Stopped: Lapsed Authorization (no patient)
Placental accretion during pregnancy refers to an abnormally deep insertion of the placenta into the uterus, leading to the impossibility of removing the placenta without inducting uterine or surrounding organs lesions. The management of these patients is complex, with two options during caesarean section: hysterectomy or uterine conservative surgery in which the placenta is let in the uterine cavity. These are both at risk of complications, including severe hemorrhage. High Intensity Focused Ultrasound (HIFU) principle is based on the focusing of ultrasonic waves in a focal zone causing a rapid rise in temperature in the targeted area. This focus results in the creation of a coagulation necrosis tissue lesion. This procedure is guided in real time by an integrated ultrasound imaging cell. The investigators hypothesized that HIFU shots would accelerate the process of placental involution when the placenta is let in the uterine cavity, increasing the chances of uterine preservation and reducing the infectious and hemorrhagic risks in the short and medium term. The aim of this study is to confirm the feasibility and safety of the use of HIFU as a per-caesarean adjuvant treatment for management of placenta accrete let in the uterus for a conservative treatment.
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Success of HIFU per-caesarean shots
Timeframe: Up to 30 days after procedure