Publications by authors named "G S Hill"
No method of evaluating transthoracic echocardiograms (TTE) image quality (IQ) has been validated. Furthermore, structural echo lab elements impacting IQ are unknown. We sought to develop and validate a TTE IQ grading tool and determine patient and echo lab features associated with IQ.
View Article and Find Full Text PDFChronic graft-versus-host disease remains a frequent and morbid outcome of allogeneic hematopoietic cell transplantation, in which the donor-derived immune system attacks healthy recipient tissue. Preceding tissue damage mediated by chemoradiotherapy and alloreactive T cells compromise central and peripheral tolerance mechanisms, leading to aberrant donor T cell and germinal center B cell differentiation, culminating in pathogenic macrophage infiltration and differentiation in a target tissue, with ensuant fibrosis. This process results in a heterogeneous clinical syndrome with significant morbidity and mortality, frequently requiring prolonged therapy.
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- Migratory birds like the Gambel's white-crowned sparrow rely heavily on mitochondria for energy during their intense migration periods, which is energetically demanding.
- In a study comparing Gambel's sparrows with non-migratory Nuttall's sparrows, it was found that the migratory birds showed significantly more mitochondrial remodelling in their muscles across different stages of migration.
- The research indicates that this remodelling is particularly evident in the pectoralis muscle, which is crucial for flight, demonstrating an adaptive response that helps migratory birds meet their increased energy requirements.
The Psychological Effects of Guillain-Barré Syndrome: A Grounded Theory Study.
Qual Health Res
December 2024
Guillain-Barré syndrome is a rare neurological condition. Research has increased our understanding of the etiology, prognosis, and effective medical treatment of the illness. There is a lack of understanding regarding the psychological effects and what could help patients.
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- * The study introduces enhanced modeling techniques for neutrino flux and detector response, and it distinguishes between starting (inside) and throughgoing (outside) neutrino interaction events to improve energy resolution.
- * The findings indicate a best-fit point for the 3+1 model with sin²(2θ_{24})=0.16 and Δm_{41}²=3.5 eV², supporting previous studies while showing consistency with no evidence of sterile neutrinos, as reflected