Clinical trials: Doppler Ultrasound
Brain Edema
Correlation of Trans Cranial Doppler Ultrasound and CT Scan in Monitoring of Posttraumatic Brain Edema
The most common tool for diagnosis and follow up of cerebral edema in ICU is brain CT scan that necessitate patient transportation with risk of hemodynamic instability, and exposure to radiation.
- Trial name
- NCT04834453
- Testing
- transcranial ultrasound
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Ain Shams University
Hematologic Neoplasms, Leukemia
Musculoskeletal Ultrasound in Patients With Hematologic Malignancies
This study evaluates the role and diagnostic value of musculoskeletal ultrasonography (MSUS) in adult patients with hematologic malignancies who present with musculoskeletal symptoms.
- Conditions
- Hematologic Neoplasms, Leukemia, Lymphoma, Multiple Myeloma
- Trial name
- NCT07785505
- Volunteers
- 50 people
- Sponsor
- Assiut University
Breast Cancer
Multiparametric High-resolution Ultrasound of the Breast
Despite advances in mammographic technique, mammography is limited in the detection and diagnosis of breast lesions with respect to sensitivity and specificity.
- Trial name
- NCT03276845
- Testing
- Ultrasound of the breast
- Volunteers
- 124 people
- Sponsor
- Medical University of Vienna
Ultrasound, Machine Learning
Intelligent Classification of Intraoperative Hemodynamic Phenotypes Based on CADFlow Doppler Monitoring
The goal of this observational study is to learn about intraoperative hemodynamic phenotypes in adult patients undergoing elective surgery under general anesthesia, using a new wearable ultrasound patch (CADFlow) that…
- Conditions
- Ultrasound, Machine Learning, Intraoperative Hypotension, Hemodynamic Monitoring
- Trial name
- NCT06957587
- Where
- 2 sites in China
- Volunteers
- 440 people
- Sponsor
- Shanghai 6th People's Hospital
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
Arteriovenous Fistula
Color Doppler Ultrasonography in Prediction of Arteriovenous Fistula Maturation in Hemodialysis Patients
The transplant is the definitive treatment of renal insufficiency, in our days. While waiting for it, the arteriovenous fistula surgery is standard procedure.
- Trial name
- NCT03171701
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assiut University
Aortic Valve Stenosis, Extracorporeal Circulation
Cerebral Embolic Load in Patients Undergoing Surgical Aortic Valve Replacement: A Comparison of the Conventional With the Minimized Extracorporeal Circulation Technique Using Transcranial Doppler Ultrasound
In this study, the investigators aim to compare cerebral embolic load in patients undergoing surgical aortic valve replacement using either the minimized extracorporeal circulation or the conventional extracorporeal circulation…
- Trial name
- AKE-MECC (NCT02308566)
- Testing
- Minimized Extracorporeal Circulation (MECC), Conventional Extracorporeal Circulation (CECC)
- Where
- Switzerland
- Volunteers
- 48 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Describe Typical Gray Scale/Color Doppler Ultrasound Features of Gestational Trophoblastic Neoplasia at the US Examination, To Assess if There Are Differences at the Baseline US Scan Between Low-risk and High-risk Patients
Gestional Trophoblastic Neoplasia Ultrasound Assessment: Titanium Study
Gestational trophoblast diseases are characterized by abnormal proliferation of trophoblastic tissue, which can occur consequent to any pregnancy event.
- Conditions
- Describe Typical Gray Scale/Color Doppler Ultrasound Features of Gestational Trophoblastic Neoplasia at the US Examination, To Assess if There Are Differences at the Baseline US Scan Between Low-risk and High-risk Patients, To Identify Ultrasound Predictors of Resistance to First-line Single Drug Chemotherapy in Low-risk GTN Patients, To Investigate if Machine Learning (ML) Algorithms (Radiomics, Deep Neural Networks (DNN), and Other Machine Learning Algorithms
- Trial name
- TITANIUM (NCT06284980)
- Where
- Italy
- Volunteers
- 120 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Carotid Web
Familial Form of Carotid Web: a Doppler Ultrasound Study
There is no evidence of familial forms of carotid web. The aim of this study is to determine the prevalence of carotid web among relatives of patient with carotid web using carotid doppler ultrasound.
- Trial name
- Family-WEB (NCT06336083)
- Testing
- Doppler ultrasound
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Synovitis
Computer-Assisted Quantification of the Synovial Perfusion in Patients With Arthritis Using Two-Dimensional and Three-Dimensional Power Doppler Ultrasonography
The purpose of this study is to compare the data obtained by computer-aided quantification of the synovial perfusion in patients with arthritis using two-dimensional and three-dimensional power Doppler ultrasonography and the…
- Trial name
- NCT00903903
- Where
- Taiwan
- Volunteers
- 100 people
- Sponsor
- Taichung Veterans General Hospital
Respiratory Failure, Multi Organ Failure
Doppler Ultrasound Renal Arterial Resistive Indices As Predictor Of Multiorgan Failure In Patients With Acute Hypoxic Respiratory Failure Admitted To Respiratory Intensive Care Unit (Cryptic Shock Index- RICU)
Patients with de novo respiratory failure undergoing non invasive ventilation (NIV) present failure rates of mechanical ventilation ranging from 4 to 50%.
- Trial name
- CSI-RICU (NCT03897920)
- Testing
- Doppler ultrasound assessment of renal arteria resistive index
- Volunteers
- 30 people
- Sponsor
- University of Modena and Reggio Emilia
Patellar Tendinitis
Ultrasound Probe Pressure on the Intratendon Doppler Signal in Patellar Tendinopathy
In the sports field, patellar tendinopathy is, as a pathology, one of the main concerns for athletes, both because of its incidence and because of the difficulty involved in their recovery.
- Trial name
- NCT04682496
- Testing
- Intratendon vascularization
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- Cardenal Herrera University
Stroke
Effects of Aerobic Exercise on the Cerebral Arterial System, Cognitive, and Motor Function in Post-stroke Patients.
Background: Stroke is the second leading cause of death and disability worldwide and in Hong Kong, 6.2% of all registered deaths in 2020 were due to cerebrovascular disease.
- Trial name
- NCT05706168
- Testing
- treadmill exercise, Cycle ergometer exercise
- Where
- Hong Kong
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Arterial Ischemic Stroke
Early Doppler-Assisted Mobilization in Adults After Acute Ischemic Stroke
Post-stroke mobilization remains a subject of ongoing debate. While early mobilization-particularly the first out-of-bed mobilization-has been associated with reduced systemic complications and earlier rehabilitation, it also…
- Trial name
- DOP-MOBILIZE (NCT07232498)
- Testing
- Doppler-guided early mobilization
- Where
- 7 sites in Croatia, Portugal
- Volunteers
- 1,300 people
- Sponsor
- Unidade Local de Saúde de Coimbra, EPE
Unexplained Stillbirth
Low Molecular Weight Heparin in Pregnancies With Unexplained Stillbirths
Bemiparin for pregnant women with abnormal umbilical artery Doppler ultrasound
- Trial name
- NCT03601338
- Testing
- Bemiparin, multivitamins and routine antenatal follow up
- Where
- Iraq
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Hawler Medical University
Sickle Cell Disease
Study to Evaluate the Effect of GBT440 on TCD in Pediatrics With Sickle Cell Disease
This study is a Phase 3, randomized, double-blind, placebo-controlled study of voxelotor in pediatric participants, aged ≥ 2 to < 15 years old, with Sickle Cell Disease.
- Trial name
- HOPE Kids 2 (NCT04218084)
- Testing
- Voxelotor
- Where
- 35 sites in United States, Egypt and 7 more
- Volunteers
- 236 people
- Sponsor
- Pfizer
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
Hypotension, Anesthesia-Induced Hypotension
Arterial Stiffness and Hemodynamics in Cardiac Surgery
Background: Hypotension during the induction of anesthesia is a significant clinical condition associated with increased perioperative morbidity and mortality.
- Conditions
- Hypotension, Anesthesia-Induced Hypotension, Arterial Stiffness, Cardiovascular Diseases
- Trial name
- NCT06911593
- Testing
- Doppler ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 121 people
- Sponsor
- Konya City Hospital
Ischemic Stroke, Carotid Stenosis
STAND: iSchemic sTroke evAluated at Bed Side With ultrasouND
Ischemic strokes account for more than 80% of strokes. Ischemic strokes are caused by the occlusion of an intracranial artery by a thrombus, responsible for tissue ischemia related to a decrease in local cerebral blood flow…
- Trial name
- STAND (NCT04180826)
- Testing
- Observational
- Where
- France
- Volunteers
- 33 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Emergent Dialysis, Venous Doppler Ultrasound
Sonographic Venous Doppler Imaging in End-Stage Renal Disease
Patients with end-stage renal disease (ESRD) may visit to emergency services for urgent hemodialysis or other reasons. Hemodialysis application in emergency conditions is generally not as optimal as in dialysis units.
- Trial name
- NCT05337384
- Testing
- Sonography
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Gazi University