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A case of maternal immunoglobulin therapy to prevent the development of neonatal alloimmune thrombocytopenia
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- Yamagata Tomo
- Department of Obstetrics and Gynecology, Kyoto University Hospital Department of Obstetrics and Gynecology, Toyooka Hospital
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- Komatsu Maya
- Department of Obstetrics and Gynecology, Kyoto University Hospital
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- Chigusa Yoshitsugu
- Department of Obstetrics and Gynecology, Kyoto University Hospital
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- Kawamura Yosuke
- Department of Obstetrics and Gynecology, Kyoto University Hospital Department of Obstetrics and Gynecology, Shiga General Hospital
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- Matsuzaka Sunao
- Department of Obstetrics and Gynecology, Kyoto University Hospital
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- Yamaguchi Ayaka
- Department of Obstetrics and Gynecology, Kyoto University Hospital
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- Takakura Masahito
- Department of Obstetrics and Gynecology, Kyoto University Hospital
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- Ueda Yusuke
- Department of Obstetrics and Gynecology, Kyoto University Hospital
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- Mogami Haruta
- Department of Obstetrics and Gynecology, Kyoto University Hospital
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- Mandai Masaki
- Department of Obstetrics and Gynecology, Kyoto University Hospital
Bibliographic Information
- Other Title
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- 新生児同種免疫性血小板減少症の発症予防を目的として母体への免疫グロブリン療法を行った一例
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Description
<p> Neonatal alloimmune thrombocytopenia(NAIT)is a rare but severe pregnancy-associated disease caused by human platelet antigen(HPA)incompatibility between the mother and fetus. The principal complication of NAIT is intracranial hemorrhage(ICH), which poses a substantial risk of perinatal mortality. Although the platelet counts of neonate tends to be lower during subsequent pregnancies following its manifestation during pregnancy with an older sibling, effective preventive perinatal management has not been established. In this report, we present the case of a 38-year-old woman, gravida 4 para 2. Her second child exhibited systemic petechial hemorrhage immediately after birth, accompanied by a platelet count of 30×103/μL. Anti-HPA-4b antibodies were detected in the mother, and NAIT was suspected. During the subsequent conception with her third child, amniotic fluid analysis revealed the presence of HPA-4a/b in the fetus. Since there was concern that the baby might develop severe NAIT, intravenous immunoglobulin was administered every week starting at 30 weeks gestation, and the patient delivered the baby vaginally at 39 weeks gestation. The infant’s platelet count was 60×103/μL, exhibiting spontaneous recovery with an absence of significant complications. When NAIT is suspected during pregnancy with an older sibling, HPA typing via amniocentesis and intravenous immunoglobulin therapy could emerge as promising strategies for enhancing the perinatal prognosis in subsequent pregnancies.</p>
Journal
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- Journal of Japan Society of Perinatal and Neonatal Medicine
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Journal of Japan Society of Perinatal and Neonatal Medicine 60 (2), 271-275, 2024
Japan Society of Perinatal and Neonatal Medicine
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Keywords
Details 詳細情報について
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- CRID
- 1390582883016306816
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- ISSN
- 24354996
- 1348964X
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- HANDLE
- 2433/291561
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- Text Lang
- ja
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- Article Type
- journal article
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- Data Source
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- JaLC
- IRDB
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- Abstract License Flag
- Disallowed