Clinical trials: Ultrasound Doppler
First Trimester Bleeding, Pregnancy
Early Pregnancy Evaluation by Three-Dimensional Ultrasound
Early pregnancy is associated with numerous physiologic alterations - many of which are required to establish normal pregnancy outcome.
- Trial name
- NCT00342290
- Where
- 2 sites in United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Infantile Hemangioma
Optimizing Timolol Maleate Treatment of Infantile Hemangioma by Doppler Ultrasound Examination
The purpose of this study is to assess the safety and efficacy of Timolol Maleate treatment for different depth of infantile hemangioma based on B-ultrasonography.
- Trial name
- NCT03842631
- Testing
- Timolol Maleate 0.5% Oph Soln
- Where
- China
- Volunteers
- 150 people
- Sponsor
- XiaoXi Lin
Anemia of Prematurity
Near-Infrared Spectroscopy and Cranial Doppler in Premature Newborns With Anemia
It is aimed in this study to examine the changes in brain blood supply and oxygenation in neonatal premature babies who have anemia and who underwent erythrocyte suspension transfusion in the light of original guidelines by means…
- Trial name
- NCT04509375
- Testing
- Cranial Doppler Ultrasonography, Near-Infrared Spectroscopy
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Hacettepe University
Abnormal Uteroplacental Circulation
Study on Doppler Ultrasound Measurement of Changes in Uterine Artery Blood Flow in Normal First Trimester Pregnancies and Its Prediction on Abortion
Objective:To explore the study of Doppler ultrasound in first trimester pregnancies to measure the change of uterine artery blood flow in normal pregnancies and the prediction on abortion, which provides a certain reference for…
- Trial name
- NCT06043804
- Testing
- Doppler ultrasound measurement of changes in uterine artery blood flow
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Portal Vein, Hepatic Veins
Ultrasound Measurements of Hepatic Vasculatures and Hepatic Doppler Assessment of Healthy Children
Flow dynamics in the liver is altered in different hepatobiliary and cardiac pathologies, causing changes in hepatic vasculatures sizes and flow pattern changes which can be assessed by ultrasound (USG) study.
- Conditions
- Portal Vein, Hepatic Veins, Hepatic Artery, Liver Circulation
- Trial name
- NCT04619966
- Where
- Hong Kong
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Hong Kong Children's Hospital
Growth Hormone Deficiency, Small-for-gestational Age
Growth and Asymmetric diMethylArginine
Principal objective : Validation of a handy biochemical parameter, plasma concentration of Asymmetric DimethylArginine (ADMA), based on a recognize biochemical parameter, the dilation of the brachial artery, at ultrasound…
- Trial name
- GAMMA (NCT03422081)
- Testing
- arterial doppler ultrasound
- Where
- 2 sites in France
- Volunteers
- 23 people
- Sponsor
- University Hospital, Lille
Placenta Accreta
Early Prediction of Placenta Accreta by Ultrasound and Color Doppler
Placenta accreta is a substantially life threatening condition and one of the causes of maternal morbidity and mortality in the world.
- Trial name
- NCT03032770
- Testing
- two-dimensional ultrasound and color Doppler
- Where
- Egypt
- Volunteers
- 148 people
- Sponsor
- Assiut University
Pulmonary Hypertension
Measurements and Characterization of Doppler Signals From the Right Chest in Pediatric and Adult Patients
Recently it has been shown that clear reproducible Doppler signals can be recorded from the lung parenchyma by means of a pulsed Doppler ultrasound system incorporating a special signal processing package parametric Doppler, TPD…
- Trial name
- NCT01913457
- Testing
- Ultrasound Doppler
- Where
- 2 sites in United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Echosense Ltd.
Miscarriage
Could Colour Dopper Improve the Diagnosis of Retained Placental Fragments After Second Trimester Miscarriage ?
Value of pelvi- abdominal ultrasound and Doppler in diagnosis of retained products of conception after second trimester miscarriage to select who will benefit from surgical evacuations or conservative management.
- Trial name
- NCT02419300
- Testing
- ultrasoungraphy
- Where
- Egypt
- Volunteers
- 82 people
- Sponsor
- Ain Shams University
Portal Hypertension
Evaluation Of The Portal Pressure By Doppler Ultrasound In Cirrhotic Patients Before And After Simvastatin
Portal hypertension is not a disease in itself. Rather, it is an indication of an illness, caused mostly by chronic lesions of the liver because of distinct causes, such as viral infection, chronic alcoholism, or metabolic…
- Trial name
- NCT02994485
- Testing
- Simvastatin
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Tanta University