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dc.contributor.authorJn-Louis, Rebecca Martine Sarah-
dc.date.available2024-04-12-
dc.date.available2024-04-15T15:55:47Z-
dc.date.issued2023-11-24-
dc.identifier.urihttp://repositorioinstitucional.uea.edu.br//handle/riuea/5636-
dc.description.abstractIron deficiency is a public health challenge, as it is the leading cause of anemia worldwide, and blood donors are a susceptible group without an established prevention protocol. It mainly affects blood donors of childbearing age, causing a higher rate of unfitness and loss of donors. Objective: To evaluate the clinical variables and the impact of iron supplementation on the identification/prevention of iron deficiency in whole blood donors at the HEMOAM Foundation. Method: Randomized clinical trial carried out at the Amazonas Hematology and Hemotherapy Foundation. Able-bodied donos, aged 18 and over, were randomized into two supplementation groups, one with 40 mg of oral elemental iron on Mondays, Wednesdays and Fridays and the other weekly for 13 weeks. A third group was made up of donors who used less than 10% of the supplementation. Sociodemographic, clinical and laboratory variables were collected on the day the participants were recruited into the study and again after 90 days, when they were evaluated. Results: 400 of 413 recruits were analyzed, the average age was 32 years, 131 (32,8 %) had iron deficiency with serum ferritin ≤ 30 ng/mL, of which 39 (9,5 %) had ferritin below 15 ng/mL (complete absence of iron in stock). Deficiency was higher in younger donors, as well as in frequent donors, particularly those with 3 or more donations in the previous 2 years. After 90 days, 146 (35,4 %) donors returned for reevaluation. 118 (80,8 %) donors complied with iron supplementation and only 28,2 % reported minor side effects. All hematimetric markers increased in both supplementation protocols; however, only the iron-deficient group showed an increase of 3 ng/mL in serum ferritin. Donors who received less than 10 % supplementation had a drop of 30 ng/mL in serum ferritin and 2 donors developed iron deficiency. Conclusion: Iron deficiency is very common among HEMOAM blood donors, particularly among those who donate frequently. Iron supplementation was not enough to restore iron stores, although it did increase hemoglobin levels and prevent the deterioration of iron storespt_BR
dc.languageporpt_BR
dc.publisherUniversidade do Estado do Amazonaspt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectDoação de sanguept_BR
dc.subjectDeficiência de ferropt_BR
dc.subjectTransfusãopt_BR
dc.subjectBlood donationpt_BR
dc.subjectIron deficiencypt_BR
dc.titleDesempenho das variáveis clínicas e impacto da suplementação de ferro na identificação/prevenção da deficiência de ferro em doadores de sangue total da Fundação Hemoampt_BR
dc.title.alternativePerformance of clinical variables and impact of iron supplementation in identifying/preventing iron deficiency in whole blood donors from Fundação Hemoampt_BR
dc.typeDissertaçãopt_BR
dc.date.accessioned2024-04-15T15:55:47Z-
dc.contributor.advisor-co1Fraiji, Nelson Abrahim-
dc.contributor.advisor-co1Latteshttp://lattes.cnpq.br/5204063085335824pt_BR
dc.contributor.advisor1Frantz, Sonia Rejane de Senna-
dc.contributor.advisor1Latteshttp://lattes.cnpq.br/2654817058533157pt_BR
dc.contributor.referee1Frantz, Sonia Rejane de Senna-
dc.contributor.referee1Latteshttp://lattes.cnpq.br/2654817058533157pt_BR
dc.contributor.referee2Passos, Leny Nascimento da Motta-
dc.contributor.referee2Latteshttp://lattes.cnpq.br/8194622149198642pt_BR
dc.contributor.referee3Torrente, Gisele-
dc.contributor.referee3Latteshttp://lattes.cnpq.br/2511757319260827pt_BR
dc.creator.Latteshttp://lattes.cnpq.br/5265067453453548pt_BR
dc.description.resumoA deficiência de ferro representa um desafio para saúde pública, por ser a causa principal de anemia no mundo, sendo os doadores de sangue um grupo susceptível, sem um protocolo de prevenção estabelecido. Afeta principalmente as doadoras de sangue em idade fértil, provocando maior taxa de inaptidão e perda de doadores. Objetivo: Avaliar as variáveis clínicas e o impacto da suplementação de ferro na identificação/ prevenção da deficiência de ferro em doadoras de sangue total da Fundação HEMOAM. Método: Ensaio clínico randomizado realizado na Fundação de Hematologia e Hemoterapia do Amazonas. Foram incluídas doadoras aptas, a partir dos 18 anos, randomizadas em dois grupos de suplementação, sendo um com 40 mg de ferro elementar oral, 2ª, 4ª e 6ª-feira e o outro semanal, durante 13 semanas. Um terceiro grupo foi formado por doadoras que utilizaram menos de 10 % da suplementação. Variáveis sociodemográficos, clínicas e laboratoriais foram coletadas no dia de recrutamento das participantes no estudo e outra após 90 dias, quando foram avaliadas. Resultados: Foram analisadas 400 de 413 recrutadas, a idade média foi de 32 anos, 131(32,8 %) apresentaram deficiência de ferro com ferritina sérica ≤ 30 ng/mL, das quais 39 (9,5 %) com a ferritina menor que 15 ng/mL (ausência completa de ferro em estoque. A deficiência foi maior nas doadoras mais jovens, assim como nas doadoras frequentes, particularmente, naquelas com 3 ou mais doações nos 2 anos precedentes. Após 90 dias, 146 (35,4 %) doadoras retornaram para a Reavaliação. 118 (80,8 %) doadoras cumpriram com a suplementação de ferro e apenas 28,2 % reportaram efeitos colaterais de pequena monta. Todos os marcadores hematimétricos aumentaram nos dois protocolos de suplementação; porém, apenas o grupo com deficiência de ferro apresentou uma elevação de 3 ng/mL na ferritina sérica. As doadoras que menos do 10 % da suplementação tiveram uma queda de 30 ng/mL na ferritina sérica e 2 doadoras evoluíram a deficiência de ferro. Conclusão: A deficiência de ferro é muito frequente nas doadoras de sangue do HEMOAM, particularmente nas doadoras que doam frequentemente. A suplementação de ferro não foi suficiente para restaurar os estoques de ferro, embora tenha aumentado os níveis de hemoglobina e prevenido o deterioro dos estoques de ferropt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.programPPGH -PROGRAMA DE PÓS-GRADUAÇÃO EM CIÊNCIAS APLICADAS À HEMATOLOGIApt_BR
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