The prevalence of A2 and A2B subgroups in blood donors at a tertiary care teaching hospital blood bank of Rayalaseema region: a pilot study

IS, Chaitanya Kumar; Yashovardhan, A; Babu, B. Suresh; Verma, Anju; KV, Sreedhar Babu; DS, Jothi Bai

doi:10.15380/2277-5706.jcsr.12.012

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…Another study from south India reported the prevalence of A2 and A2B to be 3.01% and 1.43% respectively [2]. Similar study under taken by chaitanya kumar et al from Andra Pradesh, concluded that prevalence of A2 and A2B is 0.85% and 1.21% respectively [17].…”

Section: Observation Prevalence Of Abo and Its Subgroupmentioning

confidence: 62%

Prevalence of ABO and RH Blood Group and Sub-Group A1 and A2 in Blood Donors of Odisha - Experience of One Tertiary Centre

Pradhan¹,

Sc²,

Bk³

et al. 2019

J Blood Lymph

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The paucity of report from Odisha regarding prevalence of ABO and Rh blood group promoted us to undertake the present retrospective study. Total number of subjects studied are 45,564. Prevalence rate of A, B and O are 9679 (21.24%), 13881 (30.46%) and 16662 (36.56%) respectively. The subgroup analysis showed of A1 and A2 has also been carried out in the present study. One case of A2 has been described which had antibody to A1 where there was difficulty in arranging the blood transfusion insisting there by the importance of subgroup analysis in the blood bank.

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Section: Observation Prevalence Of Abo and Its Subgroupmentioning

confidence: 62%

Prevalence of ABO and RH Blood Group and Sub-Group A1 and A2 in Blood Donors of Odisha - Experience of One Tertiary Centre

Pradhan¹,

Sc²,

Bk³

et al. 2019

J Blood Lymph

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show abstract

“…3 However, there are some documented reports where it was shown that this anti A1 antibody could be activated at 37 o C and destroys A1 cells leading to transfusion reactions. 14 A study in Trivandrum found 13.46% A 2 B in AB blood group. 15 In Bangladesh, the frequency of A 2 B among AB was found 7%.…”

Section: Discussionmentioning

confidence: 99%

A case report on incidentally detected A2B blood group

Afroz,

Mukti,

Saleh

2024

Haematol J Bangladesh

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The two primary subgroup of AB is A1B and A2B. A2B is extremely rare. The differentiation between A1B and A2B is based on the reactivity of A1 cells with anti- A1 lectin. Subgroups can result from inheritance of rare alleles at ABO locus and can cause discrepancy but rarely cause haemolytic transfusion reaction. Most of the subgroups are found incidentally during a pre transfusion testing or pregnancy follow up. Here we report an incidental case of A2B in a 28-year female. The case report highlights the need to be aware of such uncommon and rare blood groups. It also emphasizes on the need to do both forward and reverse grouping routinely.

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The prevalence of A2 and A2B subgroups in blood donors at a tertiary care teaching hospital blood bank of Rayalaseema region: a pilot study

Cited by 2 publications

References 5 publications

Prevalence of ABO and RH Blood Group and Sub-Group A1 and A2 in Blood Donors of Odisha - Experience of One Tertiary Centre

Prevalence of ABO and RH Blood Group and Sub-Group A1 and A2 in Blood Donors of Odisha - Experience of One Tertiary Centre

A case report on incidentally detected A2B blood group

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