Clinical trials: Vascular Occlusion Test
Chest Pain, Coronary Disease
MRI Evaluation of Chest Pain
This study will assess the value of magnetic resonance imaging (MRI) in detecting heart attack and heart attack risk in patients who come to the hospital emergency room because of chest pain.
- Conditions
- Chest Pain, Coronary Disease, Myocardial Infarction
- Trial name
- NCT00001961
- Testing
- MRI
- Where
- United States
- Volunteers
- 360 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Microcirculation
Microcirculatory Alteration by a Vascular Occlusion Test Using Near-infrared Spectroscopy in Pediatric Cardiac Surgery
Cardiopulmonary bypass cause microcirculatory alterations. Near infrared spectroscopic measurement of tissue oxygen saturation and vascular occlusion test are novel technologies for assessing the microcirculatory function of…
- Trial name
- NCT06191913
- Testing
- Near-infrared spectroscop
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital
Chest Pain, Coronary Occlusion
Advanced Cardiovascular Imaging Consortium
The ACIC is a Collaborative Quality Improvement (CQI) program involving the collection of data related to: indications for Coronary Computed Tomography (CCTA), patient health characteristics, acquisition techniques of CCTA scans…
- Conditions
- Chest Pain, Coronary Occlusion, Coronary Artery Disease
- Trial name
- ACIC (NCT00640068)
- Where
- 50 sites in United States
- Volunteers
- 42,926 people, healthy volunteers welcome
- Sponsor
- Corewell Health East
Coronary Artery Disease
Family Atherosclerosis Counseling and Testing Project
Family history of early atherosclerotic disease in a first-degree relative [(FDR) sibling, parent or child] is an important risk factor for coronary artery and/or vascular disease.
- Trial name
- NCT00387595
- Sponsor
- University of British Columbia
Lupus Erythematosus, Systemic
Atherosclerosis Prevention in Pediatric Lupus Erythematosus (APPLE)
The purpose of this study is: 1. To assess the efficacy of a lipid-lowering agent (atorvastatin) on the development of atherosclerosis that predisposes children with SLE to cardiovascular events in adulthood. 2.
- Trial name
- NCT00065806
- Testing
- Atorvastatin
- Where
- United States
- Volunteers
- 221 people
- Sponsor
- Laura Schanberg
Sickle Cell Leg Ulcer
Test of the Safety, Effectiveness, & Acceptability of An Improvised Dressing for Sickle Cell Leg Ulcers in the Tropics
One in 300 Jamaicans have HbSS sickle cell disease, and of these, up to 70% will suffer from sickle cell leg ulcers (SCLUs). Of these, 24% will have a chronic SCLU (one lasting longer than 6 months).
- Trial name
- SCLUJamaica (NCT04479618)
- Testing
- Usual Practice, Improvised dressing, Advanced dressing
- Where
- Jamaica
- Volunteers
- 48 people
- Sponsor
- Benskin, Linda, PhD, RN, SRN (Ghana), CWCN, CWS, DAPWCA
Peripheral Artery Disease
Walking Impairment Questionnaire in PAD
Purpose is to test and validate a new questionnaire (the WELCH questionnaire) to estimate walking capacity in patients with claudication
- Trial name
- WELCH (NCT01114178)
- Testing
- questionnaire
- Where
- France
- Volunteers
- 340 people
- Sponsor
- University Hospital, Angers
Pulmonary Arteriovenous Malformations, Hereditary Hemorrhagic Telangiectasia
Cardiopulmonary Exercise Testing to Evaluate Pulmonary AVMs With and Without Airflow Obstruction
Pulmonary arteriovenous malformations (PAVMs) are a rare vascular condition affecting the lungs. PAVMs lead to low blood oxygen levels, yet are very well tolerated by patients.
- Conditions
- Pulmonary Arteriovenous Malformations, Hereditary Hemorrhagic Telangiectasia, Asthma, COPD
- Trial name
- ExercisePAVM2 (NCT02458703)
- Testing
- Cardiopulmonary exercise test
- Volunteers
- 60 people
- Sponsor
- Imperial College London
Atherosclerosis, Heart Failure, Congestive
The Role of Angiotensin Type I Receptor in the Regulation of Human Coronary Vascular Function
The renin angiotensin system (RAS) plays an important physiological and pathophysiological role in the control of blood pressure and plasma volume.
- Conditions
- Atherosclerosis, Heart Failure, Congestive, Hypertension, Myocardial Infarction
- Trial name
- NCT00001629
- Testing
- Angiotensin II type 1 receptor antagonists
- Where
- United States
- Volunteers
- 49 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Dyspnea, Coronary Artery Disease
Dyspnea in Stable Patients With Coronary Artery Disease.
Single-centre prospective study to characterize causes of dyspnea in stable patients with coronary artery disease and evaluate the possibility to determine the cause of dyspnea before in-depth examination.
- Trial name
- NCT04408612
- Testing
- Scales for assessment of symptoms
- Where
- Russia
- Volunteers
- 200 people
- Sponsor
- National Research Center for Preventive Medicine
Liver Cirrhosis, Early Allograft Dysfunction
Intraoperative Assessment of Microcirculatory Function Using Vascular Occlusion Test During Liver Transplantation
Early allograft dysfunction (EAD) remains one of the most important complications following orthotopic liver transplantation (OLT).
- Trial name
- NCT07658794
- Where
- Greece
- Volunteers
- 50 people
- Sponsor
- Ippokrateio General Hospital of Thessaloniki
Coronary Artery Disease
Combined Supine/Prone Acquisitions in Stress-First/Stress-Only Myocardial Perfusion Imaging to Reduce Equivocal Results
Participants are being asked to participate in this research study because the participant's doctor has ordered a myocardial perfusion SPECT (Single-Photon Emission Computed Tomography) scan to look at the blood flow in the…
- Trial name
- SFSO-MPI (NCT02576886)
- Testing
- Gamma Camera, Prone Imaging
- Where
- Canada
- Volunteers
- 490 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
Peripheral Artery Disease
Exercise Testing in Peripheral Artery Disease Patients
The aim of this study was to evaluate exercise testing in case of patients suspected of Peripheral Artery Disease (PAD).
- Trial name
- ExercisePAD (NCT03186391)
- Testing
- Data collected
- Where
- France
- Volunteers
- 5,000 people
- Sponsor
- Rennes University Hospital
Obstructive Sleep Apnea, Alzheimer Disease
ENhancing Outcomes in Cognitive Impairment Through Use of Home Sleep ApNea Testing
Obstructive sleep apnea (OSA), which causes abnormal pauses in breathing during sleep, is common in patients with vascular cognitive impairment (VCI) and Alzheimer's disease (AD), and exacerbates the cognitive deficits seen in…
- Conditions
- Obstructive Sleep Apnea, Alzheimer Disease, Vascular Dementia, Mild Cognitive Impairment
- Trial name
- ENCHANT (NCT04335994)
- Testing
- In-laboratory polysomnography, Home Sleep Apnea Test
- Where
- Canada
- Volunteers
- 200 people
- Sponsor
- Sunnybrook Health Sciences Centre
Congenital Heart Disease
Relationship Between Parameters of VOT Using NIRS and Clinical Outcomes in Pediatric Cardiac Surgery
The purpose of this study is to evaluate the ability of vascular occlusion test (VOT) during cardiac surgery to predict postoperative outcomes in pediatric patients.
- Trial name
- NCT02287753
- Testing
- vascular occlusion test using Pediatric SomaSensor for INVOS 5100C
- Where
- South Korea
- Volunteers
- 130 people
- Sponsor
- Seoul National University Hospital
Coronary Artery Disease, Obesity
Structured Physiotherapy Program in Obese and Non-obese Patients
A routine physiotherapy program has been shown to be effective in the prevention and treatment of cardiopulmonary diseases. It also significantly increases functional capacity following coronary artery bypass grafting.
- Trial name
- NCT05357937
- Testing
- standard physiotherapy program
- Where
- Saudi Arabia
- Volunteers
- 50 people
- Sponsor
- University of Jazan
Carotid Arteriosclerosis, Near Infrared Spectroscopy
Comparison of Cerebral Oximetry and Neurological Status Testing in the Awake Patient in the Detection of Cerebral Ischemia During Carotid Endarterectomy
This randomized controlled study compares two methods of intraoperative cerebral ischemia monitoring during carotid endarterectomy performed under regional anesthesia: neurological testing in the awake patient and near-infrared…
- Trial name
- NCT07485933
- Testing
- Awake Neurological Testing, Near-Infrared Spectroscopy (NIRS) Monitoring
- Where
- Serbia
- Volunteers
- 160 people
- Sponsor
- Clinic for Vascular and Endovascular Surgery, University Clinical Center of Serbia
Cardiovascular Disease
Evaluation of Patients With Heart Disease Not Eligible for Research Protocols
An important mission of the National Institutes of Health (NIH) is to develop and carry out research studies designed to improve understanding of disease processes and treatments.
- Trial name
- NCT00001458
- Where
- United States
- Volunteers
- 7,829 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)