Low-dose aspirin therapy improves decidual arteriopathy in pregnant women with a history of preeclampsia

Preeclampsia, a multisystem pregnancy-specific hypertensive disorder, results in significant maternal and perinatal morbidity and mortality. This condition is associated with placental histopathological abnormalities and particularly affects the decidual spiral arteries. Reportedly, aspirin prevents...

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Veröffentlicht in:Virchows Archiv : an international journal of pathology 2022-11, Vol.481 (5), p.713-720
Hauptverfasser: Tomimori-Gi, Kayo, Katsuragi, Shinji, Kodama, Yuki, Yamada, Naoshi, Sameshima, Hiroshi, Maekawa, Kazunari, Yamashita, Atsushi, Gi, Toshihiro, Sato, Yuichiro
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container_title Virchows Archiv : an international journal of pathology
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creator Tomimori-Gi, Kayo
Katsuragi, Shinji
Kodama, Yuki
Yamada, Naoshi
Sameshima, Hiroshi
Maekawa, Kazunari
Yamashita, Atsushi
Gi, Toshihiro
Sato, Yuichiro
description Preeclampsia, a multisystem pregnancy-specific hypertensive disorder, results in significant maternal and perinatal morbidity and mortality. This condition is associated with placental histopathological abnormalities and particularly affects the decidual spiral arteries. Reportedly, aspirin prevents preeclampsia, specifically early-onset preeclampsia, although findings in decidual arteries in women treated with aspirin therapy remain unclear. We compared the clinical and histopathological placental findings between women with a history of preeclampsia, who did and did not receive low-dose aspirin therapy (LDA and non-LDA groups, respectively). We identified 26 women with a history of preeclampsia; 9 women received LDA (aspirin ≤ 100 mg/day, initiated at 
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This condition is associated with placental histopathological abnormalities and particularly affects the decidual spiral arteries. Reportedly, aspirin prevents preeclampsia, specifically early-onset preeclampsia, although findings in decidual arteries in women treated with aspirin therapy remain unclear. We compared the clinical and histopathological placental findings between women with a history of preeclampsia, who did and did not receive low-dose aspirin therapy (LDA and non-LDA groups, respectively). We identified 26 women with a history of preeclampsia; 9 women received LDA (aspirin ≤ 100 mg/day, initiated at &lt; 16 weeks, LDA group), and 17 women did not receive LDA (non-LDA group). The mean gestational age was higher (36.7 weeks vs. 32.3 weeks, P  = 0.0221) and the incidence of preeclampsia was lower (11% vs. 59%, P  = 0.0362) in the LDA than in the non-LDA group. Histopathologically, the incidence of decidual arteriopathy, particularly that of fibrinoid necrosis and thrombosis, was lower in the LDA than in the non-LDA group (44% vs. 88%, P  = 0.0283). Immunohistologically, endothelial marker (CD31 and CD39) expression was stronger in the LDA than in the non-LDA group. Notably, we observed no significant intergroup differences in inflammatory changes (chronic perivasculitis, protease-activated receptor 1 expression, and CD3-positive cells). This study highlights that LDA inhibits hypertension-induced endothelial injury and thrombosis, and thereby protects maternal placental perfusion and prevents preeclampsia.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00428-022-03388-3</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-1171-2620</orcidid></addata></record>
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subjects Abnormalities
Age
Arteries
Aspirin
CD3 antigen
Decidua
Gestational age
Hypertension
Inflammation
Injury prevention
Medicine
Medicine & Public Health
Morbidity
Necrosis
Original Article
Pathology
Placenta
Pre-eclampsia
Preeclampsia
Pregnancy
Proteinase-activated receptor 1
Therapy
Thromboembolism
Thrombosis
title Low-dose aspirin therapy improves decidual arteriopathy in pregnant women with a history of preeclampsia
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