Clinical trials: Carotid Doppler
Diabetes Mellitus, Type 2, Chronic Kidney Disease
Carotid Doppler Screening for Subclinical Atherosclerosis in Diabetic CKD Patients.
This study is being done at Assiut University to look for early signs of hardening of the arteries (atherosclerosis) in people who have both diabetes and chronic kidney disease (CKD).
- Conditions
- Diabetes Mellitus, Type 2, Chronic Kidney Disease, Atherosclerosis
- Trial name
- DiCKD-CAROTID (NCT07266220)
- Volunteers
- 96 people
- Sponsor
- Abdallah Ali Mohammed
Carotid Artery Stenosis, Ischemic Stroke
Platelet Reactivity and MES During CEA
The purpose of this study is to analyze the association between aspirin efficacy and general platelet reactivity in relation to microembolic signals (MES) during carotid endarterectomy (CEA).
- Conditions
- Carotid Artery Stenosis, Ischemic Stroke, Myocardial Infarction, Aspirin Resistance
- Trial name
- NCT01547039
- Where
- Netherlands
- Volunteers
- 200 people
- Sponsor
- UMC Utrecht
End-stage Liver Disease (ESLD), Liver Transplantation
View of Cerebral Perfusion in Liver Transplantation
Investigator's aim in this study is to compare the more accessible and low-cost Carotid Doppler USG measurements, which are relatively more difficult to access, costly, and have technical disadvantages, and to demonstrate their…
- Conditions
- End-stage Liver Disease (ESLD), Liver Transplantation, Cerebral Perfusion, Intraoperative Monitoring
- Trial name
- NIRS/Doppler (NCT07442214)
- Testing
- Carotid Doppler Ultrasonography and Near-Infrared Spectroscopy (NIRS)
- Where
- Turkey (Türkiye)
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Inonu University
Hypertension, Aortic Aneurysm
Measurement of Heart-carotid Pulse Wave Velocity (hcPWV) by Laser Doppler Vibrometry (LDV)
Aortic stiffness is an important imaging biomarker of vascular aging. The ascending aorta is the most elastic segment, and it is excluded by reference non-invasive method carotid to femoral pulse wave velocity (PWV).
- Conditions
- Hypertension, Aortic Aneurysm, Bicuspid Aortic Valve, Marfan Syndrome
- Trial name
- InSide-CC (NCT05711693)
- Testing
- Laser doppler vibrometry (LDV), heart(cordium) carotid pulse wave velocity (ccPWV), Blood pressure and heart rate measurement, carotid to femoral PWW measurement
- Where
- France
- Volunteers
- 100 people
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Post Induction Hypotension, Postoperative Morbidity
Preoperative Carotid Doppler Ultrasound Parameters for Prediction of Post-Induction Hypotension in Elective Non-Cardiac Surgery
This prospective observational study aims to evaluate the predictive value of preoperative carotid Doppler ultrasound parameters, including carotid velocity-time integral (carotid VTI) and corrected carotid flow time (ccFT), for…
- Trial name
- NCT07488182
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people
- Sponsor
- Necmettin Erbakan University
Septic Shock
Carotid Doppler and EEOT for Fluid Responsiveness Prediction
Fluid responsiveness prediction prior to fluid challenge administration is a topic of interest, which has been extensively investigated, but remains challenging.
- Trial name
- NCT04470856
- Testing
- End-expiratory occlusion test (EEOT)
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Lipodystrophy
Carotid Doppler Peak Velocity Variation in Liposuction Fluid Management
This study aims to compare the hemodynamic parameters, postoperative plethysmography variability index, the total amount of postoperative intravenous fluid administration needed, and the urine output of two methods of fluid…
- Trial name
- NCT05930106
- Testing
- Intraoperative fluid ratio, Carotid Artery Doppler Peak Velocity Variation
- Where
- Mexico
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- TJ Plast Advanced Center for Plastic Surgery
Coronary Artery Disease, Carotid Artery Stenosis
A Real-World Study on Ultrasound-Based Screening and Integrated Therapeutic Strategies for Patients With Concomitant Coronary and Cervicocephalic Artery Stenosis
This prospective observational cohort study aims to investigate the prevalence and clinical significance of head and neck arterial stenosis in patients with coronary artery disease (CAD) undergoing or scheduled for percutaneous…
- Conditions
- Coronary Artery Disease, Carotid Artery Stenosis, Cerebrovascular Disorders
- Trial name
- ANGEL-UNIFY (NCT07034157)
- Testing
- Percutaneous Coronary Intervention, Cerebrovascular Intervention (CAS ）, No Intervention / Observation
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Beijing Anzhen Hospital
Vertigo, Carotid Artery Diseases
Is Carotid-Vertebral Doppler Ultrasonography Necessary for Patients With Vertigo?
This study will be carried out prospectively on patients who applied to the cardiovascular surgery polyclinic and the carotid-vertebral artery doppler ultrasound due to the vascular problem.
- Trial name
- NCT05196685
- Testing
- Carotid Doppler USG
- Where
- Turkey (Türkiye)
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- Pamukkale University
Critically Ill, Hypovolemia
Fluid Responsiveness After CArdiac Surgery Study
Study Design: Prospective observational study Study Location: Liverpool Hospital Intensive Care Unit, South Western Sydney Local Health District, Sydney, Australia.
- Trial name
- FRACAS (NCT02841943)
- Where
- Australia
- Volunteers
- 102 people
- Sponsor
- South West Sydney Local Health District
Ischemic Stroke, Transient Ischemic Attack
Comparison Between Non-contrast Magnetic Resonance Angiography and Carotid Doppler in Cerebrovascular Stroke
This prospective observational study aims to compare the diagnostic performance of non-contrast magnetic resonance angiography (NC-MRA) and carotid Doppler ultrasonography in the evaluation of carotid artery disease among…
- Conditions
- Ischemic Stroke, Transient Ischemic Attack, Carotid Artery Stenosis (Symptomatic and Asymptomatic)
- Trial name
- NCT07756775
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Sohag University
Carotid Stenosis, Cerebral Hyperperfusion Syndrome
Accuracy of TCD Monitoring in Predicting Cerebral Hyperperfusion Syndrome After Carotid Endarterectomy
Background: Cerebral hyperperfusion syndrome (CHS) is a life threatening complication of carotid endarterectomy (CEA) and the changes of middle cerebral artery velocity are used to predict the occurrence of CHS but the accuracy…
- Conditions
- Carotid Stenosis, Cerebral Hyperperfusion Syndrome, Blood Pressure
- Trial name
- NCT01799070
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Peking Union Medical College Hospital
Carotid Stenosis
Platelet Inhibition and Transcranial Doppler (TCD)-Detected Microemboli During and After Carotid Artery Stenting (CAS) in Asymptomatic Patients Prior to Cardiac Surgery
As with coronary artery stenting, activation and embolisation of platelets occurs with carotid artery stenting (CAS). Based on promising data on the use of clopidogrel plus aspirin in coronary stenting this dual antiplatelet…
- Trial name
- IMPACT (NCT01146301)
- Testing
- Clopidogrel
- Where
- Netherlands
- Sponsor
- R&D Cardiologie
Ischemic Stroke, Carotid Stenosis
STAND: iSchemic sTroke evAluated at Bed Side With ultrasouND
Ischemic strokes account for more than 80% of strokes. Ischemic strokes are caused by the occlusion of an intracranial artery by a thrombus, responsible for tissue ischemia related to a decrease in local cerebral blood flow…
- Trial name
- STAND (NCT04180826)
- Testing
- Observational
- Where
- France
- Volunteers
- 33 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Carotid Web
Familial Form of Carotid Web: a Doppler Ultrasound Study
There is no evidence of familial forms of carotid web. The aim of this study is to determine the prevalence of carotid web among relatives of patient with carotid web using carotid doppler ultrasound.
- Trial name
- Family-WEB (NCT06336083)
- Testing
- Doppler ultrasound
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
Post-induction Hypotension (PIH), Gynecologic Oncology Patient
Carotid Doppler Parameters and Post-Induction Hypotension
Post-induction hypotension is a common complication following the induction of general anesthesia and is associated with adverse postoperative outcomes.
- Conditions
- Post-induction Hypotension (PIH), Gynecologic Oncology Patient, Ultrasonography, Doppler
- Trial name
- CDUS-PIH (NCT07385274)
- Testing
- pre- induction carotid doppler ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 91 people
- Sponsor
- Ankara City Hospital Bilkent
Carotid Stenosis
A First-in-Human Feasibility Study of the Vibrant Stroke Detection Technology During Carotid Endarterectomies
The goal of this observational study is to learn whether continuous carotid artery blood flow signals can be recorded reliably during surgery, and whether Vibrant Medical's analysis method can detect measurable changes in those…
- Trial name
- NCT07851389
- Testing
- Bilateral carotid Doppler signal acquisition (Vibrant Stroke Detection Technology)
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Vibrant Medical Ltd.
Hemodynamic Instability
Respiratory Variation of Carotid Doppler Peak Velocity (CDPV) for Non-invasive Prediction of Fluid Responsiveness
The purpose of this study is to assess respiratory variation of carotid doppler peak velocity (∆CDPV) for prediction of fluid responsiveness during major abdominal surgery.
- Trial name
- NCT05185141
- Where
- Germany
- Volunteers
- 84 people
- Sponsor
- Johannes Gutenberg University Mainz
Asymptomatic Carotid Stenosis, Symptomatic Carotid Stenosis
Transcranial Doppler(TCD) Evaluation of High Intensity Transient Signals and Carotid Disease
Carotid Disease causes 10% of strokes. The Investigators are attempting to investigate the use of Transcranial Doppler to see if this is and effective, efficient, and/or valid way to identify individuals at highest risk for…
- Conditions
- Asymptomatic Carotid Stenosis, Symptomatic Carotid Stenosis, TCD, HITS
- Trial name
- TCD (NCT05829200)
- Testing
- Transcranial Doppler (TCD)
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Ochsner Health System
Carotid Stenosis, Carotid Artery Diseases
Embolic Signals Detection Study (Esds) in Candidates for Surgical Carotid Revascularisation
About 20% of strokes are caused by emboli deriving from a carotid plaque. In symptomatic patients with carotid stenosis grater than 70% the Carotid Endarterectomy (CEA) reduces stroke risk by about 75% and is generally accepted…
- Conditions
- Carotid Stenosis, Carotid Artery Diseases, Carotid Atherosclerosis, Carotid Artery Plaque
- Trial name
- NCT05134493
- Where
- Italy
- Volunteers
- 120 people
- Sponsor
- Azienda Ospedaliero-Universitaria di Modena