Clinical trials: Doppler
Kidney Failure, Arteriovenous Shunt
Maximizing Native Arteriovenous Fistulae Rates.
The purpose of our study is to compare physical examination alone to color Doppler ultrasonography (CDUS) vascular mapping and physical examination in terms of outcomes of vascular access and long-term patency.
- Conditions
- Kidney Failure, Arteriovenous Shunt, Hemodialysis
- Trial name
- NCT02705417
- Testing
- preoperative color Doppler ultrasonographic vascular mapping, physical examination, medical history
- Volunteers
- 136 people
- Sponsor
- Medifil AE
Hypoxic Ischaemic Encephalopathy (HIE)
Effect of Citicoline on Neurological Severity Score and Cerebral Doppler Resistive Index in Neonatal Hypoxic Ischemic Encephalopathy
To determine the efficacy of citicoline in improving cerebral blood flow parameters and neurological status among neonates with hypoxic-ischemic encephalopathy using Doppler resistive index and Sarnat-Sarnat score after 72 hours…
- Trial name
- NCT07763145
- Testing
- Citicoline, Standard medical treatment
- Where
- Pakistan
- Volunteers
- 86 people
- Sponsor
- Khyber Girls Medical College
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
Sickle Cell Disease
Arterial Function Parameters and Transcranial Doppler Velocity in Paediatric Patients With Sickle Cell Disease
Structural and functional changes in arteries are increasingly being recognized as significant features of sickle cell disease. This study aims to determine whether there are differences in arterial function parameters between…
- Trial name
- AFAT (NCT05748717)
- Where
- Jamaica
- Volunteers
- 34 people
- Sponsor
- The University of The West Indies
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.
Pre-Eclampsia
Predictors of Intrauterine Growth Restriction
The main objectives of modern antenatal care programs are to identify high risk pregnancies then to predict any possibility of adverse pregnancy outcome as early as possible.
- Trial name
- NCT03349671
- Testing
- ultrasound
- Where
- Egypt
- Volunteers
- 300 people
- Sponsor
- Assiut University
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
Breastfeeding
Uterine Artery Doppler Changes Prior and After Breastfeeding
We aim to determine whether there are any differences in the UtA doppler measurements in postpartum women prior and right after breastfeeding.
- Trial name
- NCT03701633
- Testing
- Postpartum ultrasound
- Where
- Israel
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
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
Hypoxic Encephalopathy, Birth Asphyxia
Passive Cooling Versus Blanket-Roll III on The Myocardial Function of Asphyxiated Neonates
Studying the effect of passive versus Blanket roll III modality of therapeutic hypothermia (TH)on myocardial function of asphyxiated neonates through using tissue Doppler (TD).
- Conditions
- Hypoxic Encephalopathy, Birth Asphyxia, Neonatal Encephalopathy, Hypothermia, Newborn
- Trial name
- NCT05652738
- Testing
- Passive cooling application, cooling using Blanket roll III
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Alexandria University
Sickle Cell Anemia, Sickle Cell Disease
Sickle Cell Disease - Stroke Prevention in Nigeria Trial
Given large absolute numbers of individuals with sickle cell disease in Nigeria, hydroxyurea therapy for all individuals with sickle cell disease may not be initially feasible; however, a targeted strategy of hydroxyurea use for…
- Conditions
- Sickle Cell Anemia, Sickle Cell Disease, Stroke
- Trial name
- SPIN (NCT01801423)
- Testing
- Hydroxyurea
- Where
- Nigeria
- Volunteers
- 29 people
- Sponsor
- Vanderbilt University Medical Center