Publications by authors named "Levy E"

Background: Being inherently service oriented, healthcare organizations emphasize patient-centered care and service quality. However, unwarranted disruptions during patient-doctor interactions can negatively impact perceptions of service quality. Integrating digital technologies such as smartphones into patient-doctor interactions might affect perceived (as well as actual) service quality.

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The Woven EndoBridge (WEB) device has become a prominent treatment for wide-neck bifurcation intracranial aneurysms since its FDA approval in 2018. However, the impact of anticoagulant therapy on its efficacy and patient outcomes remains underexplored. This study aims to evaluate the effects of postoperative anticoagulant use on aneurysm occlusion, retreatment rates, and functional outcomes following WEB device implantation.

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Protein assembly into functional complexes is critical to life's processes. While complex assembly is classically described as occurring between fully synthesized proteins, recent work showed that co-translational assembly is prevalent in human cells. However, the biological basis for the existence of this process and the identity of protein pairs that assemble co-translationally remain unknown.

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  • Statin therapy during coil embolization for intracranial aneurysms (IAs) may lower the rates of aneurysm recurrence and the need for retreatment.
  • A post hoc analysis of data from the Hydrogel Endovascular Aneurysm Treatment Trial showed that patients on statins had a recurrence rate of 3.8%, compared to 10.7% in those not on statins.
  • Statin use was particularly effective in patients with unruptured aneurysms, significantly reducing recurrence compared to nonstatin users, while having no measurable benefit for ruptured aneurysms.
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Purpose: The aim of this study was to assess the feasibility of quantifying morphologic changes in tumors during immunotherapy, as a reflection of response or survival.

Methods And Materials: A retrospective single-center analysis was performed in patients with unresectable liver cancer previously enrolled in clinical trials combining immunotherapy (tremelimumab ± durvalumab) and locoregional treatment (either ablation or transarterial chemoembolization). Conventional response (RECIST 1.

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Background And Objectives: Histologic and transcriptomic analyses of retrieved stroke clots have identified features associated with patient outcomes. Previous studies have demonstrated the predictive capacity of histology or expression features in isolation. Few studies, however, have investigated how paired histologic image features and expression patterns from the retrieved clots can improve understanding of clot pathobiology and our ability to predict long-term prognosis.

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Background: Gut microbiome modulation is a promising strategy for enhancing the response to immune checkpoint blockade (ICB). Fecal microbiota transplant studies have shown positive signals of improved outcomes in both ICB-naïve and refractory melanoma patients; however, this strategy is challenging to scale. Diet is a key determinant of the gut microbiota, and we have previously shown that (a) habitual high dietary fiber intake is associated with an improved response to ICB and (b) fiber manipulation in mice impacts antitumor immunity.

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Background And Objectives: The performance of select neurosurgical procedures is being transitioned to an outpatient setting rather than an inpatient setting to increase healthcare cost-effectiveness. Despite numerous technological advancements in the treatment of unruptured intracranial aneurysms (UIAs), the procedures are solely performed in an inpatient setting. We aimed to compare the rate of short-term outcomes associated with inpatient endovascular treatment of UIAs with those for established outpatient neurosurgical procedures, including anterior cervical discectomy and fusions (ACDFs) and lumbar discectomies.

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The abnormal assembly of tau protein in neurons is a pathological hallmark of multiple neurodegenerative diseases, including Alzheimer's disease (AD). Assembled tau associates with extracellular vesicles (EVs) in the central nervous system of individuals with AD, which is linked to its clearance and prion-like propagation. However, the identities of the assembled tau species and EVs, as well as how they associate, are not known.

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  • Researchers studied how gametes (reproductive cells) develop in clusters called cysts, which are formed from germ cells connected by intercellular bridges that allow them to share materials.
  • They used advanced live imaging techniques to observe the movement and behavior of these germ cells in their natural environment, revealing how their motility contributes to the formation and breaking of these cysts during embryonic development.
  • The study suggests a balance between cell movement and the stability of intercellular connections determines the size of cysts, with implications for understanding how oocytes (egg cells) are selected and the overall female reproductive system development.
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Background: The EXCELLENT registry aimed to evaluate the effectiveness of the EMBOTRAP Revascularization Device in an all-comer population in a real-world setting, with a focus on the composition of retrieved clots.

Methods: EXCELLENT is a prospective, global registry of patients with acute ischemic stroke treated with EMBOTRAP as the first-line mechanical thrombectomy device conducted at 34 sites (25 sites contributing clot) from September 2018 to March 2021, utilizing core imaging and central histology laboratories blinded to clinical data, independent 90-day modified Rankin Scale assessment and Clinical Events Committee.

Results: After screening 3799 patients, a total of 997 subjects (mean age, 70.

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  • * A 16-year-old girl with Hodgkin's lymphoma developed a vesicular rash after completing chemotherapy, which was identified as a disseminated rash caused by the Oka vaccine-strain varicella-zoster virus, 11 years after her last vaccination.
  • * This case emphasizes the importance of understanding potential complications of immunizations, particularly in patients who become immunocompromised later in life, and highlights the necessity of viral genotyping to differentiate vaccine strains from wild-type infections.*
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Background: The Woven EndoBridge (WEB) is a treatment modality available for the treatment of intracranial aneurysms, specifically beneficial in wide-necked bifurcation aneurysms. Conventional sizing methods rely on the manipulation of aneurysm width and height measurements. This results in frequent need for re-sizing after initial WEB insertion attempts.

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Humanitarian crises often require urgent medical care to people of concern. Such medical aid includes assessing and treating acute medical needs and ongoing chronic health conditions. Among the people of concern there are children, who are often the most vulnerable population in humanitarian contexts because they often lack the experience, independence, and cognitive and verbal skills to deal with the ordeals they are facing.

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ChatGP-Me?

J Med Imaging (Bellingham)

September 2024

The editorial evaluates how the GenAI technologies available in 2024 (without specific coding) could impact scientific processes, exploring two AI tools with the aim of demonstrating what happens when using custom LLMs in five research lab workflows.

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Background And Objectives: Multiple preferences exist for embolic materials selection in middle meningeal artery embolization (MMAE) for chronic subdural hematoma with limited comparative literature data. Herein, we compare different embolic materials.

Methods: Consecutive patients undergoing MMAE for chronic subdural hematoma at 14 North-American centers (2018-2023) were classified into 3 groups: (a) particles, (b) Onyx, (c) n-butyl cyanoacrylate (n-BCA).

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The neurovascular unit (NVU) is a critical interface in the central nervous system that links vascular interactions with glial and neural tissue. Disruption of the NVU has been linked to the onset and progression of neurodegenerative diseases. Despite its significance the NVU remains challenging to study in a physiologically relevant manner.

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  • * This study explored shape heterogeneous nanoparticle mixtures, specifically liposomes and lipodisks, and developed a method to analyze their shape using size exclusion chromatography (SEC) connected with multi-angle light scattering (MALS).
  • * The results indicated that while size-based separation of nanoparticles was challenging when they were similar in size, the light scattering method effectively distinguished their shapes, leading to a semi-quantitative model that accurately predicted liposome percentages for various formulations.
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Parasites can provide suitable models for studying β-diversity due to their strict dependence on both the environment and the biology and distribution of their hosts, aiding in the interpretation of any patterns that hosts can display. With the aim of quantifying the relative importance of host features, environmental factors and spatial distances as drivers of fish parasite β-diversity along a unidirectional gradient, the structure of fish parasite assemblages was analysed using generalised dissimilarity models (GDMs). A total of 150 poeciliid fish were examined for larval trematodes, recording host features and physical parameters of each sampling site along the stream.

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infection is often acquired in early childhood. While most infected children remain asymptomatic, can cause chronic gastritis, gastric ulceration, and, in the long term, gastric cancer. This article aimed to review different diagnostic and treatment options and discuss the challenges associated with applying the current guidelines in the real world.

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Currently, therapy for early-stage human epidermal growth factor receptor 2-positive (HER2+) breast cancer (BC) is based on the combination of trastuzumab and pertuzumab plus chemotherapy in a neoadjuvant regimen. The INMUNOHER study aimed to detect immunological markers in peripheral blood and their association with treatment response. Sixty-two HER2+ BC patients were recruited.

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