2011
DOI: 10.1590/s1679-45082011gs1809
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Does the time between collecting and processing umbilical cord blood samples affect the quality of the sample?

Abstract: The increase in time interval from sampling until analysis negatively affected the number of nucleated cells, viable cells and CD34+ cells but was not associated with specimen contamination. A linear correlation was found between decrease in the number of viable cells and CD34+ cells.

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Cited by 6 publications
(8 citation statements)
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“…The nurse is responsible for the logistics of adequately transporting units for early processing. It is known that delaying the processing of blood specimens results in a gradual decrease in the number of nucleated, viable and CD34+ cells, thus time between collection and processing should be minimized 11 .…”
Section: Discussionmentioning
confidence: 99%
“…The nurse is responsible for the logistics of adequately transporting units for early processing. It is known that delaying the processing of blood specimens results in a gradual decrease in the number of nucleated, viable and CD34+ cells, thus time between collection and processing should be minimized 11 .…”
Section: Discussionmentioning
confidence: 99%
“…O papel do enfermeiro no contexto do TCTH do SCU é relevante em todas as fases da utilização do SCU, com início na captação de doadores até a alta hospitalar. O enfermeiro é o profissional que tem um relacionamento direto com o paciente, por isso há uma extrema importância da assistência de enfermeiros com conhecimentos específicos neste serviço, pois este profissional atua como ligação e comunicação entre doadores, médicos, familiares e pacientes (Barini, Ferraz, Acácio & Machado, 2011;Lima & Bernardino, 2014). É necessário estar bem informado por meio dos últimos estudos sobre células-tronco e SCU de forma a contribuir com o desenvolvimento de sua habilidade nesta prática tão específica (Hatzistilli et al, 2014).…”
Section: Conhecimento Dos Enfermeiros Sobre O Tcth De Scuunclassified
“…A placenta fica em uma altura mais elevada em relação à bolsa de coleta para melhor fluidez do sangue por gravidade. Todo procedimento deve ser estéril (Barini, Ferraz, Acácio & Machado, 2011;Santos, Marti, Ribeiro, Conti & Barros, 2011). Só é aceito o SCU para processamento se o número de células nucleadas da coleta for igual a 5 x 10 8 segundo a Agência Nacional de Vigilância Sanitária por meio da Resolução da Diretoria Colegiada -RDC nº 56.…”
Section: Conhecimento Dos Enfermeiros Sobre O Tcth De Scuunclassified
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“…Today we have private units that have their own resources for deposits of private samples, with a limited use of the samples, in addition to public biobanks, in which the certified samples can be used for different purposes, guaranteeing the benefit of their serviceability; for those destined to research, carrying out projects with samples and/or quality biological data. (2)(3)(4) Today, Brazil has 53 regulated biobanks and a few others in course. (1) Observing the world scenario as to human biological samples, the United States has 169 biobanks, while Europe has 90, and Asia, 23.…”
mentioning
confidence: 99%