Clinical trials: Venous Hemodynamics
Intrauterine Growth Restriction, Small-for-gestational Age
Ultrasound Evaluation of Fetal Hemodynamics and Perinatal Complications
In case of fetal weight below the 10th centile for gestational age, it is important to distinguish SGA and IUGR. SGA is defined as a fetal weight below the 10th centile.
- Trial name
- PTI'DOP (NCT03865628)
- Volunteers
- 1,200 people
- Sponsor
- Centre Hospitalier Universitaire de Besancon
Perioperative Fluid Management, Hemodynamic Monitoring
Study Of Ultrasound Windows For Measuring Inferior Vena Cava Changes Before Cardiac Surgery
This research study will compare two ultrasound methods for assessing the inferior vena cava (IVC), a major vein that reflects intravascular fluid status and cardiac function before and after surgery.
- Conditions
- Perioperative Fluid Management, Hemodynamic Monitoring, Inferior Vena Cava Collapsibility Index, Cardiac Surgery Patients
- Trial name
- THRIVE-CARD (NCT07305051)
- Where
- Canada
- Volunteers
- 283 people
- Sponsor
- Sunnybrook Health Sciences Centre
Liver Cirrhosis, Portal Hypertension
Rifaximin and Propranolol Combination Therapy Versus Propranolol Monotherapy in Cirrhotic Patients
To reduce portal pressure, the only recommended medication is nonselective beta blocker(NSBB). However, NSBB has some limitation to apply clinically because of poor response rate and compliance.
- Trial name
- RECOVER (NCT01897051)
- Testing
- Rifaximin + propranolol
- Where
- 2 sites in South Korea
- Volunteers
- 140 people
- Sponsor
- Yonsei University
Cerebral Venous Thrombosis
Evaluation of Cerebral Oxygenation and Hemodynamics in Patients With Cerebral Venous Thrombosis
Cerebral hypoperfusion and hypoxia are the major determinants of neurological outcomes following acute brain injury as proved in Traumatic Brain Injury/Sub Arachnoid Haemhorrhage literature.
- Trial name
- NCT03033966
- Testing
- NIRS based Cerebral Oximetry
- Where
- India
- Volunteers
- 17 people
- Sponsor
- Dhritiman Chakrabarti
Central Venous Pressure
Correlation of Physical Exam Versus Non-invasive Assessment Versus Invasive Assessment of Central Venous Pressure
The purpose of this study is to establish the accuracy of a non-invasive device that uses near infrared spectroscopy (NIRS) to estimate central venous pressure (CVP) comparing it to physical exam and invasive hemodynamic…
- Trial name
- NCT01574690
- Testing
- Mespere Venus System, Right heart catheterization (RHC), Physical examination of jugular vein
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Mespere Lifesciences Inc.
Spinal Anesthesia-Induced Hypotension, Preeclampsia
Investigation of the Role of Internal Jugular Vein Collapsibility Index in Predicting Spinal Anesthesia-Induced Hypotension in Preeclamptic Parturients
This prospective, single-center observational study aims to evaluate the predictive value of the internal jugular vein collapsibility index (IJVCI) for spinal anesthesia-associated hypotension in preeclamptic parturients…
- Conditions
- Spinal Anesthesia-Induced Hypotension, Preeclampsia, Cesarean Section
- Trial name
- NCT07496788
- Testing
- Internal Jugular Vein Collapsibility Index Measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 96 people
- Sponsor
- Ankara City Hospital Bilkent
Venous Insufficiency, Foot Drop (Acquired)
The Effect of Training on Hemodynamic Factors in Ballet Dancer
Classic ballet dance is a demonstration of complex motor skills to be revealed in aesthetic combinations and repetitively, and it demands intensive use of the lower extremities within extreme of range of motion (ROM).
- Trial name
- NCT04469361
- Testing
- Navicular drop measurement, Measurement of venous return parameters in supine, Measurement of venous return parameters in standing
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Marmara University
Small-For-Size Liver Syndrome, Ligation
Splenic Artery Ligation and Portocaval Shunt in Small-for-size Syndrome
Our study aimed at assessing the changes of portal vein pressure, portal vein flow and hepatic arterial flow (HAF) in liver remnants ≤ 30% of the standard liver volume by reducing portal vein overflow via ligation of the splenic…
- Conditions
- Small-For-Size Liver Syndrome, Ligation, Liver Regeneration, Splenic Artery
- Trial name
- splen ligation (NCT05459883)
- Testing
- splenic artery ligation
- Where
- Greece
- Volunteers
- 13 people
- Sponsor
- Aretaieion University Hospital
Fluid Responsiveness, Hemodynamic Monitoring
Internal Jugular Venous Distensibility Index and Innominate Venous Flow Patterns As Predictors of Fluid Responsiveness
The measurement of internal jugular vein distensibility index corresponds to the measurement of stroke volume using trans-thoracic Doppler echocardiography in assessing the response to fluid administration in elective surgical…
- Trial name
- NCT05930600
- Testing
- Ultrasonography of Internal Jugular Vein, Doppler Echocardiograhy
- Where
- Indonesia
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Steal Syndrome, Chronic Kidney Diseases
Hemodynamic Assessment of Distal Revascularization Interval Ligation
Our study seeks to define the effect of each component of the distal revascularization interval ligation (DRIL) procedure on the in vivo distal blood pressure of patients with ischemic steal, and to determine whether the interval…
- Conditions
- Steal Syndrome, Chronic Kidney Diseases, Arterio-Venous Fistula
- Trial name
- DRIL (NCT03054623)
- Testing
- DRIL procedure
- Where
- 2 sites in United States
- Volunteers
- 4 people
- Sponsor
- University of South Florida
Healthy, Liver Disease
Magnetic Resonance Imaging of Blood Flow in the Liver and Abdomen
This study will use magnetic resonance imaging (MRI) to examine blood flow patterns in the arteries and veins of the liver and abdomen.
- Trial name
- NCT00001719
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Pediatric Congestive Heart Failure, Congestive Heart Failure
A Clinical Study Used to Estimate Central Venous Pressure Non-invasively Using Occlusion Pressure
The purpose of this study is to collect different measurements using a method called peripheral venous pressure (PVP). PVP checks the pressure in the veins in the arms or legs.
- Trial name
- CV-PRO (NCT07583680)
- Volunteers
- 30 people
- Sponsor
- Le Bonheur Children's Hospital
C.Surgical Procedure; Cardiac, Acute Kidney Injury
Portal Flow Pulsatility as a Risk Factor for Acute Kidney Injury After Cardiac Surgery
The purpose of this study is to evaluate the possible association between portal vein flow pulsatility and acute kidney injury after cardiac surgery.
- Conditions
- C.Surgical Procedure; Cardiac, Acute Kidney Injury, Postoperative Complications, Right-Sided Heart Failure
- Trial name
- PP-AKI (NCT02831907)
- Testing
- Cardiac surgery
- Where
- Canada
- Volunteers
- 146 people
- Sponsor
- Montreal Heart Institute
Pulsatile Tinnitus
The Recurrence Mechanism of Venous Tinnitus After Boney Wall Reconstruction Based on Multimodal Imaging and Multiphysics Coupling
Venous tinnitus (VT) is seriously affecting the quality of life of five million patients in China. Bony wall reconstruction is the main treatment method, but the postoperative recurrence rate exceeds 30%, and the specific…
- Trial name
- NCT05856175
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Hemodynamic Monitoring, Perioperative Care
Using the "Edwards" EV1000 Clinical Platform NI in Lymphatic Venous Anastomosis
Lymphatic venous anastomosis could be applied on patients suffering from limb lymphedema after surgery or radiotherapy. The particular pathophysiology leads unconventional fluid treatment strategy and changes in urine output.
- Conditions
- Hemodynamic Monitoring, Perioperative Care, Outcome Assessment
- Trial name
- NCT03553667
- Testing
- Standard group, ClearSight
- Volunteers
- 200 people
- Sponsor
- Chang Gung Memorial Hospital
Ascites, Hepatectomy
Portal Venous Hemodynamic Changes After Hepatectomy
The aim of this study is to investigate the pathophysiological mechanisms underlying the formation of posthepatectomy ascites with a focus on the significance of changes in portal venous hemodynamics after hepatic resection.
- Trial name
- NCT01073345
- Testing
- Portal venous pressure, Portal venous flow, Hepatic artery flow
- Where
- Germany
- Volunteers
- 110 people
- Sponsor
- Heidelberg University
Intraoperative Hypotension, Hepatectomy
Remimazolam Versus Propofol for Maintenance of Anaesthesia During Major Hepatectomy Under Low Central Venous Pressure
The goal of this clinical trial is to learn whether remimazolam helps prevent low blood pressure better than propofol during major liver surgery in adults.
- Trial name
- NCT07789275
- Testing
- Remimazolam, Propofol
- Where
- China
- Volunteers
- 224 people
- Sponsor
- Beijing Tsinghua Chang Gung Hospital
Hemodynamics, Central Venous Pressure
Reliability of Central Venous Pressure Measurements
The purpose of this study is to compare CVP measurements from CICCs and PICCs. The investigators will also evaluate whether or not the duration of CICC placement affects the differences in CVP measurements between the CICCs and…
- Trial name
- CVP (NCT01116973)
- Testing
- PICC
- Where
- 2 sites in United States
- Volunteers
- 17 people
- Sponsor
- University of Oklahoma
Abdominal Tumor, Abdominal Infection
Evaluation of Pcv-aCO2 in the Fluid Treatment of Abdominal Tumor Patients After Surgery
This research will confirm that Pcv-aCO2 is suitable for the guidance of early fluid therapy and the evaluation of the prognosis of patients with abnormal hemodynamics after abdominal tumor surgery, and is expected to be a new…
- Trial name
- NCT02977429
- Testing
- standardized fluid therapy, conventional fluid therapy
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University Cancer Institute and Hospital
Undergoing Nonemergent Cardiac Surgery, Central Venous Catheter on the Superior Vena Cava (to Perform ScVO2 Measure)
SvO2 Trigger in Transfusion Strategy After Cardiac Surgery
Current international guidelines suggest a restrictive transfusion strategy, setting that Hb level at 7 g/dl is a reasonable threshold.
- Conditions
- Undergoing Nonemergent Cardiac Surgery, Central Venous Catheter on the Superior Vena Cava (to Perform ScVO2 Measure), Anemia (<9g/dL) Requiring Blood Transfusion, Hemodynamic and Respiratory Stability
- Trial name
- ReTSEACS (NCT02761564)
- Testing
- Red blood cell tranfusion, ScvO2 measure
- Where
- France
- Volunteers
- 100 people
- Sponsor
- University Hospital, Montpellier