{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,27]],"date-time":"2025-11-27T16:15:59Z","timestamp":1764260159014,"version":"3.40.5"},"reference-count":7,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2020,11,1]],"date-time":"2020-11-01T00:00:00Z","timestamp":1604188800000},"content-version":"vor","delay-in-days":31,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Pulm. circ."],"published-print":{"date-parts":[[2020,10]]},"abstract":"<jats:p>While the prognosis of idiopathic pulmonary arterial hypertension has improved significantly due to newer medications, lung transplantation remains a critical therapeutic option for severe pulmonary arterial hypertension. Hence, it is essential for patients awaiting lung transplantation to avoid complications, including thrombocytopenia, which may affect their surgical outcomes. Herein we present the case of a 21\u2010year\u2010old woman diagnosed with idiopathic pulmonary arterial hypertension at the age of 15. She developed thrombocytopenia while awaiting lung transplantation. Her medication was switched from epoprostenol to treprostinil, suspecting possible drug\u2010induced thrombocytopenia. Furthermore, she was administered thrombopoietin receptor agonists in view of the possibility of idiopathic thrombocytopenic purpura, along with maximum support for right heart failure. Subsequently, her platelet count increased to &gt;70,000\/\u00b5L, enabling her to successfully undergo bilateral lung transplantation. Post\u2010bilateral lung transplantation, pulmonary arterial hypertension as well as thrombocytopenia appeared to have resolved. In this case, we suspected that thrombocytopenia could have resulted owing to a combination of pulmonary arterial hypertension, right heart failure, drug interactions, and idiopathic thrombocytopenic purpura. Thrombocytopenia is a very critical condition in patients with pulmonary arterial hypertension, especially those awaiting lung transplantation. Several approaches are known to improve intractable thrombocytopenia in patients with pulmonary arterial hypertension.<\/jats:p>","DOI":"10.1177\/2045894020969103","type":"journal-article","created":{"date-parts":[[2020,10,13]],"date-time":"2020-10-13T08:48:15Z","timestamp":1602578895000},"page":"1-4","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Severe thrombocytopenia in patients with idiopathic pulmonary arterial hypertension provided several strategies for lung transplantation"],"prefix":"10.1002","volume":"10","author":[{"given":"Takayuki","family":"Kobayashi","sequence":"first","affiliation":[{"name":"Department of Respirology Graduate School of Medicine Chiba University Chiba Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9289-2901","authenticated-orcid":false,"given":"Ayako","family":"Shigeta","sequence":"additional","affiliation":[{"name":"Department of Respirology Graduate School of Medicine Chiba University Chiba Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiro","family":"Terada","sequence":"additional","affiliation":[{"name":"Department of Respirology Graduate School of Medicine Chiba University Chiba Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5593-9128","authenticated-orcid":false,"given":"Nobuhiro","family":"Tanabe","sequence":"additional","affiliation":[{"name":"Department of Respirology Graduate School of Medicine Chiba University Chiba Japan"},{"name":"Department of Pulmonary Hypertention Center Chibaken Saiseikai Narahshino Hospital Chiba 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Sciences Okayama Japan"},{"name":"Thoracic Surgery Himeji Daiichi Hospital Himeji City Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Koichiro","family":"Tatsumi","sequence":"additional","affiliation":[{"name":"Department of Respirology Graduate School of Medicine Chiba University Chiba 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