Journal of South Asian Federation of Obstetrics and Gynaecology

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VOLUME 14 , ISSUE 5 ( September-October, 2022 ) > List of Articles

Original Article

Prevalence of Antiphospholipid Antibodies in Patients with Bad Obstetric History of unknown Etiology and Its Association with Clinical Parameters

Sambedana Panigrahi, Saumya Ranjan Tripathy, Maya Padhi, Rina Tripathy, Bidyut Kumar Das

Keywords : Antiphospholipid antibodies, Bad obstetric history, Hypertension, Thrombocytopenia, Thrombosis

Citation Information : Panigrahi S, Tripathy SR, Padhi M, Tripathy R, Das BK. Prevalence of Antiphospholipid Antibodies in Patients with Bad Obstetric History of unknown Etiology and Its Association with Clinical Parameters. J South Asian Feder Obs Gynae 2022; 14 (5):514-518.

DOI: 10.5005/jp-journals-10006-2118

License: CC BY-NC 4.0

Published Online: 16-11-2022

Copyright Statement:  Copyright © 2022; The Author(s).


Background: Antiphospholipid syndrome (APS) is one of the important treatable causes of bad obstetric history (BOH). The literature on the association between the presence of antiphospholipid antibodies (APLA) in patients with BOH and clinical parameters is limited. Aims and objectives: (1) To estimate the prevalence of APLA in patients with BOH and (2) To determine the association of APLA with various clinical parameters in patients with BOH. Materials and methods: A total of 80 patients with BOH of unknown etiology and 40 age-matched controls with at least 1 successful pregnancy outcome were clinically assessed and screened for the presence of APLA {anti-β2 glycoprotein-1-IgG (ABGP1-IgG); anticardiolipin IgG and IgM [anticardiolipin antibodies (ACLA), ACLA-IgG and -IgM)]; and lupus anticoagulant (LAC)}. The clinical parameters of APLA-positive and APLA-negative cases were compared. Results: Antiphospholipid antibodies were detected in 12 of 80 cases (15%) compared with none among controls [odds ratio (OR) = 29.38; 95% confidence interval (CI) = 1.71–505.4; p = 0.0199]. The antibody ABGP1-IgG was the commonest one (n = 7, 58.33%) followed by LAC (n = 4, 33.33%) and ACLA-IgG and -IgM (1 each). Patients with APLA-positive BOH had significantly increased incidence of thrombotic episodes (p = 0.01), hypertension (p = 0.05), thrombocytopenia p <0.01), and anemia (9.67 ± 1.75 vs 11.04 ± 1.37 gm/dL; p <0.01). Second-trimester abortion was significantly higher (p = 0.03), and first-trimester abortions were significantly lesser (p = 0.02) compared with patients with APLA-negative BOH. Third-trimester adverse obstetric events were comparable between the two groups. Conclusion: Antiphospholipid antibodies are present in 15% of patients with BOH of unknown etiology. History of thrombosis, hypertension, thrombocytopenia, anemia, and second-trimester abortions were significantly associated with the presence of APLA in BOH. Clinical significance: The findings from this study will help in determining the subset of patients with BOH who have higher likelihood of presence of APLA and therefore increase the chances of treatment and a successful pregnancy outcome.

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