Clinical trials: Venous Hemodynamics
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
Hemodynamic Changes
Assessment of Venous Return During Volume Expansion: a Prospective Observational Study
According to Guyton's model of venous return, the fluids that effectively increase cardiac output are those that, once administered, increase the vascular stressed volume, thereby increasing the mean systemic filling pressure…
- Trial name
- PSM-PVC-RITVEN (NCT07499388)
- Testing
- Fluid challenge of 500ml of crystalloid
- Where
- Italy
- Volunteers
- 45 people
- Sponsor
- Università Politecnica delle Marche
Acute Kidney Injury, Cardiac Surgery
Fluid-removal Guided by VeXUS Score With Usual Care in Patients With Acute Kidney Injury After Cardiac Surgery
Acute kidney injury affects more than 30% of patients after cardiac surgery, and is associated with an excess in mortality. There is a clinical continuum between acute kidney injury (transient if <48h, persistent if >48h), the…
- Conditions
- Acute Kidney Injury, Cardiac Surgery, Venous Congestion, Hemodynamic Stability
- Trial name
- VeXUS (NCT06251713)
- Testing
- VeXUS score guided fluid management strategy, Usual care
- Where
- 2 sites in France
- Volunteers
- 40 people
- Sponsor
- Hospices Civils de Lyon
Congestion, Heart Failure
Portal Vein Flow Variability to Quantify Right-Sided Hemodynamic Congestion (PORTAL)
This study evaluates the accuracy of a comprehensive venous Doppler echography including the portal vein pulsatility index (PVPI) to quantify invasively measured right-sided venous pressures.
- Conditions
- Congestion, Heart Failure, Right Heart Catheterisation, Central Venous Pressure
- Trial name
- PORTAL (NCT05411263)
- Testing
- Comprehensive transthoracic echocardiography, Doppler echography & Kino-cardiograph (Kino)
- Where
- Belgium
- Volunteers
- 61 people
- Sponsor
- Vrije Universiteit Brussel
Critically Ill
Hemodynamic Monitoring With Mixed Venous Saturation
In this study the investigators aim to evaluate the utility of a continuous mixed venous saturation monitoring compared to a clinical examination in a group of critically ill patients.
- Trial name
- NCT00303043
- Testing
- Mixed venous saturation monitoring
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- Policlinico 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
Assessment of Intravascular Volume Status in Mechanically Ventilated Critically Ill Patients
Evaluation of Jugular Venous Distensibility Index in Intravascular Fluid Management and Comparison of the Effectiveness of Noninvasive and Minimally Invasive Methods
Assessment of intravascular volume status is an important component of hemodynamic management in critically ill patients. Several noninvasive and minimally invasive parameters, including the pleth variability index (PVI), pulse…
- Trial name
- NCT07807709
- Testing
- Pleth variability index, Pulse pressure variation, Stroke volume variation
- Where
- Turkey (Türkiye)
- Volunteers
- 82 people
- Sponsor
- Gaziosmanpasa Research and Education Hospital
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.
Vascular Access, Elevated Jugular Venous Pressure
Ultrasound Assessment of Internal Jugular Vein for Cannulation and Venous Pressure Prediction
This prospective observational study aims to evaluate the diagnostic utility of vascular ultrasound for internal jugular vein (IJV) assessment in adult patients undergoing clinically indicated IJV cannulation.
- Conditions
- Vascular Access, Elevated Jugular Venous Pressure, Hemodynamic Instability
- Trial name
- NCT07773506
- Volunteers
- 100 people
- Sponsor
- Assiut University
Venous Hemodynamics
Effects of Positive End-Expiratory Pressure (PEEP) and Prone Positioning in Healthy Volunteers on Venous Hemodynamics Including the Venous Excess Ultrasound (VExUS) Score
The hemodynamic effects of proning and PEEP may vary depending on pre- existing cardiac function, lung mechanics, and volume status, and the available evidence remains conflicting.
- Trial name
- VeNIVPro (NCT07273617)
- Testing
- application of PEEP: starting PEEP = 15 mbar, application of PEEP: starting PEEP = 0 mbar
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Congestive Heart Failure, Mechanical Ventilation
Nesiritide for Ventilated Congestive Heart Failure
The congestive heart failure is a common disease among patients who receive cardiac surgery and may lead to prolonged ventilation support. Nesiritide was a potential therapy for congestive heart failure.
- Conditions
- Congestive Heart Failure, Mechanical Ventilation, Using Nesiritide, Venous Return
- Trial name
- HENCHF (NCT04455477)
- Testing
- Nesiritide
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Shanghai Zhongshan Hospital
Hemodynamic Instability
Respiratory Variation in Central Venous Oxygen Saturation Predicts Volume Responsiveness in Hemodynamically Unstable Patients Under Mechanical Ventilation : a Prospective Cohort Study
Vascular filling is the main treatment of hypovolemia. Hypovolemia diagnosis can be difficult in some situations and need to be confirmed with other investigations.
- Trial name
- VOS-HI (NCT02142985)
- Testing
- Sodium Chloride 0.9% Intravenous
- Where
- Tunisia
- Volunteers
- 88 people
- Sponsor
- University of Monastir
Hemodynamic Instability, Anesthesia; Adverse Effect
Heart Failure and Hemodynamic Stability During Anesthesia Induction
The study aim is to investigate whether preoperative heart failure has impact on hemodynamic stability during anesthesia induction by target controlled infusion of anesthesia (TCI) in non-cardiac, non-morbidly obese surgery.
- Conditions
- Hemodynamic Instability, Anesthesia; Adverse Effect, Heart Failure, Diastolic Dysfunction
- Trial name
- NCT03576261
- Testing
- Preoperative colloid fluid bolus (Gelofusine), Preoperative transthoracic echocardiography
- Where
- Sweden
- Volunteers
- 44 people
- Sponsor
- Umeå University
Cirrhosis, Portal Hypertension
4D-Flow MRI Assessment of Portal Hypertension and TIPS Outcomes in Cirrhosis
PORTAL-4D is a prospective, interventional, non-randomized, parallel-group diagnostic study conducted at Pitié-Salpêtrière Hospital (Paris, France).
- Trial name
- PORTAL-4D (NCT07554183)
- Testing
- 4D-Flow Liver and heart MRI with Gadolinium injection, Samples Without DNA
- Where
- 2 sites in France
- Volunteers
- 60 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris