30 research outputs found
Effects of an aerobic physical training program on psychosocial characteristics, quality-of-life, symptoms and exhaled nitric oxide in individuals with moderate or severe persistent asthma
OBJETIVO: Avaliar o papel de um programa de condicionamento fÃsico aeróbio nos aspectos psicossociais, qualidade de vida, sintomas e óxido nÃtrico exalado (NOe) de adultos com asma persistente moderada ou grave. MATERIAIS E MÉTODOS: Vinte pacientes foram divididos aleatoriamente em Grupo Controle (GC, n= 10; programa de educação e exercÃcios respiratórios) e Grupo Treinado (GT, n= 10; programa de educação e exercÃcios respiratórios mais condicionamento aeróbio, 70% potência máxima obtida). A intervenção aconteceu duas vezes por semana durante três meses. Antes e após, foram avaliados a capacidade aeróbia máxima, a função pulmonar, a dispnéia ao esforço, os nÃveis de ansiedade e depressão e a qualidade de vida. Mensalmente, eram avaliados o NOe em repouso e o número de dias livres de sintomas. RESULTADOS: Apenas o GT apresentou redução dos sintomas (GT 24,8 [IC95%= 23-27] versus GC 15,7 [IC95%= 9-21] dias livres de sintomas, p< 0,05), dos nÃveis de NOe (GT 25,8 [IC95%= 15,3-44] versus GC 44,3 [IC95%= 24-60] ppb, p< 0,05), da ansiedade (GT 39,3 [IC95%= 37-50] versus GC 40,9 [IC95%= 37-50] escore, p< 0,001) e da depressão (GT 6,6 [IC95%= 1-21] versus GC 9 [IC95%= 1-20] escore, p< 0,001), melhora da qualidade de vida (GT 42,8 [IC95%= 34,3-71,7] versus GC 69,7 [IC95%= 45,1-87,9] %, p< 0,001), e incremento da aptidão aeróbia (GT 25,7 [IC95%= 16,2-31,3] versus GC 20,5 [IC95%= 17,3-24,1] mL/kg/min, p< 0,001). CONCLUSÕES: Os resultados sugerem que o treinamento fÃsico reduz o NOe, os sintomas e melhora a qualidade de vida e os aspectos psicossociais de adultos com asma persistente moderada ou grave.OBJECTIVE: To evaluate the role of an aerobic physical training program on psychosocial characteristics, quality of life, symptoms and exhaled nitric oxide of adults with moderate or severe persistent asthma. METHODS: Twenty patients were randomly assigned to a Control Group (CG, n= 10, education program and respiratory exercises) and a Trained Group (TG, n= 10, education program and respiratory exercises plus aerobic training at 70% of the maximum power obtained). The intervention took place twice a week for three months. Maximum aerobic capacity, pulmonary function, effort dyspnea, anxiety levels, depression levels and quality of life were assessed before and after the treatment. Exhaled nitric oxide at rest and the number of days without asthma symptoms were evaluated every month. RESULTS: The TG presented increased numbers of symptom-free days (TG 24.8 days [95%CI= 23-27] versus CG 15.7 days [95%CI= 9-21]; p< 0.05), decreased exhaled nitric oxide levels (TG 25.8 ppb [95%CI= 15.3-44.0] versus CG 44.3 ppb [95%CI= 24-60]; p< 0.05), decreased anxiety scores (TG 39.3 [95%CI= 37-50] versus CG 40.9 [95%CI= 37-50]; p< 0.001), decreased depression scores (TG 6.6 [95%CI= 1-21] versus CG 9 [95%CI= 1-20]; p< 0.001), improved quality of life (TG 42.8% [95%CI= 34.3-71.7] versus CG 69.6% [95%CI= 45.1-87.9]; p< 0.001) and improved aerobic aptitude (TG 25.7 mL/kg/min [95%CI= 6.2-31.3] versus CG 20.5 mL/kg/min [95%CI= 17.3-24.1]; p< 0.001). CONCLUSIONS: Our results suggest that physical training reduces exhaled nitric oxide and symptoms and improves the quality of life and psychosocial characteristics of adults with moderate or severe persistent asthma.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Pesquisa (CNPq
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EFFECT OF THE CHEMICAL TREATMENT ON THE MECHANICAL PROPERTIES, WATER VAPOR PERMEABILITY AND SORPTION ISOTHERMS OF GELATIN-BASED FILMS
Proteins contain hydrophilic groups which can bind to the water molecule through hydrogen bridges resulting in water adsorption. The increase of the cross-linking degree can be an alternative to improve the cohesiveness force and functional properties of protein based films. Thus, the objective of this work was to evaluate the effect of chemical treatment of gelatin with formaldehyde and glyoxal on the mechanical properties, water vapor permeability and water vapor sorption characteristics of gelatin based films. Films were produced using gelatin, with and without chemical treatment. The chemical treatments caused a reduction on the water vapor permeability, however, only the formaldehyde allowed a significant increase on the tensile strength. The GAB and Halsey models could be used to model the sorption isotherms of films. It was observed that the increase of the temperature produced a decrease in water sorption and the chemical modifications caused a slight reduction on the monolayer moisture content.19SI22122