Clinical trials: Carotid Doppler
Hypotension (MeSH: D007022)
Carotid Artery Blood Flow, Blood Pressure, and Cardiac Output During Anesthesia in Children Aged 0-5 Years
Blood pressure is routinely monitored during anesthesia in children, but blood pressure alone may not accurately reflect blood flow to vital organs.
- Trial name
- CARFLOW (NCT07847203)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Epicardial Fat, Visceral Fat
Epicardial Fat, Visceral Fat and Coronary Atherosclerosis
Background: Visceral fat is increasingly associated with metabolic syndrome and with fatty liver, a condition carrying a high risk of cardiovascular disease.
- Conditions
- Epicardial Fat, Visceral Fat, Atherosclerosis
- Trial name
- NCT01344694
- Testing
- patient with liver fat, pts. with excess of visceral fat, control
- Where
- Israel
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Ziv Hospital
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
Healthy Amateur Divers
Effects of Voluntary Neck Extension on Cerebral Blood Flow, in Breath-hold Divers Ending an Apnoea of Two Minutes or More.
The aim of this study is to demonstrate the effect of the voluntary neck extension in the occurrence of an increase in the pulsatility index of the right internal carotid artery in the amateur diver, realizing an apnea of two…
- Trial name
- APNECK (NCT03210857)
- Testing
- apnea performing
- Where
- France
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Nantes University Hospital
Cystic Fibrosis, Endothelial Dysfunction
Vascular Health and Function in Cystic Fibrosis
The goal of this observational study is to learn whether blood vessel health and function differ between adults aged 40 years or older with cystic fibrosis (CF) who are taking CFTR modulator therapy and healthy adults of the same…
- Conditions
- Cystic Fibrosis, Endothelial Dysfunction, Cardiovascular Risk Factor
- Trial name
- CF-VHF (NCT07904325)
- Testing
- Non-invasive vascular, cerebrovascular and autonomic assessment
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Liverpool Heart and Chest Hospital NHS Foundation Trust
Stroke
Effects of Aerobic Exercise on the Cerebral Arterial System, Cognitive, and Motor Function in Post-stroke Patients.
Background: Stroke is the second leading cause of death and disability worldwide and in Hong Kong, 6.2% of all registered deaths in 2020 were due to cerebrovascular disease.
- Trial name
- NCT05706168
- Testing
- treadmill exercise, Cycle ergometer exercise
- Where
- Hong Kong
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
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
Thyroid, Carotid Doppler
Effect of Head Position During Thyroidectomy on Postoperative Cognitive Functions
The aim of our study is to observe the effect of head-neck position of patients scheduled for thyroidectomy, on carotid artery blood flow, regional cerebral oxygen saturation measured using near-infrared spectroscopy technology…
- Conditions
- Thyroid, Carotid Doppler, Cerebral Perfusion
- Trial name
- NCT04830293
- Testing
- Carotis Doppler Ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Primary Prevention
Genetical, Anthropometrical and Biochemical Factors Influencing High Risk Subclinical Atherosclerosis
Subclinical atherosclerosis is the atherosclerotic process identified before clinical symptoms and thus it can be a useful marker of future cardiovascular events. It can be evaluated by many methods.
- Trial name
- NCT02487615
- Where
- 2 sites in Brazil
- Volunteers
- 340 people, healthy volunteers welcome
- Sponsor
- Instituto Dante Pazzanese de Cardiologia
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
Hypotension, Sepsis
Carotid Doppler Ultrasound for the Measurement of Intravascular Volume Status
Ultrasound represents an attractive non-invasive method to assess hemodynamic status. Understanding dynamic changes in hemodynamics in situations such as hypovolemia, sepsis, and cardiogenic shock can potentially help improve…
- Trial name
- NCT02907931
- Testing
- Point of Care Ultrasound
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Yale University
Septic Shock, Echocardiography Guided Fluid Management
Prediction of Fluid Responsiveness in Paediatric Patients With Septic Shock Using Carotid Doppler Ultrasonography and Echocardiography
The goal of this study is to evaluate the role of carotid Doppler and Echocardiography as a predictor of fluid responsiveness in paediatric patients with septic shock.
- Trial name
- NCT07136532
- Testing
- echocardiography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Flow Time, Carotid Doppler Ultrasound
Carotis cFT In Prediction Of Hypotension
The aim of our study is to determine the predictive value of pre-anesthesia FTc for hypotension that may develop after general anesthesia induction in patients over 65 years of age and to investigate the correlation between…
- Conditions
- Flow Time, Carotid Doppler Ultrasound, Hypotension, Anesthesia
- Trial name
- NCT05896514
- Testing
- ultrasound-guided carotid artery flow time measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- Cukurova University
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
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