Clinical trials: Ultrasound Doppler
Gastroesophageal Varices Hemorrhage
Color Doppler US and TE as Predictors for Presence of Gastroesophageal Varices and Variceal Bleeding in Patients With LC
The aim of the study is to evaluate the ability of Doppler ultrasonography of the portal vein and liver stiffness measurement using Transient Elestoghraphy in predicting prescence of gastroesophageal variceal and variceal…
- Trial name
- NCT05891184
- Testing
- color doppler ultrasound, transient elastography, upper endoscopy
- Volunteers
- 100 people
- Sponsor
- Assiut University
Peripheral Arterial Disease, Atherosclerosis Obliterans
Comparison of 3 Ultrasonic Techniques for Measuring the Systolic Pressure Index
Continuous Doppler ankle brachial index (ABI) is the gold standard for screening and monitoring of peripheral arterial disease (PAD) but is no longer carried out in clinical practice.
- Conditions
- Peripheral Arterial Disease, Atherosclerosis Obliterans, Atherosclerosis Right Leg, Atherosclerosis Left Leg
- Trial name
- ABIPULSE (NCT04440072)
- Where
- France
- Volunteers
- 150 people
- Sponsor
- University Hospital, Caen
Prostate Cancer
Needle Localization During Prostate Brachytherapy Using Power Doppler Ultrasound
This study involves patients who are scheduled for standard care brachytherapy of focal tumours within the prostate, which is normally performed under standard 2-dimensional (2D) ultrasound guidance.
- Trial name
- NCT03861507
- Testing
- Prostate Brachytherapy
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- Western University, Canada
Anesthesia
Ultrasound-image Guided Versus Doppler Guided Versus Palpation Technique for Arterial Cannulation in Adults
Radial arterial cannulation is a common invasive procedure for real-time measurement of arterial blood pressure. Placement of the arterial catheter using conventional palpation is often relatively easy and quick, but this is not…
- Trial name
- NCT01276171
- Testing
- Ultrasound, Doppler, Palpation
- Where
- United States
- Volunteers
- 749 people
- Sponsor
- University of Iowa
Sickle Cell Disease
Measurement of Cerebral Blood Flow Using Transcranial Doppler Ultrasound in Children With Sickle Cell Disease
Sickle cell disease (SCD) affects haemoglobin - the molecule in blood cells which carries oxygen. It causes red blood cells to become abnormal crescent (or sickle)- shaped.
- Trial name
- NCT02090881
- Testing
- Ultrasound scan
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Imperial College Healthcare NHS Trust
Erectile Dysfunction Due to Arterial Disease
Prospective Cross-sectional Evaluation of Penile Helicine Circulation in Veno-occlusive Erectile Dysfunction
Background: The aim of this study is to evaluate the usefulness of Power Doppler in order to improve the diagnostic work up of veno-occlusive erectile dysfunction patients.
- Trial name
- PD and VOD (NCT05311748)
- Testing
- Ultrasound and doppler
- Where
- 2 sites in Italy
- Volunteers
- 202 people
- Sponsor
- University of Roma La Sapienza
Cerebrovascular Circulation
NIRS vs TCD for Cerebrovascular Autoregulation During Non-cardiac Surgery
Postoperative neurocognitive disorders (NCD) are of high priority in perioperative management. The risk of suffering from NCD after surgery may be increased due to perioperative impairment of cerebrovascular autoregulation and…
- Trial name
- SONICA (NCT04978558)
- Testing
- Continuous assessment of cerebrovascular autoregulation with NIRS and TCD
- Where
- Germany
- Volunteers
- 509 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf