A case report on para-Bombay blood group.

IF 0.6 Q4 HEMATOLOGY
Asian Journal of Transfusion Science Pub Date : 2023-01-01 Epub Date: 2022-12-12 DOI:10.4103/ajts.AJTS_105_20
A G Krishnaveni, S Vasanth
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Abstract

Rare blood group detection is important as the incidence of these blood groups is very low. These rare blood groups need a transfusion of blood from the same group of people; sometimes, it is not available in blood banks. It is important to detect them in the field of transfusion medicine so that the right transfusion at the right time and for the right patient is ensured. We had one patient who was identified as blood group O in a private laboratory and the patient came to our hospital for anemia during the second trimester of pregnancy whose forward grouping showed no agglutination in the anti-a and anti-b and also no agglutination in the anti-H so we thought it to be Bombay blood group. We performed the reverse grouping and we found agglutination with pooled A cells and pooled B cells but no agglutination in the pooled O cells. We found forward and reverse grouping were discordant so we concluded that the patient had Bombay variant blood group, the secretor status of the patient was done in saliva using hemagglutination inhibition test and we found that the patient had secretion of H substance in the saliva. Rh typing: it was found that the patient had positive in Rh typing. Family members were screened and they all were O positive. Forward and reverse grouping along with the secretor status detection helped to detect the case. This case report highlights the importance of blood grouping forward and reverse and also using Anti-H reagent for blood grouping and also the use of secretor status in the detection of proper blood grouping of the patient.

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孟买附近血型病例报告。
稀有血型检测很重要,因为这些血型的发病率很低。这些罕见的血型需要从同一人群中输血;有时,血库里没有。在输血医学领域检测它们很重要,这样才能确保在正确的时间为正确的患者进行正确的输血。我们有一名患者在私人实验室被确定为O血型,该患者在妊娠中期因贫血来到我们医院,其正向分组显示抗-a和抗-b没有凝集,抗-H也没有凝集,所以我们认为这是孟买血型。我们进行了反向分组,发现与合并的A细胞和合并的B细胞有凝集,但在合并的O细胞中没有凝集。我们发现正向和反向分组不一致,因此我们得出结论,患者具有孟买变异血型,使用血凝抑制试验在唾液中检测患者的分泌状态,我们发现患者在唾液中分泌H物质。Rh分型:发现患者Rh分阳性。对家庭成员进行了筛查,结果均为O型阳性。正向和反向分组以及分泌状态检测有助于检测病例。本病例报告强调了正向和反向血型的重要性,也强调了使用抗-H试剂进行血型分组的重要性,以及在检测患者正确血型时使用分泌状态的重要性。
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来源期刊
CiteScore
0.90
自引率
0.00%
发文量
56
审稿时长
44 weeks
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