Clinical trials: Ultrasound Doppler
Lymph Node Disease
Role of Color Doppler Ultrasound in Lymphadenopathy
Lymphadenopathy is defined as an abnormality in the size or character of lymph nodes caused by the invasion or propagation of either inflammatory or neoplastic cells into the nodes Accurate lymph node characterization is…
- Trial name
- NCT03760094
- Testing
- Colour Doppler
- Volunteers
- 30 people
- Sponsor
- Assiut University
Autoimmune Pancreatitis, IgG4-Related Diseases
Validation of the Odesa Criteria 2026 for Autoimmune Pancreatitis
This ambispective observational study aims to validate the Odesa Criteria 2026 (OC26), a flexible domain-based point scoring system for diagnosing autoimmune pancreatitis.
- Conditions
- Autoimmune Pancreatitis, IgG4-Related Diseases, Pancreatic Cancer, Chronic Pancreatitis
- Trial name
- ОС26 (NCT07536841)
- Testing
- No intervention (observational study)
- Where
- 2 sites in Ukraine
- Volunteers
- 82 people
- Sponsor
- Military Medical Clinical Center of the Southern Region, Ukraine
Coronary Artery Bypass Graft Redo, Heart Valve Diseases
SONOlysis in Risk REduction of Symptomatic and Silent Brain infarCtions dUring Cardiac surgEry
The aim of the project is to demonstrate a fibrinolytic effect of sonothrombolysis (continual transcranial Doppler monitoring) using 2 MHz diagnostic probe on the reduction of risk of brain infarctions due to the activation of…
- Trial name
- SONORESCUE (NCT01591018)
- Testing
- sonolysis, cardiac surgery
- Where
- Czechia
- Volunteers
- 120 people
- Sponsor
- University Hospital Ostrava
Infarction, Brain, Embolism
Microembolic Detection in Acute Ischemic Stroke Patients With Atrial Fibrillation and Outcome
This multicenter international prospective cohort study will include patients with AIS with a known or newly diagnosed anticoagulant-naïve AF.
- Conditions
- Infarction, Brain, Embolism, Atrial Fibrillation
- Trial name
- NCT06018090
- Testing
- The presence and rate of MES measured by TCD monitoring
- Where
- Portugal
- Volunteers
- 61 people
- Sponsor
- Centro Hospitalar De São João, E.P.E.
Placenta Accreta, Placenta Previa
Ultrasound in Prediction of Operative Findings in Cesarean Section Among Placenta Accreta Cases
A total of 60 women pregnant more than 28 weeks gestation will be recruited from obstetric outpatient clinic (faculty of medicine -Cairo University Hospital) after being diagnosed of having placenta previa or low lying placenta…
- Trial name
- NCT03286998
- Where
- 2 sites in Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
Stroke
Prognostic Value of Transcranial Doppler Ultrasound in the Clinical Evolution of Patients With Acute Ischemic Stroke. The TRADE-AIS Study
This prospective observational study aims to determine whether specific parameters measured by transcranial Doppler ultrasound (TCD) can predict clinical outcomes in patients with acute ischemic stroke (AIS).
- Trial name
- TRADE-AIS (NCT07004790)
- Testing
- Transcranial Doppler Ultrasound
- Volunteers
- 50 people
- Sponsor
- Jose Ivan Rodriguez de Molina Serrano
Lower Urinary Tract Dysfunction, Overactive Bladder Syndrome
Correlations of 3D Urethral and Paraurethral Sonographic Findings With Urodynamic Studies, Lower Urinary Tract Symptoms & Sexual Dysfunction in Female Patients With Lower Urinary Tract Symptoms.
The main purpose of this study is to get the urethra and pelvic sonographic imaging by 4D ultrasound examinations, and to correlate the sonographic findings with urodynamic variables, pad weights and LUTS.
- Trial name
- NCT01884753
- Where
- Taiwan
- Volunteers
- 279 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Anemia of Prematurity
Near-Infrared Spectroscopy and Cranial Doppler in Premature Newborns With Anemia
It is aimed in this study to examine the changes in brain blood supply and oxygenation in neonatal premature babies who have anemia and who underwent erythrocyte suspension transfusion in the light of original guidelines by means…
- Trial name
- NCT04509375
- Testing
- Cranial Doppler Ultrasonography, Near-Infrared Spectroscopy
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people
- Sponsor
- Hacettepe University
Breast Cancer
A Single-Center, Retrospective Study to Improve the Visibility of Breast Tissue Marker Clips in Breast Tissue and Axillary Lymph Nodes Using the Color Doppler Twinkling Artifact
This single-center, retrospective study aims to evaluate the utility of the color Doppler twinkling artifact feature in improving the visibility of breast tissue marker clips within breast tissue and axillary lymph nodes.
- Trial name
- NCT07554781
- Volunteers
- 86 people
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Atrial Fibrillation, Phrenic Nerve Paralysis
Ultrasonography Evaluation of Diaphragm Kinetics in Patients Undergoing Atrial Fibrillation Ablation With Cryoballoon
The purpose of this study to assess the diaphragm kinetics with Tissue Doppler Imaging in patients undergoing atrial fibrillation ablation with cryoballoon
- Trial name
- NCT05513482
- Testing
- Tissue Doppler Imaging, M Mode Imaging
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Istanbul University - Cerrahpasa
Cardiovascular Infections, Peripheral Vascular Disease
Placement of Peripherally Inserted Central Venous Catheters (PICC) in Children Guided by Ultrasound
Aimed to compare the success in the peripheral intravenous puncture (PIP), progression and placement of PICC in children, according to the use of Doppler vascular ultrasound (DVUS) or traditional method; to identify the influence…
- Trial name
- NCT01279642
- Testing
- ultrasound, traditional puncture
- Where
- Brazil
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Breast Cancer, Interventional Radiology
Using Color Doppler US Artifact to Identify Tumor Markers
Before neoadjuvant chemotherapy (NACT) in cases of locally advanced breast cancer, malignant masses in the breast and biopsy-proven tumor involvement axillary lymph nodes are marked with metallic markers.
- Conditions
- Breast Cancer, Interventional Radiology, Doppler Ultrasound
- Trial name
- NCT06166173
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Istanbul Medeniyet University
Venous Insufficiency
Exercise Training in Venous Insufficiency
The aim of this study is to evaluate the effects of exercise training in addition to compression therapy on clinical severity, vein diameter, reflux and quality of life in venous insufficiency patients.
- Trial name
- NCT03755180
- Testing
- Exercise Training, Compression Therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people
- Sponsor
- Istanbul University - Cerrahpasa
Infertility of Tubal Origin
Hysterosalpingo-Foam Ultrasonography Combined With Power Doppler, Compared With Laparoscopy in Tubal Patency Assessment in Cases of Infertility
Women presenting with primary or secondary infertility and are undergoing investigation of tubal patency assessment will be subjected to: The examination is performed between days 5 and 10 of the menstrual cycle.
- Trial name
- NCT05209542
- Testing
- Hysterosalpingo-Foam Ultrasonography, Laparoscopy
- Where
- Egypt
- Volunteers
- 119 people
- Sponsor
- Cairo University
Renal Perfusion, Minimally Invasive Surgical Procedures
Assessment of Renal Perfusion Using Ultrasound and Near-Infrared Spectroscopy in Patients Undergoing Minimally Invasive Abdominal Surgery
This prospective observational study aims to evaluate renal perfusion in adult patients undergoing elective minimally invasive abdominal surgery.
- Conditions
- Renal Perfusion, Minimally Invasive Surgical Procedures, Acute Kidney Injury
- Trial name
- RRI-NIRS (NCT07635160)
- Where
- Turkey (Türkiye)
- Volunteers
- 51 people
- Sponsor
- Istanbul University - Cerrahpasa
Other Diseases of Veins and Lymphatics
ACCUvein Measure Before ULtrasound as A facilitataTION Tool for Venous Marking
Ultrasound marking of saphenous veins before varicose vein surgery or for saphenectomy for vascular or coronary artery bypass grafting is a long, tedious, low-grading examination, generating overconsumption of many consumables…
- Trial name
- ACCUMULATION (NCT03538080)
- Testing
- ACCUVEIN plus ultrasound, Ultrasound only
- Where
- France
- Volunteers
- 50 people
- Sponsor
- University Hospital, Angers
Peripheral Arterial Disease(PAD)
Ankle-Brachial Index Changes Post Exercise and Its Effects on Patient-Centered Outcomes and Gait
The goal of this observational study or clinical trial is to investigate how exercise can affect different areas of a person's life, especially those people with vascular disease.
- Trial name
- ExerciseABI (NCT07637396)
- Where
- United States
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center Shreveport
Describe Typical Gray Scale/Color Doppler Ultrasound Features of Gestational Trophoblastic Neoplasia at the US Examination, To Assess if There Are Differences at the Baseline US Scan Between Low-risk and High-risk Patients
Gestional Trophoblastic Neoplasia Ultrasound Assessment: Titanium Study
Gestational trophoblast diseases are characterized by abnormal proliferation of trophoblastic tissue, which can occur consequent to any pregnancy event.
- Conditions
- Describe Typical Gray Scale/Color Doppler Ultrasound Features of Gestational Trophoblastic Neoplasia at the US Examination, To Assess if There Are Differences at the Baseline US Scan Between Low-risk and High-risk Patients, To Identify Ultrasound Predictors of Resistance to First-line Single Drug Chemotherapy in Low-risk GTN Patients, To Investigate if Machine Learning (ML) Algorithms (Radiomics, Deep Neural Networks (DNN), and Other Machine Learning Algorithms
- Trial name
- TITANIUM (NCT06284980)
- Where
- Italy
- Volunteers
- 120 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Cerebral Perfusion
Transpharyngeal Doppler Sonography for Cerebral Perfusion Monitoring
This prospective interventional study investigates transpharyngeal sonography (TPS) as an additional neuromonitoring strategy to assess cerebral perfusion during cardiovascular surgery.
- Trial name
- TaPaS (NCT03494413)
- Testing
- Transpharyngeal Doppler sonography (TPS), Conventional colour-coded Duplex sonography (CDS)
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Varicose Veins of Lower Limb, Hemorrhoids
HEMOVAR Study on Hemorrhoids and Varicose Veins
The HEMOVAR Study is a prospective observational study designed to evaluate the association between hemorrhoidal disease and lower extremity varicose veins.
- Trial name
- HEMOVAR (NCT07317492)
- Where
- Turkey (Türkiye)
- Volunteers
- 400 people
- Sponsor
- Aydin Adnan Menderes University