The journal of obstetrics and gynaecology research · 2016
Liver dysfunction in women with pregnancy-induced antithrombin deficiency.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Morikawa Mamoru, Kawabata Kosuke, Kato-Hirayama Emi, Oda Yasunari, Ueda Hiroto, Kataoka Soromon, Yamada Takashi, Okuyama Kazuhiko, Sengoku Kazuo, Minakami Hisanori
Аннотация
AIM: The aim of this study was to determine whether women with pregnancy-induced antithrombin deficiency (PIATD) had higher risk of liver dysfunction in the absence of thrombocytopenia.
METHODS: We carried out a retrospective observational study at five centers in all 129 women with incidentally found PIATD among 5249 maternities and 129 control women without PIATD matched for number of fetuses and gestational week at delivery. PIATD was diagnosed in women with antenatal antithrombin (AT) activities of ≤75% followed by a further decrease to ≤65% peripartum. Liver dysfunction was defined as serum aspartate aminotransferase > 45 IU/L concomitant with lactate dehydrogenase > 400 IU/L. Thrombocytopenia was defined as platelet count < 120 × 109 /L.
RESULTS: Thrombocytopenia (22% [28/129] vs 5.4% [7/129], P = 0.0001) and liver dysfunction (16% [20/129] vs 0.0% [0/129], P = 0.0000) occurred significantly more often in PIATD than in control women. Of the 20 women with liver dysfunction, 15 (75%) had PIATD, but not thrombocytopenia. Thus, even in the absence of thrombocytopenia, liver dysfunction occurred significantly more often in PIATD than in control women (15% [15/101] vs 0.0% [0/122], respectively, P = 0.0000). The relative risk (95% confidence interval) of liver dysfunction was 28.6 (1.64-500) for women with AT activity of 60-65% and 52.4 (3.17-865) for women with AT activity of <60%, compared to women with AT activity ≥66%.
CONCLUSION: PIATD can occur in the absence of thrombocytopenia and PIATD women had higher risk of liver dysfunction even in the absence of thrombocytopenia.
METHODS: We carried out a retrospective observational study at five centers in all 129 women with incidentally found PIATD among 5249 maternities and 129 control women without PIATD matched for number of fetuses and gestational week at delivery. PIATD was diagnosed in women with antenatal antithrombin (AT) activities of ≤75% followed by a further decrease to ≤65% peripartum. Liver dysfunction was defined as serum aspartate aminotransferase > 45 IU/L concomitant with lactate dehydrogenase > 400 IU/L. Thrombocytopenia was defined as platelet count < 120 × 109 /L.
RESULTS: Thrombocytopenia (22% [28/129] vs 5.4% [7/129], P = 0.0001) and liver dysfunction (16% [20/129] vs 0.0% [0/129], P = 0.0000) occurred significantly more often in PIATD than in control women. Of the 20 women with liver dysfunction, 15 (75%) had PIATD, but not thrombocytopenia. Thus, even in the absence of thrombocytopenia, liver dysfunction occurred significantly more often in PIATD than in control women (15% [15/101] vs 0.0% [0/122], respectively, P = 0.0000). The relative risk (95% confidence interval) of liver dysfunction was 28.6 (1.64-500) for women with AT activity of 60-65% and 52.4 (3.17-865) for women with AT activity of <60%, compared to women with AT activity ≥66%.
CONCLUSION: PIATD can occur in the absence of thrombocytopenia and PIATD women had higher risk of liver dysfunction even in the absence of thrombocytopenia.