6,418 results match your criteria: "University of Michigan Health System.[Affiliation]"

Little is known about the safety of infusing vasopressors through a midline catheter. To evaluate safety outcomes after vasopressor administration through a midline. We conducted a cohort study of adults admitted to 39 hospitals in Michigan (December 2017-March 2022) who received vasopressors while either a midline or peripherally inserted central catheter (PICC) was in place.

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Immunological Analysis of Cryptococcal Meningoencephalitis in a Murine Model.

Methods Mol Biol

May 2023

Department of Veterans Affairs Health System, Research Service, Ann Arbor VA Healthcare System, Ann Arbor, MI, USA.

Cryptococcal meningoencephalitis (CM), caused by the fungal pathogen Cryptococcus neoformans species complex, can lead to high mortality or severe neurological sequelae in survivors that are associated with excessive inflammation in the central nervous system (CNS), especially in those who develop immune reconstitution inflammatory syndrome (IRIS) or postinfectious immune response syndrome (PIIRS). While the means to establish a cause-and-effect relationship of a specific pathogenic immune pathway during CM by human studies are limited, mouse models allow dissection of the potential mechanistic links within the CNS immunological network. In particular, these models are useful for separating pathways contributing predominantly to immunopathology from those important for fungal clearance.

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Article Synopsis
  • The integration of genomic data with electronic health records aims to enhance predictions of postoperative complications like acute kidney injury (AKI) through genome-wide association studies (GWAS).
  • Researchers conducted a GWAS on cardiac surgery-associated AKI using genetic data from two biorepositories, analyzing clinical risk factors alongside polygenic risk scores.
  • Although they identified six suggestive genetic variants linked to AKI, polygenic risk scores did not show a significant association with AKI outcomes, while other clinical factors, such as diabetes and case duration, were significant predictors.
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Context.—: Syringocystadenocarcinoma papilliferum (SCACP) is a rare adnexal carcinoma and the malignant counterpart of syringocystadenoma papilliferum (SCAP), which is commonly located on the head and neck and may arise in association with a nevus sebaceus. RAS mutations have been identified in both SCAP and nevus sebaceus.

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Article Synopsis
  • The study reveals that African-Americans (AA) are less frequently diagnosed with COPD using the fixed-ratio spirometry criterion (FEV/FVC < 0.7), with 70% of AA participants classified as non-COPD compared to 49% of non-Hispanic whites (NHW).
  • Younger AA smokers exhibited higher current smoking rates, fewer smoking years, but similar 12-year mortality rates when compared to NHW smokers.
  • The analysis showed that AA with undiagnosed COPD (GOLD 0) experienced greater respiratory symptoms and worse health scores, suggesting that fixed-ratio criteria may underdiagnose COPD in this population.
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Introduction: Millions of patients receive general anaesthesia for surgery annually. Crucial gaps in evidence exist regarding which technique, propofol total intravenous anaesthesia (TIVA) or inhaled volatile anaesthesia (INVA), yields superior patient experience, safety and outcomes. The aim of this pilot study is to assess the feasibility of conducting a large comparative effectiveness trial assessing patient experiences and outcomes after receiving propofol TIVA or INVA.

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Background: Clinicians are motivated to provide safe, high-quality care to patients with chronic liver disease. This includes the desire to avoid litigation. Data are limited regarding the actual sources of medicolegal risk in chronic liver disease.

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Introduction: Previous studies suggest that unmeasured organizational factors drive variability in anesthesia-assisted sedation (AA) use.

Methods: A mixed-methods study of 11 Veterans Health Administration and community gastrointestinal endoscopy sites; qualitative interviews of key sedation decision-makers.

Results: Three key interview themes were identified: (i) Increased AA demand and changes in endoscopist sedation training in fellowship drove site-level AA capacity expansion; (ii) this expansion further influenced sedation decisions in favor of AA use; and (iii) additional organizational factors influencing AA use included site-level decision-making processes and differences between Veterans Health Administration and community practice economics/mission.

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Evaluating the aggressiveness of prostate cancer (PCa) is crucial for PCa diagnosis and prognosis. Previously, studies have shown that photoacoustic spectral analysis (PASA) can assess prostate tissue microarchitecture for evaluating the aggressiveness of PCa. In this study, in a transgenic mouse (TRAMP) model of PCa, we utilized methylene blue polyacrylamide nanoparticles (MB PAA NPs) to label the cancer cells in prostate in vivo.

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Saturated fatty acids dampen the immunogenicity of cancer by suppressing STING.

Cell Rep

April 2023

Graduate Program in Immunology, University of Michigan Medical School, Ann Arbor, MI, USA; Department of Periodontics and Oral Medicine, University of Michigan, Ann Arbor, MI, USA; University of Michigan Rogel Cancer Center, Ann Arbor, MI, USA; Graduate Program in Oral Health Sciences, University of Michigan School of Dentistry, Ann Arbor, MI, USA; Department of Otolaryngology-Head and Neck Surgery, University of Michigan Health System, Ann Arbor, MI, USA. Electronic address:

Oncogenes destabilize STING in epithelial cell-derived cancer cells, such as head and neck squamous cell carcinomas (HNSCCs), to promote immune escape. Despite the abundance of tumor-infiltrating myeloid cells, HNSCC presents notable resistance to STING stimulation. Here, we show how saturated fatty acids in the microenvironment dampen tumor response to STING stimulation.

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Risk of Sudden Death in Patients With RASopathy Hypertrophic Cardiomyopathy.

J Am Coll Cardiol

March 2023

Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto Ontario, Canada; Ted Rogers Computational Program, Ted Rogers Centre for Heart Research, Peter Munk Cardiac Centre, University Health Network, Toronto, Ontario, Canada; Ted Rogers Centre for Heart Research, Toronto, Ontario, Canada. Electronic address:

Background: Genetic defects in the RAS/mitogen-activated protein kinase pathway are an important cause of hypertrophic cardiomyopathy (RAS-HCM). Unlike primary HCM (P-HCM), the risk of sudden cardiac death (SCD) and long-term survival in RAS-HCM are poorly understood.

Objectives: The study's objective was to compare transplant-free survival, incidence of SCD, and implantable cardioverter-defibrillator (ICD) use between RAS-HCM and P-HCM patients.

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Autoimmune Skin Conditions: Foreword.

FP Essent

March 2023

University of Michigan Health System, 24 Frank Lloyd Wright Drive Lobby H SPC 5795, Ann Arbor, MI 48109-5795,

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Cigarettes, ENDS Use, and Chronic Obstructive Pulmonary Disease Incidence: A Prospective Longitudinal Study.

Am J Prev Med

August 2023

Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan; Department of Integrative Oncology, BC Cancer Research Institute, Vancouver, British Columbia, Canada. Electronic address:

Introduction: Understanding the relationship between ENDS use and chronic obstructive pulmonary disease (COPD) and other respiratory conditions is critical. However, most previous studies have not fully adjusted for cigarette smoking history.

Methods: Using Waves 1-5 of the U.

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We hereby apply the approach of photoacoustic chemical imaging, performing an in vivo chemical analysis that is spatially resolved (200 μm) and in real time, to predict a given tumor's response to therapy. Using triple negative breast cancer as a model, we took photoacoustic images of tumors' oxygen distributions in patient-derived xenografts (PDXs) in mice using biocompatible, oxygen-sensitive tumor-targeted chemical contrast nanoelements (nanosonophores), which function as contrast agents for photoacoustic imaging. Following radiation therapy, we established a quantitatively significant correlation between the spatial distribution of the initial oxygen levels in the tumor and its spatial distribution of the therapy's efficacy: the lower the local oxygen, the lower the local radiation therapy efficacy.

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Deep venous thrombosis and residual thrombus burden correlates with circulating IL-6 levels in humans. To investigate the cellular source and role of IL-6 in thrombus resolution, Wild type C57BL/6J (WT), and IL-6 mice underwent induction of VT via inferior vena cava (IVC) stenosis or stasis. Vein wall (VW) and thrombus were analyzed by western blot, immunohistochemistry, and flow cytometry.

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Why, When, How, and Where to Find an Experienced Qualitative Researcher.

J Grad Med Educ

February 2023

is an Associate Professor of Surgery and Learning Health Sciences, Vice Chair for Resident Professional Development, Department of Surgery, University of Michigan Health System, and Associate Editor, JGME.

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Background & Aims: Non-alcoholic fatty liver disease (NAFLD) can develop in individuals who are not overweight. Whether lean persons with NAFLD have lower mortality and lower incidence of cirrhosis, cardiovascular diseases (CVD), diabetes mellitus (DM) and cancer than overweight/obese persons with NAFLD remains inconclusive. We compared mortality and incidence of cirrhosis, CVD, DM and cancer between lean versus non-lean persons with NAFLD.

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