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1.
Comun. ciênc. saúde ; 23(2): 111-125, abr.-jun. 2012. tab, ilus
Article in Portuguese | LILACS | ID: lil-755269

ABSTRACT

Introdução: a maioria dos distúrbios metabólicos presentes na Doença Renal Crônica (DRC) resulta, principalmente, do acúmulo de produtos do metabolismo do nitrogênio presentes nos alimentos ricos em proteínas. A dietoterapia tem um papel importante no tratamento da DRC, consistindo, principalmente, naadequação da oferta diária de proteínas.Objetivo: discutir a resposta inflamatória e terapia nutricional empregada no tratamento conservador e as vantagens do emprego de dieta normoproteica à base de soja.Métodos: realizada revisão da literatura por meio de busca de artigos científicos indexados em bases de dados online, publicados preferencialmente nos últimos dez anos, além de livros técnicos e outras formas de publicações.Resultados: as complicações metabólicas estabelecem consequênciasimportantes na DRC e podem comprometer o estado nutricional do indivíduo. Ainda são poucas as referências ao uso de dieta normoproteica à base de soja, sendo destacados apenas alguns benefícios em curto prazo, com pouca ênfase às metodologias usadas para a terapia nutricional.Considerações Finais: a evolução do tratamento depende de sua qualidade e das estratégias que serão adotadas durante sua implementação. A dietoterapia é importante no tratamento da DRC, consistindo, principalmente, na redução de oferta diária de proteínas. A presença da inflamação influencia negativamente o estado nutricional e a evolução da função renal do indivíduo.Mais estudos com dieta à base de soja são necessários.


Introduction: Most metabolic disorders present in Chronic Kidney Disease (CKD) results mainly from the accumulation of products of nitrogen metabolism in foods rich in protein. The diet therapy plays an important role in the treatment of CKD, consisting mainly, on the matching of supply daily protein.Objective: discuss the inflammatory response and nutritional therapyused in the conservative treatment and the advantages of using a normalprotein diet based on soy.Methods: literature review was conducted by searching scientific articlesindexed in online databases, preferably published in the last ten years, and technical books and others publications.Results: Metabolic complications establish important consequences in CKD and may compromise the nutritional status of the individual.Although, there are few references to the use of a normal protein dietbased on soy, and posted just a few short-term benefits, with little emphasison the methodologies used for nutritional therapy.Final Remarks: The evolution of treatment depends on the quality and the strategies to be adopted during its implementation. The diet therapy plays an important role in the treatment of CRF, consisting mainly inthe reduction of daily supply of proteins. The presence of inflammation adversely affects the nutritional status of renal function and evolution of the individual. More studies with soy-based diet are needed.


Subject(s)
Humans , Diet Therapy , Kidney , Diet, Protein-Restricted , Diet , Inflammation , Soy Foods
2.
Int. j. morphol ; 26(1): 5-11, 2008. ilus, tab
Article in English | LILACS | ID: lil-558566

ABSTRACT

This paper aims to verify the effects of severe protein malnutrition over the intestinal ascending colon morphometrics in adult rats. 12 rats (90 days old) were divided into 2 groups: control (n = 5) and malnutritioned (n = 7). In the following 90 days, the rats of the control group received a 24 percent protein chow as the malnourished group received 4 percent protein chow. The animals were submitted to euthanasia according to the anesthetic protocol. Colon segments were collected and submitted to routine histological processing. The cuts were stained with HE and histochemical techniques for mucines. The morphometric analyses showed the sustenance of the whole wall and muscle tunic thickness, as well as the reduction of the thickness of the mucosa tunic, the amount of goblet cells, the depth of the crypt and the height of the enterocytes as well as their nucleus on malnutritioned animals. The data suggest that protein malnutrition causes alterations on adult rat ascending colon intestinal morphometrics, especially in tissues which present a high level of cell turnover such as the mucosa tunic and consequently their structures such as the enterocytes, goblet cells, and crypts


El objetivo de este trabajo fue verificar los efectos de la desnutrición proteica severa sobre la morfometría de la pared intestinal del colon ascendente de ratas adultas. Fueron utilizadas 12 ratas (90 días de edad), divididas en dos grupos: control (n=5) y desnutrido (n=7). En los 90 días siguientes, las ratas del grupo control recibieron ración con 24 por ciento de contenido proteico y los del grupo desnutrido con 4 por ciento. Los animales fueron eutanasiados de acuerdo al protocolo anestésico. Segmentos del colon fueron retirados y sometidos a procesamiento histológico de rutina. Los cortes fueron teñidos con HE y técnicas histoquímicas para mucinas. El análisis morfométrico mostró la mantención de la pared total y del grosor de la túnica muscular, y reducción en el espesor de la túnica mucosa, en el número de células caliciformes, en la profundidad de las criptas y en la altura de los enterocitos y de sus núcleos, en los animales desnutridos. Los datos obtenidos sugieren que la desnutrición proteica provoca alteraciones en la morfometría intestinal del colon ascendente de ratas adultas, principalmente en tejidos de alto índice de renovación celular como la mucosa y, consecuentemente, de sus estructuras como los enterocitos, células caliciformes y criptas


Subject(s)
Animals , Rats , Colon, Ascending/pathology , Protein Deficiency/pathology , Intestines/pathology , Rats, Wistar
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