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OBJECTIVE: We evaluated and compared the efficacy of the World Health Organization (WHO) oral rehydration solution (ORS) and 2 different formulations of reduced osmolarity ORSs in infants with persistent diarrhea. STUDY DESIGN: Infants with persistent diarrhea (n = 95) were randomized to 1 of the 3 ORSs: WHO-ORS (control, n = 32), a glucose-based reduced osmolarity ORS (RORS-G, n = 30), or a rice-based reduced osmolarity ORS (RORS-R, n = 31) for replacement of ongoing stool losses for up to 7 days. Major outcome measures were stool volume and frequency, ORS intake, and resolution of diarrhea. RESULTS: Although there were variations from one study day to another, the stool volume was approximately 40% less in the reduced osmolarity ORS groups; consequently, these children required less ORS (22% for RORS-G and 27% for RORS-R groups). A higher proportion of children in the RORS-R groups also had resolution of diarrhea during the study period. No children in any of the treatment groups had hyponatremia. CONCLUSION: Reduced osmolarity ORS is clinically more effective than WHO-ORS and may thus be advantageous for use in the treatment of children with persistent diarrhea.

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Se adiestró a consejeras en materia de lactancia materna para que dieran asesoramiento a las madres de lactantes parcialmente amamantados y hospitalizados por diarrea, con el fin de lograr que las madres iniciaran la lactancia materna exclusiva durante su permanencia en el hospital. Se asignó de forma aleatoria a lactantes (n = 250) de 12 meses de edad o menos a un grupo de intervención y a un grupo testigo. Las madres del grupo de intervención fueron asesoradas individualmente por las consejeras, mientras que las madres del grupo testigo recibieron solo la educación sanitaria impartida en grupo rutinariamente. Durante el seguimiento que hicieron las consejeras en el hogar una semana más tarde, solo las madres del grupo de intervención fueron asesoradas. A las 2 semanas de su egreso, todas las madres fueron evaluadas en términos de sus prácticas de amamantamiento en el hogar. En cuanto a los 125 pares de madres e hijos que había en cada grupo, 60% de las madres del grupo de intervención alimentaban a sus hijos al pecho exclusivamente en el momento del egreso, en comparación con solo 6% de las madres del grupo testigo (P < 0,001); 2 semanas más tarde, estos porcentajes subieron a 75 y 8 en el grupo de intervención y en el grupo testigo, respectivamente (P < 0,001). Sin embargo, 49% de las madres del grupo testigo volvieron a alimentar a sus hijos con biberón, en comparación con 12% de las madres del grupo de intervención (P < 0,001). Por consiguiente, la orientación individual tuvo un efecto favorable en las madres, ya que hizo que iniciaran la lactancia materna exclusiva durante la hospitalización y que la siguieran practicando en el hogar. Los centros de salud maternoinfantil deben incluir la orientación sobre lactancia materna como parte integral de sus programas para mejorar las prácticas de alimentación de los lactantes.

Lactation counsellors were trained to advise mothers of partially breast-fed infants who were admitted to hospital because of diarrhoea, so that they could start exclusive breast-feeding during their hospital stay. Infants (n = 250) up to 12 weeks of age were randomized to intervention and control groups. Mothers in the intervention group were individually advised by the counsellors while mothers in the control group received only routine group health education. During follow-up at home by the counsellors a week later, only the mothers in the intervention group were counselled. All the mothers were evaluated for infant feeding practices at home two weeks after discharge. Among the 125 mother­infant pairs in each group, 60% of mothers in the intervention group were breast-feeding exclusively at discharge compared with only 6% in the control group (P < 0.001); two weeks later, these rates rose to 75% and 8% in the intervention and control groups, respectively (P < 0.001). However, 49% of mothers in the control group reverted back to bottle-feeding compared with 12% in the intervention group (P < 0.001). Thus, individual counselling had a positive impact on mothers to start exclusive breast-feeding during hospitalization and to continue the practice at home. Maternal and child health facilities should include lactation counselling as an integral part of their programmes to improve infant feeding practices.

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Body composition was measured with bioelectrical impedance in 35 malnourished children aged 24-59 mo to investigate the effect of a 3-wk feeding supplementation. Twenty children received a high-protein diet with 15% of total energy as protein, whereas 15 children received an isoenergetic standard-protein diet with 7.5% of energy as protein. Bioelectrical impedance analysis and anthropometry were done before and after 21 d of dietary supplementation. The children fed the high-protein diet gained significantly more body weight than those receiving the standard-protein diet (1.33 +/- 0.54 vs 0.88 +/- 0.47 kg, P < 0.02). The total body water and fat-free mass determined by bioelectrical impedance analysis showed that the group fed the high-protein diet increased significantly more (0.92 vs 0.58 kg) than those on the standard-protein diet (P < 0.02). Results of this study suggest that feeding a high-protein diet accelerates catch-up growth and restores the reference body composition in children recovering from malnutrition.

PIP: It is recommended that 25-30% more energy and twice the amount of dietary protein required for healthy children be given to children during the period of convalescence following diarrheal disease to achieve rapid catch-up growth. The authors test in this study whether rapid weight gain and repletion of reference body composition occur with a high-protein-based refeeding diet. Body composition was measured with bioelectrical impedance in 35 malnourished children aged 24-59 months for a period of 21 days. During that period, 20 subjects were fed a high-protein diet consisting of 15% total energy as protein, while 15 received an isoenergetic standard-protein diet of 7.5% protein energy. Impedance analysis and anthropometry were performed before and after the three-week feeding supplementation. Children fed the high-protein diet gained significantly more body weight, total body water, and fat-free mass. The results suggest that being fed a high-protein diet accelerates catch-up growth and restores the reference body composition in children recovering from malnutrition.

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It was hypothesized that a mixture of glucose and amino acids enhances sodium and water absorption and therefore diminishes the volume of oral rehydration solution, stool output, and duration of diarrhea. To investigate this hypothesis, the efficacies of two oral rehydration solutions (ORS) were compared, one containing (mmol/L): Na+ 90, K+ 20, Cl- 80, citrate 10, glucose 67, glycine 53, and glycylglycine 30, yielding an osmolality of 350 mosmol/kg H2O, and the other, the standard ORS recommended by the World Health Organization, containing the same electrolyte concentrations and only glucose 110 mmol/L, yielding 310 mosmol/kg H2O. The study group comprised 31 infants and small children for group A (receiving solution A, the glucose/glycine/glycylglycine-based ORS) and 31 patients for group B (receiving solution B, the standard WHO/ORS). There were no significant differences between the groups in age, fluid loss, or dehydration, or between the groups with respect to clinical outcome, mean time to achieve rehydration, mean percent body weight gain, and serum electrolyte composition. The only statistically significant difference was the mean time between admission and the last diarrheic stool. The glycylglycine/glycine/glucose electrolyte solution was found to be suitable for rehydration, but not to have an advantage over the standard WHO/ORS.

PIP: A study was carried out on 62 male infant children, aged 3-24 months in San Jose, Puerto Rico. The purpose of the study was to discover if a mixture of glucose and amino acids enhances sodium and water absorption, thereby diminishing the volume of oral rehydration solution, stool output and duration of diarrhea. To investigate this hypothesis, the efficacies of two oral rehydration solutions (ORT) were compared: the ORT recommended by WHO (mmol/L) Na + 90, K + 20, C1- 80 Citrate 10, Glucose 110, yielding an osmolality of 310 (mosmol/kg H20) and one containing (mmol/L): Na+ 90, K+ 20, C1-80, Citrate 10, Glucose 67, Glycine 53, Glycylglycine 30, and yielding an osmolality of 350 (mosmol/kg H2)). Results are as follows: the infants were divided into two groups - A and B - with each consisting of 31 males per group; group A received the glycine based solution while group B received the WHO/ORS. There was no significant difference in: the mean age of the patients, mean time and mean number of vomiting, duration of diarrhea, number of stool motions, and duration of fever before admission between the two groups. The glycylglycine/glycine/ glucose electrolyte solution was found to be suitable for rehydration, but is not superior to the standard WHO/ORS. The glycine solution resulted in shortening the duration of diarrheal illness, but failed to decrease the ingested amount of ORS as well as the stool output volume.

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