12,541 results match your criteria: "Hospital of the University of Pennsylvania[Affiliation]"

Background: The association between subclinical cardiovascular disease (CVD) and cognitive decline in hypertensive adults and the underlying brain pathologies remain unclear. It is also undetermined whether intensifying blood pressure (BP) treatment slows down cognitive decline associated with subclinical CVD.

Methods: We conducted a post hoc analysis of the Systolic Blood Pressure Intervention Trial.

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Importance: There is growing awareness of the US health sector's substantial contribution to the country's greenhouse gas (GHG) emissions, exacerbating the health threats from climate change. Reducing health care's environmental impact requires understanding its carbon emissions, but there are few published audits of health systems and fewer comprehensive emissions analyses at the clinic or department level.

Objective: To quantify the annual GHG emissions from a large outpatient dermatology practice, compare relative sources of emissions, and identify actionable targets.

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Importance: The Aspirin and Hemocompatibility Events With a Left Ventricular Assist Device in Advanced Heart Failure (ARIES-HM3) study demonstrated that aspirin may be safely eliminated from the antithrombotic regimen after HeartMate 3 (HM3 [Abbott Cardiovascular]) left ventricular assist device (LVAD) implantation. This prespecified analysis explored whether conditions requiring aspirin (prior percutaneous coronary intervention [PCI], coronary artery bypass grafting [CABG], stroke, or peripheral vascular disease [PVD]) would influence outcomes differentially with aspirin avoidance.

Objective: To analyze aspirin avoidance on hemocompatibility-related adverse events (HRAEs) at 1 year after implant in patients with a history of CABG, PCI, stroke, or PVD.

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Immune checkpoint inhibitors (ICIs) have shown promise in the treatment of gastric and oesophageal cancers (GEC). Despite their promising efficacy, ICIs have been associated with unique side effects known as immune-related adverse events (IRAEs). Several studies have shown improved treatment responses in patients with IRAEs compared to those without IRAEs in various cancer types such as melanoma and non-small cell lung cancer.

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Osteoid Osteoma in an Elderly Patient: Diagnostic Challenges.

Int J Surg Pathol

January 2025

Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Osteoid osteoma is a benign bone tumor commonly affecting young individuals, with a rare occurrence in older adults. It typically presents with night pain relieved by nonsteroidal anti-inflammatory drugs and is characterized radiographically by a small, radiolucent nidus surrounded by reactive sclerosis. We present a 70-year-old female patient with persistent right hip pain, initially diagnosed as arthritis, who underwent total hip arthroplasty.

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It is well understood that cancer therapies including chemotherapy, tyrosine kinase inhibitors, immune checkpoint inhibitors, and radiation can increase the risk of cardiovascular disease in patients with cancer. This can manifest as a multitude of pathologies including left ventricular dysfunction, myocarditis, cardiomyopathy, accelerated atherosclerosis, and coronary vasospasm. Multimodal cardiac imaging plays a critical role in diagnosing such pathologies by relying on noninvasive tools including echocardiograms, cardiac magnetic resonance imaging, positron emission tomography, single-photon emission computed tomography, and coronary computed tomography angiography.

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Pharmacological Advancements of PRC2 in Cancer Therapy: A Narrative Review.

Life (Basel)

December 2024

Parrish Healthcare, 951 North Washington Ave., Titusville, FL 32796, USA.

Polycomb repressive complex 2 (PRC2) is known to regulate gene expression and chromatin structure as it methylates H3K27, resulting in gene silencing. Studies have shown that PRC2 has dual functions in oncogenesis that allow it to function as both an oncogene and a tumor suppressor. Because of this, nuanced strategies are necessary to promote or inhibit PRC2 activity therapeutically.

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The impact of common and rare genetic variants on bradyarrhythmia development.

Nat Genet

January 2025

Telemachus and Irene Demoulas Family Foundation Center for Cardiac Arrhythmias, Massachusetts General Hospital, Boston, MA, USA.

To broaden our understanding of bradyarrhythmias and conduction disease, we performed common variant genome-wide association analyses in up to 1.3 million individuals and rare variant burden testing in 460,000 individuals for sinus node dysfunction (SND), distal conduction disease (DCD) and pacemaker (PM) implantation. We identified 13, 31 and 21 common variant loci for SND, DCD and PM, respectively.

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Article Synopsis
  • Prostate cancer is a prevalent and serious health issue for men, and this study aims to evaluate how effective radiomics is in predicting the cancer grade.
  • The research systematically reviewed 43 studies involving nearly 10,000 patients, using advanced imaging techniques and established quality assessment tools to analyze data.
  • Results indicate that radiomics models show high accuracy in predicting prostate cancer grades, suggesting they could enhance traditional diagnostic methods and improve clinical decision-making.
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Predicting Unilateral Aldosterone Secretion in Primary Aldosteronism.

J Surg Res

December 2024

Division of Endocrine and Oncologic Surgery, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania. Electronic address:

Introduction: Primary aldosteronism affects 20% of patients with resistant hypertension and may be due to unilateral or bilateral causes. Patients with a unilateral source of aldosterone secretion are potentially curable with adrenalectomy. Adrenal vein sampling (AVS) is the definitive test for subtype differentiation but may not be accessible outside tertiary centers.

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Background: New surgeons experience heavy workload during robot-assisted surgery partially because they must use vision to compensate for the lack of haptic feedback. We hypothesize that providing realistic haptic feedback during dry-lab simulation training may accelerate learning and reduce workload during subsequent surgery on patients.

Methods: We conducted a single-blinded study with 12 general surgery residents (third and seventh post-graduate year, PGY) randomized into haptic and control groups.

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Preclinical Experience Using 4D Intracardiac Echocardiography to Guide Cardiac Electrophysiology Procedures.

J Cardiovasc Electrophysiol

December 2024

Division of Cardiovascular Medicine, Cardiac Electrophysiology Section, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.

Introduction: Intracardiac echocardiography (ICE) is an essential imaging modality for electrophysiology procedures, allowing intraprocedural monitoring, real-time catheter manipulation guidance, and visualization of complex anatomic structures. Four-dimentional (4D) ICE is the next stage in the evolution of the technology, permitting 360° rotation of the imaging plane, simultaneous multiplanar imaging, and volumetric acquisition, similar to transesophageal echocardiography (TEE). In this study, we report our experience with a novel 4D ICE catheter (NuVision, Biosense Webster) in structural electrophysiology procedures and difficult ventricular ablations in a swine preclinical model.

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Background: TransCarotid artery revascularization (TCAR) is a safe minimally invasive option for patients with carotid artery stenosis who are not appropriate candidates for carotid endarterectomy (CEA). Many physicians have not yet adopted this technique in the management of carotid artery stenosis. The aim of this study is to explore overall outcomes of carotid revascularization based on physicians' practices in the Vascular Quality Initiative (VQI).

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Pediatric neurological injury and disease is a critical public health issue due to increasing rates of survival from primary injuries (e.g., cardiac arrest, traumatic brain injury) and a lack of monitoring technologies and therapeutics for treatment of secondary neurological injury.

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Women in rural Bangladesh encounter significant barriers to seeking mental healthcare, primarily due to stigmatization rooted in a lack of knowledge about mental health. To address this issue, community-based participatory research (CBPR) has been identified as a promising approach. CBPR involves the active collaboration of community members and stakeholders in the research process to tackle pressing community issues.

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Letter to Humans-written versus ChatGPT-generated case reports.

J Obstet Gynaecol Res

January 2025

Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA.

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Multiple sclerosis (MS) is a chronic neurological condition resulting in decreased aerobic capacity (peak VO). The hemodynamic responses to peak exercise in MS are unknown. Further, it is unknown if the hemodynamic responses are due to disease or fitness.

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Impact of Kidney Allocation System 250 Policy on One Year Graft Loss.

Am J Transplant

December 2024

Thomas E. Starzl Transplantation Institute, Renal-Electrolyte Division, University of Pittsburgh Medical Center, Pittsburgh, PA. Electronic address:

A new deceased donor kidney allocation system (KAS250) was implemented in March 2021 that prioritizes recipients within a 250 nautical mile radius from the donor hospital. KAS250 was implemented to reduce geographic disparities in access to kidney transplantation. Studies have shown an increase in cold ischemia time (CIT) after KAS250 implementation but the impact on graft outcomes is unknown.

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Mobilization in Neurocritical Care: Challenges and Opportunities.

Curr Neurol Neurosci Rep

December 2024

Department of Neurology, Hospital of The University of Pennsylvania and Penn Presbyterian Medical Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.

Purpose Of Review: Mobilization in the Neurological Intensive Care Unit (NICU) significantly improves outcomes and functional recovery while preventing immobility-related complications. The heterogeneity of neurologic conditions necessitates tailored, interdisciplinary mobilization strategies. This article reviews recent research on enhancing the feasibility and effectiveness of mobilization interventions in NICU settings.

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Biliary and peribiliary cystic lesions represent a diverse group of abnormalities, often discovered incidentally during imaging for unrelated conditions. These lesions, typically asymptomatic, necessitate precise imaging modalities to characterize their nature and determine subsequent clinical actions, such as follow-up imaging, biopsy, or surgical referral. The anatomic location of these cystic lesions, whether biliary or peribiliary, influences both diagnostic and prognostic outcomes.

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