Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 3 de 3
Filtrar
Mais filtros










Base de dados
Intervalo de ano de publicação
1.
PLoS One ; 6(9): e24853, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21969863

RESUMO

The success of combination antiretroviral therapies for the treatment of human immunodeficiency virus (HIV) has resulted in prolonged life expectancy (over 40 years from diagnosis) and an improved quality of life for people living with HIV. The risk of vertical HIV transmission during pregnancy has been reduced to less than 1%. As a result of these breakthroughs and as many of these individuals are of reproductive age, fertility issues are becoming increasingly important for this population. One population in which conception planning and reduction of horizontal HIV transmission warrants further research is HIV-discordant couples where the male partner is HIV-positive and the female partner is HIV-negative. Sperm washing is a technique carried out in a fertility clinic that separates HIV from the seminal fluid. Although sperm washing followed by intrauterine insemination significantly reduces the risk of horizontal HIV transmission, there has been limited access to the procedure in North America. Furthermore, little is known about the conception decision-making experiences of HIV-discordant couples who might benefit from sperm washing. Chart reviews and semi-structured interviews were completed with 12 HIV-discordant couples in Ontario, Canada. Couples were recruited through HIV clinics and one fertility clinic that offered sperm washing. Participants identified a number of factors that affected their decision-making around pregnancy planning. Access to sperm washing and other fertility services was an issue (cost, travel and few clinics). Participants identified a lack of information on the procedure (availability, safety). Sources of support (social networks, healthcare providers) were unevenly distributed, especially among those who did not disclose their HIV status to friends and family. Finally, the stigmatisation of HIV continues to have a negative affect on HIV-discordant couples and their intentions to conceive. Access to sperm washing and fertility service is significantly limited for this population and is accompanied with a number of challenges.


Assuntos
Infecções por HIV/transmissão , Adulto , Atitude Frente a Saúde , Tomada de Decisões , Feminino , Infecções por HIV/etnologia , Soropositividade para HIV/etnologia , Soropositividade para HIV/transmissão , Acessibilidade aos Serviços de Saúde , Humanos , Infertilidade/terapia , Inseminação Artificial/métodos , Masculino , Motivação , Ontário , Gravidez , Técnicas de Reprodução Assistida , Apoio Social , Estresse Psicológico
2.
Open AIDS J ; 5: 37-43, 2011.
Artigo em Inglês | MEDLINE | ID: mdl-21629505

RESUMO

This article examines the challenges and successes of recruiting participants and maintaining momentum in a small qualitative study on the experiences of HIV-discordant couples (where the male is HIV-positive and the female is HIV-negative) undergoing fertility assessment and/or treatment in Ontario, Canada, to reduce the risk of HIV transmission to the woman and fetus. The purpose of this article is to identify barriers and successes encountered in our study, consider how these are addressed in the literature, and highlight specific factors that need to be considered when studying a unique population similar to ours.

3.
J Nutr ; 134(11): 3011-5, 2004 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-15514267

RESUMO

The objective of these 4 studies was to describe the effects of protein source, time of consumption, quantity, and composition of protein preloads on food intake in young men. Young men were fed isolates of whey, soy protein, or egg albumen in sweet and flavored beverages (400 mL) and provided a pizza meal 1-2 h later. Compared with the water control, preloads (45-50 g) of whey and soy protein, but not egg albumen, suppressed food intake at a pizza meal consumed 1 h later. Meal energy intake after egg albumen and soy, but not after control or whey treatments, was greater when the treatments were given in the late morning (1100 h) compared with earlier (0830-0910 h). Suppression of food intake after whey protein, consumed as either the intact protein or as peptides, extended to 2 h. Altering the composition of the soy preload (50 g) by reducing the soy protein content to 25 g and by adding 25 g of either glucose or amylose led to a loss in suppression of food intake by the preload. Egg albumen, in contrast to whey and soy preloads, increased cumulative energy intake (sum of the energy content of the preload plus that in the test meal) relative to the control. We conclude that protein source, time of consumption, quantity, and composition are all factors determining the effect of protein preloads on short-term food intake in young men.


Assuntos
Proteínas Alimentares/administração & dosagem , Ingestão de Alimentos/fisiologia , Adolescente , Adulto , Amilose/administração & dosagem , Bebidas , Glicemia/análise , Carboidratos da Dieta/administração & dosagem , Sacarose Alimentar/administração & dosagem , Ingestão de Energia , Glucose/administração & dosagem , Humanos , Masculino , Proteínas do Leite/administração & dosagem , Ovalbumina/administração & dosagem , Proteínas de Soja/administração & dosagem , Fatores de Tempo , Proteínas do Soro do Leite
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...