Lege Artis Medicinae

[Intravenous immunoglobulin immunotherapy in immune mediated habitual abortions]

FÜLÖP Vilmos, PETRÁNYI Győző

DECEMBER 18, 2016

Lege Artis Medicinae - 2016;26(11-12)

[INTRODUCTION - Based upon international and domestic research data authors summerize the humoral and cellular im­munregulatory disorders which can be found in the background of “immune me­diated abortions” (IMA). PATIENTS AND METHODS - Within the frame of a home research program a special examination protocol was elaborated in order to sepatare alloimmune habitual abortions from autoimmune and non immune backgrounds. After all other causes were excluded erythrocyte antibody inhibition assay (EAI) was used for measuring the serum level of FcgRII receptor blocking IgG antibody, because its lack an important diagnostic parameter. Among the cell mediated immunofuntional tests the mixed lymphocyte culture reaction (MLC) was the most useful. During the roughly last 16 years 67 out of 76 selected alloimmun IMA patients were administered Intratect IVIG treatment without any particular selection among them. IVIG treatment was first applied on the completed 5-6th week of pregnancy and doses of 0,3-0,4g/kg bodyweight per oc­casion were given 3 times with 3-week intervals. RESULTS - Altogether a significant rise in the serum level of blocking antibodies was shown after each IVIG treatment although a slight decrease was seen after every given dose. Of the 67 IMA patients 54 carried infants to term during the study period. In 4 cases of abortion no cause was identified with post hoc diagnosis. Thus the success rate of this type of IVIG therapy was 93.1% (58/54). Conclusion - In approprietly selected alloimmun IMA cases the IVIG generated immunoregulatory and antiimflammatory pathways may contribute to its net positive reproductive effect.]

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