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Pregnancy outcomes and mid-term prognosis in women after arterial switch operation for dextro-transposition of the great arteries – Tertiary hospital experiences and review of literature.


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Pregnancy outcomes and mid-term prognosis in women after arterial switch operation for dextro-transposition of the great arteries – Tertiary hospital experiences and review of literature.

J Cardiol. 2018 Dec 19;:

Authors: Horiuchi C, Kamiya CA, Ohuchi H, Miyoshi T, Tsuritani M, Iwanaga N, Neki R, Niwa K, Kurosaki K, Ichikawa H, Ikeda T, Yoshimatsu J

Abstract
OBJECTIVE: Arterial switch operation (ASO) for dextro-transposition of the great arteries (d-TGA) has gradually replaced the atrial switch operation and has become the standard operation. To date, the outcomes of pregnant women with d-TGA after this new operation have not been investigated. In this study, we investigated the impact of ASO on pregnant outcomes and mid-term prognosis in women with d-TGA and compared with the atrial switch operation through the literature review.
METHODS AND RESULTS: There were 20 pregnancies in 10 women with d-TGA after ASO and 6 resulted in abortion. Among 14 successful pregnancies in 10 women, 11 pregnancies achieved the term delivery and 3 pregnancies, including 1 twin pregnancy, resulted in preterm labor. Maternal cardiovascular events occurred in 4 (heart failure and arrhythmias in 3 and arrhythmia in 1), and all were controllable with medications. Risk factors for the peripartum cardiac events were older age at ASO and delivery, and higher concentration of brain natriuretic peptide (BNP) at first trimester (p<0.05). In 7-60 month-follow-up after delivery, no case showed deterioration of functional class and systemic ventricular function. According to the literature review, women after ASO demonstrated a better prognosis than those after the atrial switch operation.
CONCLUSIONS: The majority of women with d-TGA after ASO tolerated pregnancy and delivery well. The older age at ASO, an elderly pregnancy, and higher BNP levels at the first trimester were possibly risk factors of peripartum cardiovascular events among the group. The literature reviews and this study may indicate the advantage of systemic left ventricle compared with systemic right ventricle in long-term outcomes after delivery.

PMID: 30579805 [PubMed – as supplied by publisher]

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