Maternal ornithine transcarbamylase deficiency, a genetic condition associated with high maternal and neonatal mortality every clinician should know: A systematic review.

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Citation: American Journal of Medical Genetics. Part A. 179(10):2091-2100, 2019 Oct.PMID: 31441224Institution: MedStar Washington Hospital CenterDepartment: Obstetrics and GynecologyForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: IN PROCESS -- NOT YET INDEXEDYear: 2019ISSN:
  • 1552-4825
Name of journal: American journal of medical genetics. Part AAbstract: Ornithine transcarbamylase deficiency (OTCD) is a rare X-linked urea cycle disorder. Maternal OTCD can lead to life-threatening hyperammonemia if untreated. We aimed to compare the outcomes of maternal OTCD when diagnosis is known prior to pregnancy to when diagnosis is made during pregnancy. We performed a systematic literature review on maternal OTCD using the databases Ovid MEDLINE and PubMed from 1982 through 2018. Studies were included if addressed maternal OTCD signs, symptoms, and detailed pregnancy outcomes. We calculated the median or the mean for continuous variables and percentages for categorical variables. Of 36 cases of maternal OTCD, 20 (55%) were diagnosed prior to pregnancy while 16 (45%) were not. In the 20 patients diagnosed prior to pregnancy, 7 (35%) had either a neurologic or psychiatric presentation during pregnancy or postpartum. Two hyperammonemic patients (11%) experienced ICU admission, dialysis, and coma with no maternal deaths. All had a favorable outcome. In the 16 patients not known to have maternal OTCD prior to pregnancy, 13 (81%) had neurologic or psychiatric presentation during pregnancy or postpartum. Four presented with hyperemesis gravidarum. Eleven (69%) hyperammonemic patients had ICU admission and coma and 7 (47%) of them had dialysis. There were 5 (31%) maternal deaths. Three patients (19%) had prolonged hospitalization course. Overall, three male neonatal deaths were reported. Three other male children had liver transplant. Maternal OTCD is associated with high maternal and neonatal morbidity and mortality when diagnosis is made during pregnancy compared to when diagnosis is known prior to pregnancy. Copyright (c) 2019 Wiley Periodicals, Inc.All authors: Al-Kouatly HB, Baxter JK, Berghella V, Gahl WA, Haddad A, Torkzaban MFiscal year: FY2020Digital Object Identifier: Date added to catalog: 2019-10-10
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Journal Article MedStar Authors Catalog Article 31441224 Available 31441224

Ornithine transcarbamylase deficiency (OTCD) is a rare X-linked urea cycle disorder. Maternal OTCD can lead to life-threatening hyperammonemia if untreated. We aimed to compare the outcomes of maternal OTCD when diagnosis is known prior to pregnancy to when diagnosis is made during pregnancy. We performed a systematic literature review on maternal OTCD using the databases Ovid MEDLINE and PubMed from 1982 through 2018. Studies were included if addressed maternal OTCD signs, symptoms, and detailed pregnancy outcomes. We calculated the median or the mean for continuous variables and percentages for categorical variables. Of 36 cases of maternal OTCD, 20 (55%) were diagnosed prior to pregnancy while 16 (45%) were not. In the 20 patients diagnosed prior to pregnancy, 7 (35%) had either a neurologic or psychiatric presentation during pregnancy or postpartum. Two hyperammonemic patients (11%) experienced ICU admission, dialysis, and coma with no maternal deaths. All had a favorable outcome. In the 16 patients not known to have maternal OTCD prior to pregnancy, 13 (81%) had neurologic or psychiatric presentation during pregnancy or postpartum. Four presented with hyperemesis gravidarum. Eleven (69%) hyperammonemic patients had ICU admission and coma and 7 (47%) of them had dialysis. There were 5 (31%) maternal deaths. Three patients (19%) had prolonged hospitalization course. Overall, three male neonatal deaths were reported. Three other male children had liver transplant. Maternal OTCD is associated with high maternal and neonatal morbidity and mortality when diagnosis is made during pregnancy compared to when diagnosis is known prior to pregnancy. Copyright (c) 2019 Wiley Periodicals, Inc.

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