Clinical trials: Ultrasound Doppler
Cardiac Output
Validation of CardioQ Versus PiCCO in Children
To compare the less invasive Oesophageal Doppler cardiac output Monitor (ODM) to the invasive (standard of care) Transpulmonary Thermodilution cardiac output monitor (TPTD) in children.
- Trial name
- CQPiCCO (NCT03172689)
- Testing
- CardioQ
- Where
- Netherlands
- Volunteers
- 11 people
- Sponsor
- Radboud University Medical Center
Diagnostic Value, Transcranial Doppler Ultrasound
Diagnostic Value of Transcranial Doppler Ultrasound for Evaluating Neonatal Craniocerebral Injuries
This study aims to evaluate the diagnostic value of transcranial Doppler ultrasonography (TCD) for evaluating neonatal craniocerebral injuries.
- Conditions
- Diagnostic Value, Transcranial Doppler Ultrasound, Neonatal Craniocerebral Injuries
- Trial name
- NCT07322315
- Testing
- Transcranial Doppler ultrasound
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Kafrelsheikh University
Infant, Very Low Birth Weight, Infant, Premature, Diseases
Regulation of Cerebral Blood Flow in Very Low Birth Weight Infants
Advances in newborn intensive care have lead to dramatic improvements in survival for the most premature infants-often weighing 1 pound at birth.
- Conditions
- Infant, Very Low Birth Weight, Infant, Premature, Diseases, Cerebral Hemorrhage
- Trial name
- NCT00579943
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- University of Arkansas
Aortic Stenosis
Microembolic Signals and Serum Markers of Neuronal Damage During Transcatheter Aortic Valve Implantation.
Transcatheter Aortic Valve Implantation (TAVI) using femoral access is an option for definitive treatment of aortic stenosis when open-heart surgery is considered inappropriate.
- Trial name
- NCT01237743
- Testing
- Transcatheter aortic valve implantation.
- Where
- Sweden
- Volunteers
- 21 people
- Sponsor
- Sahlgrenska University Hospital
Sickle Cell Disease, Stroke
Primary Prevention of Stroke in Children With Sickle Cell Anaemia in Nigeria in the Community
The overall goal of this feasibility study is to establish a standard of care stroke prevention program for children with sickle cell anemia in a community hospital by task shifting stroke detection and transcranial Doppler…
- Trial name
- SPRING-COM (NCT05434000)
- Testing
- Hydroxyurea
- Where
- Nigeria
- Volunteers
- 217 people
- Sponsor
- Barau Dikko Teaching Hospital
Umbilical Doppler
Correlation Between Umbilical Resistance Index and Fetal Growth
The aim of our study was to investigate the correlation between the umbilical resistance index and weight gain during the third trimester of low-risk pregnancies.
- Trial name
- NCT02842346
- Testing
- ultrasonography
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University Tunis El Manar
Varicocelectomy, Doppler
Color Doppler in Varicocelectomy in Infertile Patient
To evaluate the long-term effects of varicocelectomy on testicular arterial flow via Color Doppler Sonography Parameters; The arterial flow velocities (peak systolic velocity [PSV] and end diastolic velocity [EDV]) and the…
- Trial name
- NCT03750370
- Testing
- Doppler ultrasound
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Assiut University
Neonatal Resuscitation
Doppler Ultrasound Compared With Stethoscope to Assess Heart Rate (HR)
This is a prospective randomized controlled trial comparing heart rate measurement by Doppler ultrasound or auscultation with a stethoscope in newborn infants who require stabilization or resuscitation immediately after birth.
- Trial name
- NCT04242654
- Testing
- Handheld fetal doppler ultrasound
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Columbia University
Sickle Cell Disease
Aspirin Prophylaxis in Sickle Cell Disease
Neurologic complications secondary to cerebrovascular damage are prevalent in children with sickle cell disease. These patients experience both clinically overt cerebrovascular accidents and "silent infarctions" demonstrated by…
- Trial name
- START (NCT00178464)
- Testing
- aspirin
- Volunteers
- 11 people
- Sponsor
- University of Rochester
Premature Birth
Study on the Development of Neonatal Cerebral Blood Flow Based on Ultrafast Ultrasound Doppler Imaging
Recently, with the development of perinatal medicine in China, the establishment of neonatal intensive care unit (NICU) and the improvement of respiratory support technology, the survival rate of preterm and term neonates has…
- Trial name
- NCT05761548
- Testing
- ultrafast ultrasound power Doppler imaging
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Peking University Third Hospital
Preeclampsia, Intrauterine Growth Restriction
First Trimester Placental Assessment in the Screening of Preeclampsia and Intrauterine Growth Restriction
Preeclampsia (PE) and intrauterine growth restriction (IUGR) are clinical manifestations of placental insufficiency. These complications affect 5-15% of pregnancies, and are responsible for up to 20% of preterm births.
- Trial name
- NCT02879942
- Testing
- Ultrasound study of the placenta, Measurement of angiogenic and anti-angiogenic factors (sFlt-1 and PlGF) in the first trimestre blood test
- Where
- Spain
- Volunteers
- 1,390 people
- Sponsor
- Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Inflammatory Bowel Diseases
Abdominal Ultrasound With Doppler and Peripheral Hemogram in Assesment Inflammatory Bowel Disease
assessment of inflammatory bowel disease patients in activity and remission by abdominal ultrasound examine non-invasive and in physiological condition by measuring the colon wall thickness in diagnosis and follow up the patient…
- Trial name
- NCT03445624
- Testing
- Infliximab
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Assiut University
Hemodynamic Monitoring
UltraTrac Clinical Pilot Study
This single-center pilot study will evaluate the accuracy and feasibility of non-invasive cardiac output measurement using the UltraTrac device in pediatric patients aged 0-21 years undergoing standard-of-care diagnostic cardiac…
- Trial name
- ULTRA-CO (NCT07864714)
- Testing
- Noninvasive Hemodynamic Monitoring System
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- AcQumen Medical, Inc.
Preterm, Patent Ductus Arteriosus
NeoDoppler: New Ultrasound Technology for Continuous Monitoring of Cerebral Circulation Pilot
Non-invasive tools for monitoring of course of disease are important and necessary in the treatment of pre-term/premature infants and sick neonates.
- Conditions
- Preterm, Patent Ductus Arteriosus, Sepsis, Asphyxia
- Trial name
- CE-NeoDoppler (NCT06646250)
- Testing
- NeoDoppler - CE certified
- Where
- Norway
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- St. Olavs Hospital
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
Abnormality in Fetal Heart Rate or Rhythm, Ultrasound
Uterine, Fetal Cerebral Doppler and Oligohydramnios to Predict Abnormal Heart Rate Tracings in Postterm Pregnancies
Objective: To estimate the value of uterine, fetal cerebral Doppler and oligohydramnios to predict abnormal fetal heart rate tracings in pregnancies at or beyond 41 weeks
- Conditions
- Abnormality in Fetal Heart Rate or Rhythm, Ultrasound, Late Pregnancy
- Trial name
- NCT03703037
- Testing
- Ultrasound and Doppler ultrasound
- Where
- Mexico
- Volunteers
- 227 people, healthy volunteers welcome
- Sponsor
- Hospital Universitario Dr. Jose E. Gonzalez
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
Trauma Patients With Soft Tissue Defects
Posterior Tibial Artery Perforator-Pedicled Propeller Flaps in Reconstruction
Soft tissue defects in the lower leg remain a challenge for surgeons due to frequent bone exposure and paucity of soft tissues. The goal in this study was to evaluate the surgical technique and clinical significance of posterior…
- Trial name
- NCT06885892
- Testing
- Posterior Tibial Artery Perforator-Pedicled Propeller Flaps, Perforator-Pedicled Propeller Flaps
- Where
- China
- Volunteers
- 14 people
- Sponsor
- The Affiliated Hospital of Xuzhou Medical University
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
Insuffeciency of the Suprarenal Gland
Ultrasonographical of Suprarenal Gland in High Risk Neonates
Observation study The aim is to study the suprarenal blood flow among high-risk neonates and its relation to the risk factors
- Trial name
- USSGneonates (NCT06575504)
- Testing
- Ultrasonographical examination
- Where
- Egypt
- Volunteers
- 105 people
- Sponsor
- Al-Azhar University