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[Acute allergic posttransfusion reaction in a patient with immunoglobulin A deficiency].
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The
incidence
of
selective
IgA
deficiency
in
general
population
is
1
:
400
to
1
:
750
.
When
IgA
immunodeficient
person
receives
transfusion
of
blood
or
plasma
,
a
severe
allergic
reaction
can
develop
.
This
report
describes
a
patient
who
developed
a
severe
acute
allergic
reaction
after
receiving
just
a
few
milliliters
of
RBCs
.
Afterwards
,
investigation
of
the
blood
revealed
that
the
patient
had
an
IgA
deficiency
.
This
type
of
allergic
reaction
can
be
prevented
by
transfusion
of
IgA-
deficient
blood
components
or
RBCs
from
a
non-
IgA-
deficient
donor
which
have
been
washed
several
times
.
