{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T01:53:47Z","timestamp":1747187627857,"version":"3.40.5"},"reference-count":11,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2021,4,28]],"date-time":"2021-04-28T00:00:00Z","timestamp":1619568000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatrics International"],"published-print":{"date-parts":[[2021,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Platelet count and function change following atrial septal defect (ASD) closure with the Amplatzer septal occluder (ASO). However, the clinical significance of these changes remains unclear. We examined changes in platelet count and mean platelet volume (MPV) before and after ASO placement, and the association between platelet count, MPV and various factors. We discussed the mechanism and clinical significance of changes in platelet count and MPV.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We evaluated 109 patients with ASD who underwent ASO placement, and we performed various analyses of platelet count and MPV.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Younger patients typically had higher platelet counts and lower MPV on admission. They also had large ASDs relative to their body constitution; larger devices were therefore used. Rates of change in platelet count were higher in younger patients. There were no significant associations between platelet count or MPV before placement and mean pulmonary artery pressure, and Qp\/Qs, and between the number of thrombocytopenia and presence or absence of headache or residual ASD. Platelet counts decreased on average by 21.3% for the first 3\u00a0days after ASO placement. One month after placement, platelet counts were slightly improved but remained lower than before placement. Conversely, MPV increased significantly after ASO placement and remained high a month after placement. The ASO size was the most influential factor in platelet count reduction after ASD closure by ASO.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>One month after ASO placement, platelet counts decreased and MPVs continued to increase, suggesting that platelet consumption and new production were still occurring a month after placement.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ped.14369","type":"journal-article","created":{"date-parts":[[2020,7,2]],"date-time":"2020-07-02T12:48:00Z","timestamp":1593694080000},"page":"516-522","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Perioperative changes in platelet count in patients with atrial septal defect"],"prefix":"10.1111","volume":"63","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3189-2748","authenticated-orcid":false,"given":"Akiko","family":"Akashi","sequence":"first","affiliation":[{"name":"Department of Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masahiro","family":"Kamada","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Naomi","family":"Nakagawa","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yukiko","family":"Ishiguchi","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuuji","family":"Moritou","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mayuko","family":"Hara","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshimi","family":"Eguchi","sequence":"additional","affiliation":[{"name":"Department of Pediatric Cardiology Hiroshima City Hiroshima Citizens Hospital Hiroshima Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,4,28]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1540-8183.2009.00515.x"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehp594"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.blre.2017.03.003"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.2459\/JCM.0000000000000217"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/AC.68.4.2988890"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.5114\/aoms.2013.38687"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.5830\/CVJA-2014-027"},{"key":"e_1_2_11_9_1","first-page":"156","article-title":"Mean platelet volume and platelet distribution width during childhood","volume":"5","author":"Fujinami A","year":"1991","journal-title":"Jpn. J. Pediatr. Hematol."},{"key":"e_1_2_11_10_1","doi-asserted-by":"publisher","DOI":"10.1080\/AC.69.2.3017297"},{"key":"e_1_2_11_11_1","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.95.8.2162"},{"key":"e_1_2_11_12_1","first-page":"E167","article-title":"Autopsy findings of amplatzer septal occluder at 5 months after closure of atrial septal defect: how long does it take to be endothelialized?","volume":"25","author":"Kawamura A","year":"2013","journal-title":"J. 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