Infectious Disease Commons^™

The Power Of Proximity: Driving Hand Hygiene Compliance Through Sanitizer Placement, Jennifer E. Jones, Eric Van Middendorp, Leanne Wendt

Posters

Hand hygiene is the cornerstone of infection prevention in healthcare settings and is particularly critical in the Neonatal Intensive Care Unit (NICU) where patients are highly vulnerable due to immature immune systems and frequent exposure to invasive procedures. Healthcare associated infections (HAIs) remain a significant cause of morbidity and mortality among neonates. Evidence consistently identifies proper hand hygiene as the single most effective intervention to reduce HAIs in NICUs. Despite its simplicity, compliance among healthcare workers is often suboptimal, influenced by factors such as workload and accessibility of hand hygiene resources.

Quality In Action: A Systematic Approach To Central Line Associated Bloodstream Infection Prevention, Jennifer E. Jones, Maggie Simons, Sherri Hoard, Gabriel Laney, Adam Nicholson, Victoria Springvloed, Tracy James, Erica Tuffs

Posters

Central line associated bloodstream infections (CLABSIs) are a major source of morbidity, mortality, and increased healthcare costs in hospitalized patients. Reducing CLABSI rates requires more than isolated interventions; it demands a coordinated, multi-disciplinary strategy that addresses clinical practice, workflow and organizational culture.

Operation No Noro: A Multidisciplinary Approach To Containing A Norovirus Outbreak In An Inpatient Rehabilitation Unit, Donika Marko, Roula Hilli, Priscila Bercea, Pamela S. Bozigar, Levi Launder, Stephanie Robertson, Trini A. Mathew

Conference Presentation Abstracts

Norovirus is a highly contagious viral gastroenteritis and can rapidly spread in healthcare settings, particularly in congregate environments such as inpatient rehabilitation units. In March 2025, a cluster of acute gastrointestinal illness was identified on a 34-bed inpatient rehabilitation unit within a 150-bed acute care hospital. Eight patients developed: • Nausea • Vomiting • Diarrhea • Abdominal pain Due to shared spaces, communal therapy activities, and high patient interaction, rapid intervention was initiated to prevent further spread.

Proactive Strategies For Catheter-Associated Urinary Tract Infection (Cauti) Reduction: Leveraging Audit Tools And Interdisciplinary Collaboration, Mica Blauw

Posters

Catheter-associated urinary tract infections (CAUTIs) are a known cause of harm to patients. Policies enforcing infection prevention measures may help minimize the risk of harm to patients, but written policies do not always translate to bedside practice. We implemented a proactive daily audit to increase awareness of, and compliance with, CAUTI prevention tactics.

Code Wet: Navigating Water Leak Mitigation And Remediation Behind The Red Line, Mica Blauw

Posters

Water leaks in the hospital setting are concerning because of the possibility of mold growthon porous materials such asdrywallthatmaylead toinfections. Water leaksbehind the line of demarcation in the surgical services suiterequire extra care during the remediation processdue to the high-risk nature of surgical patients. We navigated water leakmitigation and remediation in a surgical suite while keeping surgical operations funning safely.

Late Hepatitis B Reactivation After Hsct And B-Cell Depleting Therapy: Case Vignettes Challenging Fixed-Duration Prophylaxis, Ariana Cho, Harrison Moses, Muaz Alchirazi, Vishakh Keri, Lea Monday

Conference Presentation Abstracts

Hepatitis B virus (HBV) reactivation remains a critical concern in immunosuppressed oncology and hematopoietic stem cell transplant (HSCT) patients, yet the optimal duration of antiviral prophylaxis is unresolved. Current guidelines recommend 12–18 months of prophylaxis after HSCT or B-cell depleting therapy for patients who are isolated anti-HBc positive, based on documented cases of late reactivation beyond the traditional 12-month threshold. However, these recommendations largely derive from studies in HBsAg-positive patients or those receiving rituximab-containing regimens, with limited data addressing the broader range of high-risk scenarios encountered in practice. We present two vignettes highlighting this gap. Patient 1 is a 60-year-old …

Streptococcus Pneumoniae Cervical Abscess In A Pcv-Immunized Female With Waldenstrom's Macroglobulinema: Exploring The Role Of Opsosonization Failure And Functional Hyposplenesim Beyond The Spectrum Of Malignant B-Cell Disorders, Tanya Amal, Paul Johnson, Ayesha Sharif, Usman Bin Hameed

Conference Presentation Abstracts

A 64-year-old female with recently diagnosed Waldenström's macroglobulinemia presented with pain and swelling in the neck. Three weeks prior, she had accidentally punctured her neck with her fingernail, leading to initial swelling. She visited the ER, but workup showed no acute infection. A contrast-enhanced CT scan revealed enlarged bilateral cervical lymph nodes. Over the next two weeks, the swelling became increasingly painful. On presentation, she had sharp, localized pain (10/10 intensity), tachycardia, and a 3x3 cm swelling on the right side of her neck, with redness, warmth, and tenderness. Laboratory results showed lymphocytic leukocytosis (WBC 31.5, lymphocyte 24.8%, neutrophil 6.1%). …

The Diagnostic Dilemma Of Multisystemic Vasculitides - A Case Report Of Granulomatosis With Polyangiitis, Muhammed Hussain, Tabssum Chauhan, Hafsa Hassan, Marian Jamil, Cecilia Big, Rajiv John

Conference Presentation Abstracts

Granulomatosis with Polyangiitis (GPA) is a small vessel vasculitis disorder that classically involves the upper and lower respiratory tract as well as the kidneys. However, its presentation is not limited to these organ systems as it can present with ocular, dermatological or cardiac involvement, thus creating a broad differential when evaluating patients. This case illustrates the diagnostic challenges with infectious and inflammatory etiologies in a patient with systemic symptoms, concerning imaging and travel to a TB-endemic region. A 57-year-old female with a pertinent history of recurrent sinusitis, left otitis media, and prior sinus surgeries was evaluated for suspicion of possible …

Covid 19 And Its Widespread Effects On Autoimmune Disease, Jessica Ngo, Michelle Jankowski, Matthew Sims, Dwayne Baxa

Conference Presentation Abstracts

COVID-19 has disproportionately affected racial and ethnic minority groups and immunocompromised groups, including those with autoimmune diseases. Studies have shown that African American, Hispanic, and Asian American individuals have higher risk of COVID-19 positivity and ICU admissions. SARS-CoV-2 shares numerous similarities with autoimmune diseases in its symptomology and ability to dysregulate the immune response. This study seeks to investigate differences in COVID-related outcomes between patients with autoimmune diseases and the general population. Methods A multi-center retrospective study was conducted with data from the EPIC database at Corewell Health System in Michigan from December 2019 to November 2021. Variables collected included …

Treatment Rates In A Two-Step Clostridioides Difficile Diagnostic Testing Algorithm, Renee Ringler, Matthew Sims

Posters

Clostridioides difficile is a Gram-positive obligate anaerobe long associated with healthcare-acquired infections in the United States. 1 Clostridioides difficile infection (CDI) has thus become a key metric for assessing facility cleanliness and iatrogenic infection. C. difficile carriage is common, present in approximately 8% of hospitalized patients.2 Therefore, appropriate patient selection for testing and careful testing procedures is crucial to appropriately identify CDI while avoiding the detection of chronic colonization.

Considerable variability exists among institutions regarding standardized CDI laboratory diagnostic methods. Historically, the gold standard for CDI testing was the clinically inefficient toxigenic culture (TC). 3 This was followed by cytotoxic …

Index Cost Comparison Of Laparoscopic Vs Robotic Surgery In Colon And Rectal Cancer Resection: A Retrospective Financial Investigation Of Surgical Methodology Innovation At A Single Institution, Ekene Ezeokoli, Roula Hilli, Harry J. Wasvary

Posters

Robotic assisted colorectal cancer resection (R-CR) has become increasingly commonplace in contrast to traditional laparoscopic cancer resection (L-CR). The aim of this study was to compare the total direct costs of R-CR to that of L-CR and to compare the groups with respect to costs related to LOS.

Aids Associated Cryptosporidial And Cmv Cholangiopathy, Nada Alsharif, Luxhman Gunaseelan, Mamoun Souleiman, Cecilia Big

Conference Presentation Abstracts

Introduction AIDS-associated cholangiopathy is a biliary tract condition seen in AIDS patients who are severely immunosuppressed, contributing to significant mortality in this population even in developed countries with access to HAART therapy. Case Description We discuss a thirty-six-year-old HIV positive male, non-compliant with HAART therapy, who presented with a one year history of weight loss, persistent fatigue and chronic diarrhea, which had worsened significantly in the past few weeks. Routine laboratory studies on presentation indicated elevated liver enzymes and alkaline phosphatase, a CD4 count of two, and a high HIV RNA count of 8.8 million. Imaging via CT abdomen and …

Streptococcus Pneumoniae Neck Abscess In A Patient With Waldenstrom's Macroglobulnemia, Tanya Amal, Paul Johnson, Ayesha Sharif

Conference Presentation Abstracts

Patients with Waldenstrom's macroglobulinemia/lymphoplasmacytic lymphoma are at increased risk of sinopulmonary infections, pyelonephritis, and septicemia. The underlying etiology is assumed to be immune dysregulation. Patient's with Waldenstrom's macroglobulinemia have been shown to have somatic mutations in the "V". "D" and "J/H' segments of immunoglobulin gene. These mutations can affect affinity maturation and formation of memory B cells. Subsequently patient's with Waldenstrom's macroglobulinemia also have a suboptimal response to vaccination against Staphylococcus aureus, Streptococcus pneumoniae and Varicella, similar to those with multiple myeloma. Severe infections with gram positive organisms causing multifocal osteomyelitis, pleural effusion and sepsis have also been reported with …

Methenamine Prophylaxis Reduces Recurrent Urinary Tract Infections, Salwan Al Hani, Matthew Sims

Posters

• Recurrent urinary tract infections (UTIs) are the most common outpatient infection in the US and are often managed with antibiotics in clinical practice.
• A recurrent UTI is defined as 2 or UTIs each 6 months or 3 or more UTIs each year.
• Methenamine is an antiseptic compound approved by the FDA to prevent rUTIs but is seldom used in clinical practice.
• Under acidic conditions, methenamine is converted to 6 molecules of formaldehyde, a compound which prevents bacterial growth.
• This study seeks to determine the effectiveness of methenamine for prevention of recurrent UTIs.

The Hiv Care Continuum - A Quality Improvement Project To Reconnect With Hiv-Positive Patients Lost To Follow-Up Care, Kate Romero, Janet Lombardi, Carmen Demarco, Paul C. Johnson

Posters

• Human Immunodeficiency Virus (HIV): incurable illness transmitted through sex, blood, and trans placentally • Consistent management of HIV prevents progression to AIDS.
• 2013 study à HIV-positive patients who failed to attend their follow-up visit within 4-6 months of the prior visit were more likely to have virologic failure.
• Not much published on barriers to care, but one prior study found barriers shown in Figure 2 below – What are barriers to care faced by HIV-positive patients in Southeast Michigan?

Hiv Diagnosis And Linkage To Care In The Emergency Department, Gabrielle Rowlison, Christopher F. Carpenter

Posters

• It is estimated that 1.2 million people are living with human immunodeficiency virus (HIV) in the United States, and that 14% of this population are unaware of their status.
• Approximately 40% of community transmissions happen between people who do not know they have HIV.
• Current CDC recommendations are that anyone seeking treatment for a sexually transmitted infection (STI) be routinely screened for HIV.
• The Emergency Department (ED) is an ideal place to test for HIV, especially in areas with underinsured populations and high rates of ED visits.
• The HIV testing rate in Corewell Health (CH) East’s ED was previously found …

Combining Drip Score And Rapid Diagnostics For Improved Antibiotic Stewardship, Richard Ramirez, Matthew Sims

Posters

Treatment analysis patterns for broad-spectrum antibiotic use in pneumonia revealed that 60% of patients were overtreated, highlighting the need for effective antibiotic stewardship practices. Systems such as the Drug Resistance in Pneumonia (DRIP) score select patients more likely to require broad spectrum antibiotics but still leads to overtreatment as it does not target specific pathogens. Rapid diagnostics such as the Unyvero Lower Respiratory Tract Panel (LRTP) combined with the DRIP score can identify specific pathogens to further narrow antibiotic use.

Review Of Salvage Therapy For Mrsa Bacteremia At Beaumont Health System, Hazem Alakhras, Matthew D. Sims, Tracey A.H. Taylor

Posters

Treating methicillin-resistant Staphylococcus aureus (MRSA) effectively is imperative to reduce mortality rates, as it contributes to a large amount of healthcare-associated bacteremia in the U.S. However, due to the insufficient and sometimes contradicting studies to guide salvage therapy, there is a lack of clear consensus on treatment of MRSA bacteremia after vancomycin failure. The goal of this study is to showcase the salvage therapies of choice for patients with MRSA bacteremia at Beaumont Health System.

Designing A Surgical Scorecard To Inform And Evaluate Appropriate Perioperative Antibiotic Prophylaxis, Rehan Tariq, Paul Chittick

Posters

Perioperative antibiotic prophylaxis (PAP) implementation is a widespread strategy used to ensure the minimization of surgical site infections (SSIs) during various surgical procedures including hip and knee replacements and organ transplants. Despite the widespread implementation of PAP, there exists a gap in understanding what is considered appropriate PAP. This may be due in part to the absence of a feedback mechanism that educates physicians on which antibiotics are truly appropriate for preventing the SSIs arising from certain surgical procedures. The goal of this project is to design an informative surgical prophylaxis scorecard that physicians can use to determine which antibiotic …

Sars-Cov-2 Immunization/Therapeutics, Matthew Sims

Conference Presentation Abstracts

No abstract provided.

Detection Of Enterotoxin Gene Cluster In Staphylococcus Epidermidis Recovered From Neonatal Liver Abscess, Bishara J. Freij, Barbara E. Robinson-Dunn, Patrick M. Schlievert

Posters

• Neonatal pyogenic liver abscesses are rare • Potential routes of hepatic infection include: portal vein, biliary ducts, hepatic artery during sepsis, or direct spread from infected contiguous structures • Risk factors may include bloodstream infection, abdominal surgery, umbilical vein catheterization, total parenteral nutrition, necrotizing enterocolitis, and/or immune deficiencies • More common in premature infants at present • Variety of etiologic agents for neonatal liver abscess: Staphylococcus aureus (methicillin-susceptible and resistant), coagulase-negative staphylococci (CONS), streptococci, Escherichia coli, Klebsiella, Pseudomonas, Enterobacter, Serratia, and Candida • Umbilical stump and catheter exit site hub often colonized with CONS • CONS colonize nearly all …

Vampirism For The Microbiologist, Joudeh B. Freij, Bishara J. Freij

Posters

Vampirism has been a means to explain the cause of communicable diseases throughout the centuries.

Relatedness Of Urinary Escherichia Coli Strains And Connection Between Strain Type And Clinical Presentation, Anet Szatkowski, Venkathesh Bai, Matthew D. Sims

Posters

INTRODUCTION
Urine is often not a sterile body fluid. When bacteria in the urine cause symptoms it is by definition a urinary tract infection (UTI). The specific symptoms will point toward a bladder infection (cystitis) or a kidney infection (pyelonephritis). Presence of bacteria in the urine without symptoms defines asymptomatic bacteriuria (AB). Despite requiring symptoms to diagnose a UTI, often AB is misdiagnosed as a UTI and treated with antibiotics when none are needed. Escherichia coli is the most common cause of UTIs accounting for 80-90% of community-acquired UTIs and 30-50% of nosocomial UTIs. The goals of this study are …

Quality Improvement Study On Human Papilloma Virus (Hpv) Vaccination Uptake In Hiv Patients, Hassan Akram, Paul Johnson, Trini A Mathew

Posters

INTRODUCTION HPV is strongly associated with cervical cancer and cancers of vagina, vulva, penis, anus, rectum. In 2019, WHO identified vaccine hesitancy as top 10 global threats and planned to increase the HPV vaccine coverage. In June 2019 Advisory Committee on Immunization Practices (ACIP) in the US recommended shared clinical decision-making regarding HPV vaccinations in adults aged 26 through 45 years. The goal of this project is to evaluate the uptake of HPV vaccination and challenges in the HIV patients at Beaumont Hospital.

Resistance In Gram-Negative Bacteria In The Pediatric Patient Population By Age And Sex, Benjamin Malamet, Matthew Sims

Posters

INTRODUCTION
Previous research within the Beaumont Infectious Diseases Research Program found an increase in antibiotic resistance in adult males versus females. Furthermore, there is a peak in resistance in 18-29-year-old males, not seen in females. The origin of this early peak of antibiotic resistance in adults is unclear. This study examines these trends in the pediatric patient population.

Clinical Pathways Leading To Antibiotic Initiation In Patients With Suspected Infection And Their Association With Delays And Mortality, X Han, C Lopez-Espina, P A. Verhoef, A Spicer, A Bhargava, L Schmalz, Matthew Sims, Alexandra Halalau, Nicholas Maddens, Aimee Espinosa

Conference Presentation Abstracts

Rationale: Delayed antibiotic therapy is associated with increased mortality in patients hospitalized with infection. The decision toinitiate therapy in patients with suspected infection is influenced by a variety of information, such as vital signs, and laboratoryresults. Identifying different patterns of events that lead to initiation is necessary to discover factors that could serve as targets forinterventions to expedite this process. We aimed to identify the most common sequences of events that precede antibioticordering and to quantify the time intervals between each event that contribute to antibiotic delays. Methods: This was aretrospective study of adult patients hospitalized at 4 community hospitals …

Cost-Effectiveness Of Recombinant Zoster Vaccine For Vaccinating Immunocompromised Adults Against Herpes Zoster In The United States, Desmond Curran, Ahmed Salem, Stephane Lorenc, Brandon Patterson, Justin Carrico, Katherine A. Hicks, Elizabeth M. La, Sara Poston, Christopher F. Carpenter

Conference Presentation Abstracts

Background. Individuals who are immunocompromised (IC) due to disease or therapy are at increased risk of herpes zoster (HZ), with HZ cases in IC populations also resulting in increased health care resource use and costs as compared with the immunocompetent population. This study assesses the cost-effectiveness of recombinant zoster vaccine (RZV) versus no vaccine for the prevention of HZ in IC adults aged ≥ 18 years in the United States (US). Methods. A Markov model with a one-year cycle length was developed to follow a hypothetical cohort of one million IC individuals for a 30-year time horizon. The model estimates …

Cost-Effectiveness Analysis Of Recombinant Zoster Vaccine For The Prevention Of Herpes Zoster In Immunocompromised Adults Diagnosed With Select Cancers In The United States, Desmond Curran, Brandon Patterson, Justin Carrico, Ahmed Salem, Elizabeth La, Stephane Lorenc, Katherine Hicks, Sara Poston, Christopher Carpenter

Conference Presentation Abstracts

Introduction / Background / Significance: Immunocompromised (IC) populations diagnosed with cancer are at increased risk for herpes zoster (HZ) due to their underlying disease and/or therapy. This risk is highest among individuals receiving hematopoietic stem cell transplant (HSCT) to treat multiple myeloma, lymphomas, or other diseases. HZ is characterized by a painful vesicular rash. IC populations with HZ are also at increased risk of developing HZ-related complications such as postherpetic neuralgia, a persistent pain that can last for months or years. This study evaluates the cost-effectiveness of recombinant zoster vaccine (RZV) versus no vaccine for the prevention of HZ in …

Current Challenges In Covid-19 Triaging: A Global Perspective, Mauli Patel, Robin Sudandiradas, Trini Mathew, Paul Kilgore, Mahadev Rao, Chiranjay Mukhopadhay, Marcus Zervos

Conference Presentation Abstracts

Background and Objectives: Although countries around the world have been combatting the same COVID-19 pandemic over the last year, the triage approach taken by various Emergency Departments (ED) is unique. This paper outlines the guidelines followed by two tertiary care hospitals in Detroit, USA and Manipal, India. By comparing hospital triage implementation protocols, this paper offers insight regarding similarities and differences between Detroit and Manipal ED, as well as strategies to overcome respective challenges. Methods: Triage algorithms from the Detroit Medical Centre in Detroit and Kasturba Medical College Hospital in Manipal were contrasted to illustrate the similarities and differences in …

Association Of Metabolomic Biomarkers With Sleeve Gastrectomy Weight Loss Outcomes, Wendy Miller, Kathryn Ziegler, Stewart Graham, Michael Maddens, Matthew Sims

Articles

Background: Factors influencing weight loss variability following sleeve gastrectomy (SG) are not well understood. We evaluated the correlation of metabolomic biomarkers with weight loss outcomes. Methods: This prospective study evaluated the metabolomic profile of feces and serum prior to SG and three months post-SG, along with weight loss outcomes at three months post-SG (N=45). Serum and fecal samples were quantitatively profiled using a combination of 1H NMR and DI-LC-MS/MS (AbsoluteIDQ P180 kit (Biocrates, Innsbruck)). Results: Percent total weight loss (%TWL) for the lowest versus the highest weight loss tertiles (T1 vs T3) was 11.1 + 0.8% and 17.0 + 1.3%, …