Clinical trials: Angiogram
Pulsatile Tinnitus
The Recurrence Mechanism of Venous Tinnitus After Boney Wall Reconstruction Based on Multimodal Imaging and Multiphysics Coupling
Venous tinnitus (VT) is seriously affecting the quality of life of five million patients in China. Bony wall reconstruction is the main treatment method, but the postoperative recurrence rate exceeds 30%, and the specific…
- Trial name
- NCT05856175
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Contrast-Induced Nephropathy
Sodium Bicarbonate Versus Saline for the Prevention of Contrast-induced Nephropathy
Contrast-induced nephrophaty (CIN) accounts for more than 10% of hospital-acquired renal failure. Hydration with sodium bicarbonate is more protective than isotonic saline in animals. Limited data are available in humans.
- Trial name
- NCT00606827
- Testing
- Sodium Bicarbonate, Isotonic Saline
- Where
- Italy
- Volunteers
- 500 people
- Sponsor
- Ospedale Misericordia e Dolce
Diabetic Retinopathy
Vascular Remodeling and the Effects of Angiogenic Inhibition in Diabetic Retinopathy
The retinal vasculature changes dramatically in patients with diabetic retinopathy especially between non-proliferative and proliferative disease. The retinal vasculature can be imaged and quantified using special dyes.
- Trial name
- NCT00411333
- Testing
- triamcinolone acetonide (Kenalog)
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Coronary Artery Disease
Comparison of UFR With QFR in Stable Coronary Artery Disease
Quantitative flow reserve (QFR), derived from coronary angiography, has shown high accuracy in detecting significant lesions. Ultrasonic flow ratio (UFR), a new development from IVUS, integrates physiological estimation with…
- Trial name
- NCT06322355
- Testing
- Coronary angiography, Fractional Flow Reserve measurement, Intravascular ultrasound
- Where
- China
- Volunteers
- 250 people
- Sponsor
- Shanghai Zhongshan Hospital
Multiple Sclerosis
Measuring Blood Vessel Density in the Optic Nerve of Multiple Sclerosis Patients With OCTA
The goal of this observational study is to learn about the effect of multiple sclerosis on the blood flow of the optic nerve of affected patients compared to normal subjects by OCTA. The main question it aims to answer is: 1.
- Trial name
- NCT07629804
- Testing
- Optical Coherence Tomography Angiography
- Where
- Egypt
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Fayoum University
Infertility
Physiotherapy Treatment for Uterine Blood Flow Improved Dimensional Ultrasound Evaluated With Angiography
Ivanovski shows that by studying the vascular impedance can calculate the optimal uterine receptivity in IVF. A reduced vascular resistance and increased blood flow rate improves the chance of pregnancy. Dr. Luis T.
- Trial name
- NCT02437435
- Testing
- Reproductive Technique Gimilio
- Where
- Spain
- Volunteers
- 54 people
- Sponsor
- University of Valencia
Hemangioma, Neoplasm Metastasis
Direct Injection of Alcohol for the Treatment of Spinal Tumors
Tumors of the spine can be described as primary, meaning that the tumor originated from cells normally found in the spine, or metastatic, cells from another area of the body that have spread to the spine.
- Conditions
- Hemangioma, Neoplasm Metastasis, Spinal Neoplasm
- Trial name
- NCT00001417
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Aortic Valve Stenosis
Non-Contrast Magnetic Resonance Angiography Assessment of Patients Referred for Transcatheter Aortic Valve Implantation
The overall objective of this proposal is to examine the feasibility and accuracy of non-contrast magnetic resonance angiography (MRA) to comprehensively evaluate individuals referred for transcatheter aortic valve implantation…
- Trial name
- NCT02007967
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Michigan
Retinopathy of Prematurity
Peripheral Avascular Retina in Retinopathy of Prematurity
Retinopathy of prematurity (ROP) is a widely known retinal vascular disorder in preterm infants and a leading cause of visual disability or blindness in children.
- Trial name
- NCT06044181
- Testing
- Diode laser photocoagulation.
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Assiut University
Surgery
Flap Fenestration and Facial Organ Fabrication Guided by ICGA
In this retrospective study, patients with severe head and neck deformity were treated with monoblock pre-expanded prefabricated flaps for total face restoration.
- Trial name
- NCT05360355
- Testing
- total face reconstruction surgery and intraoperative indocyanine green angiography
- Where
- China
- Volunteers
- 10 people
- Sponsor
- Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Stable Coronary Artery Disease
Computed Tomography Coronary Angiography Before Stent Implantation
The purpose of the study is to determine whether results of the computed tomography coronary angiography may be helpful in planning and performing percutaneous angioplasty in patients with stable angina pectoris.
- Trial name
- NCT01205425
- Testing
- PCI on the basis of coronary angiography, CT guided PCI
- Where
- Poland
- Volunteers
- 60 people
- Sponsor
- National Institute of Cardiology, Warsaw, Poland
Angiocardiography
The Safety and toleRability of UltraviSt in Patients Undergoing Cardiac CaTheterization (TRUST)
This study is to collect the information of Ultravist® in the patients indicated for the coronary angiography or PCI, like rate of ADR in patients, the dose for different indications, image quality to prove Ultravist the good…
- Trial name
- TRUST (NCT01206257)
- Testing
- Iopromide (Ultravist, BAY86-4877)
- Where
- China
- Volunteers
- 17,513 people
- Sponsor
- Bayer
Coronary Artery Disease
Virtual Coronary Physiology: an Angiogram is All You Need
Disease in coronary arteries kills more people in the UK than any other cause. The investigators have developed a computer system ('VIRTU') which predicts blood pressure changes inside coronary arteries.
- Trial name
- NCT02437734
- Testing
- Percutaneous Coronary Intervention
- Where
- United Kingdom
- Volunteers
- 119 people
- Sponsor
- Sheffield Teaching Hospitals NHS Foundation Trust
Heart Failure
Coronary Artery Disease in Hearts Donated for Transplantation
In spite of recent initiatives, in particular, the introduction into clinical practice of donation after circulatory death (DCD), there is a persistent mismatch between the demand for donor hearts for transplantation and their…
- Trial name
- NCT06528834
- Where
- United Kingdom
- Volunteers
- 10 people
- Sponsor
- Royal Brompton & Harefield NHS Foundation Trust
Aneurysm Abdominal
Reintervention Rates and Complications in Endovascular Aneurysm Repair (EVAR) and the Use of Colour Doppler Ultrasound (CDUS) and Computed Tomography Angiography (CTA) in Identifying Endoleak Complications
To provide a robust view of EVAR surveillance at UHL, this study proposes to retrospectively assess the surveillance programme to get a better view of post-operative complications following endovascular aneurysm repair.
- Trial name
- NCT07581392
- Where
- Ireland
- Volunteers
- 405 people
- Sponsor
- University Hospital of Limerick
Contrast-induced Nephropathy, Acute Kidney Injury
Contrast Nephropathy Associated FFA
After the use of iodinated contrast agents, there is a risk of developing contrast nephropathy. Limited data in the literature are available on the incidence of contrast nephropathy after fluorescein angiography (FFA), which is…
- Trial name
- NCT06418542
- Testing
- use of florescein
- Where
- Turkey (Türkiye)
- Volunteers
- 140 people
- Sponsor
- Saglik Bilimleri Universitesi
Macular Holes
Macular Micro Vascular Changes Following Macular Hole Repair : Optical Coherence Tomography Angiography Study
The goal of this prospective interventional study is to to compare the micro vascular and structural changes between surgery with and without ILM flap to repair macular hole.
- Trial name
- NCT06233500
- Testing
- pars plana vitrectomy
- Where
- Egypt
- Volunteers
- 28 people
- Sponsor
- Fayoum University
Rectal Cancer
Intraoperative Angiography Using ICG in Rectal Cancer Patients to Prevent Anastamotic Leak After Laparoscopic Anterior Resection of the Rectum
The study enrols patients with operative rectal cancer qualified for laparoscopic anterior resection. Patients are given first dose of indocyanine green iv intraoperatively (ICG) before choosing the appropriate site of the…
- Trial name
- NCT05263336
- Testing
- Verdye Green
- Where
- Poland
- Volunteers
- 180 people
- Sponsor
- Jagiellonian University
Brain Death
Evaluation of CTA on the Assessment of Brain Death
At present, different countries have different standards for the diagnosis of brain death, but according to the classic brain death confirmation test, it needs to be combined with transcranial Doppler, EEG, evoked potential and…
- Trial name
- NCT04914039
- Testing
- Combination Product, NO CTA examination
- Where
- China
- Volunteers
- 63 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Acute Myocardial Infarction, Unstable Angina
Exploring the Mechanism of Plaque Rupture in Acute Coronary Syndrome Using Coronary CT Angiography and Computational Fluid Dynamics II (EMERALD II) Study
The EMERALD II study is a multinational, multicenter, and retrospective study. ACS patients who underwent CCTA from 1 months to 3 years prior to the event will be retrospectively identified.
- Trial name
- EMERALD II (NCT03591328)
- Testing
- Coronary CT angiography
- Where
- South Korea
- Volunteers
- 429 people
- Sponsor
- Seoul National University Hospital