• Mathilde Pécourt, Cécile Yelnik, Louise Ghesquiere, Élodie Drumez, Émeline Cailliau, Éric Hachulla, Véronique Debarge, Nathalie Morel, Véronique Le Guern, Charles Garabedian, Nathalie Costedoat-Chalumeau, and Marc Lambert.
• Vascular Medicine Department, Groupe Hospitalier Paris Saint-Joseph, Paris, France. Electronic address: mathilde.pecourt@gmail.com.
• Am. J. Obstet. Gynecol. 2021 Oct 1; 225 (4): 432.e1-432.e7.

BackgroundThe characteristics of antiphospholipid syndrome-associated hemolysis, elevated liver enzymes, and low platelet count syndrome are poorly described, likely because of the low frequency of this combination of syndromes.ObjectiveThis study aimed to compare the characteristics and prognosis of hemolysis, elevated liver enzymes, and low platelet count syndrome in patients with and without antiphospholipid syndrome.Study DesignIn this multicenter, case-control study, adult women diagnosed with hemolysis, elevated liver enzymes, and low platelet count syndrome before 34 weeks' gestation and who were also tested for antiphospholipid antibodies according to international diagnostic recommendations were included. Cases labeled "HELLP-APS+" were defined as patients who fulfilled the international classification criteria for antiphospholipid syndrome; they were retrospectively recruited by screening the 672 patients with antiphospholipid syndrome in our antiphospholipid syndrome database. Control cases labeled "HELLP-APS-" were defined as patients who did not fulfill the criteria for antiphospholipid syndrome; they were retrospectively recruited from our hospital admission database.ResultsOverall, 71 patients were included (mean age, 30±5 years), with 23 patients in the hemolysis, elevated liver enzymes, and low platelet count syndrome with antiphospholipid syndrome group and 48 patients in the hemolysis, elevated liver enzymes, and low platelet count syndrome without antiphospholipid syndrome group. The live birth rate was significantly lower for patients with hemolysis, elevated liver enzymes, and low platelet count with antiphospholipid syndrome than for those with hemolysis, elevated liver enzymes, and low platelet count syndrome without antiphospholipid syndrome (43.5% vs 89.4%; P<.001). The patients with hemolysis, elevated liver enzymes, and low platelet count syndrome with antiphospholipid syndrome gave birth prematurely more often than the patients without antiphospholipid syndrome (24 weeks' gestation; 22.0-28.0 weeks vs 30 weeks' gestation; 27.0-33.0 weeks; P<.001). Among the patients with hemolysis, elevated liver enzymes, and low platelet count syndrome with antiphospholipid syndrome, 39% required an induced abortion owing to hemolysis, elevated liver enzymes, and low platelet count syndrome severity vs 8.5% of the patients with hemolysis, elevated liver enzymes, and low platelet count syndrome without antiphospholipid syndrome (P=.006). The intensive care unit admission rate was 61.9% in patients with hemolysis, elevated liver enzymes, and low platelet count syndrome with antiphospholipid syndrome, which was significantly higher than the rate of 27.7% in patients with hemolysis, elevated liver enzymes, and low platelet count syndrome without antiphospholipid syndrome (P=.007). None of the mothers died.ConclusionOur results suggest that the presence of antiphospholipid syndrome is a poor prognostic factor for both the mother and fetus in patients with hemolysis, elevated liver enzymes, and low platelet count syndrome.Copyright © 2021 Elsevier Inc. All rights reserved.

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