Clinical trials: Doppler Ultrasound
Prevention of Hypotension
Point Of Care Ultrasound For Prediction Of Fluid Responsiveness in Off Pump Coronary Artery Bypass Grafting Surgery
To exclude hypovolemia before starting off pump coronary artery grafting surgeries by an efficient and good predictive test. We will assess the sensitivity and specificity of dynamic IVC-derived parameters (dispensability index)…
- Trial name
- NCT05968040
- Testing
- Inferior vena cava diameter measurement by ultrasonography, difference between peak velocities of carotid artery by ultrasound, cardiac output be transthoracic echocardiography
- Volunteers
- 40 people
- Sponsor
- Ain Shams University
Angiopuncture, Dysmenorrhea
Doppler Ultrasound-Guided Angiopuncture for Dysmenorrhea Pain: A Clinical Trial
the study is to evaluated dopplar guided angiopuncture efficacy and safety in patients with dysmenorrhea
- Conditions
- Angiopuncture, Dysmenorrhea, Dopplar Ultrasound
- Trial name
- NCT07176910
- Testing
- conduct angiopuncture on perforator points
- Where
- China
- Volunteers
- 30 people
- Sponsor
- City University of Hong Kong
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
Bilateral Iliac Artery Ligation, Postpartum Hemorrhage
Influence of BIIAL Following PPH on Dorsal Clitoral Artery Blood Flow and FSFI
Dorsal clitoral artery Doppler examinations in women with bilateral internal iliac artery ligation due to postpartum hemorrhage (study group) and age-matched healthy puerperal women were performed regularly in the postoperative…
- Trial name
- NCT02409602
- Testing
- Doppler ultrasonographic examination
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Near East University, Turkey
Medical Device Complication, Brain Injuries
Transcranial Doppler Using Wearable Ultrasound Patch
The main objective of this research is to measure the Doppler signal by the ultrasonic patch. Blood flow measurement is critical for vasospasm, stroke, and embolism monitoring on patients in the ICU or understanding the…
- Conditions
- Medical Device Complication, Brain Injuries, Brain Diseases, Stroke
- Trial name
- TCD (NCT06073145)
- Testing
- conventional transcranial Doppler probe and wearable ultrasound patch.
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Breast Cancer, Upper Extremity Deep Vein Thrombosis, Secondary
Determination of Predictive Value of Echography Doppler Abnormalities
In order to avoid to use a traumatic and iatrogenic examen (phlebography), the purpose of the study is to validate echography doppler in the diagnosis of asymptomatic related catheter related thrombosis.
- Trial name
- CAVECCAS (NCT00714909)
- Where
- France
- Volunteers
- 600 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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
Pheochromocytoma
Non-invasive Evaluation of Fluid Status and Cardiac Output During Operative Treatment of Pheochromcytoma
Non-invasive measurements of cardiac output (CO), systemic vascular resistance (SVR), corrected aortic flow time (FTc) and stroke volume (SV) are useful parameters during laparoscopic resection of pheochromocytoma (adrenalectomy)…
- Trial name
- NCT01425710
- Where
- Austria
- Volunteers
- 15 people
- Sponsor
- Medical University of Vienna
Hypertension, Renal Failure
The Efficacy of Color-Doppler Ultrasonography to Assess the Renal Blood Flow With the Estimation of GFR
It is generally assumed that renal blood flow is symmetric in the absence of renal artery stenosis. The importance of studying the function of both kidneys separately is because it cannot be assumed that they are functionally…
- Trial name
- NCT00470769
- Testing
- Color-Doppler Ultrasound, 99mTc-DTPA scintigraphy
- Where
- 3 sites in Italy
- Volunteers
- 2,006 people, healthy volunteers welcome
- Sponsor
- University of Roma La Sapienza
Hypotension, Sepsis
Carotid Doppler Ultrasound for the Measurement of Intravascular Volume Status
Ultrasound represents an attractive non-invasive method to assess hemodynamic status. Understanding dynamic changes in hemodynamics in situations such as hypovolemia, sepsis, and cardiogenic shock can potentially help improve…
- Trial name
- NCT02907931
- Testing
- Point of Care Ultrasound
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Yale University
Trans Cranial Doppler Ultrasonography in Heamodynamic Optimisation in Septic Shock
Hemodynamic Optimisation Guided With Transcranial Doppler in Septic Shock
Randomized, controlled, prospective trial, including ICU patients with Sepsis or septic Shock, at the early phase. patients will be randomized in 2 groups regarding the hemodynamic management and catecholamin doses: Group 1…
- Trial name
- NCT04398069
- Testing
- hemodynamic optimisation aiming to achieve normal cerebral perfusion
- Where
- Tunisia
- Volunteers
- 24 people
- Sponsor
- Mongi Slim 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
Renal Resistive Index, Acute Kidney Injury
Renal Resistive Index as a Predictor of Acute Kidney Injury and Evaluation of Fluid Administration in Sepsis
We aim from this study to investigate the role of renal resistance index (RRI) in evaluation of Acute kidney injury development and fluid administration in sepsis patients considering the change in RRI values over 7 days from…
- Conditions
- Renal Resistive Index, Acute Kidney Injury, Sepsis
- Trial name
- NCT06009445
- Testing
- Renal resistive index
- Where
- Egypt
- Volunteers
- 45 people
- Sponsor
- Tanta 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 Vascular Accident (CVA)/Stroke
Transcranial Doppler (TCD) Ultrasound and Cognition in Cerebral Vascular Disease. (SUNRISE)
This study aims to contribute to the identification of factors that may be predictive of cognitive function and to provide data on cerebral hemodynamic in ischemic and haemorrhagic stroke.
- Trial name
- SUNRISE (NCT06735274)
- Testing
- Cerebral Autoregulation (CAR), Neurovascular coupling (NVC), Microembolic signals (MES)
- Where
- Portugal
- Volunteers
- 517 people
- Sponsor
- Universidade do Porto
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
Congenital Heart Disease
Utility of MRI With Doppler Ultrasound Gating for Advanced Fetal Monitoring
We will test an ultrasound device that uses sound waves to detect the fetal heart beat, and use this device to tell the MRI scanner when to collect pictures of the fetal heart.
- Trial name
- NCT03541291
- Testing
- SMART-SYNC LM03
- Where
- Canada
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
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