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Clube de Revista Internos: Marcelo O. Prata Ncolas Cayres Coordenador:Paulo R. Margotto Escola Superior de Cincias da Sade/SES/DF Segurana e eficcia do uso precoce de aminocidos em pr-termos 8mmol/l com glicosria), acidose metablica (bicarbonato 6. Material e Mtodos Material e Mtodos Anlise: SPSS (Version 12, Chicago, IL, USA); Grupos comparados usando teste X; Variveis contnuas Students t-test and Wilcoxon sum test; Significativo um p0.5; Grupos similares; Post hoc Anlise de poder mostrou que para identificar uma diferena de 2 dias no tempo para o ganho de peso do nascimento para o erro tipo 1 de 0.05, este estudo tem 73% de poder com 54 paciente e seria necessrio 62 pacientes para o estudo ter um poder de 80%; ResultadosResultados Perodo do estudoPerodo do estudo maro 2003 abril maro 2003 abril 2005;2005; 252 neonatos 252 neonatos 28 semanas; 28 semanas; 59 mortes antes de 2 semanas de vida (31 59 mortes antes de 2 semanas de vida (31 “late AA” X 28 “early AA”); “late AA” X 28 “early AA”); 193 remanescentes;193 remanescentes; 91 pais concordaram em participar das 91 pais concordaram em participar das pesquisa = 108 neonatos ( 2 grupos de pesquisa = 108 neonatos ( 2 grupos de trigmeos e 7 grupos de gmeos);trigmeos e 7 grupos de gmeos); ResultadosResultados 108 neonatos 54 em cada grupo;108 neonatos 54 em cada grupo; 5 mortes “late AA”5 mortes “late AA” 2 / “early AA” 2 / “early AA” 3;3; Momento Momento do do incio incio da da administrao administrao de de AAAA diferena diferena estatstica estatstica significante significante entre entre os os grupos: grupos: diferena mdia =16 h / IC 95%;diferena mdia =16 h / IC 95%; Dias Dias necessrios necessrios para para atingir atingir peso peso ao ao nascernascer significncia significncia borderline borderline diferena diferena mdia= mdia= 2 2 dias / IC 95%;dias / IC 95%; TIG TIG devido devido hiperglicemia/intelerncia hiperglicemia/intelerncia glicose glicose “early AA” “early AA” 3 X 3 X “late AA”“late AA” 7 (P= 0,18) 7 (P= 0,18) ResultadosResultados “early “early AA”AA” uria uria plasmtica, plasmtica, dfict dfict de de bases, bases, necessidade necessidade de de acetato acetato e e valores valores de de bicarbonato bicarbonato sem sem diferenas diferenas estatsticas estatsticas significativas significativas no no n n de de RNs RNs c/ c/ acidose acidose metablica metablica clinicamente clinicamente importante;importante; estatstica estatstica significativa significativa n n RN RN com com peso peso p10 p10 e e sepse sepse confirmada confirmada cpm cpm 32 32 semanas (IGPC).semanas (IGPC). DiscussoDiscusso Administrao Administrao precoce precoce AA AA ausncia ausncia de de efeitos efeitos clnicos clnicos adversos adversos e e recuperao recuperao do do peso peso de de nascimento nascimento 2 2 dias dias mais mais cedo cedo amenizao amenizao de de dficits dficits ps-natais ps-natais de de crescimento;crescimento; uria uria plamtica plamtica = = turnoverturnover proteico proteico e e oxidao AA oxidao AA E NOE NO toxidade! toxidade! DiscussoDiscusso Nutrio Nutrio ps-natal ps-natal inadequada inadequada crescimento crescimento ps-natal, ps-natal, desenvolvimento desenvolvimento neurolgico, neurolgico, morbidades na vida adulta: DM e HAS;morbidades na vida adulta: DM e HAS; Preveno Preveno de de acidose acidose metablica metablica e e hiperamonemia hiperamonemia ainda ainda um um desafio desafio em em estudos de formulaes de AA p/ RN;estudos de formulaes de AA p/ RN; incidncia incidncia de de sepse sepse “early “early AA”AA” status status nutricional nutricional reforadoreforado reforo reforo nas nas defesas defesas dos dos hospedeiro hospedeiro ou ou n dias de acesso venoso; n dias de acesso venoso; DiscussoDiscusso estatstico insignificante “early AA” estatstico insignificante “early AA” doena pulmonar crnica e suporte doena pulmonar crnica e suporte respiratrio respiratrio monitoramento em estudos monitoramento em estudos futuros;futuros; Desenvolvimento neuropsicomotor e Desenvolvimento neuropsicomotor e crescimento crescimento estudos a longo prazo estudos a longo prazo segurana da administrao precoce AA.segurana da administrao precoce AA. Referncias do artigo: Carlson SJ, Ziegler EE. Nutrient intakes and growth of very low birth weight infants. J Perinatol 1998; 18: 252258. | PubMed | ChemPort | Clark RH, Thomas P, Peabody J. Extrauterine growth restriction remains a serious problem in prematurely born neonates. Pediatrics 2003; 111: 986 990. | Article | PubMed | ISI | Cooke RJ, Ainsworth SB, Fenton AC. Postnatal growth retardation: a universal problem in preterm infants. Arch Dis Child Fetal Neonatal Ed 2004; 89: F428F430. | Article | PubMed | ChemPort | Ehrenkranz RA. Growth outcomes of very low-birth weight infants in the newborn intensive care unit. Clin Perinatol 2000; 27: 325 345. | Article | PubMed | ChemPort | Embleton NE, Pang N, Cooke RJ. Postnatal malnutrition and growth retardation: an inevitable consequence of current recommendations in preterm infants? Pediatrics 2001; 107: 270 273. | Article | PubMed | ChemPort | Berry MA, Abrahamowicz M, Usher RH. Factors associated with growth of extremely premature infants during initial hospitalization. Pediatrics 1997; 100: 640646. | Article | PubMed | ChemPort | Hay Jr WW, Lucas A, Heird WC, Ziegler E, Levin E, Grave GD et al. Workshop summary: nutrition of the extremely low birth weight infant. Pediatrics 1999; 104: 13601368. | Article | PubMed | Cooke RJ, Ford A, Werkman S, Conner C, Watson D. Postnatal growth in infants born between 700 And 1500 G. J Pediatr Gastroenterol Nutr 1993; 16: 130135. | PubMed | ChemPort | Adamkin DH. Pragmatic approach to in-hospital nutrition in high-risk neonates. J Perinatol 2005; 25(Suppl 2): S7S11. | Article | PubMed | Heird WC, Dell RB, Driscoll Jr JM, Grebin B, Winters RW. Metabolic acidosis resulting from intravenous alimentation mixtures containing synthetic amino acids. N Engl J Med 1972; 287: 943 948. | PubMed | ChemPort | Johnson JD, Albritton WL, Sunshine P. Hyperammonemia accompanying parenteral nutrition in newborn infants. J Pediatr 1972; 81: 154 161. | Article | PubMed | ChemPort | Ibrahim HM, Jeroudi MA, Baier RJ, Dhanireddy R, Krouskop RW. Aggressive early total parental nutrition in low-birth-weight infants. J Perinatol 2004; 24: 482486. | Article | PubMed | Te Braake FW, Van Den Akker CH, Wattimena DJ, Huijmans JG, Van Goudoever JB. Amino acid administration to premature infants directly after birth. J Pediatr 2005; 147: 457 461. | Article | PubMed | ChemPort | Shennan AT, Dunn MS, Ohlsson A, Lennox K, Hoskins EM. Abnormal pulmonary outcomes in premature infants: prediction from oxygen requirement in the neonatal period. Pediatrics 1988; 82: 527 532. | PubMed | ISI | ChemPort | Bell MJ, Ternberg JL, Feigin RD, Keating JP, Marshall R, Barton L et al. Neonatal necrotizing enterocolitis. Therapeutic decisions based upon clinical staging. Ann Surg 1978; 187: 1 7. | PubMed | ISI | ChemPort | Kramer MS, Platt RW, Wen SW, Joseph KS, Allen A, Abrahamowicz M et al. A new and improved population-based Canadian reference for birth weight for gestational age. Pediatrics 2001; 108: E35. | Article | PubMed | ChemPort | Thureen PJ. Early aggressive nutrition in the neonate. Pediatr Rev 1999; 20: E45E55. | PubMed | Chem Thureen PJ, Hay Jr WW. Intravenous nutrition and postnatal growth of the micropremie. Clin Perinatol 2000; 27: 197 219. | Article | PubMed | ChemPort | American academy of pediatrics committee on nutrition: nutritional needs of low-birth-weight infants. Pediatrics 1985; 75: 976986. Nutrient Needs And Feeding Of Premature Infants. Nutrition Committee, Canadian Paediatric Society. CMAJ 1995; 152: 17651785. Thureen PJ, Melara D, Fennessey PV, Hay Jr WW. Effect of low versus high intravenous amino acid intake on very low birth weight infants in the early neonatal period. Pediatr Res 2003; 53: 24 32. | Article | PubMed | ISI | ChemPort | Porcelli Jr PJ, Sisk PM. Increased parenteral amino acid administration to extremely low-birth-weight infants during early postnatal life. J Pediatr Gastroenterol Nutr 2002; 34: 174179. | Article | PubMed | ChemPort | Van Goudoever JB, Colen T, Wattimena JL, Huijmans JG, Carnielli VP, Sauer PJ. Immediate commencement of amino acid supplementation in preterm infants: effect on serum amino acid concentrations and protein kinetics on the first day of life. J Pediatr 1995; 127: 458 465. | PubMed | ChemPort | Wilson DC, Cairns P, Halliday HL, Reid M, Mcclure G, Dodge JA. Randomised controlled trial of an aggressive nutritional regimen in sick very low birthweight infants. Arch Dis Child Fetal Neonatal Ed 1997; 77: F4F11. | PubMed | ChemPort | Hack M, Merkatz IR, Gordon D, Jones PK, Fanaroff AA. The prognostic significance of postnatal growth in very low-birth weight infants. Am J Obstet Gynecol 1982; 143: 693699. | PubMed | ISI | ChemPort | Heird WC. The importance of early nutritional management of low-birth weight infants. Pediatr Rev 1999; 20: E43E44. | PubMed | ChemPort | Lucas A, Morley R, Cole TJ, Gore SM, Lucas PJ, Crowle P et al. Early diet in preterm babies and

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