3 research outputs found
Climatologic studies inside Sandy Glacier at Mount Hood Volcano in Oregon, USA
Previous investigations of climatic conditions of glaciers primarily focused on the glacier鈥檚 surface or on the moulin as the entrance to the glacier鈥檚 interior. Many glaciers, however, contain far-reaching cave systems inside the ice that have been understood and investigated as drainage systems for meltwater. Until now, there have been no comprehensive climate studies inside a glacier cave. Thus, the climatic conditions, as well as their effects on the glacier, are unknown. The first climatologic investigations inside the cave system of Sandy Glacier on Mt. Hood in Oregon (USA) in June 2015 have shown that both thermic activity of the volcanic subsurface and chimney effects between the glacier snout at the base of the glacier and higher opening of the moulin can cause drastic melting inside the glacier. Those processes lead to considerably stronger melting from the inside than observations at the surface suggest and can cause an unexpected collapse over a distance of several hundred meters. We will present and assess the first measuring results of both the thermic and flow conditions inside Sandy Glacier
Climatologic studies inside Sandy Glacier at Mount Hood Volcano in Oregon, USA
Previous investigations of climatic conditions of glaciers primarily focused on the glacier鈥檚 surface or on the moulin as the entrance to the glacier鈥檚 interior. Many glaciers, however, contain far-reaching cave systems inside the ice that have been understood and investigated as drainage systems for meltwater. Until now, there have been no comprehensive climate studies inside a glacier cave. Thus, the climatic conditions, as well as their effects on the glacier, are unknown. The first climatologic investigations inside the cave system of Sandy Glacier on Mt. Hood in Oregon (USA) in June 2015 have shown that both thermic activity of the volcanic subsurface and chimney effects between the glacier snout at the base of the glacier and higher opening of the moulin can cause drastic melting inside the glacier. Those processes lead to considerably stronger melting from the inside than observations at the surface suggest and can cause an unexpected collapse over a distance of several hundred meters. We will present and assess the first measuring results of both the thermic and flow conditions inside Sandy Glacier
Comportamiento de la toxoplasmosis ocular activa en el Instituto Cubano de Oftalmolog铆a "Ram贸n Pando Ferrer" Behavior of the active ocular toxoplasmosis in patients of the "Ram贸n Pando Ferrer" Cuban Institute of Ophthalmology
OBJETIVO: Describir los hallazgos patol贸gicos en una serie de pacientes con toxoplasmosis ocular. M脡TODOS: Se realiz贸 un estudio observacional descriptivo de serie de casos, con el prop贸sito de describir el comportamiento de la forma activa de la toxoplasmosis ocular en pacientes atendidos en el Instituto Cubano de Oftalmolog铆a "Ram贸n Pando Ferrer" durante el a帽o 2009. Se examinaron 128 pacientes, a quienes se les efectu贸 examen oftalmol贸gico completo y de laboratorio. RESULTADOS: La forma de presentaci贸n m谩s com煤n fue una retinitis, y el grupo et谩reo m谩s afectado fue el de 20 a 29 a帽os, con ligero predominio del sexo femenino. La disminuci贸n de la visi贸n y los flotadores fueron los principales s铆ntomas de presentaci贸n, y el diagn贸stico se realiz贸 en 106 pacientes de forma cl铆nica. La inflamaci贸n predomin贸 en la zona I de la retina y da帽贸 principalmente, de manera moderada, la visi贸n de los pacientes en el ojo afectado al momento del diagn贸stico. Se instaur贸 tratamiento en 122 de los 128 pacientes y este fue en su mayor铆a el esquema est谩ndar de pirimetamina, sulfadiazina y prednisona. El 53,1 % de los ojos afectados recuperaron su visi贸n normal, mientras permanecieron con disminuci贸n de la visi贸n severa 34 ojos, la mayor铆a causada por complicaciones como cicatrices maculares, que fueron las m谩s registradas. CONCLUSIONES: Buenos resultados visuales pueden ser obtenidos con una terapia adecuada aunque esta depender谩 del 谩rea de la retina afectada, el nivel de la inflamaci贸n intraocular y el tiempo de duraci贸n de la enfermedad.OBJECTIVE: To describe the pathological findings in a series of patients diagnosed with ocular toxoplasmosis. METHODS: A case-series, descriptive and observational study was conducted to describe the behavior of the active way of the ocular toxoplasmosis in patients seen in the "Ram贸n Pando Ferrer" Cuban Institute of Ophthalmology over 2009. A total of 128 were examined who underwent a total laboratory and ophthalmologic examination. RESULTS: The commonest presentation way was as a retinitis and the more involved age-group was that of 20-29 years, with a slight predominance of female sex. The vision decrease and the floaters were the main symptoms of presentation, the clinical diagnosis was made in 106 patients. Inflammation predominated in the 1 retinal zone and involved mainly in a moderate way the vision of patients in the involved eye at diagnosis. In 122 of the 128 treatment was applied consisted in most of the standard scheme of pyrimethamine, sulfadiazine and prednisone. The 43.1 % of involved eyes recovered it normal vision, whereas 34 eyes remained with a severe decrease, most caused by complications including macular scars, which were the more registered. CONCLUSIONS: It is possible to achieve good visual results with an appropriate therapy although it will depend on the involved retinal area, the level of intraocular inflammation and the length of the disease