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OBJECTIVE: To analyze the levels of homocysteine, 9 kinds of vitamins including folic acid in patients with type 2 diabetes mellitus, so as to provide basis for the early detection and intervention of diabetic nephropathy. METHODSE: A total of 416 patients with type 2 diabetes were divided into nephrotic group and non-nephrotic groups, and subjects were included in the same period of physical examination as the physical examination group. The elderly physical examination group was selected by age. The serum homocysteine (Hcy), folic acid and vitamin (Vit) A, D, E, B1, B2, B6, B12 and C levels of all subjects were collected retrospectively. Differences between different groups were analyzed by ANOVA, and Pearson correlation analysis was used to analyze the correlation between different index levels and GFR or ACR. RESULTS: The levels of folic acid, and Vit D, B1, B2, B12 and C in the disease groups were significantly different from those in the physical examination group, but only Vit D levels decreased and Vit B12 levels increased comparing with those in the elderly physical examination group (P<0.05). There were differences in Hcy, and Vit A, D, E and B6 levels between nephrotic group and non-nephrotic group (P<0.05). The changes of these indexes may be related to the occurrence of nephrosis, but the influence of age cannot be excluded. Hcy, Vit A and D levels were significantly correlated with GFR and ACR (P<0.01). CONCLUSION: Hcy is related to the occurrence of nephropathy, which may be a reference index for early detection of diabetic nephropathy. Folic acid, Vit B2, B6, B12, C and other water-soluble vitamins have been taken as supplymentin diabetic patients. Fat soluble such as Vit A, D, and E also related to the occurrence of nephropathy in varying degrees, and the supplement of these vitamins may benefit.
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Objective: To compare the chemical components in raw products and characteristic processed products with porcine cardiac blood of Salviae Miltiorrhizae Radix et Rhizoma from Menghe medical school.Method: The ultra performance liquid chromatography-quadrupole-time of flight mass spectrometry (UPLC-Q-TOF/MS) was performed on an ACQUITY UPLC® C18 column (2.1 mm×100 mm,1.7 μm),mobile phase was 0.1% formic acid aqueous solution (A)-0.1% formic acid acetonitrile solution (B) for gradient elution (0-1 min,8% B,1-1.5 min,8%-20% B,1.5-4 min,20% B,4-5 min,20%-60% B,5-9 min,60%-70% B,9-10 min,70%-95% B,10-13 min,95% B).The column temperature was 40℃ and the flow rate was 0.3 mL·min-1.Q-TOF/MS with electrospray ionization (ESI) and scanning range of m/z 50-1 200 were applied for analysis under positive and negative ion mode,respectively.All ionic peaks were assigned by comparison of reference substances,mass spectra data,database matching and literature reference,changes of chemical components in Salviae Miltiorrhizae Radix et Rhizoma were investigated by comparing number and area of ionic peaks before and after processing.Result: A total of 59 components were identified from raw products and characteristic processed products,and peak areas of 25 components showed obvious change.However,there were no new compound was found in characteristic processed products.After being processed with porcine cardiac blood,the contents of water-soluble ingredients (protocatechuic aldehyde,salvianolic acid C,F,G),fat-soluble ingredients (tanshinaldehyde,tanshindiol A,tanshinone Ⅰ) and amino acid (L-phenylalanine) in Salviae Miltiorrhizae Radix et Rhizoma were significantly increased.Conclusion: Changes of contents of chemical components in raw products and processed products of Salviae Miltiorrhizae Radix et Rhizoma are remarkable,part of water-soluble ingredients,fat-soluble ingredients and amino acids have quantitative change,which may be related to promoting treatment of Salviae Miltiorrhizae Radix et Rhizoma on cerebral ischemia after being processed with porcine cardiac blood.
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AIM To analyze fat-soluble components of nuts oil from Prunus mira Koehne in Derong County.METHODS The nuts oil from P.mira was extracted by hot pressing method and then was isolated and identified by GC-MS,together with relative content determination of various compounds.The results were analyzed by cluster analysis and principal component analysis.RESULTS Twenty compounds were isolated from nuts oil in Duosong Village,with higher contents of β-sitosterol,trans-squalene,oleic acid hydroxypropyl ester,and one endemic compound (4-methyl nonane).Twenty-two compounds were isolated from nuts oil in Ridui Village,with higher contents of β-sitosterol,oleic acid,γ-tocopherol,and one endemic compound (cyclohexane,1,2,4-trimethyl-).Twenty-four compounds were isolated from nuts oil in Ronggong Village,with higher contents of oleic acid,β-sitosterol and trans-squalene.Twenty-two compounds were isolated from nuts oil in Zhangren Village,with higher contents of β-sitosterol,oleic acid,γ-tocopherol,and two endemic compounds (trans-2,4-decadienal and octacosanal).Ten batches of samples were divided into six types.The cumulative contribution rate of the first principal component was 81.86％ in Duosong Village.CONCLUSION Thirty-five compounds in nuts oil from P.mira in Derong County mainly contain oleic acid,β-sitosterol,trans-squalene,γ-tocopherol and vitamin E,with four endemic compounds.
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OBJECTIVE:To investigate the compatibility stability of Fat-soluble vitamin (Ⅱ)/Water-soluble vitamin for in-jection with common electrolytes. METHODS:Referring to clinical common dose,Fat-soluble vitamin (Ⅱ) for injection/Wa-ter-soluble vitamin for injection collective packing [containing Fat-soluble vitamin(Ⅱ) for injection 2 ampoules and Water-soluble for injection 1 ampoule] were respectively mixed with Glucose injection,Potassium chloride injection,Concentrated sodium chlo-ride injection,Sodium bicarbonate injection,Potassium aspartate injection,Potassium aspartate and magnesium aspartate injection, Sodium glycerophosphate injection,Multi-trace elements injection (Ⅱ) to obtain mixture A-H. At room temperature (25 ℃),these mixtures were investigated in terms of appearance,pH value,osmotic pressure molar concentration and the number of insolu-ble particles at 0,1,2,3,4 h. The contents of bacterial endotoxin were tested at 0,4 h. RESULTS:Within 4 h after mixing, there was no significant change in appearance of those mixtures;pH value of mixture H changed greatly (RSD=5.13%,n=5), and that of mixture D and G increased significantly. The osmotic pressure molar concentration of those mixtures had no significantly change(RSD<2%,n=5)and lower than 600 mOsmol/kg. The bacterial endotoxin tests of those mixtures were negative. Two and four hours after mixing,the number of insoluble particles ≥10 μm in mixture B was increased significantly;2,3,4 h after mix-ing,the number of insoluble particles ≥10 μm in mixture E,F,H were increased significantly;0 ,1,2,3,4 h after mixing,the number of insoluble particles ≥10 μm in mixture G was increased significantly. There was statistical significance in the number of insoluble particle ≥10 μm in above mixtures compared to mixture A at the same time point(P<0.05),but it was in line with the standard of 2015 pharmacopeia. One,two,three and four hours after mixing,the number of insoluble particle ≥10 μm in mixture D was increased significantly,there was statistical significance compared to mixture A at the same time point(P<0.05);the num-ber of insoluble particle ≥10 μm in mixture D was beyond prescribed scope of pharmacopeia at 2,3,4 h after mixing. Within 4 h after mixing,both the number of insoluble particle ≥10 μm in mixture C and the number of insoluble particle ≥25 μm in edch mixture had no significant change,in accordance with pharmacopeia standard. CONCLUSIONS:Fat-soluble vitamin (Ⅱ)/Wa-ter-soluble vitamin for injection is not suitable for mixing with Multi-trace elements injection(Ⅱ),Sodium glycerophosphate injec-tion or Sodium bicarbonate injection due to great change of pH value and the number of insoluble particles.
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Objective To study the equilibrium solubility and oil/water partition coefficient of Hawthorn leaves flavonoids (HLF) components, and compare their similarity, to lay the foundation for the characterization of the overall water soluble and fat soluble HLF components. Methods Taking HLF components as model drug, rutin, quercetin, and hyperin as representative components. The HPLC method was used to determine the equilibrium solubility and apparent oil/water distribution coefficient (Papp) of the components at different pH values and water. The similarity was evaluated by the vector cosine method (cosines) and Grubbs method (Grubbs). Chromatographic conditions: The chromatographic column was Zorbax Eclipse Plus C18 column (250 mm × 4.6 mm, 5 μm), and the flow phase was acetonitrile (A) - 0.4% phosphate solution (B). The gradient elution program was 0—10 min (80% B), 10—11 min (80%—60% B), 11—20 min (60% B), 20—21 min (60%—80% B), and 21—25 min (80% B); The detection wavelength was 360 nm; The volume flow was 0.8 mL/min; The column temperature was 40 ℃. Results The equilibrium solubility and Papp of rutin, quercetin, hyperin were similar in different pH buffer solution and water. The solubility value of lutin, quercetin, and hyperoside in thebuffer solution of different pH were 0.998, 0.988, and 0.987, respectively. The cosine value of the apparent oil-water distribution coefficient was 0.976, 0.981, and 0.978, respectively. The cosine value was greater than 0.9. The Grubbs value of equilibrium solubility of lutin, quercetin and hyperoside were 1.057, 1.083, 1.124, 1.117, 1.022, 1.030, 1.082, and 1.112, respectively. The Grubbs values of the apparent oil-water distribution coefficient were 1.125, 1.107, 1.079, 1.034, 1.041, 1.037, 1.129, and 1.128. The results of Grubbs were less than G critical value of 1.153, and the similarity was good. Conclusion The similarity analysis reflects that the degree of dispersion of components objectively, which could increase the science of components evaluation and provide the basis for the formulation design of components of traditional Chinese medicine.
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OBJECTIVE: To optimize the preparation process of osthole microcapsules-temperature-sensitive gel and set up its quality standard. METHODS: Using gelling temperature as the indicator, P407, P188 and the concentration of propylene glycol were investigated by single factor test, and orthogonal experiment was conducted to optimize the preparation process of osthole microcapsules-temperature-sensitive gel. Osthole content was determined by HPLC. The quality standard of osthole microcapsules-temperature-sensitive gel was established. RESULTS: The optimal formulation of osthole microcapsules-temperature-sensitive gel was as followsP407-P188-propylene glycol=18%∶1%∶15%. Osthole contentin the osthole microcapsules-temperature-sensitive gel should not be less than 31.77 μg·mL-1, and the gelling temperature should be 36-37℃. CONCLUSION: Osthole microcapsules-temperature-sensitive gel prepared in this study has reasonable composition, simple preparation process, and stable quality standards, indicating a hopeful application prospect.
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Objective: To develop an ultra-performance liquid chromatography-tandem mass spectrometry ( UPLC - MS/MS ) method for the determination of nine fat-soluble vitamins in health foods. Methods:The samples were extracted by ultrasonic in organic solvents followed by the separation on a Waters ACQUITY UPLC BEH C18 column(100 mm × 2. 1 mm, 1. 7 μm) with gradient elution of 0. 1% formic acid in methanol and 0. 1% formic acid solution as the mobile phase and in a mode of atmosphere pressure chemical i-onization multiple reaction monitoring (MRM). Results:The method exhibited a good linear relationship (r≥0. 99) with the detection limit between 0. 9 and 38. 3μg/100 g for the nine fat-soluble vitamins. The recoveries were 78. 5%-114. 9% and the RSDs were 1. 57%-11. 1%(n=6). Conclusion:The analytical method is simple, rapid, accurate and sensitive, and suitable for the determina-tion of fat-soluble vitamins in nutritional supplements.
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Objective: To develop an ultra-performance liquid chromatography-tandem mass spectrometry ( UPLC - MS/MS ) method for the determination of nine fat-soluble vitamins in health foods. Methods:The samples were extracted by ultrasonic in organic solvents followed by the separation on a Waters ACQUITY UPLC BEH C18 column(100 mm × 2. 1 mm, 1. 7 μm) with gradient elution of 0. 1% formic acid in methanol and 0. 1% formic acid solution as the mobile phase and in a mode of atmosphere pressure chemical i-onization multiple reaction monitoring (MRM). Results:The method exhibited a good linear relationship (r≥0. 99) with the detection limit between 0. 9 and 38. 3μg/100 g for the nine fat-soluble vitamins. The recoveries were 78. 5%-114. 9% and the RSDs were 1. 57%-11. 1%(n=6). Conclusion:The analytical method is simple, rapid, accurate and sensitive, and suitable for the determina-tion of fat-soluble vitamins in nutritional supplements.
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ABSTRACT Context The rizoma of Sparganium stoloniferum has been used as a traditional Chinese medicinal herb for thousands of years. Sparganium stoloniferum is a stasis-breaking drug to treat a wide range of diseases including cancer,however, its activity of extract on cervical cancer HeLa cells and the mechanisms remains unknown. Objective This study aimed to screen Sparganium stoloniferum extract for its inhibitory effects on cervical cancer HeLa cells. Materials and methods Sparganium stoloniferum was extracted with 95% ethanol under reflux, and the extracts were preliminary separated by silica gel column chromatography. MTT assay and flow cytometry were used to determine the inhibitory effects of three fractions on HeLa cells. In addition, GC-MS was performed to analyze the chemical composition of the active fraction. Results Sample II showed a dose-dependent inhibition of HeLa cell growth, with an inhibition rate of more than 30%, whereas the inhibition rates of Samples I and III were less than 30%. Interestingly, Samples I and III had no effect on apoptosis, in contrast to Sample II, which significantly promoted HeLa cell apoptosis, in a dose-dependent manner. GC-MS was performed to analyze the chemical components of Sample II: steroids were found to be the major components with a relative content of 73.905%, while six known compounds were obtained for the first time. Discussion and conclusion This study provided a novel insight for further research of active fractions of Sparganium stoloniferum, in accordance with the basic principle and theory of traditional Chinese medicine (TCM), and will promote the shift of effective substance study, from monomeric chemical compounds to active fractions.
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OBJECTIVE:To evaluate the effects of PDCA cycle management method on clinical application of Fat-soluble vita-min for injection (Ⅱ). METHODS:By retrospective analysis,500 discharge medical records of Fat-soluble vitamin for injection (Ⅱ)were collected from our hospital during Jul.-Aug. in 2015(before intervention),Sep.-Oct. in 2015(after first intervention cy-cle),Nov.-Dec. in 2015(after second intervention cycle),respectively. RESULTS:After 2 PDCA cycles,the proportion Fat-solu-ble vitamin injection (Ⅱ) use without indication decreased from 65.4% to 39.2%;the reasonable rate of drug dosage increased from 53.2% to 97.2%,and that of usage increased from 96.4% to 99.8%;the reasonable rate of medication course increased from 69.6% to 96.6%;the reasonable rate of the clinical application of Fat-soluble vitamin injection (Ⅱ) increased from 18.8% to 56.4%,with statistical significance (P<0.05). CONCLUSIONS:PDCA cycle can effectively promote the clinical reasonable of Fat-soluble vitamin for injection(Ⅱ).
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Foram propostas duas metodologias para realizar a determinação de vitaminas em suplementos porcromatografia líquida de alta eficiência (CLAE): uma para a determinação simultânea de vitaminas lipossolúveis (acetato de retinol, palmitato de retinol, acetato de α-tocoferol e β-caroteno) e outra para a determinação simultânea de vitaminas hidrossolúveis (B1, vitamina C, nicotinamida, ácidonicotínico, B6 e ácido pantotênico). A validação das metodologias foi realizada utilizando-se materialde referência certificado SRM 3280 do NIST e padrões de vitaminas. Os limites de detecção (LDs) e de quantificação (LQs) variaram entre 0,3 e 4,3 µg/mL e entre 0,5 e 14,0 µg/mL, respectivamente. Os percentuais de recuperação dos padrões adicionados nas matrizes variaram entre 92 % e 109 % e entre 86 % e 108 % no material de referência. A repetitividade foi calculada utilizando-se o desvio padrão relativo (RSD); e foram detectados valores entre 0,2 % e 9,6 %. Os métodos validados foramaplicados para a determinação de vitaminas A, E, B1, C, niacina, B6 e ácido pantotênico em 10 amostras de suplementos vitamínicos. Ambos os métodos são adequados para a análise de vitaminas em suplementos e suas aplicações serão imprescindíveis, visto a necessidade urgente de efetuarmonitoramento e fiscalização destes produtos.
Two methodologies were proposed to carry out the determination of vitamins in high-performance liquid chromatography (CLAE) supplements: one for the simultaneous determination of liposoluble vitamins (retinol acetate, retinol palmitate, α-tocopherol acetate and β-carotene) and another For the simultaneous determination of water soluble vitamins (B1, vitamin C, nicotinamide, acidicotinic, B6 and pantothenic acid). Validation of methodologies was performed using NIST SRM certified reference material 3280 and vitamin standards. Limits of detection (LDs) and quantification (LQs) varied between 0.3 and 4.3 μg / mL and between 0.5 and 14.0 μg / mL, respectively. The recovery percentages of the standards added in the matrices varied between 92% and 109% and between 86% and 108% in the reference material. Repeatability was calculated using the relative standard deviation (RSD); And values between 0.2% and 9.6% were detected. The validated methods were applied for the determination of vitamins A, E, B1, C, niacin, B6 and pantothenic acid in 10 samples of vitamin supplements. Both methods are suitable for the analysis of vitamins in supplements and their applications will be essential, since there is an urgent need for monitoring and inspection of these products.
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Chromatographie en phase liquide , Études de validation comme sujet , Compléments alimentaires , Vitamines Hydrosolubles , Vitamines LiposolublesRésumé
Two methodologies were proposed for determining vitamins in supplements by means of high performance liquid chromatography (HPLC): one for simultaneous determination of fat soluble vitamins (retinyl acetate, retinyl palmitate, -tocopheryl acetate and -carotene), and the other for the simultaneous determination of water soluble vitamins (B1, C, nicotinamide, nicotinic acid, B6 and pantothenic acid). The methodologies were validated using certified reference material SRM 3280 from NIST and vitamins standards. The limits of detection (LODs) and the limits of quantification (LOQs) ranged from 0.3 to 4.3 µg/mL and from 0.5 to 14.0 µg/mL, respectively. The recoveries of spiked vitamin standards in supplements ranged from 92 % to 109 %, and from 86 % to 108 % in the reference material. The repeatability was calculated by the relative standard deviation (RSD), with values from 0.2 % to 9.6 %. The validated methods were applied for determining vitamins A, E, B1, C, niacin, B6 and pantothenic acid in 10 multivitamin supplements samples. Both methods are suitable for determining vitamins in multivitamin supplements, and their applications will be essential, considering the urgent need for monitoring and for surveying these products.
Foram propostas duas metodologias para realizar a determinação de vitaminas em suplementos por cromatografia líquida de alta eficiência (CLAE): uma para a determinação simultânea de vitaminas lipossolúveis (acetato de retinol, palmitato de retinol, acetato de -tocoferol e -caroteno) e outra para a determinação simultânea de vitaminas hidrossolúveis (B1, vitamina C, nicotinamida, ácido nicotínico, B6 e ácido pantotênico). A validação das metodologias foi realizada utilizando-se material de referência certificado SRM 3280 do NIST e padrões de vitaminas. Os limites de detecção (LDs) e de quantificação (LQs) variaram entre 0,3 e 4,3 µg/mL e entre 0,5 e 14,0 µg/mL, respectivamente. Os percentuais de recuperação dos padrões adicionados nas matrizes variaram entre 92 % e 109 % e entre 86 % e 108 % no material de referência. A repetitividade foi calculada utilizando-se o desvio padrão relativo (RSD); e foram detectados valores entre 0,2 % e 9,6 %. Os métodos validados foram aplicados para a determinação de vitaminas A, E, B1, C, niacina, B6 e ácido pantotênico em 10 amostras de suplementos vitamínicos. Ambos os métodos são adequados para a análise de vitaminas em suplementos e suas aplicações serão imprescindíveis, visto a necessidade urgente de efetuar monitoramento e fiscalização destes produtos.
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Chromatographie en phase liquide/méthodes , Compléments alimentaires/analyse , Vitamines Liposolubles/analyseRésumé
A new method was developed for the determination of 11 fat_soluble vitamins ( A, D, E and K) and its derivatives in vitamin tablets by ultra performance convergence chromatography ( UPC2 ) . The mobile phase was the mixture of supercritical CO2 and acetonitrile at a flow rate of 1 mL/min. The separation was carried out on the Waters Acquity UPC2 HSS C18 SB 100 mm × 3. 0 mm i. d. , 1. 8 μm column. The UV detector was set at a wavelength of 284 nm. The limits of detection ( LOD) were 1. 5-2. 0 mg/L, and the calibration linear for VK1 , VK2 , VK3 and VB3 was 3-300 mg/L, linear for VA, VA palmitate, VA formic acid, VE, VE acetate, VD2 and VD3 was 5-300 mg/L, respectively. Its spiked recoveries were 97. 31%-98. 76%, and the relative standard deviations ( RSDs) were 0. 41%-0. 96%. The method is applicable for the determination of fat_soluble vitamins ( A, D, E and K) and Their derivatives in vitamin tablets.
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OBJECTIVE:To provide reference for chemical composition analysis in Angiopteris fokiensis. METHODS:The fat-soluble components in A. fokiensis were extracted and separated. The separated fat-soluble compounds were analyzed and identi-fied by GC-MS after methyl esterification. RESULTS & CONCLUSIONS:Totally 52 compounds were detected and 43 of those were identified. They were mainly organic acids and sterols compounds. The 43 components are first identified in A. fokiensis.
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CONTEXT: Chronic liver disease may induce to malabsorption of lipids and fat-soluble vitamins, leading to injury of nutritional status. OBJECTIVES: To evaluate the nutritional status of pediatric-age patients with autoimmune hepatitis and biliary atresia related to serum levels of vitamins A, D and E and the disease severity. METHODS: This controlled transverse study, evaluated the patients with autoimmune hepatitis and biliary atresia and a reference group paired by sex and age. The patients underwent anthropometric evaluation, alimentary inquiry and determination of serum levels of vitamins A, D and E by high performance liquid chromatography. The Mann-Whitney test, Spearman correlation coefficients and variance analysis (ANOVA) were utilized for data treatment, regarding significant difference if P<0.05. RESULTS: The highest nutritional deficit was observed in patients with biliary atresia, mainly with cholestasis. The serum levels of vitamins A and E for the reference group changed as a function of age. The serum levels of vitamins A, D and E were higher in reference group than in patients with biliary atresia and autoimmune hepatitis together or separately. There were not difference in the serum levels of vitamins A, D and E between biliary atresia groups with cholestasis and without cholestasis. It was verified correlation between weight/age, triceps skinfold thickness, subscapular skinfold thickness, midarm circumference, midarm fat area values and vitamin A serum levels, as well as between all anthropometric indicators and vitamin E in patients with autoimmune hepatitis and biliary atresia. CONCLUSION: The patients with biliary atresia and cholestasis presented the highest nutritional injury. The patients with biliary atresia and autoimmune hepatitis presented lower serum levels of vitamins A, D and E that in control group. There is a directly proportional correlation between vitamin serum levels, mainly vitamin E, and all anthropometric...
CONTEXTO: As doenças hepáticas crônicas podem induzir à má absorção de lipídios e vitaminas lipossolúveis e levar ao comprometimento do estado nutricional. OBJETIVOS: Avaliar o estado nutricional e relacionar com os níveis séricos de vitaminas (A, D e E) e a gravidade da doença em pacientes com atresia biliar e hepatite autoimune na faixa etária pediátrica. MÉTODOS: O estudo foi transversal controlado e foram avaliados os pacientes com hepatite autoimune e atresia biliar e um grupo controle pareado por sexo e idade. Foi realizada avaliação antropométrica, aplicação do inquérito alimentar e determinação dos níveis séricos das vitaminas A, D e E pela técnica de cromatografia líquida de alta eficiência. Foram empregados os testes de Mann-Whitney, o coeficiente de correlação de Spearman e análise de variância (ANOVA), sendo considerada diferença significativa se P<0,05. RESULTADOS: O déficit nutricional mais grave foi observado nos pacientes com atresia biliar, principalmente com colestase. Em relação às vitaminas, no grupo controle, constatou-se que os níveis séricos das vitaminas A e E variaram com a idade. Os níveis séricos das vitaminas A, D e E foram maiores no grupo controle em relação aos pacientes com atresia biliar e hepatite autoimune em conjunto ou separadamente. Verificou-se a correlação do peso/idade, prega cutânea tricipital, prega cutânea subescapular, circunferência braquial, área adiposa braquial com a vitamina A e de todos os indicadores antropométricos com a vitamina E nos pacientes com hepatite autoimune e atresia biliar em conjunto. CONCLUSÕES: Os pacientes com atresia biliar e colestase apresentaram o maior comprometimento nutricional. Os pacientes com atresia biliar e hepatite autoimune possuíram menores níveis séricos das vitaminas A, D e E do que o grupo controle. Existe uma correlação diretamente proporcional, principalmente da vitamina E com todos as variáveis antropométricas do grupo de AB e HAI em conjunto.
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Adolescent , Enfant , Enfant d'âge préscolaire , Femelle , Humains , Mâle , Atrésie des voies biliaires/sang , Hépatite auto-immune/sang , État nutritionnel/physiologie , Rétinol/sang , Vitamine D/sang , Vitamine E/sang , Anthropométrie , Atrésie des voies biliaires/physiopathologie , Méthodes épidémiologiques , Hépatite auto-immune/physiopathologieRésumé
0.05), but significantly different between the cities(P