atlantic Division GME Research Day 2025

No abstract provided.


Allergic Bronchopulmonary Aspergillosis In Pediatric Asthma : A Diagnostic Challenge Mimicking Tuberculosis, Praveen Das, Santosh Kondekar, Surbhi Rathi Jan 2025

Allergic Bronchopulmonary Aspergillosis In Pediatric Asthma : A Diagnostic Challenge Mimicking Tuberculosis, Praveen Das, Santosh Kondekar, Surbhi Rathi

Digital Journal of Clinical Medicine

Allergic bronchopulmonary aspergillosis (ABPA) is a rare hypersensitivity reaction to Aspergillus fumigatus, more commonly observed in adults and patients with cystic fibrosis. It can, however, present in pediatric asthmatics with refractory symptoms, leading to diagnostic challenges due to overlapping features with other pulmonary diseases, including tuberculosis. ABPA should be considered in children with uncontrolled asthma and atypical radiologic features, especially when unresponsive to standard therapies. Early recognition and appropriate management are critical to prevent irreversible lung damage and improve quality of life.


Deep Dive In Sound Filtering, Cecilia Zoutewelle Jan 2025

Deep Dive In Sound Filtering, Cecilia Zoutewelle

A. The Science of Sound

A 7-page report, with illustrations and bullet-point summaries, on the ways we filter sounds as part of the standard process of hearing. Includes brief considerations of evolution, selective listening in conversations, and listening bias.


The History Of Cardiopulmonary Resuscitation And Where We Are Today, Maren Downing, Eren Sakarcan, Kristen Quinn Jan 2025

The History Of Cardiopulmonary Resuscitation And Where We Are Today, Maren Downing, Eren Sakarcan, Kristen Quinn

General Surgery Resident Research

Cardiac arrest remains a leading cause of death worldwide and is a global health crisis. First described in the medical literature in the 18th century, modern cardiopulmonary resuscitation (CPR) with closed chest compressions has remained the standard of care since 1960. Despite exponential advances in basic science research and technological innovations, cardiac arrest survival remains a dismal 10%. The standard of care closed chest compressions provide only 20–30% of baseline cardiac output to the body. Have modern therapies plateaued in effectiveness? This article reviews the history of cardiac arrest, its therapies, and opportunities for future treatments. Through an exploration into …


Igf-1 As A Biomarker For Symptom Severity In Adult Traumatic Brain Injury: Evidence From An Observational Study, Justin Weppner, Kimberly Rosenthal, Jennifer Bath, Tonja Locklear, Melissa Martinez Jan 2025

Igf-1 As A Biomarker For Symptom Severity In Adult Traumatic Brain Injury: Evidence From An Observational Study, Justin Weppner, Kimberly Rosenthal, Jennifer Bath, Tonja Locklear, Melissa Martinez

Department of Physical Medicine & Rehabilitation Faculty Publications

Traumatic brain injury (TBI)-related growth hormone deficiency is often undertreated, despite documented physical, metabolic, and neuropsychiatric effects. Insulin-like growth factor (IGF-1), with neuroreceptors located in brain regions responsible for learning, memory, and mood, regulates cerebral blood flow, neurogenesis, and neuroplasticity. The aim of this study was to determine associations between IGF-1 levels and post-TBI symptom severity, anxiety, and depression. This retrospective observational study at an Academic Brain Injury Center included participants evaluated 3-12 months post-TBI with available IGF-1 values and complete Rivermead Post-Concussion Symptoms Questionnaire (RPQ-13), Generalized Anxiety Disorder-7 (GAD-7), and Patient Health Questionnaire-9 (PHQ-9) responses. Patients under 18 or …


Converting “Nonlesional” Imaging Occult Epilepsy Into A Focal Lesional Entity Using Advanced Imaging Techniques: Illustrative Case, Muhammad Usman Khalid, Flavius D. Raslau, Valentinos Zachariou, David Powell, Zachary Winder, Ryan Cloyd, Sarah Helen Thomas, John Kuipers, Rachel Ward Mitchell, Riham H. El Khouli, Timothy J. Ainger, Sally Mathias, Farhan A. Mirza Jan 2025

Converting “Nonlesional” Imaging Occult Epilepsy Into A Focal Lesional Entity Using Advanced Imaging Techniques: Illustrative Case, Muhammad Usman Khalid, Flavius D. Raslau, Valentinos Zachariou, David Powell, Zachary Winder, Ryan Cloyd, Sarah Helen Thomas, John Kuipers, Rachel Ward Mitchell, Riham H. El Khouli, Timothy J. Ainger, Sally Mathias, Farhan A. Mirza

Neurosurgery Faculty Publications

BACKGROUND To achieve the best possible outcome in surgical refractory epilepsy, the seizure onset zone must be accurately identified prior to treatment.

OBSERVATIONS A 38-year-old man presented with tonic-clonic and focal seizures 2–3 times per month, refractory to antiseizure medications. Scalp EEG, MRI, PET, ictal SPECT, magnetoencephalography, and stereo-EEG (SEEG) did not provide conclusive seizure onset zone localization. Subsequently, the patient was included in the authors’ ongoing postictal arterial spin labeling (ASL) study and additional postprocessing was performed with a morphometric analysis program (MAP) and texture analysis. Using these results, the authors reexamined the original structural MR images, with attention …


Complete High Thoracic Spinal Cord Injury Causes Bowel Dysfunction In Mice, Olivia Wireman, Ellie L. Sams, Lynnet E. Richey, Gabrielle V. Hammers, Andrew N. Stewart, William M. Bailey, Samir P. Patel, John C. Gensel Jan 2025

Complete High Thoracic Spinal Cord Injury Causes Bowel Dysfunction In Mice, Olivia Wireman, Ellie L. Sams, Lynnet E. Richey, Gabrielle V. Hammers, Andrew N. Stewart, William M. Bailey, Samir P. Patel, John C. Gensel

Spinal Cord and Brain Injury Research Center Faculty Publications

Bowel dysfunction, is a prevalent and life-impacting comorbidity of spinal cord injury (SCI) with no long-term treatment available. SCI-induced colon changes including motility and fibrosis are understudied as are strategies to address SCI bowel dysfunction. This need remains partly due to the lack of a mouse model that recapitulates the human condition. We hypothesized that a high thoracic spinal transection in mice would trigger bowel dysfunction with coincident colon pathology similar to humans and rats after SCI. We observed bowel dysfunction as increased fecal pellet numbers within the colon, smaller pellet size, and decreased motility. Fecal pellets numbers in the …


Characterization Of Litigation After Tympanoplasty And Mastoidectomy In The United States, Alyssa D. Reese, Lauren A. Dinardo, Soumya Gupta, Kristina F. Powers, Samuel Colca, Michele M. Carr Jan 2025

Characterization Of Litigation After Tympanoplasty And Mastoidectomy In The United States, Alyssa D. Reese, Lauren A. Dinardo, Soumya Gupta, Kristina F. Powers, Samuel Colca, Michele M. Carr

Department of Otolaryngology (ENT) Faculty Publications

Introduction

Tympanoplasty and mastoidectomy are common procedures performed by otolaryngologists that can result in complications for which patients may seek compensation. Medical malpractice case analyses may offer insight into how clinicians can avoid risk and improve patient satisfaction. We aimed to comprehensively characterize litigation after mastoidectomies and tympanoplasties in the United States.

Methods

The Westlaw Campus Research legal database was searched for all available court decisions associated with claims of medical malpractice after tympanoplasty and/or mastoidectomy in the United States between 1975 and 2022. Information on the plaintiffs' relationships to the patients, patient characteristics, states where the procedures took place, …


A Comparison Of Allergen Sensitization Profiles In Patients With Chronic Rhinosinusitis With And Without Nasal Polyposis, Lauren Trzcinski, Suhas Bharadwaj, Randall A. Bloch, Joseph K. Han, Kent K. Lam Jan 2025

A Comparison Of Allergen Sensitization Profiles In Patients With Chronic Rhinosinusitis With And Without Nasal Polyposis, Lauren Trzcinski, Suhas Bharadwaj, Randall A. Bloch, Joseph K. Han, Kent K. Lam

Department of Otolaryngology (ENT) Faculty Publications

Chronic rhinosinusitis (CRS) and allergic rhinitis (AR) are common comorbid sinonasal conditions. CRS is classically divided into two distinct phenotypes: CRS with nasal polyposis (CRSwNP) and CRS without nasal polyposis (CRSsNP). The purpose of this retrospective observational study is to determine whether aeroallergen sensitization profiles in patients with comorbid CRS and AR can distinguish between CRSwNP and CRSsNP. A total of 241 patients diagnosed with comorbid CRS and AR who underwent skin prick testing or in vitro allergy testing in a single tertiary rhinology practice were included for evaluation. The rates of allergen-specific sensitizations in CRSwNP patients were compared with …


Combination Of Hsp90 Inhibitors And Hsp70 Inducers Prevent Hydrochloric Acid-Induced Pulmonary Fibrosis In Rabbits, Ruben M. L. Colunga Biancatelli, Pavel A. Solopov, Tierney Day, Dan E. Austin Jr., Len E. Murray, John D. Catravas Jan 2025

Combination Of Hsp90 Inhibitors And Hsp70 Inducers Prevent Hydrochloric Acid-Induced Pulmonary Fibrosis In Rabbits, Ruben M. L. Colunga Biancatelli, Pavel A. Solopov, Tierney Day, Dan E. Austin Jr., Len E. Murray, John D. Catravas

Bioelectrics Publications

Combined therapies with Heat Shock Protein 90 (HSP90) inhibitors and Heat Shock Protein 70 (HSP70) inducers are gaining significant interest in cancer and cardiovascular research. Here, we tested the hypothesis that HSP90 inhibitors and HSP70 inducers, together, can block the development of pulmonary fibrosis. We exposed New Zealand White Rabbits to hydrochloric acid (HCl, 0.1 N, 1.5 mL/kg), one of the top five chemicals most commonly involved in accidental exposures and inhalation injuries worldwide, and treated animals with either the orally available HSP90 inhibitor TAS-116 (1.7 mg/kg 5x/week) or TAS-116 combined with the HSP70 inducer, geranylgeranyl acetone (GGA, 50 mg/kg, …


Optimizing Decision-Making In A Cerebral Palsy Model Using Reinforcement Learning, Richard Ampah Jan 2025

Optimizing Decision-Making In A Cerebral Palsy Model Using Reinforcement Learning, Richard Ampah

Pitzer Senior Theses

This study presents an original interdisciplinary investigation into how reinforcement learning (RL) can model motor and cognitive defects and potentially improve motor and cognitive functions in individuals with cerebral palsy (CP), a non-progressive neurological disorder that impairs movement and adaptability. Integrating computational neuroscience and machine learning, the research applies policy gradient methods and Markov Decision Processes (MDPs) to simulate adaptive learning in agents with and without CP-related constraints.

The central aim is to compare the cumulative rewards of optimal policies, derived from value iteration, and human-like learning policies using the REINFORCE algorithm, both with and without the Bellman baseline. The …


Perspective On Alcohol-Induced Organ Damage Via Autophagy-Dependent Cellular Changes, Ahmed Bakheet, Murugadas Anbazhagan, Shirish Barve, Srinivasan Dasarathy, John Dickinson, Wen-Xing Ding, Terrence Donohue, Thiyagarajan Gopal, Anna Gukovskaya, Kusum K. Kharbanda, John J. Lemasters, Natalia A. Osna, Pal Pacher, Lucy Sloan, Luis F. Vilches, Viswanathan Saraswathi, Xiao-Ming Yin, Zhi Zhong, Paul G. Thomes Jan 2025

Perspective On Alcohol-Induced Organ Damage Via Autophagy-Dependent Cellular Changes, Ahmed Bakheet, Murugadas Anbazhagan, Shirish Barve, Srinivasan Dasarathy, John Dickinson, Wen-Xing Ding, Terrence Donohue, Thiyagarajan Gopal, Anna Gukovskaya, Kusum K. Kharbanda, John J. Lemasters, Natalia A. Osna, Pal Pacher, Lucy Sloan, Luis F. Vilches, Viswanathan Saraswathi, Xiao-Ming Yin, Zhi Zhong, Paul G. Thomes

Journal Articles: Internal Medicine

Alcohol-induced organ damage is a major global health concern and a leading cause of disability and mortality. In addition to the liver, chronic alcohol consumption adversely affects multiple organ systems, including the cardiovascular and neuromuscular systems, the gastrointestinal tract, adipose tissue, kidneys, pancreas, and the brain. Organ damage begins with necrosis (cell death) followed by tissue injury, which triggers immune responses aimed at tissue repair. However, with continued heavy drinking, these reparative responses transition into inflammatory responses which exacerbate tissue injury and accelerate disease progression. Macroautophagy, commonly referred to as autophagy, is a vital and evolutionarily-conserved digestive process in eukaryotic …


The Effects Of Capsaicin On Vascularization In Patients With Diabetes Mellitus: A Literature Review, Karen Hernandez, Leslie Guerrero, Myra Mudassar, Amanda L. Killeen Jan 2025

The Effects Of Capsaicin On Vascularization In Patients With Diabetes Mellitus: A Literature Review, Karen Hernandez, Leslie Guerrero, Myra Mudassar, Amanda L. Killeen

School of Podiatric Medicine Publications

Diabetes Mellitus (DM) is a metabolic disorder affecting 11.6% of the United States population and 43.95% of the population in the Rio Grande Valley of Texas. A common complication of diabetes mellitus is neuropathy, a type of nerve damage that affects as many as half of the people with this condition. Vascular factors and metabolic interactions are major influencers of the pathogenesis of diabetic neuropathy. This literature review evaluates the therapeutic role of capsaicin, a known component of capsicum pepper, commonly used as a treatment for neuropathic pain. However, several studies show that in addition to pain management, capsaicin counters …


The Chemical Straightjacket: Institutional Over-Use Of Psychotropic Drugs On Children In Lieu Of Therapeutic Community Mental Health Services, Marisa Leib-Neri Jan 2025

The Chemical Straightjacket: Institutional Over-Use Of Psychotropic Drugs On Children In Lieu Of Therapeutic Community Mental Health Services, Marisa Leib-Neri

Indiana Journal of Law and Social Equality

This Article argues that the abysmal state of children’s mental health in America is in part due to an overreliance on and over prescription of psychotropic drugs inside psychiatric residential institutions in lieu of community based mental health services. This overreliance on residential institutions and psychotropic drugs has allowed a new form of chemical restraint to flourish—the chemical straitjacket. This Article uses the medication lists of twelve children in seven different North Carolina psychiatric residential treatment facilities to demonstrate how the chemical straitjacket operates: the prescription of drugs not approved for pediatric populations, counter to evidence-based practices for particular diagnoses, …


A Vision Transformer Based Assistive System For Dermatological Diagnosis In Systemic Lupus Erythematosus, Syeda Lamima Farhat Jan 2025

A Vision Transformer Based Assistive System For Dermatological Diagnosis In Systemic Lupus Erythematosus, Syeda Lamima Farhat

All Graduate Theses, Dissertations, and Other Capstone Projects

Systemic Lupus Erythematosus (SLE) is a complex and often underdiagnosed autoimmune disease that affects multiple organs and presents with a wide range of symptoms-ranging from fatigue and joint pain to life-threatening organ damage. One of its most visible and diagnostically significant indicators is the Butterfly Malar Rash (BMR), a distinctive facial rash that often resembles other common dermatological conditions like rosacea, acne, eczema, and fifth disease. This overlap can lead to misdiagnosis or delayed detection, especially in busy clinical environments. To assist dermatologists in distinguishing BMR from similar facial rashes, this study explores the development of an AI-powered image classification …


Tryptophan Kynurenine Pathway-Based Imaging Agents For Brain Disorders And Oncology-From Bench To Bedside, Erik Stauff, Wenqi Xu, Heidi H. Kecskemethy, Sigrid A. Langhans, Vinay V. R. Kandula, Lauren W. Averill, Xuyi Yue Jan 2025

Tryptophan Kynurenine Pathway-Based Imaging Agents For Brain Disorders And Oncology-From Bench To Bedside, Erik Stauff, Wenqi Xu, Heidi H. Kecskemethy, Sigrid A. Langhans, Vinay V. R. Kandula, Lauren W. Averill, Xuyi Yue

Jefferson Hospital Staff Papers and Presentations

Tryptophan (Trp)-based radiotracers have excellent potential for imaging many different types of brain pathology because of their involvement with both the serotonergic and kynurenine (KYN) pathways. However, radiotracers specific to the kynurenine metabolism pathway are limited. In addition, historically Trp-based radiopharmaceuticals were synthesized with the short-lived isotope carbon-11. A newer generation of Trp-based imaging agents using the longer half-lived and commercially available isotopes, such as fluorine-18 and iodine-124, are being developed. The newly developed amino acid-based tracers have been demonstrated to have favorable radiochemical and imaging characteristics in pre-clinical studies. However, many barriers still exist in the clinical translation of …


Medical-Grade Honey And Standard Dressings In Burn Wound Care: Evaluating Effectiveness, Cost, And Patient Outcomes, Andrew Golonka, Chloe Shin Jan 2025

Medical-Grade Honey And Standard Dressings In Burn Wound Care: Evaluating Effectiveness, Cost, And Patient Outcomes, Andrew Golonka, Chloe Shin

Nursing | Senior Theses

Background: Burn injuries burden the healthcare system globally as silver sulfadiazine (SSD) is the standard treatment even though it delays healing and is highly costly. Medical-grade honey (MGH) demonstrates superior antimicrobial and anti-inflammatory properties, however, there are still evidence gaps when comparing effectiveness, cost efficiency, and patient centered outcomes. Purpose: This study aims to compare MGH and SSD amongst these gaps to inform evidence based burn care. Methods:A randomized controlled trial will enroll 100 people between 25-50 years of age with first and second degree burns, < 20% total body surface area within two hospital burn units. Participants will be assigned to either MGH or SSD treatment. The study will be a single blind design where dermatologists evaluating the wound photographs will not know the treatment given. Primary outcomes include wound healing time, infection rates, and patient reported pain scores. Secondary outcomes will focus on cost effectiveness analyses and patient quality of life. Standardized protocols will be implemented for data collection, wound assessment, and safety monitoring. Results: We anticipate that MGH will have lower infection rates, promote faster wound …


Wearable-Derived Heart Rate Variability Reveals Autonomic Dysfunction In Schizophrenia (Preprint), Alec J. Pupo, Stephanie H. Felgoise Jan 2025

Wearable-Derived Heart Rate Variability Reveals Autonomic Dysfunction In Schizophrenia (Preprint), Alec J. Pupo, Stephanie H. Felgoise

Internal Medicine Resident Research

Autonomic dysfunction has long been implicated in schizophrenia, yet objective physiological markers remain underutilized in psychiatric research. Heart rate variability (HRV), a noninvasive measure of autonomic regulation, is conventionally derived from short electrocardiographic recordings. In this study, we tested whether continuous, wearable-derived HRV can identify physiologic alterations in schizophrenia-spectrum disorders. Using the NIH All of Us database, we analyzed second-level Fitbit heart rate data from 26 individuals with schizophrenia-spectrum diagnoses and 26 matched controls. Frequency-domain analyses focused on ultra-low frequency (ULF), very low frequency (VLF), and truncated low frequency (tLF) bands, given sampling constraints. Schizophrenia participants showed significantly reduced power …


Endoneurial Immune Interplay In Peripheral Nerve Repair: Insights And Implications For Future Therapeutic Interventions, Alina Sprenger-Svačina, Martin K R Svačina, Husniye G Otlu, Tong Gao, Kazim A Sheikh, Gang Zhang Jan 2025

Endoneurial Immune Interplay In Peripheral Nerve Repair: Insights And Implications For Future Therapeutic Interventions, Alina Sprenger-Svačina, Martin K R Svačina, Husniye G Otlu, Tong Gao, Kazim A Sheikh, Gang Zhang

Faculty, Staff and Student Publications

The mechanisms underlying axonal injury and repair in peripheral nerves, whether due to traumatic damage or autoimmune neuropathies, are complex and not yet fully understood. Recent research indicates that an orchestrated interplay between damaged neurons, Schwann cells, and especially endoneurial immune cells such as macrophages or T cells is crucial to achieve satisfactory nerve recovery. Following axonal injury, degenerating axons and reactive Schwann cells release chemoattractants and cytokines that recruit immune cells into the endoneurium. Among them, macrophages play a pivotal role by clearing axonal and myelin debris and subsequently creating a pro-regenerative microenvironment that supports axonal outgrowth. There is …


Emcreg-International Multidisciplinary Consensus Panel On Management Of Hyperkalemia In Chronic Kidney Disease And Heart Failure, Natalie Kreitzer, Nancy M. Albert, Alpesh N. Amin, Craig J. Beavers, Richard C. Becker, Gregg Fonarow, W. Brian Gibler, Katherine W. Kwon, Robert J. Mentz, Biff F. Palmer, Charles V. Pollack, Iliana L. Piña Jan 2025

Emcreg-International Multidisciplinary Consensus Panel On Management Of Hyperkalemia In Chronic Kidney Disease And Heart Failure, Natalie Kreitzer, Nancy M. Albert, Alpesh N. Amin, Craig J. Beavers, Richard C. Becker, Gregg Fonarow, W. Brian Gibler, Katherine W. Kwon, Robert J. Mentz, Biff F. Palmer, Charles V. Pollack, Iliana L. Piña

Division of Cardiology Faculty Papers

BACKGROUND: Hyperkalemia, generally defined as serum potassium levels greater than 5.0 mEq/L, poses significant clinical risks, including cardiac toxicity and muscle weakness. Its prevalence and severity increase in patients with chronic kidney disease (CKD), diabetes mellitus, and heart failure (HF), particularly when compounded by medications like angiotensin converting inhibitors, angiotensin receptor blockers, and potassium sparing diuretics. Hyperkalemia arises from disruptions in potassium regulation involving intake, excretion, and intracellular-extracellular distribution. In CKD and acute kidney injury, these regulatory mechanisms are impaired, leading to heightened risk. The management of chronic hyperkalemia presents a challenge due to the necessity of balancing effective cardiovascular …


The Special Issue “The 20th Anniversary Of Pharmaceuticals—Multi-Targeted Natural Products As Therapeutics” Editorial—Multi-Targeted Therapeutics From Natural Sources: What Do We Know?, Elena Y. Enioutina, Katheleen M. Job, Catherine M.T. Sherwin Jan 2025

The Special Issue “The 20th Anniversary Of Pharmaceuticals—Multi-Targeted Natural Products As Therapeutics” Editorial—Multi-Targeted Therapeutics From Natural Sources: What Do We Know?, Elena Y. Enioutina, Katheleen M. Job, Catherine M.T. Sherwin

Pediatrics Faculty Publications

Herbal and marine products in the form of extracts, infusions, and decoctions have been used for centuries in folk and traditional medicine. Preparations typically contain multiple biologically active compounds. The World Health Organization (WHO) estimated that about 65% of consumers worldwide use natural remedies containing bioactive molecules to treat various diseases [1]. Most single-molecule drugs of natural origin were developed in the middle of the 20th century through the active screening of natural products for bioactive molecules [2]. Examples include artemisinin, cyclosporine, taxol, doxorubicin, and many others. However, at the beginning of the 21st century, we saw a decline in …


Impacts Of Ramadan Fasting During Pregnancy On Pregnancy And Birth Outcomes: An Umbrella Review, Abdullah Al-Taiar, Md Estiar Rahman, May Salama, Ali H. Ziyab, Wilfried Karmaus Jan 2025

Impacts Of Ramadan Fasting During Pregnancy On Pregnancy And Birth Outcomes: An Umbrella Review, Abdullah Al-Taiar, Md Estiar Rahman, May Salama, Ali H. Ziyab, Wilfried Karmaus

Epidemiology, Biostatistics, & Environmental Health Faculty Publications

Background

Despite a large number of primary research studies, and systematic and narrative reviews, there is no consensus on the impact of fasting during Ramadan while pregnant on pregnancy and birth outcomes. Currently, there is no evidence-based guideline for Muslim women regarding Ramadan fasting during pregnancy and clinicians cannot provide firm recommendations.

Objectives

To review the current evidence regarding the impact of Ramadan fasting during pregnancy on pregnancy and birth outcomes.

Search Strategy

We conducted an umbrella review of all systematic and narrative reviews examining the impacts of fasting during Ramadan while pregnant on pregnancy and birth outcomes by searching …


The Relationship Between Socioeconomic Factors And Low Birth Rates In Ohio, Ryan Gora, Hannah Amin Jan 2025

The Relationship Between Socioeconomic Factors And Low Birth Rates In Ohio, Ryan Gora, Hannah Amin

Scholarship in Medicine - All Papers

Background: The incidence of low birth weight (LBW) has not substantially fallen over time despite advances in medical interventions. LBW has been linked to several chronic diseases in adulthood including type 2 diabetes (T2DM) and cardiovascular disease (CVD), making it a particularly salient public health issue.
Objective: To examine socioeconomic factors and diseases associated with LBW in Ohio between 2016-2022.
Methods: Using data from County Health Rankings, we identified socioeconomic factors predictive of LBW in Ohio between 2016-2022. We also examined the relationship between LBW and incidence of T2DM as well as food insecurity (FI). In addition, we investigated how …