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Revista Colombiana de Obstetricia y Ginecología
versión impresa ISSN 0034-7434
Resumen
MEJIA-MEJIA, María Victoria et al. Describing the presence of anti-annexin V antibodies, cardiolipin and B2-glycoprotein 1 in females suffering recurrent pregnancy loss in Medellin, Colombia. Rev Colomb Obstet Ginecol [online]. 2012, vol.63, n.4, pp.368-375. ISSN 0034-7434.
Objective: Describing anti-annexin V antibody frequency in a series of females suffering recurrent abortion in Medellin. Materials and methods: A series of cases was compiled, consisting of healthy females attending gynecological consultation who had a background of recurrent pregnancy loss (RPL), characterized by two or more abortions during the first three months of pregnancy. The females were attending a second- and third-level complexity healthcareproviding institution and/or private consultation with some gynecologists in Medellin who agreed to participate in the study. Females diagnosed with secondary antiphospholipid syndrome were excluded. Socio-demographic characteristics, obstetric and medical background emphasizing hypertension and thrombosis were evaluated, as were anti-cardiolipin antibodies, lupus anticoagulant, number of anti-β2-GPI antibodies and number of anti-annexin V antibodies. Such information was tabulated on a Microsoft Excel sheet and processed using Stata 10.0 statistical software; descriptive statistics were used for statistical analysis. Results: 65 females were surveyed, their ages ranging from 18 to 46 years. Half the patients reported 2 abortions before the tenth week and the other half following such time. Anti-cardiolipin antibody results revealed that 4.6% (3) of the patients proved positive for IgM antibodies and 3.1% (2) positive for IgG antibodies. 3.1% (2) of the females had IgG and IgM anti-β2-GPI antibodies. 4.6% (3) of the patients were positive for anti-annexin IgG antibodies and 12.3% (8) had an indeterminate result. Conclusions: Anti-annexin antibodies were detected in the patients surveyed in this study, although a subgroup of females had an indeterminate result. This led to advancing a hypothesis that annexin V could be an important and independent factor for cardiolipin and β2-GPI antibodies in recurrent pregnancy loss.
Palabras clave : Antibodies; antiphospholipid syndrome; antiphospholipid antibodies; anticardiolipin antibodies; annexin AV; recurrent abortion.