Critical Care Commons^™

Hemophagocytic Lymphohistiocytosis In A Critically Ill Patient: A Case Report Of A Potentially Fatal Entity, Ali Khreisat, Inna Mikaella Sta Maria, Giovi Grasso-Knight, Meghan Mansour

HCA Healthcare Journal of Medicine

Background

Hemophagocytic lymphohistiocytosis (HLH) is a non-neoplastic proliferation and macrophage activation that induces cytokine-mediated bone marrow suppression and features of intense phagocytosis in the bone marrow and liver, leading to multi-organ dysfunction and ultimate failure. The diagnosis of HLH in an intensive care setting is challenging, and it is associated with high morbidity and mortality. HLH-94 is the standard protocol for treatment, consisting of dexamethasone and chemotherapy like etoposide.

Case Presentation

We present the case of a 73-year-old woman who had a prolonged hospitalization for vomiting, diarrhea, and dehydration. Her conditions were complicated by acute refractory pancytopenia on the 12th …

The Microrna Mir-223 Constrains Colitis-Associated Tumorigenesis By Limiting Myeloid Cell Infiltration And Chemokine Expression, Ciara L Flynn, Gary E Markey, Viola Neudecker, Charlotte Farrelly, Glenn T Furuta, Holger K Eltzschig, Joanne C Masterson, Eóin N Mcnamee

Faculty, Staff and Student Publications

Aberrant intestinal inflammation plays a critical role in the development of colitis-associated colorectal cancer (CAC), yet the mechanisms controlling tumor development by the myeloid immune compartment are not fully understood. Although altered microRNA expression is observed in CAC, it is also unclear how myeloid-specific microRNAs impact the inflammatory process that underpins the continuum from ulcerative colitis to tumorigenesis. In this study, we report that miR-223 acts to limit myeloid-driven inflammation in the azoxymethane (AOM)-dextran sodium sulfate (DSS) model of CAC in mice. In this model, miR-223-/y mice present with significantly larger tumors with an enhanced proliferative signature. Immunoprofiling showed that …

Transforming Care: Elevating Oral Hygiene Compliance To Combat Nosocomial Aspiration Pneumonia In Adult Oncology Patients, Karina Larrea

Master's Projects and Capstones

Objective Aspiration pneumonia is a preventable, yet common complication in oncology patients undergoing chemotherapy, steered by suboptimal compliance with oral hygiene protocols and elevated susceptibility due to mucosal barrier injuries. Despite its major impact on healthcare costs and morbidity, compliance with evidence-based practices remains inadequate. Aim This project aimed to decrease nosocomial aspiration pneumonia rates from 1.5% to 1.3% by enhancing oral hygiene compliance from 41% to 70% over a 12-week period. Methods Proposed interventions included implementing paired oral hygiene order sets into electronic medical records, once-per-shift cues, staggered patient education sessions, and staff education on standardized protocols. Pre-intervention data …

Prepared To Protect: Improving Cardiac Emergency Response In Youth Club Sports, Melissa Garcia

Nursing | Student Research Posters

Sudden cardiac arrest (SCA) is a medical emergency where the heart unexpectedly stops beating due to an electrical malfunction. A person experiencing a cardiac arrest collapses, loses consciousness, and ceases breathing (American Heart Association, 2022).

Exercise offers numerous benefits to the cardiovascular system and a person’s overall health. However, there are incidents of sports-related cardiac arrest in apparently healthy athletes, including children and young adults. Athletes may be exposed to dehydration, adrenic surges, electrolyte imbalances, acid/base disturbances, and trauma which increases their risk of experiencing a cardiac event (Wasfy et al., 2016).

Sudden cardiac arrest is the leading cause of …

Antibiotics For Culture-Negative Neonatal Early-Onset Sepsis: Measuring The Unmeasurable, Dustin D Flannery, Matthew B Green

Rowan-Virtua School of Osteopathic Medicine Departmental Research

No abstract provided.

Issue 12: Pulmonary &Critical Care Insider, Bharat Bajantri Md, Sarah Ellsworth-Hoffman Mls, Dustin D Linn, Numra Urooj Md

Critical Care & Pulmonary

Pulmonary & Critical Care Insider Issue 12

Compiled by Bharat Bajantri, MD, and librarian Sarah Ellsworth, MLS for the clinicians of the Pulmonary and Critical Care team of Parkview.

The Pulmonary & Critical Care Insider newsletter was created by Dr. Bharat Bajantri, MD and Sarah Ellsworth, MLS in 2023 as a form of current awareness for current practice at our hospital, Parkview Health.

Topics: Original Study Summaries, Viewpoints, and Snapshots

Early COPD & Asthma Diagnosis & Treatment, ENHANCE trial, ANNEXA-I trial, Angiotensin II Use in Vasodilatory Shock, Ammonia in Liver Failure, Pirfenidone and more.

Mechanistic Diversity And Functional Roles Define The Substrate Specificity And Ligand Binding Of Bacterial Pgp Phosphatases, Wei Niu, Joanne Shi Woon Lam, Trung Vu, Guangwei Du, Hao Fan, Lei Zheng

Faculty, Staff and Student Publications

Phosphatidylglycerol is a critical membrane phospholipid in microorganisms, synthesized via the dephosphorylation of phosphatidylglycerol-phosphate (PGP) by three membrane-bound phosphatases: PgpA, PgpB, and PgpC. While any one of these enzymes can produce phosphatidylglycerol at WT levels, the reason for the presence of all three in bacteria remains unclear. To address this question, we characterized these phosphatases in vitro to uncover their mechanistic differences. Our assays demonstrated that all three enzymes catalyze the hydrolysis of PGP but exhibit distinct substrate selectivity. PgpB displays a broad substrate range, dephosphorylating various lipid phosphates, while PgpA and PgpC show a higher specificity for lysophosphatidic acid …

Substance Use And Outcomes Of Left-Sided Valve Replacement In Patients With Infective Endocarditis, Katie J Hogan, Christopher B Sylvester, Travis J Miles, Matthew Wall, Todd K Rosengart, Marc R Moon, Joseph S Coselli, Subhasis Chatterjee, Ravi K Ghanta

Faculty, Staff and Students Publications

BACKGROUND: Rising rates of substance use (SU) have resulted in an increasing need for left-sided valve surgery for SU-associated infective endocarditis (SU-IE). We compared outcomes, readmissions, and costs between IE patients with and without SU-IE in a national cohort.

METHODS: Using the Nationwide Readmissions Database (2016-2018), we identified 10,098 patients with infective endocarditis (IE) who underwent isolated aortic or mitral valve replacement. Outcomes within the same calendar year as the index operation were compared between patients with and without SU-IE. Multivariable logistic regressions were used to identify factors associated with in-hospital mortality and 30-day and 90-day readmissions. Kaplan-Meier analysis and …

Exploring Fibroblast Interactions On Nanocrystalline Surfaces In Physiological Environments Through A Phenomenological Lens, R D K Misra, Aladin M Boriek

Faculty, Staff and Students Publications

The cytological behaviour and functional dynamics (adhesion, spreading, synthesis of proteins) of fibroblasts when interacting with biomedical surfaces are intricately influenced by the inherent nature of surface (nanocrystalline or microcrystalline), where the nanocrystalline (NC) surface is preferred in relation to the microcrystalline (MC) surface. This preference is a direct consequence of the distinct differences in physical and chemical characteristics between NC and MC surfaces, which include crystal boundary bio-physical attributes, electron work function, surface energy, and charge carrier density. The observed variances in cytological behaviour at the interfaces of NC and MC bio-surfaces can be attributed to these fundamental differences, …

Evaluation Of Stress Ulcer Prophylaxis In Pediatric General Medicine Patients After Transfer From The Intensive Care Unit And At Discharge, Lamees Loubani, Jenna W Bartlett, Brent Mothner, Rathi Asaithambi, Surin Lee

Faculty, Staff and Students Publications

OBJECTIVES: The primary aim of this study was to determine continuation rates of stress ulcer prophylaxis (SUP) upon transfer from a pediatric intensive care unit (PICU) to a general medicine unit and upon hospital discharge. The secondary aim was to identify patient characteristics or concomitant medications that were associated with continuation of SUP at transfer from the PICU.

METHODS: This retrospective chart review included patients who were initiated on acid suppression for SUP in the PICU between June 2021 and May 2022 and subsequently transferred to a general medicine unit prior to discharge. Patients were excluded if they were receiving …

Predicting Severe Covid-19 Using Readily Available Admission Indicators: Spo2/Fio2 Ratio, Comorbidity Index, And Gender, Luan D. Vu, Rebecca C. Christofferson, Hollis R. O’Neal, Diana Hamer, Anh T.Q. Phan, Katie M. Vance, E. A. Turner, Avinash Kumar, Ibrahim Musa Yola, Natalie Lim, Beverly Ogden, Stephania A. Cormier

School of Medicine Faculty Publications

The focus of this study was to identify risk factors for severe and critical COVID-19, evaluate local respiratory immune responses to SARS-CoV-2 infection, and develop a prognostic tool for COVID-19 severity using accessible early indicators. Using nasopharyngeal swab samples from hospitalized patients with COVID-19 of varying severity during the first wave of the pandemic from March to May 2020 in Louisiana, we evaluated the association between COVID-19 severity and viral load, respiratory immune mediators, and demographic/clinical factors. We found that the SpO2/FiO2 ratio at triage, total comorbidity burden (represented by Charlson Comorbidity Index), and gender were significantly associated with COVID-19 …

Nurse-Led Interprofessional Pressure Injury Prevention In The Medical Intensive Care Unit, Chelsea Lannoo

St. Joseph Hospital, Orange, CA. Evidence Based Practice Conference

No abstract provided.

Nurse Education On Icu Liberation To Improve Sedation Practices For Mechanical Ventilated Patients In Icu, Renae Sybesma

St. Joseph Hospital, Orange, CA. Evidence Based Practice Conference

No abstract provided.

Use Of Agitation Scale Decision Scoring Grid To Improve Care Of Agitated/Anxious Patients In Dsu, Carmyle Seville, Angelica Taneca

St. Joseph Hospital, Orange, CA. Evidence Based Practice Conference

No abstract provided.

Life Course Stressors, Latent Coping Strategies, Alcohol Use, And Adherence Among People With Hiv, Amrita Gill, Gretchen Clum, Patricia Molina, David Welsh, Tekeda Ferguson, Katherine P. Theall

School of Medicine Faculty Publications

People with HIV (PWH) have often experienced chronic stressors across their lifespan, including adverse childhood experiences (ACES), lifetime economic hardship (LEH), and concurrent stressors associated with living in urban areas (urban stress). Prolonged exposure to stressors might result in differential coping patterns among PWH that can impact care trajectories. We utilized a life course-informed approach to examine chronic stressors as antecedents of latent coping strategies among PWH in care. High-risk alcohol use and non-adherence to anti-retroviral therapy (ART) were examined as consequences of latent coping strategies. Data were utilized from the baseline and interim follow-up visit of the New Orleans …

Lung Tissue Multilayer Network Analysis Uncovers The Molecular Heterogeneity Of Chronic Obstructive Pulmonary Disease, Nuria Olvera, Jon Sánchez-Valle, Iker Núñez-Carpintero, Joselyn Rojas-Quintero, Guillaume Noell, Sandra Casas-Recasens, Alen Faiz, Philip Hansbro, Angela Guirao, Rosalba Lepore, Davide Cirillo, Alvar Agustí, Francesca Polverino, Alfonso Valencia, Rosa Faner

Faculty, Staff and Students Publications

Rationale: Chronic obstructive pulmonary disease (COPD) is a heterogeneous condition. Objectives: We hypothesized that the unbiased integration of different COPD lung omics using a novel multilayer approach might unravel mechanisms associated with clinical characteristics.

Methods: We profiled mRNA, microRNA and methylome in lung tissue samples from 135 former smokers with COPD. For each omic (layer), we built a patient network on the basis of molecular similarity. The three networks were used to build a multilayer network, and optimization of multiplex modularity was used to identify patient communities across the three distinct layers. Uncovered communities were related to clinical features.

Measurements …

Efficacy Of A Communication Toolkit To Optimize Palliative Care Communication In The Surgical Intensive Unit, Kathryn J. Cary, Aubrey Place, Marta Mccrum, Joanna Grudziak, Lauren Mcguire

Patient Experience Journal

Data demonstrates patients benefit from the experience of specialty palliative care providers for advance care planning and prioritizing quality of life, regardless of diagnosis or stage of illness. Despite these benefits, many intensive care units (ICUs) show low utilization of palliative care. The purpose of this study was to evaluate the ability of a bedside communication toolkit to improve communication between family members and caregivers of surgical ICU patients and the ICU team, particularly in the context of medical updates and decision-making. A pilot bedside communication tool was completed by fifty family members of trauma and emergency general surgery (EGS) …

Early Mobility And Delirium Prevention For Intensive Care Unit Patients At Kingman Regional Medical Center, Lyndsey R. Lehman Ms, Otr/L

Masters Projects

Over five million patients are admitted to the intensive care unit (ICU) annually in the United States, with 50-70% of those developing debilitating physical, cognitive, and mental health issues. Occupational therapy (OT) is a holistic profession that provides evidence-based interventions to improve ICU patients’ function and participation in daily occupations by addressing early mobility and delirium. A needs assessment performed for the Kingman Regional Medical Center (KRMC) ICU revealed a lack of knowledge about early mobility and delirium prevention among nursing staff, underutilization and limited understanding of OT services, and KRMC-specific barriers impacting patient care. This author designed and implemented …

The Complex Relationship Between Tuberculosis And Hyperglycemia, Michelle Byers, Elizabeth Guy

Faculty, Staff and Students Publications

Hyperglycemia and tuberculosis are dual global pandemics. Each has a propulsive and amplifying effect on the other, and, because of this, we must consider hyperglycemia and tuberculosis together. Hyperglycemia is immunosuppressive and increases the risk of tuberculosis by threefold. It also leads to a more advanced presentation of pulmonary tuberculosis, thus increasing the likelihood of being smear positive and having cavitating lesions, and it impacts the duration and outcomes of treatment, with an increased one year mortality seen in patients with tuberculosis and diabetes. Additionally, any degree of hyperglycemia can have an impact on susceptibility to tuberculosis, and this effect …

Hypothermia In Patients With Traumatic Injuries: An Integrative Review, Andrew P. Gribble, David J. Saucedo

Master's Projects

Abstract

Background: An estimated 30-50% of severely injured patients with traumatic injuries will experience hypothermia. As a result of hypothermia, several clinical manifestations such as impaired coagulation, dissociation of the oxygen curve, cardiac arrhythmias, reduced cardiac output and death. Little evidence has been published promoting specific patient re-warming protocols and the best rewarming methods, active versus passive. Few studies have focused on the pre-hospitalization treatment for hypothermia and the overall effectiveness of interventions to mitigate hypothermia to reduce morbidity and mortality. Given this knowledge, the aim of this integrative review (IR) is to research and evaluate current practices regarding hypothermia …