Respiratory Tract Diseases Commons^™

Comparison Of Ecg Features, Cardiac Biomarkers, And Clinical Outcomes In Three Waves Of Hospitalized Covid-19 Pneumonia Patients With Cardiovascular Events, Yuchen Han, Jahnavi Sunkara, Tshura S Ali, Harideep Samanapally, Vidyulata Salunkhe, Fnu Deepti, Emma C. Huang, Justin J. Huang, Maiying Kong, Jiapeng Huang

The University of Louisville Journal of Respiratory Infections

Background

Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is a rapidly evolving virus that can severely impact the cardiovascular system. With new variants, it is important to characterize wave-specific (defined by dominant circulating variants) clinical changes.

Methods

A multi-center retrospective cohort study of patients hospitalized with SARS-CoV-2 community acquired pneumonia at eight adult acute-care hospitals in the city of Louisville, KY was conducted. Patients hospitalized with Coronavirus Disease 2019 (COVID-19) community acquired pneumonia who experienced a cardiovascular event between March 2020 and July 2022 were included in this analysis. Variant assignment was based on temporal prevalence rather than genomic confirmation, and …

Bayesian Reanalysis Of Early Remdesivir For The Treatment Of Covid-19 In Outpatients With High Risk Of Progression To Severe Disease, Mazin Abdelghany, Fang Yu, Stephen I. Rennard, Yeongjin Gwon

Journal Articles: Pulmonary & Critical Care Med

BACKGROUND: Though Bayesian methods are flexible, intuitive, and readily incorporated into clinical decision-making, with particular utility when prior information is available, they remain underutilized in the analysis of clinical trials.

METHODS: In PINETREE, a Phase 3 randomized controlled trial (RCT) of remdesivir (RDV) for the treatment of outpatients with COVID-19 at high risk of severe disease, the primary outcome of COVID-19-related hospitalization or all-cause death was reanalyzed using a range of reference and data-driven priors. Posterior probability distributions were used to calculate the probability that the estimated hazard ratio (HR) was below a range of clinically meaningful specified thresholds and …

Crossroads Of Covid-19 And Alzheimer’S: Investigating Sars-Cov-2 Nsp6 And Orf7a In Amyloid-Β42 Toxicity, Jeffrey William Huettemann, Amit Singh

Research from the Berry Summer Thesis Institute, 2025

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) resulted in several hundred million contracted cases of coronavirus disease 2019 (COVID-19) and a global pandemic. In some of these cases, previous neurological diseases, such as Alzheimer’s disease (AD), seemed to progress much more rapidly after the COVID-19 infection. Thus, we became interested in studying the effects of SARS-CoV-2 infection on prior neurological disease progressions.

To modulate this condition, we used Drosophila melanogaster as a genetic model system. We had previously developed the Alzheimer’s Disease Fly Model with expression of human amyloid beta 42 (Aβ42) peptide, which is responsible for extracellular Aβ-42 …

Complement Activity And Autophagy Are Dysregulated In The Lungs Of Patients With Nonresolvable Covid-19 Requiring Lung Transplantation, Pooja Shivshankar, Stacey L Mueller-Ortiz, Aleksey Y Domozhirov, Weizhen Bi, Scott D Collum, Marie-Francoise Doursout, Manish Patel, Isabella N Lefebvre, Bindu Akkanti, Simon Yau, Howard J Huang, Rahat Hussain, Harry Karmouty-Quintana

Faculty, Staff and Student Publications

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-induced coronavirus disease 2019 (COVID-19) pandemic has challenged the current understanding of the complement cascade mechanisms of host immune responses during infection-induced nonresolvable lung disease. While the complement system is involved in opsonization and phagocytosis of the invading pathogens, uncontrolled complement activation also leads to aberrant autophagic response and tissue damage. Our recent study revealed unique pathologic and fibrotic signature genes associated with epithelial bronchiolization in the lung tissues of patients with nonresolvable COVID-19 (NR-COVID-19) requiring lung transplantation. However, there is a knowledge gap if complement components are modulated to contribute to tissue …

Myocardial Infarction Trends Following Covid-19 Vaccination: A Retrospective Investigation From India, Hema S. Pinnam, Hrithika Madhavan, Jagarlamudi Harshitha, Vikram Patil, Harshita Tiwari, Isha A. Kumthekar, Jampala Sri Mounya

Digital Journal of Clinical Medicine

Background: The relationship between COVID-19 vaccination and the incidence of myocardial infarction remains a topic of debate. The study aimed to analyze the demographic, clinical, and outcome characteristics of MI patients post-vaccination in India, focusing on differences between Covishield and Covaxin recipients.

Methods: The retrospective observational study included 303 MI patients admitted to a tertiary care center. Data were collected on demographics, comorbidities, vaccination status, ICU admissions, and outcomes. The Charlson Comorbidity Index (CCI) was used to assess disease severity. Statistical analyses evaluated the associations between vaccination status, clinical parameters, and mortality.

Results: Among the study population, 74.3% were males, …

Safety And Feasibility Of Third-Party Cytotoxic T Lymphocytes For High-Risk Patients With Covid-19, Dolores Grosso, John L. Wagner, Allyson O'Connor, Kaitlyn Keck, Yanping Huang, Zi-Xuan Wang, Hilary Mehler, Benjamin Leiby, Phyllis Flomenberg, Usama Gergis, Neda Nikbakht, Michael Morris, Julie Karp, Alexis R. Peedin, Neal Flomenberg

COVID-19 Papers, Posters, and Presentations

Cytotoxic T lymphocytes (CTLs) destroy virally infected cells and are critical for the elimination of viral infections such as those caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Delayed and dysfunctional adaptive immune responses to SARS-CoV-2 are associated with poor outcomes. Treatment with allogeneic SARS-CoV-2-specific CTLs may enhance cellular immunity in high-risk patients providing a safe, direct mechanism of treatment. Thirty high-risk ambulatory patients with COVID-19 were enrolled in a phase 1 trial assessing the safety of third party, SARS-CoV-2-specific CTLs. Twelve interventional patients, 6 of whom were immunocompromised, matched the HLA-A∗02:01 restriction of the CTLs and received …

Omics-Based Profiles And Biomarkers Of Respiratory Infections: Are We There Yet?, Jezreel Pantaleon Garcia, Scott E Evans

Faculty, Staff and Student Publications

Descriptive omics-based clinical research provides valuable early steps in understanding host immune responses to respiratory pathogens in our global efforts to mitigate the impacts of severe respiratory infections with rapidly evolving technologies https://bit.ly/4bjJsvL

Overview Of The Zoonotic Potential And Coinfection Of Sars-Cov-2 In Indonesia, Muhammad Khaliim Jati Kusala, Ni Luh Putu Indi Dharmayanti

Karbala International Journal of Modern Science

In the ASEAN region, Indonesia has the highest overall COVID-19 infection score. The SARS-CoV-2 pandemic first emerged in China and then transmitted sporadically throughout the world. Animals and humans can be infected with the corona virus, so this disease is classified as a zoonotic disease. This review aims to gather information regarding the potential of SARS-CoV-2 as a zoonotic disease and coinfections with several other pathogens in Indonesia. This study collected data demonstrating the potential for COVID-19 to be transmitted from humans to animals, as an evidenced by positive test results for the Bat Coronavirus Antigen in bats. Cats have …

Effectiveness Of A Bivalent Mrna Vaccine Dose Against Symptomatic Sars-Cov-2 Infection Among U.S. Healthcare Personnel, September 2022–May 2023, Ian D. Plumb, Melissa Briggs Hagen, Ryan Wiegand, Ghinwa Dumyati, Christopher Myers, Karisa K. Harland, Anusha Krishnadasan, Jade James Gist, Glen Abedi, Katherine E. Fleming-Dutra, Nora Chea, Jane E. Lee, Melissa Kellogg, Alexandra Edmundson, Amber Britton, Lucy E. Wilson, Sara A. Lovett, Valerie Ocampo, Tiffanie M. Markus, Howard A. Smithline, Peter C. Hou, Lilly C. Lee, William Mower, Fernand Rwamwejo, Mark T. Steele, Stephen C. Lim, Walter A. Schrading, Brian Chinnock

School of Medicine Faculty Publications

Background: Bivalent mRNA vaccines were recommended since September 2022. However, coverage with a recent vaccine dose has been limited, and there are few robust estimates of bivalent VE against symptomatic SARS-CoV-2 infection (COVID-19). We estimated VE of a bivalent mRNA vaccine dose against COVID-19 among eligible U.S. healthcare personnel who had previously received monovalent mRNA vaccine doses. Methods: We conducted a case-control study in 22 U.S. states, and enrolled healthcare personnel with COVID-19 (case-participants) or without COVID-19 (control-participants) during September 2022–May 2023. Participants were considered eligible for a bivalent mRNA dose if they had received 2–4 monovalent (ancestral-strain) mRNA vaccine …

A Retrospective Cohort Study Assessing The Impact Of Statin Therapy On Hospital Length Of Stay And Inpatient Mortality In Covid-19 Patients, Huy V. Ho, Hamish Patel, Mohammed Ahmed, Ahmed Eddib, Fagunkumar Modi, Domenick Sorresso, Rahul Mhaskar, David Phrathep, Olugbenga Oyesanmi

HCA Healthcare Journal of Medicine

Background

Coronaviruses, known for their crown-like appearance, cause mild gastrointestinal and respiratory diseases. Some cause outbreaks of respiratory diseases, most recently, SARS-CoV-2, the coronavirus disease 2019 (COVID-19). Individuals with COVID-19 are reported to be in both arterial and venous prothrombotic states. In addition to a lipid-lowering effect, statin also has an anti-inflammatory effect, which addresses one of the underlying causes of thrombosis. An in-silico study revealed that statins could directly interact with the main protease enzyme of SARS-CoV-2 and prevent infectivity. Due to these pleiotropic properties, statins may positively impact the outcome of hospitalized patients with COVID-19 infections.

Methods

A …

Priorities And Progress In Gram-Positive Bacterial Infection Research By The Antibacterial Resistance Leadership Group: A Narrative Review, Sarah B Doernberg, Cesar A Arias, Deena R Altman, Ahmed Babiker, Helen W Boucher, C Buddy Creech, Sara E Cosgrove, Scott R Evans, Vance G Fowler, Stephanie A Fritz, Toshimitsu Hamasaki, Brendan J Kelly, Sixto M Leal, Catherine Liu, Thomas P Lodise, Loren G Miller, Jose M Munita, Barbara E Murray, Melinda M Pettigrew, Felicia Ruffin, Marc H Scheetz, Bo Shopsin, Truc T Tran, Nicholas A Turner, Derek J Williams, Smitha Zaharoff, Thomas L Holland

Faculty, Staff and Student Publications

The Antibacterial Resistance Leadership Group (ARLG) has prioritized infections caused by gram-positive bacteria as one of its core areas of emphasis. The ARLG Gram-positive Committee has focused on studies responding to 3 main identified research priorities: (1) investigation of strategies or therapies for infections predominantly caused by gram-positive bacteria, (2) evaluation of the efficacy of novel agents for infections caused by methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci, and (3) optimization of dosing and duration of antimicrobial agents for gram-positive infections. Herein, we summarize ARLG accomplishments in gram-positive bacterial infection research, including studies aiming to (1) inform optimal vancomycin dosing, …

Intravenous Aviptadil And Remdesivir For Treatment Of Covid-19-Associated Hypoxaemic Respiratory Failure In The Usa (Tesico): A Randomised, Placebo-Controlled Trial, Samuel M Brown, Christina E Barkauskas, Birgit Grund, Shweta Sharma, Andrew N Phillips, Lindsay Leither, Ithan D Peltan, Michael Lanspa, Daniel L Gilstrap, Ahmad Mourad, Kathleen Lane, Jeremy R Beitler, Alexis L Serra, Ivan Garcia, Eyad Almasri, Mohamed Fayed, Kinsley Hubel, Estelle S Harris, Elizabeth A Middleton, Macy A G Barrios, Kusum S Mathews, Neha N Goel, Samuel Acquah, Jarrod Mosier, Cameron Hypes, Elizabeth Salvagio Campbell, Akram Khan, Catherine L Hough, Jennifer G Wilson, Joseph E Levitt, Abhijit Duggal, Siddharth Dugar, Andrew J Goodwin, Charles Terry, Peter Chen, Sam Torbati, Nithya Iyer, Uriel S Sandkovsky, Nicholas J Johnson, Bryce R H Robinson, Michael A Matthay, Neil R Aggarwal, Ivor S Douglas, Jonathan D Casey, Manuel Hache-Marliere, J Georges Youssef, William Nkemdirim, Brad Leshnower, Omar Awan, Sonal Pannu, Darragh Shane O'Mahony, Prasad Manian, J W Awori Hayanga, Glenn W Wortmann, Bruno M Tomazini, Robert F Miller, Jens-Ulrik Jensen, Daniel D Murray, Nina A Bickell, Jigna Zatakia, Sarah Burris, Elizabeth S Higgs, Ven Natarajan, Robin L Dewar, Adam Schechner, Nayon Kang, Alejandro Arenas-Pinto, Fleur Hudson, Adit A Ginde, Wesley H Self, Angela J Rogers, Cathryn F Oldmixon, Haley Morin, Adriana Sanchez, Amy C Weintrob, Alexandre Biasi Cavalcanti, Anne Davis-Karim, Nicole Engen, Eileen Denning, B Taylor Thompson, Annetine C Gelijns, Virginia Kan, Victoria J Davey, Jens D Lundgren, Abdel G Babiker, James D Neaton, H Clifford Lane

Faculty, Staff and Student Publications

BACKGROUND: There is a clinical need for therapeutics for COVID-19 patients with acute hypoxemic respiratory failure whose 60-day mortality remains at 30-50%. Aviptadil, a lung-protective neuropeptide, and remdesivir, a nucleotide prodrug of an adenosine analog, were compared with placebo among patients with COVID-19 acute hypoxaemic respiratory failure.

METHODS: TESICO was a randomised trial of aviptadil and remdesivir versus placebo at 28 sites in the USA. Hospitalised adult patients were eligible for the study if they had acute hypoxaemic respiratory failure due to confirmed SARS-CoV-2 infection and were within 4 days of the onset of respiratory failure. Participants could be randomly …

Abatacept, Cenicriviroc, Or Infliximab For Treatment Of Adults Hospitalized With Covid-19 Pneumonia: A Randomized Clinical Trial, Jane A O'Halloran, Emily R Ko, Kevin J Anstrom, Eyal Kedar, Matthew W Mccarthy, Reynold A Panettieri, Martin Maillo, Patricia Segura Nunez, Anne M Lachiewicz, Cynthia Gonzalez, P Brian Smith, Sabina Mendivil-Tuchia De Tai, Akram Khan, Alfredo J Mena Lora, Matthias Salathe, Gerardo Capo, Daniel Rodríguez Gonzalez, Thomas F Patterson, Christopher Palma, Horacio Ariza, Maria Patelli Lima, John Blamoun, Esteban C Nannini, Eduardo Sprinz, Analia Mykietiuk, Radica Alicic, Adriana M Rauseo, Cameron R Wolfe, Britta Witting, Jennifer P Wang, Luis Parra-Rodriguez, Tatyana Der, Kate Willsey, Jun Wen, Adam Silverstein, Sean M O'Brien, Hussein R Al-Khalidi, Michael A Maldonado, Richard Melsheimer, William G Ferguson, Steven E Mcnulty, Pearl Zakroysky, Susan Halabi, Daniel K Benjamin, Sandra Butler, Jane C Atkinson, Stacey J Adam, Soju Chang, Lisa Lavange, Michael Proschan, Samuel A Bozzette, William G Powderly, Activ-1 Im Study Group Members

Faculty, Staff and Student Publications

IMPORTANCE: Immune dysregulation contributes to poorer outcomes in COVID-19.

OBJECTIVE: To investigate whether abatacept, cenicriviroc, or infliximab provides benefit when added to standard care for COVID-19 pneumonia.

DESIGN, SETTING, AND PARTICIPANTS: Randomized, double-masked, placebo-controlled clinical trial using a master protocol to investigate immunomodulators added to standard care for treatment of participants hospitalized with COVID-19 pneumonia. The results of 3 substudies are reported from 95 hospitals at 85 clinical research sites in the US and Latin America. Hospitalized patients 18 years or older with confirmed SARS-CoV-2 infection within 14 days and evidence of pulmonary involvement underwent randomization between October 2020 and …

Toll-Like Receptors 2, 4, And 9 Modulate Promoting Effect Of Copd-Like Airway Inflammation On K-Ras-Driven Lung Cancer Through Activation Of The Myd88/Nf-ĸb Pathway In The Airway Epithelium, Walter V Velasco, Nasim Khosravi, Susana Castro-Pando, Nelly Torres-Garza, Maria T Grimaldo, Avantika Krishna, Michael J Clowers, Misha Umer, Sabah Tariq Amir, Diana Del Bosque, Soudabeh Daliri, Maria Miguelina De La Garza, Marco Ramos-Castaneda, Scott E Evans, Seyed Javad Moghaddam

Faculty, Staff and Student Publications

INTRODUCTION: Toll-like receptors (TLRs) are an extensive group of proteins involved in host defense processes that express themselves upon the increased production of endogenous damage-associated molecular patterns (DAMPs) and pathogen-associated molecular patterns (PAMPs) due to the constant contact that airway epithelium may have with pathogenic foreign antigens. We have previously shown that COPD-like airway inflammation induced by exposure to an aerosolized lysate of nontypeable

METHODS: In the present study, we have dissected the role of TLRs in this process by knocking out TLR2, 4, and 9 and analyzing how these deletions affect the promoting effect of COPD-like airway inflammation on …

Higher Dose Corticosteroids In Patients Admitted To Hospital With Covid-19 Who Are Hypoxic But Not Requiring Ventilatory Support (Recovery): A Randomised, Controlled, Open-Label, Platform Trial, Recovery Collaborative Group

Faculty, Staff and Student Publications

BACKGROUND: Low-dose corticosteroids have been shown to reduce mortality for patients with COVID-19 requiring oxygen or ventilatory support (non-invasive mechanical ventilation, invasive mechanical ventilation, or extracorporeal membrane oxygenation). We evaluated the use of a higher dose of corticosteroids in this patient group.

METHODS: This randomised, controlled, open-label platform trial (Randomised Evaluation of COVID-19 Therapy [RECOVERY]) is assessing multiple possible treatments in patients hospitalised for COVID-19. Eligible and consenting adult patients with clinical evidence of hypoxia (ie, receiving oxygen or with oxygen saturation

FINDINGS: Between May 25, 2021, and May 13, 2022, 1272 patients with COVID-19 and hypoxia receiving no oxygen …

Rapid Escape Of New Sars-Cov-2 Omicron Variants From Ba2-Directed Antibody Responses, Aiste Dijokaite-Guraliuc, Raksha Das, Daming Zhou, Helen M Ginn, Chang Liu, Helen M E Duyvesteyn, Jiandong Huo, Rungtiwa Nutalai, Piyada Supasa, Muneeswaran Selvaraj, Thushan I De Silva, Megan Plowright, Thomas A H Newman, Hailey Hornsby, Alexander J Mentzer, Donal Skelly, Thomas G Ritter, Nigel Temperton, Paul Klenerman, Eleanor Barnes, Susanna J Dunachie, Optic Consortium, Cornelius Roemer, Thomas P Peacock, Neil G Paterson, Mark A Williams, David R Hall, Elizabeth E Fry, Juthathip Mongkolsapaya, Jingshan Ren, David I Stuart, Gavin R Screaton

Faculty, Staff and Student Publications

In November 2021, Omicron BA.1, containing a raft of new spike mutations, emerged and quickly spread globally. Intense selection pressure to escape the antibody response produced by vaccines or severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection then led to a rapid succession of Omicron sub-lineages with waves of BA.2 and then BA.4/5 infection. Recently, many variants have emerged such as BQ.1 and XBB, which carry up to 8 additional receptor-binding domain (RBD) amino acid substitutions compared with BA.2. We describe a panel of 25 potent monoclonal antibodies (mAbs) generated from vaccinees suffering BA.2 breakthrough infections. Epitope mapping shows potent …

Exploring The Possible Phenomenon Of Viral Interference Between The Novel Coronavirus And Common Respiratory Viruses, Spencer Deleveaux, Alexandria Clarke-Kregor, Xavier Fonseca-Fuentes, Essam Mekhaiel

Journal of Patient-Centered Research and Reviews

At the peak of the 2021 wave of the SARS-CoV-2 alpha variant in North America, there was concern for a superimposed wave of viral respiratory infections. There was, however, an apparent shift in the usual epidemiology of these pathogens, especially during the traditional influenza season from approximately October 2020 to March 2021. This article seeks to briefly describe the epidemiology of notable respiratory pathogens during the first wave of the COVID-19 pandemic and to focus on one possible factor for the trends observed. There are many contributory elements to the observed viral trends, but in particular, we present a synopsis …

Performance Of A Sars-Cov-2 Rt-Pcr Assay With Non-Traditional Specimen Types, Subathra Marimuthu, Holly Aliesky, Heather Ness, Daniya Sheikh, Sathya Rashmit, Dawn Balcom, Leslie A. Wolf

The University of Louisville Journal of Respiratory Infections

During the first two years of the coronavirus disease 2019 (COVID-19) pandemic, nasopharyngeal (NP) specimens were the gold standard for clinical diagnostic testing. As information about the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causing the pandemic continued to be shared, it was clear that the virus could be detected in other specimen types during an active infection. The University of Louisville Infectious Diseases Laboratory accepted non-traditional specimen types, most without a paired, positive NP result, for research purposes only to support local epidemiology efforts. A real-time reverse transcription-polymerase chain reaction (RT-PCR) assay originally validated for NP specimens was used …

Endogenous Mirna-Based Innate-Immunity Against Sars-Cov-2 Invasion Of The Brain, Walter J. Lukiw, Aileen I. Pogue

School of Medicine Faculty Publications

The severe acute respiratory syndrome Coronavirus-2 (SARS-CoV-2), the causative agent of COVID-19, possesses an unusually large positive-sense, single-stranded viral RNA (ssvRNA) genome of about ~29,903 nucleotides (nt). In many respects, this ssvRNA resembles a very large, polycistronic messenger RNA (mRNA) possessing a 5′-methyl cap (m7GpppN), a 3′- and 5′-untranslated region (3′-UTR, 5′-UTR), and a poly-adenylated (poly-A+) tail. As such, the SARS-CoV-2 ssvRNA is susceptible to targeting by small non-coding RNA (sncRNA) and/or microRNA (miRNA), as well as neutralization and/or inhibition of its infectivity via the human body’s natural complement of about ~2650 miRNA species. Depending on host cell and tissue …

A Delicate Balance Between Antibody Evasion And Ace2 Affinity For Omicron Ba275, Jiandong Huo, Aiste Dijokaite-Guraliuc, Chang Liu, Daming Zhou, Helen M Ginn, Raksha Das, Piyada Supasa, Muneeswaran Selvaraj, Rungtiwa Nutalai, Aekkachai Tuekprakhon, Helen M E Duyvesteyn, Alexander J Mentzer, Donal Skelly, Thomas G Ritter, Ali Amini, Sagida Bibi, Sandra Adele, Sile Ann Johnson, Neil G Paterson, Mark A Williams, David R Hall, Megan Plowright, Thomas A H Newman, Hailey Hornsby, Thushan I De Silva, Nigel Temperton, Paul Klenerman, Eleanor Barnes, Susanna J Dunachie, Andrew J Pollard, Teresa Lambe, Philip Goulder, Optic Consortium, Isaric4c Consortium, Elizabeth E Fry, Juthathip Mongkolsapaya, Jingshan Ren, David I Stuart, Gavin R Screaton

Faculty, Staff and Student Publications

Variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have caused successive global waves of infection. These variants, with multiple mutations in the spike protein, are thought to facilitate escape from natural and vaccine-induced immunity and often increase in affinity for ACE2. The latest variant to cause concern is BA.2.75, identified in India where it is now the dominant strain, with evidence of wider dissemination. BA.2.75 is derived from BA.2 and contains four additional mutations in the receptor-binding domain (RBD). Here, we perform an antigenic and biophysical characterization of BA.2.75, revealing an interesting balance between humoral evasion and ACE2 receptor …

Implementation Of Mrsa Nasal Swabs As An Antimicrobial Stewardship Intervention To Decrease Anti-Mrsa Therapy In Covid-19 Infection, Alaina Dekerlegand, Emily Johnston, Britney Mellor, Melanie Rae Schrack, Catherine O’Neal

School of Medicine Faculty Publications

In the early stages of treating patients with SARS-CoV-2, limited information was available to guide antimicrobial stewardship interventions. The COVID-19 Task Force and Antimicrobial Stewardship Committee, at a 988-bed academic medical center, implemented the use of methicillin-resistant Staphylococcus aureus (MRSA) nasal swab polymerase chain reaction (PCR) testing to assist with the de-escalation of anti-MRSA therapy in patients with suspected superimposed bacterial pneumonia in COVID-19. A retrospective study was conducted to evaluate the impact of MRSA nasal swab PCR testing on the rate of anti-MRSA therapy between 13 April 2020 and 26 July 2020. A total of 122 patients were included …

Outcomes Of Patients With Copd During The Covid Pandemic, Jacob Hentges, Julia Fashner

East Florida Division GME Research Day 2023

A scoping review of COVID-19's impact on healthcare delivery and health outcomes found disruptions in care delivery and a shift towards telemedicine(1). Another study found no significant change in the length of stay for patients admitted to the hospital for COPD exacerbation during the pandemic period compared to the pre-pandemic period(2).

We conducted a secondary analysis of HCA Florida St. Lucie Hospital data to compare the outcomes of patients with COPD before (Jan 2018 – Feb 2020) and during the COVID-19 pandemic (March 2020 – Dec 2021). The data included patients aged over 18 years who were diagnosed with COPD …

Trends In Disease Severity Among Critically Ill Children With Severe Acute Respiratory Syndrome Coronavirus 2: A Retrospective Multicenter Cohort Study In The United States, Catherine E Ross, Jeffrey P Burns, Anne V Grossestreuer, Pallav Bhattarai, Christine A Mckiernan, Jennifer D Franks, Sonja Lehmann, Jill L Sorcher, Matthew P Sharron, Kitman Wai, Haitham Al-Wahab, Konstantinos Boukas, Mark W Hall, George Ru, Anita I Sen, Hariprem R Rajasekhar, Lawrence C Kleinman, John K Mcguire, Amy S Arrington, Flor Munoz-Rivas, Christopher M Osborne, Lara S Shekerdemian

Faculty, Staff and Student Publications

OBJECTIVES: To describe trends in critical illness from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in children over the course of the COVID-19 pandemic. We hypothesized that PICU admission rates were higher in the Omicron period compared with the original outbreak but that fewer patients needed endotracheal intubation.

DESIGN: Retrospective cohort study.

SETTING: This study took place in nine U.S. PICUs over 3 weeks in January 2022 (Omicron period) compared with 3 weeks in March 2020 (original period).

PATIENTS: Patients less than or equal to 21 years old who screened positive for SARS-CoV-2 infection by polymerase chain reaction or …

Thromboembolism In Children With Multisystem Inflammatory Syndrome: A Literature Review, Neethu M Menon, Lakshmi V Srivaths

Faculty, Staff and Student Publications

Multisystem inflammatory syndrome in children (MIS-C) is a hyperinflammatory response observed in children several weeks to months after acute infection with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). On review of all published cases of thromboembolism (TE) as a complication of MIS-C, 33 cases of TE were found with incidence ranging from 1.4 to 6.5%. TE occurred mostly in children aged 12 years and above. One-third of the cases were cerebral infarcts and the remaining cases included intracardiac and radial arterial thromboses, upper and lower extremity deep vein thrombosis, pulmonary embolism, and splenic infarcts. Five were asymptomatic cases and 3/33 (9%) …

International Prevalence And Mechanisms Of Sars-Cov-2 In Childhood Arterial Ischemic Stroke During The Covid-19 Pandemic, Lauren A Beslow, Shannon C Agner, Jonathan D Santoro, Dipak Ram, Jenny L Wilson, Dana Harrar, Brian Appavu, Stuart M Fraser, Thomas Rossor, Marcela D Torres, Manoëlle Kossorotoff, Yenny C Zuñiga Zambrano, Marta Hernández-Chávez, Sahar M A Hassanein, Dimitrios Zafeiriou, Michael M Dowling, Ilona Kopyta, Nicholas V Stence, Timothy J Bernard, Nomazulu Dlamini

Faculty, Staff and Student Publications

BACKGROUND: Data from the early pandemic revealed that 0.62% of children hospitalized with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) had an acute arterial ischemic stroke (AIS). In a larger cohort from June 2020 to December 2020, we sought to determine whether our initial point estimate was stable as the pandemic continued and to understand radiographic and laboratory data that may clarify mechanisms of pediatric AIS in the setting of SARS-CoV-2.

METHODS: We surveyed international sites with pediatric stroke expertise to determine numbers of hospitalized SARS-CoV-2 patients <18 >years, numbers of incident AIS cases among children (29 days to <18 >years), frequency …

What About Anosmia From Covid-19 ?, Sharanya S E Santhi, Sara Elnour, Steven B Lippmann

The University of Louisville Journal of Respiratory Infections

No abstract provided.

Treating Cytokine Storm In Patients With Covid-19, Ahmed Abdelhaleem, Deekshitha Turaka, Shameera Shaik Masthan, Steven B Lippmann

The University of Louisville Journal of Respiratory Infections

No abstract provided.

Covid-19, Vaccination, And Heart Transplantation, Forest W. Arnold

The University of Louisville Journal of Respiratory Infections

No abstract provided.

Are Antipyretic Medications Compatible With Sars-Cov-2 Vaccines?, Sharanya S E Santhi, Niguma Rayamajhi, Steven B Lippmann

The University of Louisville Journal of Respiratory Infections

No abstract provided.

Alcohol Increases Lung Angiotensin-Converting Enzyme 2 Expression And Exacerbates Severe Acute Respiratory Syndrome Coronavirus 2 Spike Protein Subunit 1–Induced Acute Lung Injury In K18-Hace2 Transgenic Mice, Pavel A. Solopov, Ruben Manuel Luciano Colunga Biancatelli, John D. Catravas

Bioelectrics Publications

During the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, alcohol consumption increased markedly. Nearly one in four adults reported drinking more alcohol to cope with stress. Chronic alcohol abuse is now recognized as a factor complicating the course of acute respiratory distress syndrome. and increasing mortality. To investigate the mechanisms behind this interaction, we developed a combined acute respiratory distress syndrome and chronic alcohol abuse mouse model by intratracheally instilling the S1 subunit of SARS-CoV-2 spike protein (S1SP) in K18-human angiotensin-converting enzyme 2 (ACE2) transgenic mice that express the human ACE2 receptor for SARS-CoV-2 and are kept on an …