ABSTRACT
Background: The occurrence of lung ultrasound abnormalities in patients without lung disease remains uncertain, while patients with respiratory disease often exhibit such abnormalities. Objectives: The primary aim was to identify pathological ultrasonographic pulmonary findings and their correlation with baseline diseases and static lung compliance in patients without any pre-existing respiratory conditions. Methods: This prospective observational study enrolled a series of surgical patients with no history of pulmonary pathology (n = 104). Baseline diseases and patients' physical status classification, based on the American Society of Anesthesiologists (ASA), were documented by reviewing medical records. Prior to surgery, a lung ultrasound was performed to assess pulmonary changes. During surgery with general anesthesia, static lung compliance was measured. The Spearman correlation coefficient was employed to determine the correlation between the two variables. Results: Twenty-four patients (23.07%) exhibited 1 - 2 B-lines in certain lung fields. Seven patients (6.7%) had an ultrasound B-line score > 0 (indicating ≥ 3 B-lines). Among these patients, the average number of lung fields with ≥ 3 B-lines was 3.71 ± 2.43. Patients with systemic diseases (ASA ≥ 2) displayed a higher number of B-lines compared to ASA I patients (P-value = 0.039). Pleural irregularities were found in 10 patients (9.6%), while atelectasis and pleural effusion were observed in five (4.8%) and four (3.8%) patients, respectively. The mean lung compliance value was 56.78 ± 15.33. No correlation was observed between the total score of the B-lines and lung compliance (Spearman's correlation: rho = -0.028, P-value = 0.812). Conclusions: Patients without pulmonary pathology may exhibit ultrasound pulmonary abnormalities, which tend to increase with higher ASA scores and do not appear to have a correlation with static lung compliance.
ABSTRACT
A phytoremediation process for lead (Pb) under laboratory conditions on contaminated soil from the Puchuncaví commune, Valparaíso Province, Chile, was carried out. It analyzed the phytoremediation potential of Sarcocornia neei (Lag.) M.A. Alonso and M.B. Crespo. The plants were propagated beforehand and extracted from the El Yali wetland, a RAMSAR 878 site in Valparaíso. Soil fertility and heavy metal concentration analyses of composite samples were conducted, complying with established protocols and standard methodology for chemical and metal analyses. These analyses were conducted in the Soil Analysis Laboratory of the Pontificia Universidad Católica de Valparaíso. The aim was to analyse not only the tissue of plants from both areas but also the soil to identify the changes in different conditions in which the plants live. To determine the type of inferential analysis to be performed, a normality test was applied; however, it was deemed unsuitable, and therefore, the contrasts were developed using nonparametric tests, particularly Wilcoxon. R project software was used in the tests, especially the RCommander package, together with the Jamovi free-license statistical spreadsheet application. The analyses results of the soil samples indicated high concentrations of heavy metals, predominantly Pb at a concentration of 77.97 mg/kg, acidic soil indicated by pH between 5.77 and 6.38, low levels of electrical conductivity, and the presence of organic matter. A phytoremediation efficiency of 99% on soil samples was achieved. Preliminary results were compared against international regulations on the concentration of metals in soil. The histological sections showed that individual plants probably adapted to their environmental conditions.
Subject(s)
Biodegradation, Environmental , Chenopodiaceae/metabolism , Lead/metabolism , Soil Pollutants/toxicity , Chile , Humans , Lead/chemistry , Lead/toxicity , Metals, Heavy/chemistry , Metals, Heavy/metabolism , Metals, Heavy/toxicity , Soil Pollutants/metabolismABSTRACT
La presente investigación correspondiente a principales características de los pacientes con fiebre reumática, se realizó en el Centro de Calificación de Enfermedades Cardiovasculares debido a los subregistros existentes en la institució0 donde el grupo inició sus práctivcas, La institución mencionada tiene un programa bastante definido en el que abarca el control y tratamiento de pacientes con Argina Extreptocícica, fiebre reumática e hipertensión arterial sin embargo en sus historias clínicas no constan datos relacionados con características socioeconomicas de los usuarios por lo que se propuso el tema mencionado anteriormente, En la realización de la investigación intervinieron profesionales de éste centro y también a la División Nacional de Epidemiología quienes con su colaboración nos permitieron diseñar en forma completa el Marco de Refertencia. Nuestro estudio se centro en 152 pacientes diagnosticados con fiebre reumática en los mismos que identificamos catracterísticas socioeconómicas, de salud así como las complicaciones en los años correspondientes de 1977 a 1979. Constituyendo una expoeriancia muy agradable, a la vez muy interesante encontrar en su gran mayoría a niños convertidos en adultos quienes mediante visitas domiciliarias recormamos tiempos anteriores...
