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1.
Gac. méd. Méx ; 144(6): 497-502, nov.-dic. 2008. tab, graf
Article in Spanish | LILACS | ID: lil-567771

ABSTRACT

Introducción: Existen estudios controvertidos sobre la prevención de la enfermedad de Alzheimer y el uso de antiinflamatorios no esteroideos. El objetivo fue evaluar el efecto del ibuprofeno y ácido acetilsalicílico sobre el deterioro cognitivo, poder antioxidante total (PAT) e isoprostanos (8-iso-PGF2á) séricos. Material y métodos: Entre abril de 2004 y febrero de 2006, a 18 mujeres mayores de 55 años de edad se les realizó escrutinio con la Prueba Mínima del Estado Mental de Folstein (MMSE); Prueba Corta para la Evaluación de la Memoria y la Atención, Syndrome Kurtz Test (SKT) y Escala de Depresión Geriátrica de Yasevage. Fueron asignadas aleatoriamente para recibir 400 mg/día de ibuprofeno (n=9) o 500 mg/día de ácido acetilsalicílico (n=9) durante un año. En la visita basal, seis meses y al año se determinó PAT y 8-iso-PGF2á séricos. Resultados: A un año de intervención, en cinco mujeres (55.6%) el MMSE aumentó cuatro puntos con ácido acetilsalicílico comparado con tres (33.3%) de ibuprofeno (p=0.028). El PAT aumentó (p=0.01) y disminuyeron los 8-iso-PGF2á (p=0.01) en ambos grupos en comparación con los valores basales. Conclusiones: Ambos medicamentos mejoraron el estado cognitivo y el perfil oxidativo en la población estudiada.


INTRODUCTION: There are controversial studies on the prevention of Alzheimer's disease with nonsteroidal antiinflammatory drugs (NSAIDs). The objective of this study was to evaluate the effect of ibuprofen and acetylsalicylic acid on cognitive impairment, serum total antioxidant power (TAP) and isoprostane (8-iso-PGF2alpha). METHODS: From April 2004 to February 2006, a Folstein mini-mental state (MMSE), Syndrome Kurtz Test (SKT) and a geriatric depression scale (Yasevage) were applied to eighteen, 55-56 years old eligible women. All women (n= 18) with normal cognitive state were randomized to ibuprofen 400 mg per day (n= 9) and acetylsalicylic acid 500 mg per day (n= 9) for one year. Serum TAP and 8-iso-PGF2alpha were performed at baseline, after six months and one year of treatment. RESULTS: After one year of treatment with acetylsalicylic acid five women (55.6%) raised their score 4 points in MMSE compared with 3 points increased (33.3%) showed by the ibuprofen group. TAP increased (p=0.01) and 8-iso-PGF2alpha reduced (p=0.01) in both groups compared with baseline. CONCLUSIONS: Both drugs improved the cognitive state andoxidative status of our population.


Subject(s)
Humans , Female , Middle Aged , Anti-Inflammatory Agents, Non-Steroidal , Antioxidants/pharmacology , Aspirin/pharmacology , Cognition/drug effects , Ibuprofen/pharmacology , Isoprostanes/blood , Single-Blind Method , Cognition Disorders/prevention & control
2.
São Paulo; s.n; 2007. [109] p. ilus, ilus, tab.
Thesis in Portuguese | LILACS | ID: lil-483825

ABSTRACT

A poluição do ar está associada ao aumento da morbimortalidade pulmonar e cardiovascular. O objetivo desse estudo foi o de avaliar e comparar a resposta inflamatória à exposição a três diferentes tipos de particulado total em suspensão (fonte automativa, industrial e da queimada da cana de açúcar), às baixas concentrações e de forma aguda; comparando-as ao grupo controle (black carbon). Os resultados mostraram uma maior inflamação pulmonar induzida pela fonte automotiva, uma maior oxidação cardíaca induzida pela biomassa de queima de cana de açúcar, e uma mais intensa alteração na contagem de células sanguíneas nas partículas industriais. Concluímos que o aerossol ambiente pode induzir inflamação subclínica a baixas concentrações, e que a composição do particulado afetou a magnitude e o tipo de resposta.


Air pollution is associated with increased pulmonary and cardiovascular morbidity and mortality. The objective of this study is to assess and to compare inflammatory responses of acute exposures to total suspended particles generated from three different sources (automotive, burning cane sugar and industrial) at lower concentrations, comparing to the control group (carbon black). The results showed a great pulmonary inflammation induced by automotive source, a strong cardiac oxidation induced by sugar cane burning source, and an intense alteration in the blood cells count induced by the industrial source. We concluded that the environmental aerosol can induce sub clinic inflammation at lower concentrations and that the composition of total suspended particles affects magnitude and kind of responses.


Subject(s)
Rats , Air Pollution , Nitric Oxide , Rats, Wistar , Factor VIII , Heart , Isoprostanes , Lung , Oxidative Stress
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