Clinical trials: Doppler Ultrasound
Intrauterine Growth Restriction, Small-for-gestational Age
Ultrasound Evaluation of Fetal Hemodynamics and Perinatal Complications
In case of fetal weight below the 10th centile for gestational age, it is important to distinguish SGA and IUGR. SGA is defined as a fetal weight below the 10th centile.
- Trial name
- PTI'DOP (NCT03865628)
- Volunteers
- 1,200 people
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Breast Cancer, Breast Neoplasm
Effects of Raloxifene on the Uterus and Ovaries of Premenopausal Patients
This research study is designed to work in cooperation with another study being conducted by the National Cancer Institute. The National Cancer Institute (NCI) is studying the effects of a drug called raloxifene on premenopausal…
- Trial name
- NCT00001837
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- National Institutes of Health Clinical Center (CC)
Head Injury, Intracerebral Hemorrhage
The Prediction of Intracranial Pressure and Clinical Outcome by Transcranial Doppler in Neurocritical Patients
The purpose of this study is to use transcranial Doppler (TCD) to predict intracranial pressure (ICP) and clinical outcome of neurocritical patients.
- Conditions
- Head Injury, Intracerebral Hemorrhage, Ischemic Stroke, Subarachnoid Hemorrhage
- Trial name
- NCT00886054
- Where
- Taiwan
- Volunteers
- 30 people
- Sponsor
- National Taiwan University 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
Trancranial Doppler
Transcranial Ultrasound and Transcranial Doppler in Diagnosis and Detection of Outcome in Infants With Neurological Diseases
To evaluate the accuracy of transcranial ultrasound in detection of brain pathology in infants with neurological diseases and value of transcranial Doppler in evaluation of intracerebral blood flow in comparison with other…
- Trial name
- NCT06352931
- Testing
- transcranial and transcranial dopp;er
- Volunteers
- 50 people
- Sponsor
- Assiut University
Necrotizing Enterocolitis
Ultrasound, Doppler ,and Calprotectin in Necrotizing Enterocolitis Diagnosis
Necrotizing enterocolitis continues to be a disease that is associated with significant morbidity and mortality in premature infants due to advances in neonatal intensive care that increase the survival rate of extremely low…
- Trial name
- NCT03257553
- Testing
- fecal calprotectin , doppler and ultrasound
- Volunteers
- 50 people
- Sponsor
- Assiut University
Cerebral Vasospasm
Stellate Ganglion Block Using Ultrasound Guidance For Treatment Of Post Clipping Cerebral Vasospasm
The present study has been designed to assess the efficacy and safety of Stellate Ganglion Block (SGB) in relieving symptomatic cerebral vasospasm following aneurysmal clipping.
- Trial name
- NCT02775318
- Testing
- Stellate Ganglion Block, Bupivacaine, Transcranial Doppler
- Volunteers
- 20 people
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Partial Drug-resistant Epilepsy
High Resolution Imaging of Cerebral Vasculature by Functional Micro-Doppler Sonography During Brain Surgery
High Resolution Imaging of Cerebral Vasculature by Functional Micro-Doppler Sonography During Brain Surgery (ULYS)
- Trial name
- ULYS (NCT02090569)
- Testing
- Functional micro-Doppler Sonography (fmDS)
- Where
- France
- Volunteers
- 3 people
- Sponsor
- Centre Hospitalier St Anne
Graves' Disease
Assessment of Thyroid Doppler Ultrasound in Followup of Pediatric Graves' Disease
All cases of the study will be diagnosed as Graves' by History, examination, laboratory (FT3, FT4, TSH \& TRAbs), X-ray on left wrist for bone age, neck grey scale ultrasonography for thyroid gland size, shape, echotexture…
- Trial name
- NCT06357494
- Volunteers
- 32 people
- Sponsor
- Assiut University
Hemodynamic Monitoring
Evaluation of the UltraTrac System as a Non-Invasive Monitor of Hemodynamic Parameters
This study will test the use of the UltraTrac™ system, a small, noninvasive device that uses electrodes on the skin and a small ultrasound sensor to provide measurements of cardiac function in a wide of subjects.
- Trial name
- NCT07862608
- Testing
- Noninvasive Hemodynamic Monitoring System
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- AcQumen Medical, Inc.
Tibial Fracture
Doppler Ultrasonography Evaluation of Tibial Fracture Site Vascularity
The purpose of this study is to evaluate the blood supply to patients that are suffering from fracture in the tibia by UltraSound Doppler.
- Trial name
- NCT00365573
- Where
- Israel
- Volunteers
- 30 people
- Sponsor
- Hadassah Medical Organization
Premature, Necrotizing Enterocolitis
Intestinal Perfusion After Feeding in Preterm and Term Infants
This is a pilot exploratory observational prospective cohort phase I study. In this study, we will gather preliminary data to evaluate (i) the magnitude of changes in blood flow in the bowel before and after feeding and (ii) the…
- Trial name
- NCT06319326
- Testing
- Evaluation of intestinal perfusion with color Doppler abdominal ultrasound before and after feeding.
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Fetal Growth Retardation, Stillbirth
Prediction of Late Fetal Growth Restriction Using Cerebroplacental Ratio
To investigate the screening performance of CPR and biophysical profile score for the prediction of composite of adverse neonatal morbidity and mortality and operative delivery (CS or instrumental) for intrapartum fetal distress…
- Conditions
- Fetal Growth Retardation, Stillbirth, Neonatal Respiratory Failure, Neonatal Death
- Trial name
- NCT04640467
- Testing
- Biophsical profile, Cerebroplacental ratio
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Assiut University
Sickle Cell Disease
Haploidentical Stem Cell Transplant for Patients With Sickle Cell Disease and Prior Stroke or Abnormal Transcranial Ultrasound
Sickle cell disease is a life-long blood condition that can cause damage to the brain and other organs of the body. Children may develop severe, debilitating clinical states, with stroke or abnormal blood flow to the brain.
- Trial name
- NCT00152113
- Testing
- Hematopoietic Stem Cell Transplantation, CliniMACS, See intervention description
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- St. Jude Children's Research Hospital
Anesthesia
Pediatric Radial Arterial Cannulation
This prospective randomized study was designed to compare ultrasound guided technique with Doppler assisted technique for radial arterial cannulation in infant and small children.
- Trial name
- NCT01276158
- Testing
- Ultrasound, Doppler
- Where
- United States
- Volunteers
- 104 people
- Sponsor
- University of Iowa
Mass of Soft Tissue
Doppler Ultrasound in Characterization of Superficial Soft Tissue Masses
A wide variety of superficial soft tissue masses may be seen in clinical practice. Superficial soft tissue masses can generally be categorized as mesenchymal tumors, skin appendage lesions, metastatic tumors, other tumors and…
- Trial name
- NCT03171857
- Volunteers
- 40 people
- Sponsor
- Assiut University
Salivary Gland Diseases
Role of US,Doppler in Major Salivary Gland Diseases
To evaluate the role of gray scale and Doppler ultrasound in characterizing of parotid and submandibular gland lesions in comparison to biopsy if needed
- Trial name
- NCT03746730
- Testing
- ultrasound
- Volunteers
- 40 people
- Sponsor
- Assiut University
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)
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
Cardiovascular Infections, Peripheral Vascular Disease
Placement of Peripherally Inserted Central Venous Catheters (PICC) in Children Guided by Ultrasound
Aimed to compare the success in the peripheral intravenous puncture (PIP), progression and placement of PICC in children, according to the use of Doppler vascular ultrasound (DVUS) or traditional method; to identify the influence…
- Trial name
- NCT01279642
- Testing
- ultrasound, traditional puncture
- Where
- Brazil
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo