Placental angioarchitecture in monochorionic twin pregnancies with twin-twin transfusion syndrome. Perinatal outcomes


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Objective. To investigate the role of arteriovenous (AV), arterioarterial (AA) and venovenous (VV) anastomoses in the development and progression of twin-twin transfusion syndrome (TTTS). Material and methods. Seventy-four patients with TTTS underwent laser photocoagulation of placental anastomoses. The number and types of anastomoses were analyzed. The patients were divided into 2 groups based on perinatal outcomes: group 1 (n = 54) with at least one surviving twin and group 2 (n = 20) with no surviving twins. The imbalance in blood flow between the twins was evaluated. Results. The number of large AA and VV anastomoses in the two groups was not significantly different, but they differed in the number of large AV anastomoses (p = 0.03). Conclusion. In patients with TTTS, the presence of more than three AV placental anastomoses predicts adverse perinatal outcomes. A A and VV anastomoses do not play a protective role and are not associated with TTTS severity.

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Sobre autores

Andrei Bugerenko

Lomonosov Moscow State University

Email: jeddit@yandex.ru
PhD, associate professor, Department of Obstetrics and Gynecology, Faculty of Fundamental Medicine

Dar’ya Sukhanova

Lomonosov Moscow State University

Email: dashenka-sukhanova@yandex.ru
PhD student, Department of Obstetrics and Gynecology, Faculty of Fundamental Medicine

Yakov Donchenko

Lomonosov Moscow State University

Email: jacob8264@gmail.com
clinical resident, Department of Obstetrics and Gynecology, Faculty of Fundamental Medicine

Olga Panina

Lomonosov Moscow State University

Email: olgapanina@yandex.ru
MD, professor, Department of Obstetrics and Gynecology, Faculty of Fundamental Medicine

Lali Sichinava

N.I. Pirogov Russian National Research Medical University of Minzdrav of Russia

Email: lalisichinava@gmail.com
MD, professor, Department of Obstetrics and Gynecology, pediatric faculty

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