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CC BY-NC-ND 4.0 · Surg J (N Y) 2021; 07(S 01): S20-S27
DOI: 10.1055/s-0041-1728748
Precision Surgery in Obstetrics and Gynecology

Stepwise Treatment for Abnormally Invasive Placenta with Placenta Previa

Seiji Sumigama
1   Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
2   Department of International Medical Education, Nagoya University Graduate School of Medicine, Nagoya, Japan
,
Tomomi Kotani
1   Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan
,
Hiromi Hayakawa
3   Department of Obstetrics, Aichi Children's Health and Medical Center, Obu, Aichi, Japan
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Abstract

Placenta accreta spectrum (PAS) disorder often causes a large amount of intraoperative bleeding in a short period which makes maternal circulation unstable and threatens life. As a countermeasure, two-stage surgery combined with selective uterine arterial embolization (UAE), named “stepwise treatment” was introduced in 2003. At a cesarean section (CS), only the baby is delivered and the placenta is left in situ. The transcatheter angiographic UAE is performed on the operation day, followed by the total hysterectomy on 5 to 7 days after CS. The difficulty in the operative procedures for hysterectomy and the amount of bleeding can be reduced by the added effect of the blood flow interruption by UAE and the uterine involution. Although there are not many indication cases, this is the prudent operation that should be considered for the most severe PAS case such as total placenta increta/percreta with placenta previa.

In this article, the practical procedures and tips of stepwise treatment are described.

Keywords

placenta accreta spectrum - abnormally invasive placenta - placenta previa - modified cesarean hysterectomy - stepwise treatment - uterine arterial embolization - catheter occlusion


Publication History

Article published online:
30 September 2021

© 2021. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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