Clinical trials: Abnormal Vascular Flow
Abnormal Vascular Flow
A Pilot Study to Evaluate Multi-Spectral and Laser Speckle Imaging and Multiphoton Microscopy During Vascular Occlusion
The purpose of this research is to evaluate and validate the performance of non-invasive imaging modalities for assessment of skin.
- Trial name
- NCT01484730
- Testing
- Multi-Spectral and Laser Speckle Imaging
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of California, Irvine
Breast Cancer, Breast Abnormalities
Evaluate Breast Masses Using a New Method of Ultrasound Contrast to Detect Abnormal Blood Flow in Breasts
The purpose of this study is to determine if breast imaging with ultrasound can be improved by using 1) a ultrasound attachment with two transducers and 2) a contrast agent.
- Trial name
- NCT00722683
- Testing
- Ultrasound Imaging with Contrast
- Where
- United States
- Sponsor
- University of Michigan
Abnormal Vascular Flow
Effects of Milking the Umbilical Cord on Systemic Blood Flow
Premature babies are at risk for bleeding in their brains, which can result in developmental delays or other neurological problems such as cerebral palsy.
- Trial name
- NCT01434732
- Testing
- Umbilical Cord Milking, Immediate Cord Clamping
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Sharp HealthCare
Abnormal Uteroplacental Circulation
Study on Doppler Ultrasound Measurement of Changes in Uterine Artery Blood Flow in Normal First Trimester Pregnancies and Its Prediction on Abortion
Objective:To explore the study of Doppler ultrasound in first trimester pregnancies to measure the change of uterine artery blood flow in normal pregnancies and the prediction on abortion, which provides a certain reference for…
- Trial name
- NCT06043804
- Testing
- Doppler ultrasound measurement of changes in uterine artery blood flow
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Cognitive Function Abnormal, Atrial Fibrillation (AF)
Low-frequency Electrical Stimulation for Cognitive Enhancement in Atrial Fibrillation
Cognitive function in patients with atrial fibrillation (AF) is often impaired due to the complex influence of various factors (cerebral hypoperfusion, neurodegeneration, microemboli, hypertension, chronic inflammation).
- Trial name
- LESCAF (NCT07063381)
- Testing
- tVNS
- Where
- 2 sites in Russia
- Volunteers
- 60 people
- Sponsor
- Bakulev Scientific Center of Cardiovascular Surgery
Healthy, Abnormal Vascular Flow
Racemic Ketamine Versus S-ketamine With Arterial Spin Labeling (ASL)-MRI in Healthy Volunteers
Racemic ketamine and S-ketamine are used in clinical practice today. Little is known of their difference in effect on cerebral blood flow, volume and metabolism.
- Trial name
- NCT01506921
- Testing
- Racemic ketamine, S-ketamine
- Where
- Sweden
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Lund University
Hypertension, Left Ventricular Diastolic Dysfunction
Effect of Nebivolol on the Blood Flow in Hearts of Adults With High Blood Pressure and Abnormal Filling of Heart
To investigate whether treatment with Nebivolol in subjects with high blood pressure and abnormal filling of left ventricle (LVDD) improves exercise time by improving Left Ventricular deformation and filling.
- Trial name
- NCT01961323
- Testing
- Nebivolol
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Coronary Artery Disease
Measurements to Assess Severity of Epicardial Stenoses
Newly developed diagnostic parameters have potential to differentiate between epicardial disease and microvascular dysfunction with the help of anatomical details and physiological endpoints and can be used in present clinical…
- Trial name
- MASES (NCT00760630)
- Testing
- FFR/CFR and IVUS
- Where
- 2 sites in United States
- Volunteers
- 10 people
- Sponsor
- University of Cincinnati