Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic Purpura

Objective. To examine pregnancy and birth outcomes among women with idiopathic thrombocytopenic purpura (ITP) or chronic ITP (cITP) diagnosed before or during pregnancy. Methods. A linkage of mothers and babies within a large US health insurance database that combines enrollment data, pharmacy claim...

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Main Authors: Diego F. Wyszynski, Wendy J. Carman, Alan B. Cantor, John M. Graham, Liza H. Kunz, Anne M. Slavotinek, Russell S. Kirby, John Seeger
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Journal of Pregnancy
Online Access:http://dx.doi.org/10.1155/2016/8297407
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author Diego F. Wyszynski
Wendy J. Carman
Alan B. Cantor
John M. Graham
Liza H. Kunz
Anne M. Slavotinek
Russell S. Kirby
John Seeger
author_facet Diego F. Wyszynski
Wendy J. Carman
Alan B. Cantor
John M. Graham
Liza H. Kunz
Anne M. Slavotinek
Russell S. Kirby
John Seeger
author_sort Diego F. Wyszynski
collection DOAJ
description Objective. To examine pregnancy and birth outcomes among women with idiopathic thrombocytopenic purpura (ITP) or chronic ITP (cITP) diagnosed before or during pregnancy. Methods. A linkage of mothers and babies within a large US health insurance database that combines enrollment data, pharmacy claims, and medical claims was carried out to identify pregnancies in women with ITP or cITP. Outcomes included preterm birth, elective and spontaneous loss, and major congenital anomalies. Results. Results suggest that women diagnosed with ITP or cITP prior to their estimated date of conception may be at higher risk for stillbirth, fetal loss, and premature delivery. Among 446 pregnancies in women with ITP, 346 resulted in live births. Women with cITP experienced more adverse outcomes than those with a pregnancy-related diagnosis of ITP. Although 7.8% of all live births had major congenital anomalies, the majority were isolated heart defects. Among deliveries in women with cITP, 15.2% of live births were preterm. Conclusions. The results of this study provide further evidence that cause and duration of maternal ITP are important determinants of the outcomes of pregnancy.
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spelling doaj-art-b23b6696a8c24f56838d0a4ba16b86c12025-08-20T03:39:26ZengWileyJournal of Pregnancy2090-27272090-27352016-01-01201610.1155/2016/82974078297407Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic PurpuraDiego F. Wyszynski0Wendy J. Carman1Alan B. Cantor2John M. Graham3Liza H. Kunz4Anne M. Slavotinek5Russell S. Kirby6John Seeger7Pregistry, Los Angeles, CA 90045, USAEpidemiology, OptumInsight, Waltham, MA 02451, USAChildren’s Hospital Boston, Boston, MA 02115, USAMedical Genetics Institute, Cedars Sinai Medical Center, Los Angeles, CA 90048, USAPalo Alto Medical Foundation, Mountain View, CA 94040, USADepartment of Pediatrics, Division of Genetics, University of California, San Francisco, San Francisco, CA 94115, USACollege of Public Health, University of South Florida, Tampa, FL 33612, USAEpidemiology, OptumInsight, Waltham, MA 02451, USAObjective. To examine pregnancy and birth outcomes among women with idiopathic thrombocytopenic purpura (ITP) or chronic ITP (cITP) diagnosed before or during pregnancy. Methods. A linkage of mothers and babies within a large US health insurance database that combines enrollment data, pharmacy claims, and medical claims was carried out to identify pregnancies in women with ITP or cITP. Outcomes included preterm birth, elective and spontaneous loss, and major congenital anomalies. Results. Results suggest that women diagnosed with ITP or cITP prior to their estimated date of conception may be at higher risk for stillbirth, fetal loss, and premature delivery. Among 446 pregnancies in women with ITP, 346 resulted in live births. Women with cITP experienced more adverse outcomes than those with a pregnancy-related diagnosis of ITP. Although 7.8% of all live births had major congenital anomalies, the majority were isolated heart defects. Among deliveries in women with cITP, 15.2% of live births were preterm. Conclusions. The results of this study provide further evidence that cause and duration of maternal ITP are important determinants of the outcomes of pregnancy.http://dx.doi.org/10.1155/2016/8297407
spellingShingle Diego F. Wyszynski
Wendy J. Carman
Alan B. Cantor
John M. Graham
Liza H. Kunz
Anne M. Slavotinek
Russell S. Kirby
John Seeger
Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic Purpura
Journal of Pregnancy
title Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic Purpura
title_full Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic Purpura
title_fullStr Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic Purpura
title_full_unstemmed Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic Purpura
title_short Pregnancy and Birth Outcomes among Women with Idiopathic Thrombocytopenic Purpura
title_sort pregnancy and birth outcomes among women with idiopathic thrombocytopenic purpura
url http://dx.doi.org/10.1155/2016/8297407
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