Search clinical trials for: Doppler flow velocity

Total 6795 results

Federal University of Minas Gerais
Fundação de Amparo à Pesquisa do estado de Minas Gerais

Completed

Vascular Effect of Estradiol Valerate Versus Placebo Evaluated by Flow-mediated Dilatation of Brachial Artery (VEDILA)

Flow-mediated Dilation Evaluation of the Brachial Artery

Brazil
Oslo University Hospital
Aarhus University Hospital; Aalborg University Hospital; South-Eastern Norway... and other collaborators

Completed

The Effects of Omega-3 Fatty Acids in Renal Transplantation (ORENTRA)

Disorder Related to Renal Transplantation

Norway
Cardiox Corporation

Terminated

Right to Left Cardiac Shunt Detection (PFO Detection)

Atrial Septal Defect | Patent Foramen Ovale | Right to Left Shunt

United States
University of Cincinnati

Unknown

Left Atrial Volume Index and Left Atrial Appendage Flow Velocities

Thrombosis of Left Atrial Appendage

United States
University of Colorado, Boulder
TheraVasc Inc.

Completed

Sodium Nitrite to Treat Arterial Aging

Vascular Aging

United States
Suleymaniye Birth And Women's Health Education...
Bagcilar Training and Research Hospital

Completed

A Comparative Analysis of Arterial Blood Flow in Unexplained Infertility, Tubal Infertility and Fertile Groups

Infertility

Turkey
Seoul National University Hospital

Completed

Measurement of Cerebral Flow Using Transfontanellar Doppler in Infants Under Cardiopulmonary Bypass

Cardiopulmonary Arrest

Korea, Republic of
Federal University of Minas Gerais

Completed

Vascular Effect of Tibolone Versus Placebo Evaluated by Flow-mediated Dilatation of Brachial Artery

Flow-mediated Dilation Evaluation of the Brachial Artery

Brazil
Konkuk University Medical Center

Unknown

Effect of Desflurane on Cardiac Function During Cardiac Surgery: Tissue Doppler Imaging of Mitral Valve Annular Velocity

Valvular Heart Disease

Korea, Republic of
Konkuk University Medical Center

Completed

Sevoflurane's Effect on Mitral Valve Annular Velocity in Cardiac Surgery

Valvular Heart Disease

Korea, Republic of
Shanghai Jiao Tong University Affiliated Sixth...

Unknown

TCD Detection of Ophthalmic Artery Blood Flow Velocity Prediction Feasibility Study of Intracranial Pressure

Traumatic Brain Injury | Cerebral Hemorrhage | Increased Intracranial Pressure

China
Medical University of Vienna

Terminated

Choroidal Blood Flow Changes During Dark/Light Transitions in Patients With Insulin-dependent Diabetes Mellitus (IDDM)

Diabetes Mellitus, Type 1 | Diabetic Retinopathy

Austria
Medical University of Vienna

Withdrawn

Effects of Common Topical Glaucoma Therapy on Optic Nerve Head Blood Flow Autoregulation During Increased Arterial Blood Pressure and Artificially Elevated Intraocular Pressure in Healthy Humans

Glaucoma

Austria
Fortis Hospital, India

Unknown

Can Changes in Velocity Time Integral Serve as a Sensitive Indicator for Monitoring Changes in Stroke Volume ?

Ischemic Heart Disease
Medical University of Vienna

Terminated

Role of Nitric Oxide in Optic Nerve Head Blood Flow Regulation During Experimental Increase of Intraocular Pressure in Healthy Humans

Healthy

Austria
National University of Ireland, Galway, Ireland
Irish Research Council; Galway Clinic

Completed

A Comparison of the Effects of Neuromuscular Electrical Stimulation and Intermittent Pneumatic Compression on Blood Flow in the Lower Limb

Venous Thrombosis

Ireland
Federal University of Minas Gerais

Completed

Vascular Effect of Estrogens Versus Placebo Evaluated by Flow-mediated Dilatation of Brachial Artery (EDILA)

Unspecified Injury of Brachial Artery, Left Side, Initial Encounter

Brazil
Echosense Ltd.

Terminated

Monitoring and Characterization of Coronary Flow By Transthoracic Parametric Doppler (TPD) During Exercise Stress Test

Coronary Artery Disease

Israel
Asan Medical Center
AstraZeneca

Completed

Rosuvastatin Effect on Serial Echocardiographic Measurement of Coronary Flow Velocity Reserve (RESERVE)

Hypertension | Cardiovascular Risk Factors

Korea, Republic of
Curt Treu

Completed

Microcirculatory Impairment in Patients With Leprosy

Lepromatous Leprosy
Chelsea and Westminster NHS Foundation Trust
Royal College of Surgeons of England

Unknown

Imaging of Adult Burn Injuries

Thermography | Laser Doppler Blood Flow | Spectrophotometric Intracutaneous Analysis

United Kingdom
University of British Columbia

Withdrawn

Fetal Aortic Pulsewave Velocity: A Novel Doppler Ultrasound Method of Measuring the Biophysical Properties of the Fetal Aorta

Healthy
Azienda Policlinico Umberto I

Unknown

Assessment of Coronary Flow Reserve by Doppler Flow WIre in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention: Differences Between the Loading Dose of Prasugrel and Ticagrelor .

ST Elevation Myocardial Infarction | Acute Coronary Syndrome | Unstable Angina | Non ST Elevation Myocardial Infarction

Italy
Azienda Policlinico Umberto I

Unknown

Assessment of Coronary Flow Reserve by Doppler Flow Wire in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention Differences Between the Loading Dose of Ticagrelor and Clopidogrel

ST Elevation Myocardial Infarction | Unstable Angina | Non ST Elevation Myocardial Infarction | Acute Coronary Syndrome:

Italy
University of Sao Paulo

Completed

Color Doppler Imaging of Orbital Venous Flow in Grave's Orbitopathy

Graves' Ophthalmopathy | Graves' Disease

Brazil
University of California, San Francisco

Completed

Evaluation of Vascular Pathology With 3D, Time-Resolved Phase Contrast Magnetic Resonance Imaging (MRI)

Healthy

United States
Istanbul Bakirkoy Maternity and Children Diseases...

Completed

Color Doppler Analysıs Of Uterin And Intraovarian Blood Flow Before And After Treatment Wıth Cabergoline In Hyperprolactinemic Patients

Adverse Reaction to Other Drugs and Medicines

Turkey
University Hospital, Motol

Unknown

Prediction of Carotid Occlusion Intolerance by Transcranial Doppler Evaluation in Patients Undergoing Carotid Artery Stenting With Proximal Flow Arrest Protection System.

Carotid Occlusion Intolerance

Czech Republic
National University of Ireland, Galway, Ireland
Irish Research Council; Galway Clinic

Completed

A Comparison of Neuromuscular Electrical Stimulation and Intermittent Pneumatic Compression in Terms of Lower Limb Blood Flow

Venous Thrombosis

Ireland
Huashan Hospital

Completed

Cerebral Blood Perfusion Changes After General Anesthesia for Craniotomy

Brain Neoplasms | Surgery | Hyperemia

China
National University of Ireland, Galway, Ireland
Irish Research Council

Completed

Neuromuscular Electrical Stimulation Versus Intermittent Pneumatic Compression for Blood Flow

Venous Thrombosis

Ireland
Duke University

Completed

Hydroxyurea to Prevent Stroke in Children With Sickle Cell Anemia and Elevated TCD Flow Velocity

Stroke

United States
Northwell Health

Withdrawn

Study to Evaluate Subclinical Atherosclerosis (an Early Sign of Heart Disease) in Healthy Adult Immigrant Asian Indians

Healthy
Northumbria University

Completed

Cognitive and Cerebral Blood Flow Effects of Vitamin C

Cognition | Endothelial Function

United Kingdom
Assistance Publique - Hôpitaux de Paris

Completed

Impact of Cranioplasty On Cerebral Perfusion (CCP)

Infarction, Middle Cerebral Artery | Subarachnoid Haemorrhage | Head Injuries | Intra-cerebral Haemorrhage | Cerebral Thrombosis

France
Hvidovre University Hospital

Completed

Water Immersion and Changes in the Fetoplacental Circulation

Pregnancy | Immersion

Denmark
University of Toronto
Ontario Research Fund

Unknown

Retinal Oxygen Saturation, Blood Flow, Vascular Function and High Resolution Morphometric Imaging in the Living Human Eye

Central Retinal Vein Occlusion | Branch Retinal Vein Occlusion | Central Retinal Artery Occlusion | Branch Retinal Artery Occlusion

Canada
Medical University of Vienna

Completed

Role of Nitric Oxide in Optic Nerve Head Blood Flow Regulation During Isometric Exercise in Healthy Humans

Healthy

Austria
Augusta University

Unknown

Study of Amiloride on Vascular Phenotypes in Young Adults With Prehypertension (SAPHA)

Prehypertension

United States
Medical University of Vienna

Completed

Role of Endothelin-1 in Optic Nerve Head Blood Flow Regulation During Isometric Exercise in Healthy Humans

Healthy

Austria
Medical University of Vienna

Completed

Regulation of Optic Nerve Head Blood Flow During Combined Changes in Intraocular Pressure and Arterial Blood Pressure

Healthy

Austria
Yonsei University

Completed

Value of Pulse Pressure Variations and Corrected Flow Time in Esophageal Doppler as a Predictor of Fluid Responsiveness in Prone Position During Spinal Surgery

Elective Posterior Lumbar Spinal Fusion

Korea, Republic of
Hillel Yaffe Medical Center

Unknown

Doppler Flow Measurements in Patients With Misoprostol Treatment for Arrested Pregnancy

Missed Abortion

Israel
Hillel Yaffe Medical Center

Unknown

Doppler Assesment of Blood Flow in the Spiral Arteries

Early Pregnancy

Israel
Radboud University Medical Center

Completed

Evaluation of Non-invasive Measurements of Atherosclerosis in Cardiovascular Risk Stratification (NIMA)

Cardiovascular Disease

Netherlands
AstraZeneca

Completed

Study to Assess the Effect of Ticagrelor on Coronary Blood Flow in Healthy Male Subjects.

Blood Flow Speed | Coronary Flow Velocity

Sweden
Seoul National University Hospital

Completed

Study About Predicting Fluid Responsiveness in Children Undergoing Neurosurgery

Fluid Responsiveness

Korea, Republic of
Lithuanian University of Health Sciences
Merck Sharp & Dohme LLC; Indiana University School of Medicine

Completed

Intraocular Pressure, Blood Pressure, Ocular Perfusion and Blood Flow Fluctuations in Glaucoma Patients

Open Angle Glaucoma

Lithuania
All India Institute of Medical Sciences, New Delhi

Unknown

Cerebral Blood Circulation in Patients With Posterior Fossa Brain Tumor

Brain Tumor

India
University Hospital, Basel, Switzerland

Terminated

Ocular Pulse Amplitude And Choroidal Laser Doppler Flowmetry

Healthy

Switzerland

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