Publications by authors named "Shannon A Novosad"

Infections cause substantial morbidity and mortality among patients receiving care in outpatient hemodialysis facilities. We describe comprehensive infection prevention assessments by US public health departments using standardized interview and observation tools. Results demonstrated how facility layouts can undermine infection prevention and that clinical practices often fall short of policies.

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This quality improvement study assesses COVID-19 vaccination in dialysis clinics, vaccination coverage, and disparities from December 1, 2020, to June 13, 2021.

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Background: Performing catheter-care observations in outpatient hemodialysis facilities are one of the CDC's core interventions, which have been proven to reduce bloodstream infections. However, staff have many competing responsibilities. Efforts to increase and streamline the process of performing observations are needed.

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Background: Catheter-associated urinary tract infections (CAUTI) and central line-associated bloodstream infections (CLABSI) represent a substantial portion of health care-associated infections (HAIs) reported in the United States. The Targeted Assessment for Prevention Strategy is a quality improvement framework to reduce health care-associated infections. Data from the Targeted Assessment for Prevention Facility Assessments were used to determine common infection prevention gaps for CAUTI and CLABSI.

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SARS-CoV-2, the virus that causes coronavirus disease 2019 (COVID-19), can spread rapidly in nursing homes once it is introduced (1,2). To prevent outbreaks, more data are needed to identify sources of introduction and means of transmission within nursing homes. Nursing home residents who receive hemodialysis (dialysis) might be at higher risk for SARS-CoV-2 infections because of their frequent exposures outside the nursing home to both community dialysis patients and staff members at dialysis centers (3).

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Article Synopsis
  • - COVID-19, caused by the SARS-CoV-2 virus, was first identified in China in December 2019, and the initial case in Illinois, USA, was investigated by health agencies in January 2020.
  • - A woman in her 60s tested positive for SARS-CoV-2 after returning from China, leading to the identification of 372 contacts, with 347 monitored for symptoms; out of these, 43 were classified as persons under investigation, but all tested negative for the virus.
  • - The findings suggest that while there was direct person-to-person transmission in the initial case, extensive monitoring and testing of contacts, both symptomatic and asymptomatic, did not reveal any further spread of the virus. *
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Objective: To describe pathogen distribution and rates for central-line-associated bloodstream infections (CLABSIs) from different acute-care locations during 2011-2017 to inform prevention efforts.

Methods: CLABSI data from the Centers for Disease Control and Prevention (CDC) National Healthcare Safety Network (NHSN) were analyzed. Percentages and pooled mean incidence density rates were calculated for a variety of pathogens and stratified by acute-care location groups (adult intensive care units [ICUs], pediatric ICUs [PICUs], adult wards, pediatric wards, and oncology wards).

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Background: Infectious Diseases Society of America/Society for Healthcare Epidemiology of America (IDSA/SHEA) guidelines describe recommended therapy for Clostridioides difficile infection (CDI).

Objective: To describe CDI treatment and, among those with severe CDI, determine predictors of adherence to the 2010 IDSA/SHEA treatment guidelines.

Design: We analyzed 2013-2015 CDI treatment data collected through the Centers for Disease Control and Prevention's Emerging Infections Program.

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Rationale & Objective: Contaminated water and other fluids are increasingly recognized to be associated with health care-associated infections. We investigated an outbreak of Gram-negative bloodstream infections at 3 outpatient hemodialysis facilities.

Study Design: Matched case-control investigations.

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In 2016, Zika virus disease developed in a man (patient A) who had no known risk factors beyond caring for a relative who died of this disease (index patient). We investigated the source of infection for patient A by surveying other family contacts, healthcare personnel, and community members, and testing samples for Zika virus. We identified 19 family contacts who had similar exposures to the index patient; 86 healthcare personnel had contact with the index patient, including 57 (66%) who had contact with body fluids.

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Background: Mycoplasma hominis is a commensal genitourinary tract organism that can cause infections outside the genitourinary tract. We investigated a cluster of M. hominis surgical site infections in patients who underwent spine surgery, all associated with amniotic tissue linked to a common donor.

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Rationale: The natural history of nontuberculous mycobacteria (NTM) respiratory infection in the general population is poorly understood.

Objectives: To describe the long-term clinical, microbiologic, and radiographic outcomes of patients with respiratory NTM isolates.

Methods: We previously identified a population-based cohort of patients with respiratory NTM isolation during 2005-2006 and categorized patients as cases or noncases using the American Thoracic Society/Infectious Diseases Society of America pulmonary NTM disease criteria at that time.

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Rationale: The mortality of patients with respiratory tract isolates of nontuberculous mycobacteria (NTM) and their risk factors for death are not well described.

Objectives: To determine age-adjusted mortality rates for patients with respiratory NTM isolates and their causes of death and to examine whether American Thoracic Society/Infectious Diseases Society of America (ATS/IDSA) diagnostic criteria identify those at higher risk of death after NTM isolation.

Methods: We linked vital records registries with a previously identified Oregon population-based cohort of patients with NTM respiratory isolation.

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Article Synopsis
  • Sepsis is a severe and potentially lethal condition caused by infections, indicating a need for more information on patient demographics and risk factors to improve prevention and treatment.!
  • A study reviewed medical records of 246 adults and 79 children from four New York hospitals, finding that 72% had health care factors or chronic conditions prior to sepsis, with pneumonia being the most common infection identified.!
  • The findings led to the conclusion that better infection prevention strategies, such as vaccinations and effective management of chronic diseases, could significantly reduce the incidence of sepsis, prompting the CDC to launch a campaign focusing on these issues and early recognition of sepsis for improved patient safety.!
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On September 17, 2015, the Pennsylvania Department of Health (PADOH) notified CDC of a cluster of three potentially health care-associated mucormycete infections that occurred among solid organ transplant recipients during a 12-month period at hospital A. On September 18, hospital B reported that it had identified an additional transplant recipient with mucormycosis. Hospitals A and B are part of the same health care system and are connected by a pedestrian bridge.

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Mycobacterium abscessus is often resistant to multiple antimicrobial drugs, and data supporting effective drugs or dosing regimens are limited. To better identify treatment approaches and associated toxicities, we collected a series of case reports from the Emerging Infections Network. Side effects were common and often led to changing or discontinuing therapy.

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Corticosteroids are frequently used to treat rheumatic diseases. Their use comes with several well-established risks, including osteoporosis, avascular necrosis, glaucoma, and diabetes. The risk of infection is of utmost concern and is well documented, although randomized controlled trials of short-term and lower-dose steroids have generally shown little or no increased risk.

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Purpose Of Review: Chronic obstructive pulmonary disease (COPD) and bronchiectasis are two different but related diseases that occur separately, but can coexist. In this review, we will examine the recent research regarding patients with COPD who have coexisting bronchiectasis.

Recent Findings: Recent research has focused on defining distinct COPD phenotypes with the ultimate goal of changing the outcomes using tailored therapies.

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