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West Indian med. j ; 61(3): 284-289, June 2012. tab
Article in English | LILACS | ID: lil-672901

ABSTRACT

OBJECTIVES: The main objective of the study is to assess the nutritional status in patients on chronic haemodialysis in Jamaica using the Subjective Global Assessment tool and to correlate this with measured serum nutritional biomarkers, and also to identify nutritional biomarkers that can be used to assess nutritional status of patients with end-stage renal disease (ESRD). SUBJECT AND METHODS: Two hundred and nine consecutive patients on haemodialysis were selected from dialysis centres in Kingston, the capital of Jamaica, St Catherine and Manchester, Jamaica. The nutritional status of each participant was assessed using the Subjective Global Assessment tool in an interview performed by the researcher. Serum albumin, blood urea nitrogen and creatinine, highly sensitive complement reactive protein (hsCRP) and total fasting cholesterol were determined from a single serum sample. Only patients with ESRD were selected. Patients with acute renal failure or those with ESRD who were admitted in the previous two weeks were excluded from the study. Informed consent was obtained prior to interview and obtaining blood samples. RESULTS: Of the total participants, 54.5% (n = 114) were male and 45.5% (n = 95) female. The mean age for males was 51.9 years and females 47.6 years. Diabetes was documented as the most common cause of chronic renal disease and was found in 29.7%, hypertension in 24.4% and chronic glomerulonephritis in 22% of the participants. Approximately 80% of the study population had moderate malnutrition. There was a significant association between moderate malnutrition and a diagnosis of ESRD secondary to diabetes mellitus, p = 0.03. Being on haemodialysis for < six months was significantly associated with moderate malnutrition p = 0.002. Also associated with moderate malnutrition were presence of an arteriovenous (AV) fistula (p = 0.01), serum albumin of < 40 g/L (OR 3.68, p = 0.001), pre-dialysis creatinine of < 880 jumol/L (p = 0.02) and cholesterol < 3.9 mmol/L (p = 0.04). Highly sensitive complement reactive protein levels of >10 mg/L was associated with moderate malnutrition, though statistical signifance was not met (p = 0.39). CONCLUSION: Factors associated with malnutrition in patients on dialysis were having ESRD secondary to diabetes mellitus, dialysis duration for < six months, low serum albumin, pre-dialysis serum creatinine of 880 umol/L, low total cholesterol and presence of AV fistula access.


OBJETIVOS: El objetivo principal del estudio es, por una parte, evaluar el estado nutricional en pacientes en hemodiálisis crónica en Jamaica, usando como herramienta la Valoración Global Subjetiva (VGS), y por otra parte, poner en correlación los datos con la medición de los biomarcadores nutricionales séricos, identificando a la par los biomarcadores nutricionales que pueden usarse para evaluar el estado nutricional de pacientes con enfermedad renal en etapa terminal. SUJETOS Y MÉTODOS: Se seleccionaron doscientos nueve pacientes consecutivos en hemodiálisis de los centros de diálisis en Kingston, la capital de Jamaica. El estado nutricional de cada participante fue evaluado usando la Valoración Global Subjetiva como herramienta, en una entrevista realizada por el investigador. La albúmina en suero, el nitrógeno ureico y la creatinina en sangre, la proteína C-reactiva altamente sensible (hsCRP), y el colesterol total en ayunas, fueron determinados a partir de una sola muestra de suero. Sólo se escogieron pacientes con la enfermedad renal en etapa terminal (ERET). Los pacientes con insuficiencia renal aguda o aquellos con ERET ingresados en las dos semanas previas, fueron excluidos del estudio. Se obtuvo consentimiento informado antes de la entrevista y la toma de muestras de sangres. RESULTADOS: Del total de participantes, 54.5% (n = 114) fueron varones y 45.5% (n = 95) fueron hembras. La edadpromedio de los varones fue 51.9 anos y la de las hembras 47.6 anos. La diabetes se documentó como la causa más común de la enfermedad renal crónica, y se halló en 29.7%. Asimismo, se evidenció hipertensión en 24.4% y glomerulonefritis crónica en 22% de los participantes. Aproximadamente el 80% de la población en estudio presentaba desnutrición moderada. Hubo una asociación significativa entre la desnutrición moderada y un diagnóstico de ERET secundario de diabetes mellitus, p = 0.03. El hallarse en hemodiálisis por < seis meses estuvo significativamente ...


Subject(s)
Adult , Aged , Female , Humans , Male , Middle Aged , Kidney Failure, Chronic/therapy , Nutritional Status , Renal Dialysis , Biomarkers/blood , Jamaica , Kidney Failure, Chronic/blood , Malnutrition/diagnosis , Malnutrition/etiology
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