Clinical trials: Blood Flow Velocity
Concussion
Vascular Assessment of Regulation Index Arrays Registry
The objective of this patient registry is to collect and analyze physiological data associated with baseline and brain injury identified in standard clinical practice (Normal Values, Recovery Curves, Correlation between Symptoms…
- Trial name
- VARIA (NCT02435082)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- NeuroChaos Solutions, Inc.
Choroidal Neovascularization
Bevacizumab Effect on Blood Velocity
Retinal blood flow velocity is affected by Bevacizump intravitreal injection. This effect is correlated to treatment success.
- Trial name
- NCT01298440
- Where
- Israel
- Volunteers
- 12 people
- Sponsor
- Optical Imaging, Ltd.
Cerebral Oxygen Saturation,MCA Velocity,Intraoperative Neurological Symptoms During Carotid Endarterectomy
Middle Cerebral Artery Velocity and Oxygen Saturation of the Brain During Carotid Endarterectomy
The primary endpoint of our study is to determine whether neurological symptoms (aphasia, paresis, loss of consciousness, numbness) occur after clamping the internal carotid artery, and if so, changes showed by transcranial…
- Trial name
- NCT02665104
- Testing
- transcranial Doppler (TCD) and INVOS monitor
- Where
- 2 sites in Hungary
- Volunteers
- 100 people
- Sponsor
- University of Debrecen
Cerebral Blood Flow
Cerebral Blood Flow Velocity Changes During Laparoscopic Surgery
Little is known about how implementation of pneumoperitoneum contributes to cerebral blood flow in pediatrics. We investigated this question in patients undergoing laparoscopic surgery, hypothesizing that cardiorespiratory…
- Trial name
- NCT04291326
- Testing
- Transfontanelle ultrasound
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Seoul National University Hospital
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
Cerebral Lesion
Internal Carotid Artery Blood Flow in Infants With Prone Position
Little is known about how implementation of prone position contributes to general anesthesia-induced decrease in cerebral blood flow in infants.
- Trial name
- NCT05391282
- Testing
- ultrasound assessment
- Where
- South Korea
- Volunteers
- 20 people
- Sponsor
- Seoul National University Hospital
Magnetic Resonance Imaging, Tetralogy of Fallot
4D Velocity Mapping of the Heart in rTOF Patients
MRI with 4D flow permits to assess the hemodynamic parameters in a parent vessel and its branches inside the same sequence.
- Trial name
- CARDIOFLUX (NCT02980614)
- Testing
- 4D flow imaging
- Where
- France
- Volunteers
- 21 people
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Carotid Artery, Internal
Internal Carotid Artery Blood Flow in Pediatric Moyamoya Patients
Little is known about how general anesthesia-induced decrease in cerebral blood flow in pediatric moyamoya pateints. We investigated this question in patients undergoing moyamoya surgery, hypothesizing that cardiorespiratory…
- Trial name
- NCT04134221
- Testing
- Ultrasound assessment
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Seoul National University Hospital
Fluid Responsiveness
Study About Predicting Fluid Responsiveness in Children Undergoing Neurosurgery
The purpose of this study is to evaluate static and dynamic parameters, echocardiographic parameters, and pleth variability index for predicting fluid responsiveness in children.
- Trial name
- NCT01364103
- Testing
- volume expansion
- Where
- 2 sites in South Korea
- Volunteers
- 33 people
- Sponsor
- Seoul National University Hospital
Critical Illness, Pediatric Critical Illness
Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children
This study uses a non-invasive (external) ultrasound test called Transcranial Doppler (TCD) to measure how blood flows through the major arteries of the brain of children receiving care in the Pediatric Intensive Care Unit…
- Conditions
- Critical Illness, Pediatric Critical Illness, Respiratory Failure, Traumatic Brain Injury
- Trial name
- NCT07613918
- Testing
- Transcranial Doppler
- Where
- United States
- Volunteers
- 125 people
- Sponsor
- University of Wisconsin, Madison
Cerebral Blood Flow
Cerebral Blood Flow Using Transfontanelle Ultrasound
We planned to evaluate cerebral blood flow and its association with age, blood pressure, and end tidal carbon dioxide in small pediatric using transfontanelle ultrasound during general anesthesia.
- Trial name
- NCT04070339
- Testing
- transfontanelle ultrasound
- Where
- South Korea
- Volunteers
- 200 people
- Sponsor
- Seoul National University Hospital
Anemia of Prematurity
The Effect of Blood Transfusion on Blood Flow to the Intestines of Premature Infants
The purpose of the study is to see if a blood transfusion changes how fast blood flows to the intestines of a premature baby. Blood flow is measured by an ultrasound test.
- Trial name
- NCT00167388
- Testing
- feed during blood transfusion
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- University of Pittsburgh
Shock Circulatory, Cardiogenic Shock
Left Ventricular Outflow Tract Mean Velocity in Children: a Strong Alternative to Cardiac Index in Pediatric Intensive Care Unit
Objectives: Noninvasive assessment of cardiac index (CI) in pediatric critical ill patient is crucial. Aortic Velocity Time Integral (VTI) valuable in adults, faces age and heart rate variability challenges in pediatrics…
- Trial name
- NCT06837727
- Where
- France
- Volunteers
- 300 people
- Sponsor
- Central Hospital, Nancy, France