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1.
Chinese Journal of Blood Transfusion ; (12): 1132-1135, 2023.
Artigo em Chinês | WPRIM | ID: wpr-1003949

RESUMO

【Objective】 To investigate the clinical characteristics and antibody distribution as well as evaluate the transfusion efficacy in unexpected antibody positive patients. 【Methods】 A total of 12 235 patients from January 1, 2022 to March 31, 2023 who hospitalized in our hospital and applied for blood transfusion were selected, and those with unexpected antibody were included. The clinical data, including gender, age, diagnosis, blood type, history of transfusion and pregnancy were collected for antibody distribution analysis. Patients who received transfusion were grouped according to the DAT results and the components of red blood cells transfused, and the Hb values of each group before and after transfusion were compared. 【Results】 Among12 235 patients, 118 were positive for antibody screening, with a prevalence of 0.96%. The antibodies from Rh system were the most common (27.43%, 48/175), followed by MNS system (8.57%, 15/175) and Lewis system (6.29%, 11/175), mainly anti-E (18.29%, 32/175), anti-M (8.00%, 14/175) and anti-Lea (5.71%, 10/175). In addition, 62 transfused patients were divided into group A with suspended red blood cell transfusion and group B with washed red blood cell transfusion for positive DAT, and group C for negative DAT. Hb values (g/L) pre- and post-transfusion were 59.19±15.67 vs 77.52±15.09 in group A, 56.35±14.08 vs 74.44±15.63 in group B, 56.00±12.06 vs 75.00±4.73 in group C, respectively. The Hb values of post-transfusion for three groups were all higher than those of pre-transfusion (P<0.05). 【Conclusion】 Anti-E from Rh system is the most common antibody in patients with unexpected antibody. Appropriate red blood cells transfusion with Hb increases by an average of 6-7 g/L per 1 U of red blood cells indicating good transfusion efficacy. For positive DAT patients, transfusion of suspended red blood cell is feasible.

2.
Rev. argent. dermatol ; 93(4): 0-0, dic. 2012. ilus
Artigo em Espanhol | LILACS | ID: lil-662186

RESUMO

La enfermedad injerto vs hospedero (EICH) es un proceso inmunológico, desencadenado por linfocitos T de un donante inmunocompetente, que reaccionan contra los tejidos de un receptor inmunocomprometido. Esto origina daño multiorgánico severo en el agente receptor. Las manifestaciones cutáneas son un signo clínico relevante en períodos tempranos. La EICH postranfusional (EICH-PT) es una entidad poco frecuente y con alta tasa de mortalidad, que se observa en pacientes luego de transfusiones con hemoderivados no irradiados. Los corticoides son el pilar fundamental del tratamiento, una vez instalado el cuadro. La prevención con leucorreducción e irradiación de los componentes sanguíneos, constituye el sustento primordial para evitar su desarrollo. Presentamos un paciente de 5 años de edad, con un diagnóstico de leucemia linfoblástica aguda de alto riesgo, de múltiples transfusiones de glóbulos rojos sin tratamiento radiante previo, a quien se le realiza el diagnóstico dermatológico e histopatológico de EICH aguda postransfusional.


Graft vs host disease (GVHD) is a process triggered by immune T cells, that react immunocompetent donor tissue against a recipient immunocompromised. This causes severe multiorgan damage in the receiving agent. Cutaneous manifestations are an important clinical sign in early periods. Postranfusional GVHD (GVHD-PT) is a rare entity with high mortality rate, observed in patients after transfusion with blood products not previously irradiated. Corticosteroids are the mainstay of treatment after installation of the box, however prevention with leukoreduction and irradiation of blood components remains the mainstay to prevent its development. We present a patient 5 years of age, diagnosed with acute lymphoblastic leukemia at high risk with a history of multiple transfusions of red blood cells without prior radiation treatment, who is performed dermatological and histopathological diagnosis posttransfusion acute GVHD.

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