Utility of MRI With Doppler Ultrasound Gating for Advanced Fetal Monitoring

The Hospital for Sick Children3 enrolled

Overview

We will test an ultrasound device that uses sound waves to detect the fetal heart beat, and use this device to tell the MRI scanner when to collect pictures of the fetal heart. This will help freeze motion of the fetal heart, to make MRI pictures sharper. This will be important for assessing human fetal heart disease, an active area of research at our institution.

Study Type

INTERVENTIONAL

Allocation

Purpose

DEVICE_FEASIBILITY

Masking

NONE

Enrollment

Conditions

Congenital Heart Disease

Interventions

SMART-SYNC LM03DEVICE

Doppler ultrasound cardiac gating device for fetal MRI application

Eligibility

Sex: FEMALEMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * pregnant adults (age 18 and up) with fetus affected by congenital heart disease * singleton pregnancy in their 2nd and 3rd trimesters * scheduled for a clinical fetal ultrasound examination at the Fetal Echocardiography Clinic at SickKids Exclusion Criteria: * claustrophobia * cardiac pacemaker * non-MRI compatible implants * non-singleton pregnancy * obesity (BMI \> 30)

Locations (1)

The Hospital for Sick Children

Toronto, Ontario, Canada

Outcomes

Primary Outcomes

Comparison between fetal MRI and fetal echocardiography

Anatomic MR images of the fetal heart will be acquired using prospective gating information from the Doppler ultrasound probe (SMART-SYNC LM03) and used to calculate ejection fraction. These values will be compared with corresponding reference values obtained during the patient's visit to the Fetal Echocardiography Clinic.

Time frame: within 2 weeks of participation in the study

Data from ClinicalTrials.gov

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