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Article type: Research Article
Authors: Cagan, Murata; * | Donmez, Hanife Gulerb | Dikmen, Zeliha Gunnurc | Beksac, Mehmet Sinana
Affiliations: [a] Division of Perinatology, Department of Obstetrics and Gynecology, Faculty of Medicine, Hacettepe University, Ankara, Turkey | [b] Department of Biology, Faculty of Science, Hacettepe University, Ankara, Turkey | [c] Department of Medical Biochemistry, Hacettepe University Medical Faculty, Ankara, Turkey
Correspondence: [*] Corresponding author: Murat Cagan, Division of Perinatology, Department of Obstetrics and Gynecology, Faculty of Medicine, Hacettepe University, Ankara, Turkey. E-mail: muratcagan@hacettepe.edu.tr;drmuratcagan@gmail.com.
Abstract: BACKGROUND: Lupus anticoagulant (LA) may be a cause of poor obstetric outcome. OBJECTIVE: To search the association of LA with risk factors for obstetric complications and adverse gestational outcome. METHODS: This retrospective cohort was consisted of 2 groups of pregnancies with poor obstetric history; 1) LA (+) gestations (Study Group, n= 20) and 2) LA (-) gestations (Control Group, 78). All patients were admitted to a special antenatal care program and were examined in terms of risk factors for thrombotic events, placenta-related obstetric complications, and poor gestational outcomes. Patients were administered low-dose low-molecular-weight heparin (LMWH), low-dose salicylic acid and low-dose corticosteroid (if necessary) within the framework of a prophylaxis protocol in addition to their already existing medications. RESULTS: We have shown that adverse gestational outcome was 1.7-fold more frequent in LA (+) pregnancies with poor obstetric history (p= 0.039, 70% vs. 41%). Higher rates of autoimmune diseases and hereditary thrombophilia were observed among LA (+) patients compared to LA (-) gestations (35% vs. 10.3%, p< 0.012 and 55% vs. 19.2%, p< 0.003, respectively). To identify the effectiveness of low-dose LMWH prophylaxis protocol, we compared gestational outcomes and demonstrated that the miscarriage rate was significantly decreased to half in current pregnancies compared to the previous gestations (73.6% vs. 35%, p= 0.003). CONCLUSIONS: Autoimmune diseases and hereditary thrombophilia are more frequent in LA (+) pregnancies, and these women are prone to obstetric problems. Low-dose LMWH and salicylic acid prophylaxis are critical in the management of LA (+) pregnant women.
Keywords: Adverse gestational outcome, autoimmune disorders, hereditary thrombophilia, lupus anticoagulants, miscarriage, preterm birth
DOI: 10.3233/HAB-230003
Journal: Human Antibodies, vol. 31, no. 1-2, pp. 1-8, 2023
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