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Órgano oficial de difusión de la Federación Mexicana de Patología Clínica, AC y de la Asociación Latinoamericana de Patología Clínica/Medicina de Laboratorio

2011, Number 3

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Rev Mex Patol Clin Med Lab 2011; 58 (3)

Bacterial contamination of blood components

Rivera-López MRF, Ambriz-Fernández R, Montes-de-Oca-Acosta E, Villegas-Martínez R, Islas-Barrera S

Language: Spanish
References: 10
Page: 151-155
PDF size: 223.10 Kb.


ABSTRACT

Currently, the safety of transfused blood is very high, owing to studies of serology and molecular biology that are carried out for HIV, hepatitis B and C, syphilis and Chagas disease. However, in recent years, reports of bacterial contamination have been increased. The purpose of this study is to identify the risk of bacterial contamination associated with transfusion of apheresis platelets, hematopoietic progenitor cells and red blood cell concentrates obtained from the Central Blood Bank of the Centro Médico Nacional Siglo XXI, Mexico City. The results of microbiological control of the blood components were studied since January 2009 to June 2010. To identify the prevalence of bacterial contamination, we used the system BacT/ALERT® 3D bioMérieux. We had 2 positive cases in 2154 Apheresis (risk: 1 in 1077) with Staphylococcus spp. negative coagulase. We studied 67 hematopoietic progenitor cells (100% of production). We had one positive case, in which Stenotrophomonas maltophilia grew (risk: 1 in 67); previously, in the hospital, the same donor showed a positive blood culture too. 422 red cell concentrates were studied with no positive cases (risk: 0 in 422).


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