Clinical trials: Angiography
Other Reconstructive Surgery, Plastic Surgery
Photoacoustic Computed Tomography for Pre-Operative Reconstructive Flap Angiography
The purpose of this study is to determine if a new non-invasive imaging technology, called Photoacoustic Computed Tomography (PACT), can be used in the pre-operative setting to better visualize the blood supply of reconstructive…
- Trial name
- NCT04783272
- Testing
- Photoacoustic Computed Tomography (PACT) Imaging
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Pelvic Diseases, Abdominal Diseases
The Study of Functional Magnetic Resonance Imaging in Abdominal and Pelvic Diseases
The purpose of this study is to study the diagnostic efficiency of functional magnetic resonance imaging in Abdominal and Pelvic Diseases.
- Trial name
- NCT02337777
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Tongji Hospital
Coronary Angiography, Anxiety
Effect of the Education Given to the Patients Who Will Be Applied Coronary Angiography
This research; The aim of this study was to evaluate the effect of the pre-procedural education given to the patients undergoing coronary angiography on the anxiety level and vital signs of the patients.
- Conditions
- Coronary Angiography, Anxiety, Vital Signs, Education
- Trial name
- NCT05160935
- Testing
- Education
- Where
- Turkey (Türkiye)
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Eskisehir Osmangazi University
Vascular Endothelium, Microvascular Circulation
Healthy Age-dependent Reference Values for Microvascular Structure and Function
The greatest challenge in our ageing society are cardiovascular diseases such as stroke, heart attack, peripheral artery disease of the legs with non-healing wounds (ulcers), or diabetes.
- Conditions
- Vascular Endothelium, Microvascular Circulation, Arterial Stiffness, Healthy Ageing
- Trial name
- NCT04897191
- Testing
- Age
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Abdominal Aortic Aneurysm
Carbon Dioxide Guided Angiography in Endovascular Abdominal Aortic Aneurysm Repair
Endovascular aneurysm repair (EVAR) has lower short-term morbidity and mortality than open surgery. Intra-arterial contrast agents are an important component of successful EVAR as the tool of choice for preoperative evaluation of…
- Trial name
- NCT04444999
- Testing
- Carbon Dioxide Angiography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Intracranial Aneurysm
Contrast-enhanced Magnetic Resonance Angiography Investigation of Intracranial Aneurysms and Prospective Study of Risk Factors
This is a prospective observational registry with intent to detect the prevalence of intracranial aneurysms with contrast-enhanced MR angiography (CE-MRA) at 1.5T, and to determine the risk factors such as high blood pressure and…
- Trial name
- EIIA (NCT00997698)
- Where
- China
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Second Military Medical University
Rectal Cancer, Sigmoid Cancer
A Study of Perfusion of Colorectal Anastomosis Using FLuorescence AnGiography (FLAG-trial)
This is a randomized, controlled, parallel study to determine the difference in post-operative anastomotic leak rate of colorectal anastomosis where colon and rectal tissue perfusion is evaluated using fluorescence angiography…
- Trial name
- FLAG (NCT03390517)
- Testing
- Fluorescence angiography with indocianyne green
- Where
- Russia
- Volunteers
- 377 people, healthy volunteers welcome
- Sponsor
- State Scientific Centre of Coloproctology, Russian Federation
Pterygium
ICG Angiography in Amniotic Membrane Graft and Conjunctival Autograft After Pterygium Excision
To evaluate graft vascularization and compare the vascularization patterns of conjunctival autografts with amniotic membrane grafts to better understand the factors involved in pterygium recurrence.
- Trial name
- NCT00383825
- Testing
- Anterior segment indocyanine green angiography
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Baskent University
Coronary Artery Disease (CAD), Computed Tomography Angiography
AI-assisted CT for Risk Stratification in Coronary Artery Disease (ACTION)
The goal of this observational study is to learn if AI-assisted cardiac CT imaging can improve cardiovascular risk stratification and prediction of future coronary events in an adult population undergoing clinically indicated…
- Conditions
- Coronary Artery Disease (CAD), Computed Tomography Angiography, Biomarkers, AI (Artificial Intelligence)
- Trial name
- ACTION (NCT07577609)
- Where
- Ireland
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- University of Galway
Primary Open Angle Glaucoma
Electroretinogram and Retinal Vascular Changes After Cataract Surgery
To compare electrophysiological and Optical coherence tomography angiography of optic disc and macula changes after uneventful phacoemulsification between normal and cataractus patients with primary open angle glaucoma.
- Trial name
- NCT05871034
- Testing
- phacoemulsification
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Optical Coherence Tomography, Optical Coherence Tomography Angiography
Relationship Between Alzheimer Disease and Diminution of the Three Macular Nervous Retinal Layers
Alzheimer disease is hard, long and expensive to diagnose. In order to help the clinician, a new biomarker in Alzheimer disease seems to be very useful.
- Conditions
- Optical Coherence Tomography, Optical Coherence Tomography Angiography, Retinal Thickening, Alzheimer Disease
- Trial name
- RETEVAL (NCT04794634)
- Testing
- Optical coherence tomography (OCT), Optical coherence tomograpohy angiography (OCTA)
- Where
- France
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Glaucoma
To Evaluate the Effect of Ginkgo Biloba Extract on Optic Nerve Head Perfusion Examined Using OCTA
Glaucoma is defined as progressive neuropathy of the optic nerve. It is an important cause of irreversible blindness worldwide. Lowering the intraocular pressure is the only proven treatment for this neurodegenerative disease.
- Trial name
- GBE (NCT04846179)
- Testing
- Ginkgo biloba extract
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Nova Scotia Health Authority
Myopic Choroidal Neovascularisation
OCTA Changes in Choroidal Neovascularization in High Myopia
To Analyze the Ability of Optical Coherence Tomography Angiography ( OCT-A ) to detect the presence of myopic Choroidal Neovascularization and to describe the structural features of Myopic CNV..
- Trial name
- NCT06357559
- Testing
- OCTA
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Alzheimer's Disease, Mild Cognitive Impairment
Retinal Imaging in Neurodegenerative Disease
This study aims to develop and evaluate biomarkers using non-invasive optical coherence tomography (OCT) and OCT angiography (OCTA) as well as ultra-widefield (UWF) fundus photography to assess the structure and function of the…
- Conditions
- Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis
- Trial name
- NCT03233646
- Testing
- Retinal and Choroidal Imaging
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Duke University
Neuropathy, Optic
OCT Angiography in Arteritic and Non Arteritic Anterior Ischemic Neuropathy
Anterior ischaemic optic neuropathy results from infarction of retrolaminar portion of the optic nerve head, caused by occlusion of the posterior ciliary artery.
- Trial name
- NOIA (NCT03642899)
- Where
- France
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Poitiers University Hospital
Type 2 Diabetes Mellitus Diabetic Retinopathy Cognitive Dysfunction
The Potential of Optical Coherence Tomography Angiography (OCTA) to Detect Early Cognitive Dysfunction in Diabetic Patients
Diabetic Retinopathy (DR) is one of the most common complications of diabetes, and its association with cognitive dysfunctions is becoming an increasingly frequent research interest.
- Trial name
- NCT07135440
- Testing
- OCT angiography RTVue XR Avanti; Optovue, Inc, Fremont, California, USA
- Where
- Bosnia and Herzegovina
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Dr. Sefic Eye Polylcinic and Optical Studio
Coronary Angiography, Obesity
Optimizing Image Quality in Obese Patients Undergoing Coronary Computed Tomography (CT) Angiography
The purpose of this cardiovascular imaging research is to look at ways to improve the way we can look at the pictures of the heart.
- Conditions
- Coronary Angiography, Obesity, Coronary Disease
- Trial name
- BMI40 (NCT00468195)
- Where
- United States
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- Corewell Health East
Neovascular (Wet) Age-related Macular Degeneration (AMD)
OCT Angiography in Wet AMD
The primary goals of this study are to use optical coherence tomography (OCT) angiography (blood vessel mapping) to: 1. diagnose the presence of new blood vessels in wet age-related macular degeneration (AMD) 2.
- Trial name
- NCT02253030
- Testing
- Optical Coherence Tomography
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Coronary Artery Disease, Radial Artery Injury at Wrist and Hand Level
The Procedural Success and Complication Rate of the Left Distal Radial Approach
Left distal transradial approach (ldTRA) can be an attractive alternative route for left radial and right radial artery. Recently, Ferdinand Kiemeneij reported the feasibility and safety of the use of ldTRA.
- Trial name
- NCT03292367
- Testing
- ldTRA
- Where
- South Korea
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Wonju Severance Christian Hospital
SLE (Systemic Lupus)
Posterior Segment Evaluation of Patients With SLE Using OCT and OCTA
Aim of The Study To evaluate different structural retinal changes using OCT and OCT-A in patients with SLE ; newly diagnosed patients and patients on treatment and compare parameters with normal subjects
- Trial name
- NCT04866615
- Testing
- Optvue OCT
- Where
- Egypt
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Minia University