Fetal Blood Flow Response to Partial Occlusion by External Compression

NCT01816737 | Unknown

• 2 other identifiers: MMC13191-12CTIL0191-12-MMC
• Study Type: observational
• Target: 50
• Locations: 0 countries
• Sites: N/A

Brief Summary

Two earlier studies showed measurable fetal hemodynamics changes caused by external pressure induced by te abdominal ultrasound transducer. The investigators would like to study the response of flow in main fetal vessels to different, mild to moderate pressures induced by the abdominal transducer. The pressure induced by the transducer will be measured by a digital computed manometer. The flow chances in fetal vessels will be measured by ultrasound Doppler. Measurements will be taken on different pregnancy weeks, on one occasion in each pregnant woman. Ones without applying transducer pressure (control) and ones after applying mild pressure.

Conditions

Gestational Age

Outcome Measures

Primary Outcomes (1)

• pulsatility index in fetal vessels

  at the time of pressure aplication

Eligibility Criteria

• Age: 18 Years - 45 Years
• Sex: female
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)
• Sampling Method: Probability Sample

Study Population

pregnant women

You may qualify if:

• singleton

You may not qualify if:

• multiple gestation

Sponsors & Collaborators

• Meir Medical Center: lead

Study Design

• Study Type: observational
• Observational Model: CASE CONTROL
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: March 20, 2013
• First Posted: March 22, 2013
• Study Start: March 1, 2013
• Primary Completion: October 1, 2013
• Last Updated: March 22, 2013

Record last verified: 2013-03