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Prediction of Uterine Atony After Vaginal Delivery by Elastography

2020-02-17 18:20:55 | BioPortfolio

Summary

Prospective study evaluating the feasibility of shear-wave elastography of the uterus during the third stage of labour and following placental delivery. We hypothesize that the stiffness of the myometrium can be measured by using shear-wave technology. Our study involves 50 patients with a healthy pregnancy and spontaneous vaginal delivery. One co-investigator will carry out measurements at the uterine fundus, at three different time points: after fetal delivery, after placental delivery and 30 minutes after placental delivery.

Study Design

Conditions

Postpartum Hemorrhage

Intervention

Shear wave elastography

Location

University Hospital of Lausanne
Lausanne
Vaud
Switzerland
1011

Status

Active, not recruiting

Source

Centre Hospitalier Universitaire Vaudois

Results (where available)

View Results

Links

Published on BioPortfolio: 2020-02-17T18:20:55-0500

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Medical and Biotech [MESH] Definitions

Excess blood loss from uterine bleeding associated with OBSTETRIC LABOR or CHILDBIRTH. It is defined as blood loss greater than 500 ml or of the amount that adversely affects the maternal physiology, such as BLOOD PRESSURE and HEMATOCRIT. Postpartum hemorrhage is divided into two categories, immediate (within first 24 hours after birth) or delayed (after 24 hours postpartum).

The internal resistance of a material to moving some parts of it parallel to a fixed plane, in contrast to stretching (TENSILE STRENGTH) or compression (COMPRESSIVE STRENGTH). Ionic crystals are brittle because, when subjected to shear, ions of the same charge are brought next to each other, which causes repulsion.

Transient autoimmune thyroiditis occurring in the POSTPARTUM PERIOD. It is characterized by the presence of high titers of AUTOANTIBODIES against THYROID PEROXIDASE and THYROGLOBULIN. Clinical signs include the triphasic thyroid hormone pattern: beginning with THYROTOXICOSIS, followed with HYPOTHYROIDISM, then return to euthyroid state by 1 year postpartum.

Abnormal placentation in which all or parts of the PLACENTA are attached directly to the MYOMETRIUM due to a complete or partial absence of DECIDUA. It is associated with POSTPARTUM HEMORRHAGE because of the failure of placental separation.

A complication of OBSTETRIC LABOR in which the corpus of the UTERUS is forced completely or partially through the UTERINE CERVIX. This can occur during the late stages of labor and is associated with IMMEDIATE POSTPARTUM HEMORRHAGE.

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