Search clinical trials for: ultrasonic flow ratio

Total 6395 results

China National Center for Cardiovascular Diseases

Recruiting

Functional Diagnostic Accuracy of Ultrasonic Flow Ratio in Assessment of Left Main Coronary Artery Stenosis (FUNCTION II)

Left Main Coronary Artery Disease

China
China National Center for Cardiovascular Diseases

Not yet recruiting

Functional Diagnostic Accuracy of Ultrasonic Flow Ratio in Assessment of Coronary Artery Lesions (FUNCTION)

Coronary Artery Stenosis
Mei Gao

Not yet recruiting

Factors Related to the Progression of Non-target Coronary Lesions

Coronary Stenosis
Wuhan Union Hospital, China

Recruiting

Evaluate the Effect of Prone Ventilation on Ventilated-blood Flow Ratio in Patients With ARDS by EIT

Acute Respiratory Distress Syndrome | Ventilation Perfusion Mismatch | Electrical Impedance Tomography | Prone Position Ventilation

China
Sejong General Hospital
Seoul St. Mary's Hospital; Pusan National University Hospital; Ulsan University... and other collaborators

Recruiting

Resting Full-cycle Ratio (RFR)-Guided Revascularization

Coronary Artery Disease

Korea, Republic of
Sejong General Hospital
Keimyung University Dongsan Medical Center; Soon Chun Hyang University; Hanyang...

Recruiting

Resting Full-cycle Ratio in Side Branch

Coronary Artery Disease

Korea, Republic of
Catherine Giannopoulou
University of Geneva, Switzerland

Recruiting

Air-polishing With Erythritol During Orthodontic Tretament (AirPort)

White Spot Lesion | Inflammation Gum

Switzerland
Assistance Publique - Hôpitaux de Paris

Recruiting

Brain PERfusion Evaluation by Contrast-Enhanced UltraSound (PerCEUS)

Ischemic Stroke | Subarachnoid Hemorrhage | Cerebral Hemorrhage | Cerebrovascular Circulation | Perfusion

France
Assiut University

Not yet recruiting

Impact of Neutrophil Lymphocyte and Monocyte Lymphocyte Ratio on Chronic Kidney Disease Patients Outcome

Hemodialysis Complication
Yonsei University
Philips Healthcare

Recruiting

Impact of Dynamic CoROnary RoADmap System for Guidance of Instantaneous Wave-Free Ratio or Fractional Flow Reserve (ROAD-IFR)

Ischemic Heart Disease

Korea, Republic of
China National Center for Cardiovascular Diseases

Not yet recruiting

The FAVOR V AMI Trial

Percutaneous Coronary Intervention | Multivessel Coronary Artery Disease | ST-Segment Elevation Myocardial Infarction
University Hospital Inselspital, Berne

Recruiting

Intracoronary ECG ST-segment Shift Remission Time During Reactive Coronary Hyperemia (τ-icECG)

Chronic Coronary Syndrome

Switzerland
China National Center for Cardiovascular Diseases
Fuwai Yunnan Cardiovascular Hospital

Recruiting

HuoXin Pills Intervention on Patients With Coronary Heart Disease After Drug-Coated Balloon Implantation (HAPPY-DCB)

Coronary Heart Disease | Medicine, Chinese Traditional

China
New World Medical, Inc.

Recruiting

STREAMLINE®SURGICAL SYSTEM Compared to iStent Inject W® in Patients With Open-Angle Glaucoma (VENICE)

Open Angle Glaucoma

United States, Costa Rica
Helios Health Institute GmbH
Heart Center Leipzig - University Hospital

Recruiting

Complete Functional Assessment of Intermediate Coronary Artery Stenosis Before and After Transcatheter Aortic Valve Implantation (TAVI) in Patients With Severe Symptomatic Aortic Valve Stenosis (CHOICE-FR)

Coronary Artery Stenosis | Transcatheter Aortic Valve Implantation

Germany
Shanghai Zhongshan Hospital
Chinese Academy of Medical Sciences, Fuwai Hospital

Not yet recruiting

PrOgnostic imPlicaTIons of 2-diMensIonal Patterns for Residual Disease After Stenting CharacteriZEd by Quantitative Flow Ratio Pullback Curve Analysis (CHART-OPTIMIZE)

Coronary Artery Disease
Shanghai Zhongshan Hospital
Chinese Academy of Medical Sciences, Fuwai Hospital

Not yet recruiting

PrOgnostic Implications of PRe-stent Pullback Pressure GradIent and Post-stent Quantitative Flow Ratio in Patients UnderGoing Percutaneous Coronary INtervention (CHART-ORIGIN)

Coronary Artery Disease
Laval University
Opsens, Inc.; International Chair on Interventional Cardiology and Transradial...

Recruiting

Physiology as Guidance to Evaluate the Direct Impact of Coronary Lesion Treatment: The PREDICT Study (EASY-PREDICT)

Coronary Artery Disease | Chest Pain | Ischemic Heart Disease | Stable Angina | Unstable Angina

Canada
National University of Ireland, Galway, Ireland

Recruiting

The PIONEER-IV Study is Comparing Clinical Outcomes Between Angiography-derived Physiology Guidance to Usual Care in an All-comers PCI Population With Unrestrictive Use of the HT Supreme Sirolimus-eluting Stent (PIONEER-IV)

Coronary Artery Disease

Belgium, Netherlands, Ireland, United Kingdom, Spain
Amsterdam UMC, location VUmc

Recruiting

Registry of Patients That Have Undergone ICA or PCI (ICA-PI)

Coronary Artery Disease

Netherlands
Johannes Gutenberg University Mainz

Recruiting

QUantitative Flow Ratio Or Angiography for the assessMent of nOn-culprit Lesions (QUOMODO)

Coronary Artery Disease

Germany
Fudan University
Shanghai Jiao Tong University -Pulse Medical Imaging Technology Joint Lab

Recruiting

Diagnostic Accuracy of CCTA-derived Versus AngiogRaphy-dErived QuantitativE Flow Ratio (CAREER) Study (CAREER)

Coronary Artery Disease | Coronary Stenosis | Hemodynamics | Coronary Computed Tomography Angiography

China
Laval University
Quebec Heart Institute

Recruiting

Physiology and Residual Ischemia After Percutaneous Coronary Intervention (EASY-PRIPCI)

Coronary Artery Disease | Chest Pain | Angina Pectoris | Ischemic Heart Disease | Coronary Restenosis

Canada
National University of Ireland, Galway, Ireland

Recruiting

Multivessel TALENT

Myocardial Ischemia | Heart Diseases | Cardiovascular Diseases | Vascular Diseases | Coronary Artery Disease | Coronary Disease | Arterial Occlusive Diseases

Ireland
Diagram B.V.

Recruiting

Resting Full-cycle Flow Ratio (RFR) Versus Angiography to Guide Revascularization Strategy in Patients Undergoing Coronary Artery By-pass Grafting (CABG) (RFR-CABG)

Coronary Artery Disease

Belgium, Poland, Slovakia
Hospital Clínico Universitario de Valladolid

Recruiting

Validation Of Quantitative Flow Ratio (QFR) - Derived Virtual Angioplasty (QIMERA-I)

Coronary Occlusion

Spain
Nanjing First Hospital, Nanjing Medical University

Not yet recruiting

Safety and Efficacy of DCB Therapy for ISR Under the Guidance of QFR (UNIQUE-DCB-II Study )

Coronary Heart Disease

China
Nanjing First Hospital, Nanjing Medical University

Not yet recruiting

Safety and Efficacy of DCB Therapy for de Novo Lesions Under the Guidance of QFR in CHD Patients (UNIQUE-DCB-I Study )

Coronary Heart Disease

China
Ruijin Hospital
Med-X Research Institute, Shanghai Jiao Tong University

Recruiting

Quantitative Flow Ratio (QFR) Guided Revascularization Strategy for Patients Undergoing Primary Valve Surgery With Comorbid Coronary Artery Disease (FAVOR4-QVAS)

Primary Valvular Heart Disease With Comorbid Coronary Artery Disease | Planned to Undergo Elective On-pump Valve Surgery Due to Primary Mitral and/or Aortic Valvular Heart Disease

China
American Heart of Poland
Silesian Centre for Heart Diseases; Andrzej Frycz Modrzewski Kraków University... and other collaborators

Not yet recruiting

Revascularization Strategies in Patients With Non-ST-Segment Elevation Acute Coronary Syndrome (NSTE-ACS) and Severe Coronary Artery Disease (MILESTONE)

Acute Coronary Syndrome | Multivessel Coronary Artery Disease

Poland
National Cancer Institute (NCI)
NRG Oncology

Active, not recruiting

Testing the Drug Atezolizumab or Placebo With Usual Therapy in First-Line HER2-Positive Metastatic Breast Cancer

Unresectable Breast Carcinoma | Stage IV Breast Cancer AJCC v6 and v7 | Stage III Breast Cancer AJCC v7 | Metastatic Breast Adenocarcinoma | Metastatic HER2-Positive Breast Carcinoma | Recurrent Breast Adenocarcinoma | Recurrent HER2-Positive Breast Carcinoma | Unresectable HER2-Positive Breast Carcinoma

United States, Canada
Aarhus University Hospital Skejby
Medis Medical Imaging Systems

Active, not recruiting

Functional Assessment by Virtual Online Reconstruction. The FAVOR III Europe Japan Study (FAVOR III EJ)

Coronary Artery Disease

Spain, Denmark, Sweden, Italy, Lithuania, Netherlands, Germany, France, Latvia, Poland, Switzerland
Samsung Medical Center
Seoul National University Hospital; Inje University; Chosun University Hospital; Dongsan Medical Center

Completed

Multicenter Registry for Angiography-Derived Quantitative Flow Ratio (QFRRegistry)

Ischemic Heart Disease

Korea, Republic of
Mayo Clinic
National Heart, Lung, and Blood Institute (NHLBI)

Enrolling by invitation

Ultrasonic Perfusion Estimation in Calf Muscle

Peripheral Arterial Disease

United States
Istanbul Training and Research Hospital

Completed

The Effects of Minimal Enteral Nutrition on Mesenteric Blood Flow and Oxygenation in Neonates With HIE

Hypoxic-Ischemic Encephalopathy

Turkey
Seoul National University Hospital
Ulsan University Hospital; Severance Hospital; Keimyung University Dongsan Medical... and other collaborators

Completed

Diagnostic Accuracy of Quantitative Flow Ratio

Coronary Artery Disease

Korea, Republic of
Federico II University

Completed

Effects of Guiding Catheter on FFR and NHPR for the Assessment of Coronary Artery Stenoses (Disengage@Rest) (Disengage@Rest)

Coronary Artery Disease

Italy
Insight Lifetech Co., Ltd.
Shanghai Zhongshan Hospital; Peking University Third Hospital; Shandong Provincial... and other collaborators

Completed

Sensor-equipped Ultrathin Pressure Microcatheter Versus Pressure Wire for Physiological Measurements (SUPREME II)

Myocardial Ischemia | Coronary Artery Disease | Coronary Disease

China
Yale University

Enrolling by invitation

Fractional Flow Reserve and Instantaneous Free-wave Ratio Revascularization Strategies in Women (FiRST)

Coronary Disease | Percutaneous Coronary Intervention | Cardiac Catheterization | Myocardial Perfusion Imaging | Exercise Test

United States
University of Siena

Completed

Non-surgical Treatment of Peri-implant Mucositis: FMUD vs FMUD and Air-Flow Master Piezon®

Peri-implant Mucositis

Italy
Ruijin Hospital

Completed

Quantitative Flow Ratio on Radial Artery Graft Outcome After Coronary Artery Bypass Grafting (ASRAB-QUARGO)

Coronary Artery Disease

China
Opsens, Inc.

Terminated

OpSens PRIME CLASS

Aortic Stenosis

Spain
Samsung Medical Center
Seoul National University Hospital; Philips Healthcare

Active, not recruiting

INsTantenous wavE-Free Ratio-guided PCI Versus Fractional Flow REserve-Guided PCI in rouTine Clinical Practice, Prospective, Multicenter Registry (INTERPRET)

Stable Angina | ST-segment Elevation Myocardial Infarction | Unstable Angina | Non ST Segment Elevation Myocardial Infarction | Silent Myocardial Ischemia

Korea, Republic of
Samsung Medical Center
RainMed Medical

Completed

Prognostic Implication of Angiography-Derived IMR in STEMI Patients

Acute ST-segment Elevation Myocardial Infarction
Ceric Sàrl

Terminated

Physio PCI: Impact of Coronary Angioplasty on Non-hyperaemic Pressure Ratio in Patients With Coronary Artery Disease

Coronary Artery Disease

United Arab Emirates
China National Center for Cardiovascular Diseases

Active, not recruiting

The FAVOR III China Study (FAVORIII)

Coronary Artery Disease | Percutaneous Coronary Intervention | Coronary Stenosis | Myocardial Ischaemia | Coronary Circulation

China
Samsung Medical Center
Ulsan University Hospital; Sejong General Hospital; Chosun University Hospital; Inje University Ilsan Paik Hospital

Completed

Prognostic Perspective of Invasive Hyperemic and Non-Hyperemic Physiologic Indices Measured After Percutaneous Coronary Intervention (PERSPECTIVEPCI)

Ischemic Heart Disease

Korea, Republic of
ECRI bv
Boston Scientific Corporation; Volcano Corporation

Completed

Trial Evaluating New Strategy in the Functional Assessment of 3-vessel Disease Using SYNTAXII Score in Patients With PCI

Heart Diseases | Cardiovascular Diseases | 3 Vessel Coronary Artery Disease

Netherlands, Poland, Spain, United Kingdom
Pablo Manuel Fernandez Corredoira
Hospital Universitario Virgen de la Arrixaca; Fundación de Investigación Biomédica... and other collaborators

Completed

3D-QFR in Non-selected Angiographic Stenosis. A Spanish Multicentre Study.

Coronary Artery Disease | Coronary Stenosis
Aga Khan University Hospital, Pakistan

Completed

Clinical Outcomes of Patients With Deferred Revascularization Based on FFR and iFR Negative Coronary Artery Lesions.

Coronary Artery Disease

Pakistan

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