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Response to oral B-carotene supplementation in patients with cystic fibrosis: a 16-month follow-up study / BM Winklhofer Roob; MA Van't Hof; DH Shmerling.-- pp.1132-6.-- En: Acta Paediatrica: an International Journal of Paediatrics.-- 84 (1995)
VITAMINA A   FIBROSIS QUISTICA   NIÑO   LIPOPROTEINAS DEL COLESTEROL LDL
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0101
Tipo de Material:
Separata

    The aim of this study was to determine the efficacy of long-term oral B-carotene status in cystic fibrosis patients. Thirty-five patients (2.3-30.5 years of age) with coefficients of fat absorption of 46-96 (median 88) received B-carotene 0.5 mg/kg daily and were followed over a 16-month treatment period. Baseline plasma B-carotene concentrations in patients (mean +/- SD, 0.09 +/- 0.06 umol/l) were significantly lower than those of age-matched controls (0.86 +/- 0.56 umol/l) (p< 0.0001). Concentrations increased rapidly and reached a plateau at or before 3 weeks that was maintained throughout the study period. Values obtained at 3 weeks (0.89 +/- 0.64 umol/l) were significantly higher (p< 0.0001) than those at baseline and did not differ from controls. Plasma retinol and alpha-tocopherol concentrations increased during the observation period, but remained within normal ranges. Plasma retinyl palmitate, wich was below the detection limit in all but one patient at baseline, did not increase. Thus oral B-carotene supplemetation is effective and normalizes B-carotene status of cystic fibrosis patients without evidence of significant side effects.

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Serum vitamin A and E concentrations in pediatric total parenteral nutrition patients / SL Hack; RJ Merritt; RM Morgan; MT Keefe.-- pp.189-94.-- En: Journal of Parenteral and Enteral Nutrition.-- 14, 2 (1990)
NUTRICION PARENTERAL TOTAL   PACIENTES   VITAMINA A   VITAMINA E
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0221
Tipo de Material:
Separata

    There is uncertainly as to optimal doses of fat soluble vitamins required by pediatric total parenteral nutrition (TPN) patients. We compared serum vitamin A (A) and E (E) concentrations analyzed by HPLC in chronic (>2 weeks) TPN patients aged 1 months to 12 years to values obtained in outpatients of the same age. TPN patients received 1500 ug of retinol and 2.5 IU of E as alpha-tocopheryl acetate (2.5 ml LyphoMed Multi Vitamin Concetrate). These doses were 214 of the recommended dose of A and 36 for E. Oral intake was minimal in most patients. The results of our study revealed a men serum A level for TPN patients (N= 29) of 26.0 +/- 15.0 (SD) ug/dl vs 25.0 +/- 10.0 (SD) mg/dl in controls (N= 52). Mean serum E was 0.63 +/- 0.24 (SD) mg/dl vs 0.89 +/- 0.31 (SD) mg/dl for TPN patients and controls, respectively. There was no consistent trend related to duration of TPN for 23 patients with serial values. Seven (24) TPN patients had serum A> mean + 2 SD of control (P< 0.01). No values were < mean -2 SD. Infants on TPN had a significantly lower mean serum A (22.3 +/- 10.9 ug/dl) than TPN patients > 1 year of age (34.1 +/- 16.0 ug/dl; p< 0.001). Fifty-two percent of TPN patients vs 26 of control had serum A < 20 ug/dl (p> 0.1). For E, one patient had a high value and two patients low values relative to control. Forty-five percent of TPN patients had E < 0.5 mg/dl vs 12 of control (p< 0.005). An E dose closer to the AMA-NAG and ASCN recommendation (7 IU) may prevent marginal E deficiency in some patients. Although 24 of patients had relatively elevated A levels, a lower dose such as that recommended by the AMA-NAG and ASCN (700 ug) may lead to low levels in some patients.

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Hipovitaminosis A: epidemiología de un problema de salud pública y estrategias para su prevención y control / BA Underwood.-- pp.496-505.-- En: Boletín de la Oficina Sanitaria Panamericana.-- 117, 6 (1994)
VITAMINA A   DEFICIENCIA DE VITAMINA A   EPIDEMIOLOGIA   SALUD PUBLICA
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0342
Tipo de Material:
Separata

    La hipovitaminosis A tiene lugar cuando las reservas orgánicas de vitamina A disminuyen tanto que se producen consecuencias adversas para la salud, aunque no haya signos clínicos observables. Dichas situación existe en partes de América Latina y el Caribe. Las poblaciones donde existe hipovitaminosis pueden detectarse mediante un conjunto de indicadores biológicos y ecológicos. Por lo general viven en condiciones de pribvación económica, social y ecológica que hacen a los niños pequeños y las mujeres de edad reproductiva más vulnerables, particularmente durante los período de escasez estacional de alimentos y de máxima incidencia de la infección. (Continua...)

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Vitamin A-deficiency and child health and survival / R Martorell.-- pp.3-19.-- En: Food and Nutrition Bulletin.-- 11, 3 (1989)
VITAMINA A   DEFICIENCIA DE VITAMINA A   NIÑO   SALUD   ENFERMEDAD
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0388
Tipo de Material:
Separata

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Metabolism of carotenoid analogs in humans / S Zeng; HC Furr; JA Olson.-- pp.433-9.-- En: American Journal of Clinical Nutrition.-- 56 (1992)
METABOLISMO   VITAMINA A   DEFICIENCIA DE VITAMINA A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0432
Tipo de Material:
Separata

    Single oral doses (100 mumol) in peanut oil of 4,4'-dimethoxy-beta-carotene, ethyl beta-apo-8'-carotenoate, and beta-apo-8'-carotenal were administered to healthy adult male subjects (n = 4-6). Blood samples were taken frequently thereafter, and serum carotenoids and retinoids were analyzed by HPLC. The metabolism of the three analogs was very different; 4,4'-dimethoxy-beta-carotene was oxidized at the 4 and 4' positions but apparently not cleaved, whereas ethyl beta-apo-8'-carotenoate was not detectably metabolized, and beta-apo-8'-carotenal was extensively converted to its corresponding acid, alcohol, and fatty acyl ester and detectably converted to retinyl ester and possibly to two shorter beta-apocarotenals. Serum concentrations of endogenous retinoids and carotenoids, except as noted above, were not affected in any case. Kinetically, the maximum serum concentrations, areas under the curve, and mean sojourn times for the three analogs differed by 50-, 270-, and 5-fold, respectively. For any given analog, however, the fractional standard deviations for these parameters were only 0.2-0.5.

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McCollum award lecture, 1992: vitamin A absorption, transport, cellular uptake, and storage / KR Norum; R Blomhoff.-- pp.735-44.-- En: American Journal of Clinical Nutrition.-- 56 (1992)
VITAMINA A   DEFICIENCIA DE VITAMINA A   CELULAS   CONGRESOS
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0434
Tipo de Material:
Separata

    We discuss vitamin A with emphasis on its absorption, transport, cellular uptake, storage, and intracellular metabolism. Dietary retinyl esters are hydrolyzed to retinol in the intestinal lumen before absorption by enterocytes. Carotenoids are absorbed and then partially converted to retinol in the enterocytes. In enterocytes retinol is esterified before incorporation into chylomicrons together with triacylglycerols. Chylomicrons reach the general circulation by way of the intestinal lymph, and chylomicron remnants are formed in the blood capillaries. The remnants, which contain almost all the absorbed retinol, are cleared by the liver parenchymal cells, and to some extent also by cells in blood, bone marrow, adipose tissue, and spleen. The uptake is most probably mediated via surface receptors for low-density lipoproteins or a low-density lipoprotein-receptor-related protein. In the liver parenchymal cells the retinyl esters are rapidly hydrolyzed to retinol, which binds to retinol-binding protein. Normally, most of the absorbed retinol coming into the liver parenchymal cell is transferred on retinol-binding protein to stellate cells, which store retinol as retinyl esters in lipid droplets.-

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Xerophtalmia and growth in preschool Indonesian children / I Tarwotjo; J Katz; KP West; JM Tielsch; A Sommer.-- pp.1142-6.-- En: American Journal of Clinical Nutrition.-- 55 (1992)
XEROFTALMIA   VITAMINA A   DEFICIENCIA DE VITAMINA A   CRECIMIENTO   DESARROLLO INFANTIL   NIÑO
Categoría geográfica: INDONESIA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0440
Tipo de Material:
Separata

    Approximately 4000 preschool children in West Java, Indonesia, were examined for xerophthalmia and weighed and measured at 3-mo intervals from March 1977 to December 1978. Children recovering from xerophthalmia over a 3-mo interval gained an average of 124 g (95% CI 42-206) more over 3 mo than normal children. Their height gain was similar to normal children's. Children who developed xerophthalmia during a 3-mo period gained 199 g (95% CI 114-313) less and grew 0.28 cm (95% CI 0.12, 0.44) less than their normal peers. Children with chronic xerophthalmia gained 120 g (95% CI 49-191) less and grew 0.21 cm (95% CI 0.05-0.37) less than normal children. These data suggest that linear and ponderal growth is adversely affected by chronic and incident xerophthalmia, but that catch-up ponderal growth is experienced by children recovering from xerophthalmia.

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Beta-carotene accumulation in serum and skin / MR Prince; JK Frisoli.-- pp.175-81.-- En: American Journal of Clinical Nutrition.-- 57, 2 (1993)
VITAMINA A   DEFICIENCIA DE VITAMINA A   LIPIDOS   PIEL   ATEROSCLEROSIS   NUTRICION
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0453
Tipo de Material:
Separata

    The accumulation of beta-carotene in serum and skin was evaluated in human volunteers. A single 51-mg dose of beta-carotene given in the absence of dietary fat resulted in no detectable change in serum beta-carotene. The same dose administered with 200 g fat increased serum beta-carotene 2.5-fold at 40 h. Similarly, administering beta-carotene daily in three divided doses with meals raised the serum beta-carotene concentration three times as high compared with the same total dose administered once a day; both regimens had the same time constant for serum accumulation; 9-10 d. Remittance measurements of skin color demonstrated that the accumulation of beta-carotene in skin was delayed by up to 2 wk compared with serum accumulation. These data indicate that beta-carotene absorption requires dietary fat and is enhanced by administering with meals but there is a long time constant for serum (10 d) and tissue (several weeks) accumulation.

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Conjuctival impression cytology as an indicator of vitamin A status in lactating Indonesian women / RJ Stoltzfus; KW Millar; M Hakimi; et.al..-- pp.167-73.-- En: American Journal of Clinical Nutrition.-- 58, 2 (1993)
VITAMINA A   DEFICIENCIA DE VITAMINA A   MUJERES   LACTANCIA MATERNA   INFANTE   NUTRICION
Categoría geográfica: INDONESIA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0460
Tipo de Material:
Separata

    Conjunctival impression cytology (CIC) has been used to assess the vitamin A status of children but not women. We used CIC in a randomized controlled trial of high-dose vitamin A supplementation in Indonesian women. We report its association with biochemical indicators and evaluate its usefulness for several assessment functions, using two definitions for abnormal CIC. Serum retinol concentrations of all women and milk vitamin A concentrations of unsupplemented women decreased with worsening CIC category. CIC indicated risk of low milk vitamin A and low infant serum retinol with low sensitivity and high specificity. CIC did not identify women who benefited from supplementation. The usefulness of CIC to measure response to supplementation was limited by the low prevalence of abnormal status in these women. CIC may be a useful indicator of vitamin A deficiency in women or their breast-fed infants, or to measure response to supplementation, when a more sensitive cutoff point for abnormal status is used.

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Influence of morbidity on serum retinol of children in a community-based study in northern Ghana / SM Filteau; SS Morris; RA Abbott; et.al..-- pp.192-7.-- En: American Journal of Clinical Nutrition.-- 58, 2 (1993)
MORBILIDAD   VITAMINA A   DEFICIENCIA DE VITAMINA A   NIÑO   PROTEINAS
Categoría geográfica: GHANA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0461
Tipo de Material:
Separata

    Serum retinol concentrations decrease during illness and thus may not accurately reflect the vitamin A status of populations with a high prevalence of illness. To quantify the contribution of illness to low serum retinol in a field study of children aged 6-59 mo in northern Ghana, serum retinol values were compared with two indicators of recent illness; symptoms reported by parents and acute-phase protein concentrations in serum. Serum retinol was not associated with symptoms of illness but showed a significant negative correlation with both alpha 1-acid glycoprotein (AGP) and serum amyloid A (SAA). Elevated AGP was associated with a 24% decrease in mean serum retinol. A large proportion of asymptomatic children had elevated AGP or SAA concentrations, suggesting that subclinical infections may have had important effects on serum retinol. A significant negative correlation between malaria parasite density and serum retinol indicated that malaria may have been one of the subclinical infections responsible. Measurement of AGP may improve interpretation of serum retinol data from populations with a high prevalence of morbidity.

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11/231
Interactions between growth and nutrient status in school-age children of urban Bangladesh / F Ahmed; S Barua; M Mohiduzzaman; et.al..-- pp.334-8.-- En: American Journal of Clinical Nutrition.-- 58, 3 (1993)
CRECIMIENTO   DESARROLLO HUMANO   NUTRICION   NIÑO   VITAMINA A   MINERALES   ANTROPOMETRIA   HEMOGLOBINAS
Categoría geográfica: BANGLADESH  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0462
Tipo de Material:
Separata

    The relationship between biochemical, anthropometric, and sociodemographic indexes was investigated in 242 children aged 5-12 y from five schools in Dhaka City, Bangladesh. As height-for-age increased so too did the mean serum concentrations of hemoglobin, protein, vitamin A, and zinc; serum copper concentrations were highest in the shortest group. Serum copper concentrations were highest in those with the lowest serum vitamin A concentrations. By multiple regression analysis, family income, age, weight-for-age, hemoglobin, and serum copper were strongly related to serum vitamin A. For every unit change in serum vitamin A there was a 4.92 unit change in hemoglobin, when all the other factors were taken into account. This study shows that there is a complex interaction between concentrations of biochemical indexes of nutritional status and other anthropometric, biochemical, and sociodemographic variables.

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Lymphocyte responsiveness of childrens of children supplemented with vitamin A and zinc / TR Kramer; E Udomkesmalee; S Dhanamitta; et.al..-- pp.566-70.-- En: American Journal of Clinical Nutrition.-- 58, 4 (1993)
LINFOCITOS   NIÑO   ALIMENTACION SUPLEMENTARIA   VITAMINA A   DEFICIENCIA DE VITAMINA A   CINC   PROTEINAS   TOXOIDE TETANICO
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0468
Tipo de Material:
Separata

    We sought to determine the effect of supplementation with zinc, vitamin A, or a combination of the two on proliferation of T lymphocytes to concanavalin A (ConA), tetanus toxoid (TT), or tuberculin (PPD) of children living in a region endemic for suboptimal vitamin A and zinc intake. The children (n = 140, aged 6-13 y) were randomly assigned and supplemented with either zinc (25 mg/d), vitamin A (1500 mg RE/d), zinc + vitamin A, or placebo for 6 mo. After a baseline blood collection, subjects were boosted with diphtheria-tetanus antigen. Proliferative responsiveness of T lymphocytes to ConA and TT in each treatment group (n = 35) was not different at baseline or postsupplementation. Children supplemented with zinc + vitamin A tended to show higher proliferative responsiveness of T lymphocytes to PPD than did those treated with placebo (P = 0.08). This tendency was observed in females but not in males. Increased zinc and vitamin A intake could result in health benefits for children living in regions endemic for suboptimal micronutrient nutriture.

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Maternal vitamina A status and its importance in infancy and early childhood / BA Underwood.-- pp.517-24.-- En: American Journal of Clinical Nutrition.-- 59, 2 Suppl (1994)
VITAMINA A   DEFICIENCIA DE VITAMINA A   NIÑO   NUTRICION   MADRES   LECHE HUMANA   EMBARAZO   LACTANCIA MATERNA   NUTRICION DEL LACTANTE   ALIMENTACION SUPLEMENTARIA
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0480
Tipo de Material:
Separata

    Early fetal vitamin A supplies must be regulated to avoid teratogenic consequences from too little or too much. Late in gestation, adequate maternal vitamin A status is important for newborn reserves and for sustaining adequate breast-milk concentrations. Vitamin A supplements are not needed for most pregnant women in Western countries who consume the recommended dietary allowance during their reproductive years. Increased consumption of vitamin A-rich foods can meet increased needs during lactation. Women in developing countries whose habitual intakes are near basal needs should receive an additional 100 micrograms retinol equivalents (RE) during pregnancy and 300 micrograms RE during lactation. Supplements not above 3000 micrograms RE (10,000 IU) daily are safe for fertile women where circumstances preclude obtaining the needed increment through diet. The first postpartum month is the only safe period during which to provide deficient lactating women with a single high-dose supplement to benefit the mother and breast-feeding infant for several months.

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Effect of vitamin A supplementation of intravenous lipids on early vitamin A intake and status of premature infants / SH Werkman; JM Peeples; RJ Cooke; et.al..-- pp.586-92.-- En: American Journal of Clinical Nutrition.-- 59, 3 (1994)
VITAMINA A   DEFICIENCIA DE VITAMINA A   LIPIDOS   RECIEN NACIDO   PREMATURO   ALIMENTACION   DISPLASIA BRONCOPULMONAR   NUTRICION PARENTERAL
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0481
Tipo de Material:
Separata

    Preterm infants were randomly assigned to receive routine vitamin A supplementation (Regular A) or additional vitamin A in intravenous lipids (High A). Because infants with bronchopulmonary dysplasia (BPD) have poorer vitamin A status than infants who do not develop BPD, High A and Regular A infants were divided by BPD (no or yes) before determining the effects of treatment on intake and plasma concentration of retinol in the first month. Compared with infants without BPD, those with BPD received less retinol (RE.kg-1.d-1) if assigned to Regular A and more if assigned to High A (BPD by vitamin A interaction, P < 0.002). High A-BPD infants compared with Regular A-BPD infants had significantly higher plasma retinol concentrations in the first month. Retinyl palmitate appears to be an effective adjunct to routine vitamin A administration. Infants most likely to benefit from receiving vitamin A in intravenous lipids are those advanced more slowly to full enteral feeding.

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Comparison of vitamin A status assessment techniques in children from two Indonesian villages / SA Tanumihardjo; D Permaesih; AM Dahro; ')";> et.al..-- pp.136-41.-- En: American Journal of Clinical Nutrition.-- 60 (1994)
VITAMINA A   DEFICIENCIA DE VITAMINA A   METODOS   NIÑO
Categoría geográfica: INDONESIA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0501
Tipo de Material:
Separata

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Relationship between vitamin A defiency, malnutrition, and conjuctival impression cytology / GJ Fuchs; S Ausayakhun; S Ruckphaopunt.-- pp.293-8.-- En: American Journal of Clinical Nutrition.-- 60, 2 (1994)
VITAMINA A   DEFICIENCIA DE VITAMINA A   TRASTORNOS NUTRICIONALES   DESNUTRICION PROTEICO-ENERGETICA
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0507
Tipo de Material:
Separata

    One hundred seventy-eight children from three villages were studied in a cross-sectional fashion to evaluate the efficacy of conjunctival impression cytology (CIC) to characterize vitamin A status of individual children and populations of children and to examine the relationship of vitamin A status to nutritional status. Although children with abnormal CIC results had lower retinol concentrations than those with normal CIC results (P < 0.02), CIC exhibited poor sensitivity and specificity. Results of a CIC prevalence criterion were concordant with plasma retinol criteria in characterizing the vitamin A status of each community. Plasma retinol measurements, but not CIC, were associated with height (P < 0.003) and severe stunting (P < 0.001). We conclude that although CIC was a poor indicator of an individual child's vitamin A status, it accurately characterized the risk of vitamin A deficiency of communities. Furthermore, vitamin A deficiency defined by circulating retinol measurements but not CIC is associated with poor linear growth.

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Vitamin A is excreted in the urine during acute infection / CB Stephensen; JO Alvarez; J Kohatsu; ')";> et.al..-- pp.388-92.-- En: American Journal of Clinical Nutrition.-- 60 (1994)
VITAMINA A   DEFICIENCIA DE VITAMINA A   NEUMONIA   INFECCION
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0508
Tipo de Material:
Separata

    Episodes of acute infection are thought to deplete body stores of vitamin A. The mechanism by which this might occur is not known, but increased metabolic requirements are presumed to play a role. We have found, however, that significant amounts of retinol and retinol-binding protein (RBP) were excreted in the urine during serious infections, whereas only trace amounts were found in the urine of healthy control subjects. The geometric mean excretion rate in 29 subjects with pneumonia and sepsis was 0.78 mumol retinol/d. Subjects with fever (temperature > or = 38.3 degrees C) excreted significantly more retinol (geometric mean = 1.67 mumol/d) than did those without fever (0.18 mumol/d; t = 3.53, P < 0.0015). Aminoglycoside administration and low glomerular filtration rates (< 35 mL/min) were also associated with higher rates of urinary retinol excretion. Thirty-four percent of patients excreted > 1.75 mumol retinol/d, equivalent to 50% of the US recommended dietary allowance. These data show that vitamin A requirements are substantially increased during serious infections because of excretion of retinol in the urine, and suggest that these losses are due to pathologic changes associated with the febrile response.

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Urinary excretion of retinol in children with acute diarrhea / JO Alvarez; E Salazar Lindo; J Kohatsu.-- pp.1273-6.-- En: American Journal of Clinical Nutrition.-- 61 (1995)
ORINA   VITAMINA A   DEFICIENCIA DE VITAMINA A   NIÑO   DIARREA
Categoría geográfica: PERU  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0544
Tipo de Material:
Separata

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Antioxidant status in children with juvenile rheumatoid arthritis (JRA) living in Cairo, Egypt / M Ashour; S Salem; H Hassaneen; H el Gadban; N Elwan; A Awad; et.al..-- pp. 85-90.-- En: International Journal of Food Sciences and Nutrition.-- 51, 2 (2000)
ANTIOXIDANTES   ARTRITIS REUMATOIDE JUVENIL   ACIDO ASCORBICO   CERULOPLASMINA   VITAMINA A   VITAMINA E
Categoría geográfica: EGIPTO  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0729
Tipo de Material:
Separata

    The aim of this study was to examine both enzymatic and non-enzymatic antioxidant status in a select group of children with juvenile rheumatoid arthritis (JRA), living in Cairo, Egypt. The plasma concentrations of albumin, ceruloplasmin, vitamin C, vitamin E as well as erythrocyte superoxide dismutase and whole blood glutathione peroxidase activities were all significantly decreased in the presence of JRA compared to those without JRA. Unlike these antioxidant factors, vitamin A and its carrier (e.g. retinol binding protein), which have very little or no antioxidant property, remained unaffected by JRA. These results suggest that the children with JRA are subject to oxidative stress.

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Effects of micronutrients on growth of children under 5 y of age: meta-analyses of single and multiple nutrient interventions / U Ramakrishnan; P Nguyen; R Martorell.-- pp. 191-203.-- En: American Journal of Clinical Nutrition.-- 89, 1 (2009)
Notas de Contenido:
Material no impreso
MICRONUTRIENTES   NECESIDADES NUTRICIONALES   CINC   VITAMINA A   SUPLEMENTOS DIETETICOS   ANALISIS DE COSTO-BENEFICIO   PREESCOLAR   LACTANTE
Ubicación: Centro de Información y Documentación (CANIA)   
Tipo de Material:
Separata

    Micronutrient interventions have received much attention as a cost-effective and promising strategy to improve child health, but their roles in improving child growth remain unclear.Meta-analyses of randomized controlled trials were conducted to evaluate the effect of micronutrient interventions on the growth of children aged [5 y old.Eligible studies were identified by PubMed database searches and other methods. Weighted mean effect sizes and 95% CIs were calculated for changes in height, weight, and weight-for-height z scores (WHZ) by using random-effect models....Continua.

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Effect on longitudinal growth and anemia of zinc or multiple micronutrients added to vitamin A: a randomized controlled trial in children aged 6-24 months / MK Chhagan; J Van den Broeck; KK Luabeya; N Mpontshane; A Tomkins; ML Bennish.-- pp.145.-- En: BMC Public Health.-- 10 (2010)
Notas de Contenido:
Material no impreso
ANEMIA   DEFICIENCIA DE CINC   BAJO PESO AL NACER   EVALUACION NUTRICIONAL   VITAMINA A   MICRONUTRIENTES   NIÑO
Ubicación: Centro de Información y Documentación (CANIA)   
Tipo de Material:
Separata

    The benefits of zinc or multiple micronutrient supplementations in African children are uncertain. African children may differ from other populations of children in developing countries because of differences in the prevalence of zinc deficiency, low birth weight and preterm delivery, recurrent or chronic infections such as HIV, or the quality of complementary diets and genetic polymorphisms affecting iron metabolism.The aim of this study was to ascertain whether adding zinc or multiple micronutrients to vitamin A supplementation improves longitudinal growth or reduces prevalence of anemia in children aged 6-24 months.Randomized, controlled double-blinded trial of prophylactic micronutrient supplementation to children aged 6-24 months. Children in three cohorts - 32 HIV-infected children, 154 HIV-uninfected children born to HIV-infected mothers, and 187 uninfected children born to HIV-uninfected mothers - were separately randomly assigned to receive daily vitamin A (VA) [n = 124], vitamin A plus zinc (VAZ) [n = 123], or multiple micronutrients that included vitamin A and zinc (MM) [n = 126].Among all children there were no significant differences between intervention arms in length-for-age Z scores (LAZ) changes over 18 months. Among stunted children (LAZ below -2) [n = 62], those receiving MM had a 0.7 Z-score improvement in LAZ versus declines of 0.3 in VAZ and 0.2 in VA (P = 0.029 when comparing effects of treatment over time)....Continua.

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Plant sources of provitamin A and human nutriture / NW Solomons; J Bulux.-- pp.199-204.-- En: Nutrition Reviews.-- 51, 7 (1993)
NUTRICION   VITAMINA A   DEFICIENCIA DE VITAMINA A   VEGETALES
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0770
Tipo de Material:
Separata

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Effect of processing on provitamin A in vegetables / JP Sweeney; AC Marsh.-- pp.238-43.-- En: Journal of the American Dietetic Association.-- 59 (1971)
VITAMINA A   DEFICIENCIA DE VITAMINA A   VEGETALES
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0771
Tipo de Material:
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Carotinemia: a new clinical picture / AF Hess; VC Myers.-- pp.1743-5.-- En: The Journal of the American Medical Association.-- 73, 23 (1919)
VITAMINA A   DEFICIENCIA DE VITAMINA A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0772
Tipo de Material:
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Might (pro-) vitamina A be involved in the relation between palmar keratosis and cancer of bladder and lung / M Driver; D Kromhout.-- pp.643.-- En: Lancet (1984)
VITAMINA A   NEOPLASMAS   PULMON   QUERATODERMIA PALMOPLANTAR   VEJIGA
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0780
Tipo de Material:
Separata

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A randomized, controlled trial of vitamin A in children with severe measles / GD Hussey; M Klein.-- pp.160-4.-- En: The New England Journal of Medicine.-- 323, 3 (1990)
VITAMINA A   NIÑO   SARAMPION
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0879
Tipo de Material:
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27/231
Participatory action for nutrition education: social marketing vitamin A-rich foods in Thailand / S Smitasiri; GA Attig; S Dhanamitta.-- pp.199-210.-- En: Ecology of Food and Nutrition: An International Journal.-- 28 (1992)
NUTRICION   EDUCACION   VITAMINA A   DEFICIENCIA DE VITAMINA A   ANTROPOLOGIA
Categoría geográfica: TAILANDIA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0891
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28/231
Influence of enteral parasites on the blood vitamina A levels in preschool children orally supplemented with retinol and/or zinc / HA Marinho; R Shrimpton; R Gugliano; RC Burini.-- pp.539-44.-- En: European Journal of Clinical Nutrition.-- 45 (1991)
VITAMINA A   DEFICIENCIA DE VITAMINA A   NIÑO   ALIMENTACION SUPLEMENTARIA   CINC   BIOQUIMICA   PARASITOS
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0892
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29/231
Vitamin A status of children in Sri Lanka / EW Brink; DA Perera; SP Broske; et.al..-- pp.84-91.-- En: American Journal of Clinical Nutrition.-- 32 (1979)
VITAMINA A   NIÑO   POBLACION URBANA   POBLACION RURAL   DEFICIENCIA DE VITAMINA A
Categoría geográfica: SRI LANKA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0952
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30/231
Xerophtalmia in the state of Paraiba, northeast of Brazil: clinical findings / LM Santos; JM Dricot; LS Asciutti.-- pp.139-44.-- En: American Journal of Clinical Nutrition.-- 38 (1983)
XEROFTALMIA   INVESTIGACION   METODOS   EPIDEMIOLOGIA   NIÑO   VITAMINA A   DEFICIENCIA DE VITAMINA A
Categoría geográfica: BRASIL  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0960
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31/231
Effect of an infection on vitamin A status of children as measured by the relative dose response (RDR) / FACS Campos; H Flores; BA Underwood.-- pp.91-4.-- En: American Journal of Clinical Nutrition.-- 46 (1987)
VITAMINA A   DEFICIENCIA DE VITAMINA A   MEDICIONES   INFECCION   NIÑO
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0964
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32/231
Recommended dietary intakes (RDI) of vitamin A in humans / J Allen Olson.-- pp.704-16.-- En: American Journal of Clinical Nutrition.-- 45 (1987)
VITAMINA A   DEFICIENCIA DE VITAMINA A   ESTANDARES DE REFERENCIA   VALORES DE REFERENCIA   DIETA   NUTRICION
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-0965
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33/231
Hipovitaminosis A: contemporary scientific issues / J Allen Olson.-- pp.1461-6.-- En: The Journal of Nutrition.-- 124 (1994)
VITAMINA A   DEFICIENCIA DE VITAMINA A   INVESTIGACION   METABOLISMO   FISIOLOGIA   SALUD PUBLICA
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1000
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34/231
Vitamin A supplementation does not improve growth of preschool children: a randomized, double-blind field trial in South India / U Ramakrishnan; MC Latham; R Abel.-- pp.202-11.-- En: The Journal of Nutrition.-- 125 (1995)
VITAMINA A   DEFICIENCIA DE VITAMINA A   CRECIMIENTO   DESARROLLO HUMANO   NIÑO
Categoría geográfica: INDIA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1004
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35/231
Conjuctival impression cytology fails to detect subclinical vitamin A deficiency in young children / MM Rahman; D Mahalanabis; MA Wahed; et.al..-- pp.1869-74.-- En: The Journal of Nutrition.-- 125 (1995)
VITAMINA A   DEFICIENCIA DE VITAMINA A   NIÑO
Ubicación: Centro de Información y Documentación (CANIA)   
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36/231
El papel de la vitamina A sobre los inhibidores de la absorción de hierro no heminico. Resultado preliminares / M Layrisse; MN Garcia Casal; L Solano
VITAMINA A   HIERRO   NUTRICION   DIETA   ALIMENTACION SUPLEMENTARIA
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1178
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37/231
Hypercarotenemia and trasaminitis in female adolescents with eating disorders: a prospective, controlled study / P Sherman; K Leslie; E Goldberg; et.al..-- pp.205-9.-- En: J Adolesc Health.-- 15 (1994)
INTESTINOS   ADOLESCENCIA   TRASTORNOS DE LA CONDUCTA ALIMENTARIA   ESTUDIOS PROSPECTIVOS   CAROTENO   VITAMINA A   ANOREXIA NERVIOSA   BULIMIA   ENFERMEDAD DE CROHN
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1218
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38/231
Evaluación del programa nacional de fortificación del azúcar con vitamina A / G Arroyave; JR Aguilar; M Flores; MA Guzman.-- pp.1-81.-- En: OPS/OMS.-- 384 (1978)
CARBOHIDRATOS   VITAMINA A   ALIMENTACION SUPLEMENTARIA   DEFICIENCIA DE VITAMINA A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1242
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39/231
Prevención y control del la deficiencia de vitamina A en Guatemala / O Pineda.-- pp.1-8.-- En: Inst Nutr Centro Am Panam.-- 7, 2 (1989)
VITAMINA A   DEFICIENCIA DE VITAMINA A
Categoría geográfica: GUATEMALA  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1245
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40/231
Necesidades de vitamina A, hierro, folato y vitamina B12 / Organización de las Naciones Unidas para la Agricultura y la Alimentación; Organización Mundial de la Salud.-- pp.1-17.-- En: FAO/OMS (1991)
VITAMINA A   DEFICIENCIA DE VITAMINA A   HIERRO   VITAMINA B 12
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1250
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41/231
Intervenciones para la prevención y control de la deficiencia de vitamina A en America Latina y el Caribe / O Dary.-- pp.123-6.-- En: Archivos Latinoamericanos de Nutrición.-- 4, 3 (1992)
Notas de Contenido:
Revista en estanteria
VITAMINA A   DEFICIENCIA DE VITAMINA A
Categoría geográfica: AMERICA LATINA   CARIBE  
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1258
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42/231
Supplementation of iodine and vitamin A with reference to Nepal / S Acharya
YODO   VITAMINA A   ALIMENTACION SUPLEMENTARIA   DEFICIENCIA DE VITAMINA A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1260
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43/231
Iodine / Vitamin A
YODO   VITAMINA A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1263
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44/231
Implications of hypervitaminosis A in chronic renal failure / I Muth.-- pp.2-8.-- En: Journal of Renal Nutrition.-- 1, 1 (1991)
INSUFICIENCIA RENAL CRONICA   VITAMINAS   VITAMINA A   METABOLISMO   DIALISIS   HIPERVITAMINOSIS A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1295
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45/231
Observations of vitamin A toxicity in three patients with renal failure receiving parenteral alimentation / EE Glehorn; LD Eisenberg; SL Hack.-- pp.107-12.-- En: American Journal of Clinical Nutrition.-- 44 (1986)
VITAMINA A   INSUFICIENCIA RENAL CRONICA   NUTRICION   NUTRICION PARENTERAL
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1406
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46/231
The interaction of zinc and vitamin A: on the logic of supplementing the adequate-nourished / RM Russell
CINC   VITAMINA A   ALIMENTACION SUPLEMENTARIA   NUTRICION
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1653
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47/231
Carnitine deficiency / HT McCurdy.-- pp.1174-5.-- En: Pediatrics.-- 96, 6 (1995)
ALOPECIA   VITAMINA A   DEFICIENCIA DE VITAMINA A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1753
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48/231
Reseñas de nutrición / Sociedad Médica Venezolana de Nutrición.-- pp.-8-.-- En: Reseñas de Nutrición.-- 2, 2 (1997)
VITAMINA A   DEFICIENCIA DE VITAMINA A
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1937
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49/231
Quantitative and conceptual contributions of mathematical modelling to current views on vitamin A metabolism, biochemistry and nutrition / MH Green; JB Green.-- p.3-24.-- En: Advances in Food and Nutrition Research.-- 40 (1996)
VITAMINA A   MODELOS MATEMATICOS   METABOLISMO   BIOQUIMICA   NUTRICION
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1943
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50/231
Micronutrients : A Little Goes A Long Way / Human Nutrition Communications.-- pp.1-3.-- En: Human Nutrition Communications (1995)
VITAMINAS   NECESIDADES NUTRICIONALES   METABOLISMO   VITAMINA A   TIAMINA   RIBOFLAVINA   PIRIDOXINA   VITAMINA B 12   ACIDO ASCORBICO   VITAMINA E
Ubicación: Centro de Información y Documentación (CANIA)   
Solicite el material por este código: AS-1981
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