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1.
Bol. méd. Hosp. Infant. Méx ; 71(4): 211-217, jul.-ago. 2014. ilus, tab
Article in Spanish | LILACS | ID: lil-747759

ABSTRACT

Introducción: La indicación del aporte por fórmula al recién nacido puede ser a libre demanda (LD) o por capacidad gástrica calculada (CGC). El objetivo de este trabajo fue determinar si la técnica de alimentación (LD vs. CGC) influye en el volumen ingerido, la tolerancia a la fórmula y el riesgo de hipoglucemia. Métodos: Se diseñó un ensayo clínico abierto no aleatorizado en neonatos a término, sanos, vigilados durante 24 h. Se determinó el volumen total ingerido (ml/kg), la tolerancia oral (vómitos-regurgitaciones, perímetro abdominal), la repercusión en el peso y datos de hipoglucemia. Resultados: Se analizaron en total 154 neonatos (CGC = 90 y LD = 64). Los neonatos en LD consumieron una mayor cantidad de fórmula (8 ml/kg; IC 95% 5-11) con mayor variación entre toma. No hubo diferencias en el porcentaje de pérdida ponderal (2.1% vs. 2%, p = 0.80). Los neonatos en LD mostraron más vómito (17.2% vs. 6.7%, p = 0.02) y mayor distención abdominal (43.8% vs. 22.2%, p = 0.007). Solo un neonato del grupo CGC mostró hipoglucemia (p = 1). Conclusiones: La alimentación por CGC permite una ingesta constante con menor riesgo de intolerancia, sin aumentar la posibilidad de hipoglucemia o pérdida de peso.


Background: Newborn formula feeding can be given ad libitum (AL) or as calculated gastric capacity (CGC). The objective of the study was to determine if the technique used to offer the newborn formula (AL vs. CGC) modifies volume intake, tolerance and risk for hypoglycemia. Methods: The study design was an open, nonrandomized clinical trial. Patients were healthy term newborns. All newborns were followed for 24 h. We determined the total volume ingested (ml/kg), oral tolerance (vomiting, regurgitation, abdominal circumference), impact on weight and hypoglycemic events. Results: One hundred fifty four infants were included (CGC = 90 and AL = 64). The AL group consumed slightly more formula (8 ml/kg, 95% CI 5-11) with greater variation between intakes. There was no difference in the percentage of weight loss (2.1% vs. 2%, P = 0.78). AL group also showed more vomiting (17.2% vs. 6.7%, P = 0.02) and increased abdominal distension (43.8% vs. 22.2%, P = 0.007). Only one newborn in the CGC group had hypoglycemia (P = 1.00). Conclusions: CGC feedings allows constant intake with less risk for intolerance without increasing the possibility of hypoglycemia or weight loss.

2.
Ciênc. rural ; 41(12): 2164-2170, Dec. 2011. tab
Article in Portuguese | LILACS | ID: lil-608069

ABSTRACT

Foi realizado um experimento para avaliar a digestibilidade aparente de dietas e o metabolismo de suínos alimentados com dietas contendo bentonita sódica submetidos a diferentes programas alimentares. Foram utilizados 24 suínos machos castrados, meio irmãos paternos, com peso vivo médio inicial de 42,2kg, alojados em gaiolas metabólicas. O delineamento experimental foi o inteiramente casualizado com três níveis de bentonita sódica (0,0; 0,3 e 0,5 por cento) e dois programas alimentares (restrito e à vontade), com oito repetições cada. A adição de bentonita sódica não alterou (P>0,05) o consumo de ração e os balanços da energia e do nitrogênio. O consumo de ração diferiu (P<0,01) entre a alimentação restrita e à vontade (1,17 vs. 2,19kg d-1). O programa alimentar alterou (P<0,05) o balanço do N, mas não afetou (P>0,05) a retenção de N pelos animais. A alimentação à vontade alterou (P<0,05) o balanço da energia, sobretudo a energia retida (3.825 vs. 3.013kcal d-1). A adição de 0,5 por cento de bentonita sódica nas dietas reduziu em 9 por cento (P<0,01) a excreção fecal de fósforo. A adição de bentonita sódica nas dietas de suínos não altera os balanços da energia e do N nem as digestibilidades aparentes do Ca, Mg, Zn, Cu e Mn. A adição de bentonita sódica reduz a excreção fecal de fósforo. Não há interação entre o programa alimentar e a adição de bentonita sódica nas dietas.


An experiment was carried out to evaluate the digestibility of diets and metabolism of pigs fed diets containing sodium bentonite subjected to different feeding programs. Twenty-four barrows were used, littermates, 42.2kg initial live weight, housed in metabolic cages. Experimental design was completely randomized with three sodium bentonite levels (0.0; 0.3 and 0.5 percent) and two feeding programs (restricted and ad libitum), with eight replications each. Addition of sodium bentonite didn't affect (P>0.05) the feed intake, the energy and N balance. The feed intake differ (P<0.01) between restricted and ad libitum feeding (1.17 vs. 2.19kg d-1). The feeding program alter (P<0.05) the N balance, but don't affected (P>0.05) the N retention in pigs. Ad libitum feeding alter (P<0.05) the energy balance, mainly the retained energy (3,825 vs. 3,013kcal d-1). Addition of 0.5 percent of sodium bentonite in diets reduced in 9 percent (P<0.01) the fecal phosphorus excretion. Sodium bentonite in diets doesn't alter the energy and N balance neither apparent digestibility of Ca, Mg, Zn, Cu and Mn. Sodium bentonite in diets reduce the fecal phosphorus excretion. There is no interaction between the feeding program and the addition of sodium bentonite in diets.

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