Clinical trials: Doppler Ultrasound
Septic Shock, Echocardiography Guided Fluid Management
Prediction of Fluid Responsiveness in Paediatric Patients With Septic Shock Using Carotid Doppler Ultrasonography and Echocardiography
The goal of this study is to evaluate the role of carotid Doppler and Echocardiography as a predictor of fluid responsiveness in paediatric patients with septic shock.
- Trial name
- NCT07136532
- Testing
- echocardiography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Lymphedema, Lipedema
Multimodal Ultrasound for Differentiating Lymphedema and Lipedema
The aim of this observational study is to evaluate the diagnostic value of multimodal ultrasonography in differentiating between lymphedema and lipedema.
- Trial name
- NCT07489248
- Testing
- Multimodal Ultrasound Assessment
- Where
- Turkey (Türkiye)
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Kayseri City Hospital
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
Hypotension (MeSH: D007022)
Carotid Artery Blood Flow, Blood Pressure, and Cardiac Output During Anesthesia in Children Aged 0-5 Years
Blood pressure is routinely monitored during anesthesia in children, but blood pressure alone may not accurately reflect blood flow to vital organs.
- Trial name
- CARFLOW (NCT07847203)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Echocardiography, Doppler
Technical Development of Strain Rate Echocardiography
This study will examine heart function using two imaging techniques - echocardiography (ultrasound) and magnetic resonance imaging (MRI) - to evaluate newly developed software for echocardiograph machines.
- Trial name
- NCT00075920
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
End-stage Liver Disease (ESLD), Liver Transplantation
View of Cerebral Perfusion in Liver Transplantation
Investigator's aim in this study is to compare the more accessible and low-cost Carotid Doppler USG measurements, which are relatively more difficult to access, costly, and have technical disadvantages, and to demonstrate their…
- Conditions
- End-stage Liver Disease (ESLD), Liver Transplantation, Cerebral Perfusion, Intraoperative Monitoring
- Trial name
- NIRS/Doppler (NCT07442214)
- Testing
- Carotid Doppler Ultrasonography and Near-Infrared Spectroscopy (NIRS)
- Where
- Turkey (Türkiye)
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Inonu University
Pulmonary Pathologies, Cardio-pulmonary Diseases
The Use of a Ultra-sound of the Lung to Diagnose Lung Diseases
The study is a prospective open evaluating study of Ultrasound/Doppler application to the chest cavity intended to detect and characterize pathologies of the pulmonary and cardio-vascular system.
- Trial name
- NCT01225367
- Testing
- ultrasound doppler monitoring
- Where
- Israel
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Echosense Ltd.
Leiomyoma (Uterine Fibroids)
Impact of Uterine Leiomyoma Location on Uterine Artery Doppler Velocimetry
Aim: Investigation of the impact of uterine leiomyoma location on uterine artery velocimetry Materials and Methods: It is a single-center prospective cohort study.
- Trial name
- ULLADS (NCT07186257)
- Where
- Turkey (Türkiye)
- Volunteers
- 185 people, healthy volunteers welcome
- Sponsor
- Bakirkoy Dr. Sadi Konuk Research and Training Hospital
Peripheral Arterial Disease(PAD)
Ankle-Brachial Index Changes Post Exercise and Its Effects on Patient-Centered Outcomes and Gait
The goal of this observational study or clinical trial is to investigate how exercise can affect different areas of a person's life, especially those people with vascular disease.
- Trial name
- ExerciseABI (NCT07637396)
- Where
- United States
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center Shreveport
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
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
Changes in Blood Flow to the Brain, Changes Depending on the Form of Walking
Influence of Direction of Movement While Walking
The aim of the study is evaluation of cerebral blood flow (based on testing the rate of flow in middle cerebral arteries by transcranial Doppler ultrasound) during different forms of walking training - walk forwards and…
- Trial name
- NCT01254968
- Where
- Poland
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Medical University of Silesia
Venous Thrombosis
A Comparison of the Effects of Neuromuscular Electrical Stimulation and Intermittent Pneumatic Compression on Blood Flow in the Lower Limb
Deep Vein Thrombosis (DVT) is a life threatening condition and a serious concern among hospitalized patients, with death occurring in approximately 6% of cases.
- Trial name
- NCT01894997
- Testing
- Neuromuscular electrical stimulator, AV Impulse System Model 6000
- Where
- Ireland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National University of Ireland, Galway, Ireland
Labor Pain
Agreement Between Laterality of Tsui Test and Laterality of Color Flow Doppler Signals During Labor Epidural Analgesia
Epidural analgesia for relief of labor pain is a very common, safe and reliable technique that requires placement of a catheter in the epidural space.
- Trial name
- NCT05281991
- Testing
- Doppler ultrasonography, Tsui test
- Where
- Canada
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Congestive Heart Failure (CHF)
Evaluation of Blood Flow Patterns in Lung Blood Vessels Using Ultrasound Technique in Patients With Congestive Heart Failure
Historically, transthoracic Doppler echocardiography has been unable to provide interpretable data of blood flow within the lung parenchyma because of air attenuation of Doppler signals.
- Trial name
- NCT01744210
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Echosense Ltd.
Clitoris Vascularity
3D Ultrasound and Color Doppler Studies of the Clitoris in Pregnant Women
Patients will be divided into two groups: Group A: 30 pregnant women Group B: 30 non pregnant women as control group. All patients will be subjected to the following: 1.
- Trial name
- NCT06084728
- Testing
- Color Doppler ultrasonography
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
Hypertensive Disorders of Pregnancy, Pre-eclampsia
Ophthalmic Artery Doppler in the Puerperium After Hypertensive Disorders of Pregnancy (OPHELIA-PP)
Hypertensive disorders of pregnancy frequently fail to resolve at delivery. A substantial proportion of women remain hypertensive at the six-week postnatal review, postpartum eclampsia occurs days to weeks after birth, and a…
- Conditions
- Hypertensive Disorders of Pregnancy, Pre-eclampsia, Postpartum Hypertension, Puerperal Disorders
- Trial name
- OPHELIA-PP (NCT07841795)
- Where
- Italy
- Volunteers
- 366 people, healthy volunteers welcome
- Sponsor
- University of Roma La Sapienza
Chronic Obstructive Pulmonary Disease
USCOM For Assessing Patients With COPD
Objective The Ultrasonic Cardiac Output Monitor (USCOM) is a non-invasive, quantitative method for measuring and monitoring cardiovascular haemodynamic parameters in patients. The aims of this study are: 1.
- Trial name
- NCT02329522
- Testing
- Ultrasonic Cardiac Output Monitor, Spirometry
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Flow Time, Carotid Doppler Ultrasound
Carotis cFT In Prediction Of Hypotension
The aim of our study is to determine the predictive value of pre-anesthesia FTc for hypotension that may develop after general anesthesia induction in patients over 65 years of age and to investigate the correlation between…
- Conditions
- Flow Time, Carotid Doppler Ultrasound, Hypotension, Anesthesia
- Trial name
- NCT05896514
- Testing
- ultrasound-guided carotid artery flow time measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- Cukurova University
Diabetic Nephropathies
Doppler Ultrasound in Early Detection of Diabetic Nephropathy Type 2 Diabetes Mellitus.
Doppler sonography provides an easily applicable, non-invasive, and well-established method for investigating renal morphologic characteristics and measuring vascular resistance in the renal parenchyma.
- Trial name
- NCT03284996
- Testing
- Doppler ultrasonography
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Assiut University