Clinical trials: Ultrasound Doppler
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
Internal Carotid Artery Stenosis
SONOlysis in Prevention of Brain InfaRctions During Internal Carotid Endarterectomy
SONOBIRDIE Trial is a randomized, single-blind, sham-controlled study designed for a demonstration of the safety and effectiveness of sonolysis (continual transcranial Doppler (TCD) monitoring) in reduction of risk of stroke or…
- Trial name
- SONOBIRDIE (NCT02398734)
- Testing
- sonolysis
- Where
- Czechia
- Volunteers
- 1,492 people
- Sponsor
- University Hospital Ostrava
Subarachnoid Hemorrhage
3D Contrast Enhanced Acoustic Perfusion Imaging in Adult After Subarachnoid Hemorrhage
Aneurysmal subarachnoid hemorrhage (SAH) is a devastating form of stroke, with three major complications : early brain injury (EBI), vasospasm and delayed cerebral ischemia (DCI).
- Trial name
- ESRIR (NCT06793839)
- Testing
- Transcranial Enhanced Ultrasonography localizing microscopy
- Where
- France
- Volunteers
- 15 people
- Sponsor
- University Hospital, Caen
Ophthalmic Artery, Labor and Delivery
The Ophthalmic Artery Doppler Evaluation Prior to Labor Induction and Adverse Intrapartum Fetal Outcomes
The ophthalmic artery Doppler has been recently proposed as a potential "soft marker" for placental insufficiency in retrospective and observational studies, with similar clinical significance with respect to Uterine Artery (UA)…
- Conditions
- Ophthalmic Artery, Labor and Delivery, Induction of Labor, Intrapartum Fetal Distress
- Trial name
- OPHELIA (NCT07846137)
- Testing
- Ophthalmic Artery Doppler
- Volunteers
- 1,477 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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
Peritoneum Calcification, Bowel Wall Calcification
Study of Peritoneal/Bowel Morphology and Splanchnic Hemodynamics by Sonography, Doppler Ultrasound and Computed Tomography in CAPD Patients
Use ultrasound and computed tomography to evaluate the condition of peritoneum(thickness, calcified, etc. )and correlate the relationship between the peritoneum and other clinical condition
- Trial name
- NCT00821405
- Where
- Taiwan
- Volunteers
- 300 people
- Sponsor
- National Taiwan University Hospital
Doppler Ultrasound in Arteriovenous Fistula Preoperative Evaluation and Post-operative Periodic Monitoring
The Role of Doppler Ultrasound in Assessment of Local Factors Affecting Maturation of Arteriovenous Fistula in Hemodialysis Patient
the long term survival of the chronic kidney disease (CKD) patients depends on the adequacy of dialysis via good vascular access. the arteriovenous fistula (AVF) is the preferred vascular access for hemodialysis.
- Trial name
- NCT05082792
- Testing
- doppler ultrasound
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Sohag University
Traumatic Brain Injury
Diagnosis of Intracranial Hypertension Using TCCD, ONSD and ODH by Bedside Ultrasound
The goal of this observational study is to investigate several means of measuring intracranial pressure (ICP) non-invasively in patients who had head trauma and received implantation of invasive ICP monitor device.
- Trial name
- NCT07151287
- Testing
- TCCD, ONSD, ODH
- Volunteers
- 64 people
- Sponsor
- Xiangya Hospital of Central South University
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
Critically Ill, Hypovolemia
Fluid Responsiveness After CArdiac Surgery Study
Study Design: Prospective observational study Study Location: Liverpool Hospital Intensive Care Unit, South Western Sydney Local Health District, Sydney, Australia.
- Trial name
- FRACAS (NCT02841943)
- Where
- Australia
- Volunteers
- 102 people
- Sponsor
- South West Sydney Local Health District
Acute Brain Injuries, TBI (Traumatic Brain Injury)
Dynamic and Static Autoregulation After Brain Injury
The aim of the study assesses static and dynamic cerebrovascular autoregulation daily over one week in patients with traumatic brain injury or intracranial hemorrhage to quantify the temporal profile of the autoregulatory status.
- Conditions
- Acute Brain Injuries, TBI (Traumatic Brain Injury), Intracranial Hemorrhages
- Trial name
- NCT01069250
- Testing
- There are no interventions in this study
- Where
- Germany
- Volunteers
- 16 people
- Sponsor
- Johannes Gutenberg University Mainz
Pre-eclampsia, Intra-uterine Growth Restriction
Observational Study in UTERO - Placental 3D Doppler Examination: Interest for Pre-eclampsia Screening During Pregnancy
Pre-eclampsia and intra uterine growth restriction (IUGR) represent major complications for pregnant women, with a high related maternal and fetal morbidity and mortality.
- Conditions
- Pre-eclampsia, Intra-uterine Growth Restriction, Placental Insufficiency, 3D Doppler Ultrasound
- Trial name
- PLACENTA3D (NCT00930397)
- Where
- France
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Portal Vein, Hepatic Veins
Ultrasound Measurements of Hepatic Vasculatures and Hepatic Doppler Assessment of Healthy Children
Flow dynamics in the liver is altered in different hepatobiliary and cardiac pathologies, causing changes in hepatic vasculatures sizes and flow pattern changes which can be assessed by ultrasound (USG) study.
- Conditions
- Portal Vein, Hepatic Veins, Hepatic Artery, Liver Circulation
- Trial name
- NCT04619966
- Where
- Hong Kong
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Hong Kong Children's Hospital
Aortic Regurgitation
Accuracy of Left Subclavian Regurgitation Evaluated by Ultrasound Doppler and 4D Flow MRI
Aortic insufficiency (IA) is defined as an abnormal regurgitation of blood from the aorta to the left ventricle in diastole, due to a lack of tightness of the aortic valves.
- Trial name
- SUBCLAR (NCT03549091)
- Testing
- transthoracic echocardiography, Cardiovascular Magnetic Resonance Imaging
- Where
- France
- Volunteers
- 70 people
- Sponsor
- Fondation Hôpital Saint-Joseph
Acute Cholecystitis With Chronic Cholecystitis
Correlation Between Power Doppler and Intraoperative Findings of Chronic and Acute Cholecystitis
In theory, increased vascularity of GB wall could be associated with intraoperative findings, such as, GB wall inflammation and accompanying adhesions.
- Trial name
- NCT02156947
- Testing
- Laparoscopic cholecystectomy
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Samsun Education and Research Hospital
Preterm Birth, Prenatal Care Late
This Study Was to Investigate the Efficacy of Fetal Right Heart Doppler Findings in Determination of Pulmonary Maturity
Objective: The aim of this study was to investigate the efficacy of fetal right heart doppler findings in determination of pulmonary maturity.
- Conditions
- Preterm Birth, Prenatal Care Late, Preterm Labor
- Trial name
- NCT04296591
- Testing
- fetal heart doppler findings
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Karadeniz Technical University
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
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
High Risk Pregnant Women, Placental Insufficiency
Low Weight Heparin prOphylaxis for Placental-Mediated Complications of PrEgnancy
This is a Multicenter, randomized, open-label, parallel groups study to test the hypothesis that prophylactic low molecular weight heparin (LMWH) (enoxaparin) initiated before 14 weeks of gestation could improve maternal and…
- Conditions
- High Risk Pregnant Women, Placental Insufficiency, Preeclampsia
- Trial name
- HOPPE (NCT01388322)
- Testing
- Enoxaparin
- Where
- 4 sites in Spain
- Volunteers
- 361 people
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Pregnancy, Cesarean Delivery
Manual and Expressed Placental Removal at Cesarean Delivery and Its Effects on Various Cardiac Indices
The purpose of this study is to evaluate whether manual removal of the placenta during a cesarean delivery results in higher changes in the resistance of blood flow throughout the body, also called systemic vascular resistance…
- Trial name
- NCT00711451
- Testing
- Manual removal, Expressed removal
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Corewell Health East