Clinical trials: Venous Return
Right Ventricular Function and Venous Return
Perioperative Assessment of Right Ventricular Function and Venous Return in Patients With Epithelial Ovarian Cancer Undergoing Cytoreductive Surgery (Gyn Right) - Pilot Study
In this prospective, observational study the investigators assess the perioperative course of right ventricular function in combination with the venous return in patients undergoing major non-cardiac surgery.
- Trial name
- NCT02291276
- Where
- Germany
- Sponsor
- Charite University, Berlin, Germany
Hypertrophic Cardiomyopathy, Endothelial Dysfunction
Assessment of the Relations Between Endothelial and Venous Dysfunctions and Left Ventricular Obstruction in Genetic Hypertrophic Cardiomyopathies
Left ventricular obstruction is an invalidating complication of hypertrophic cardiomyopathies (HCM), and endothelial dysfunction has also been observed in these pathologies.
- Trial name
- HCM-Vein (NCT04129905)
- Testing
- BNP blood sample test, Electrocardiogram, Holter ECG
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Acute Kidney Injury, Renal Artery Blood Flow
Characteristics of Renal Blood Flow in AKI Patients in ICU and Its Clinical Significance
To study the changes in the renal artery and renal vein with renal cortical and medullary microcirculatory blood flow in patients with sepsis; to study the relationship between renal arteriolar and renal vein with renal cortical…
- Conditions
- Acute Kidney Injury, Renal Artery Blood Flow, Renal Venous Return, Renal Microcirculation
- Trial name
- NCT06090773
- Where
- China
- Volunteers
- 96 people
- Sponsor
- Peking Union Medical College Hospital
Internal Jugular Vein (IJV) Blood Flow in Gynecological Laparoscopic Surgery
Evaluation of Cerebral Venous Return With Internal Jugular Vein Blood Flow in Gynecological Laparoscopic Surgery
The steep Trendelenburg position (STP) provides an advantage in laparoscopic procedures as it optimizes the surgical image. In laparoscopic operations, the need for CO2 pneumoperitoneum (PP), together with this non-physiological…
- Trial name
- NCT04922060
- Volunteers
- 20 people
- Sponsor
- Selcuk University
Renal Venous Return
Relationship Between Renal Venous Return and Prognosis of Renal Function in Patients With AKI in ICU
A single-center prospective longitudinal observational study was carried out. Assessments were made on Days 1, 3, 5, and 7 after ICU admission in 90 patients with sepsis AKI, and 19 patients with septic without AKI only made…
- Trial name
- NCT06159010
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Peking Union Medical College Hospital
Healthy Adult Participants
Geko® T3 One vs Two Study
The primary objective of this study to assess the haemodynamic effects of unilateral and bilateral geko® T3 stimulation on lower-limb circulation, measured by femoral artery and vein blood flow.
- Trial name
- NCT07849257
- Testing
- NMES
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Kieron.Day
Hemodynamic Variation During Surgery
Mean Systemic Pressure Measurement During Prone Position Surgery
Venous return is driven by the pressure gradient between mean systemic pressure and right atrial pressure. However, mean systemic pressure is more a physiological concept than an available clinical measurement.
- Trial name
- NCT01957605
- Where
- France
- Volunteers
- 40 people
- Sponsor
- University Hospital, Strasbourg, France
Hypotension, Anomaly; Venous Return
Perioperative Fluid Management in Morbidly Obese Patients
In bariatric surgery functional and feasible non- or mini-invasive modalities for monitoring, and ideal/lean body weight estimates are addressed to meet up individual variability in hydration needs, and to avoid hyperhydration.
- Conditions
- Hypotension, Anomaly; Venous Return, Dehydration
- Trial name
- NCT01873183
- Testing
- Goal directed fluid therapy
- Where
- Sweden
- Volunteers
- 50 people
- Sponsor
- Umeå University
Supine Hypertension, Autonomic Failure
Effect of Raised Head of the Bed on Lying Blood Pressure in Autonomic Failure
Many persons with autonomic failure often have high blood pressure when lying down (supine hypertension). This study is exploring the impact of decreased venous return to the heart (achieved by raising the head of the bed) to…
- Trial name
- NCT04502225
- Testing
- Tilt, Elevated trunk, Tilt - In home
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- Vanderbilt University Medical Center
Pregnancy Related, Hypotension, Orthostatic
Evaluation of Changes of Venous Return After Spinal and Epidural Analgesia and Anesthesia by Ultrasound Guided Vena Cava Diameter Measurement
The investigators propose this study to test the hypotheses that inferior vena cava (IVC) diameter can predict hypotension after labor analgesia (epidural, combined spinal-epidural) and neuraxial anesthesia for cesarean section…
- Trial name
- NCT03555799
- Testing
- Inferior vena cava ultrasound
- Where
- United States
- Volunteers
- 42 people
- Sponsor
- Augusta University
Anomaly; Venous Return
Volume-challenge in Morbid Obesity
Preoperative venous return stability and euvolemia is essential in management of morbidly obese patients. Fluid therapy regimes for patients with high BMI, especially with focus on preoperative management, are rare and not in…
- Trial name
- NCT01748513
- Testing
- preoperative venous return optimizing
- Where
- Sweden
- Volunteers
- 34 people
- Sponsor
- Umeå University
Venous Disease, Quality of Life
Blinded User Study for the Evaluation of the Acceptability and Efficacy of One Medical Device in Venous Return in Comparison With a Control Group
The primary goal of this study is to assess in vivo the efficacy of the insoles, in improving venous return in subjects affected by this problem after 14 days of the initial measurements, by self-assessment, filling-in questions…
- Conditions
- Venous Disease, Quality of Life, Symptoms and Signs
- Trial name
- NCT06395025
- Testing
- Insoles
- Where
- Portugal
- Volunteers
- 110 people
- Sponsor
- Millet Innovation
Total Knee Replacement, Knee Osteoarthritis
Circulatory Exercise After Total Knee Replacement
Total knee replacement is commonly associated with early postoperative inflammation, edema, pain, and reduced mobility. This randomized controlled trial will evaluate whether adding a simple circulatory exercise program to…
- Conditions
- Total Knee Replacement, Knee Osteoarthritis, Postoperative Edema, Postoperative Inflammation
- Trial name
- NCT07688642
- Testing
- standard postoperative TKR rehabilitation, Standard Rehabilitation Plus Circulatory Exercise
- Volunteers
- 68 people
- Sponsor
- Assiut University
Sevoflurane, Cardiac Output
The Effect of Sevoflurane on Haemodynamics
Cardiac output (CO) is measured using Mostcare. Mean systemic filling pressure (MSFP) and vascular resistances are calculated using venous return curves constructed by measuring steady-state arterial and venous pressures and…
- Conditions
- Sevoflurane, Cardiac Output, Venous Return, Vascular Resistance
- Trial name
- NCT06707077
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Children's Hospital of Fudan University
Venous Disease, Quality of Life
Blinded Consumer Study for the Evaluation of the Usability and Efficacy of One Medical Device in Venous Return
The primary goal of this study was to assess, in vivo, the efficacy of the medical device Invisible insoles LIGHT LEGS in improving venous return in subjects affected by this problem after 14 days of medical device use, by…
- Conditions
- Venous Disease, Quality of Life, Symptoms and Signs
- Trial name
- NCT07234240
- Testing
- Insoles
- Where
- Portugal
- Volunteers
- 54 people
- Sponsor
- Millet Innovation
Venous Insufficiency
Inspiratory Muscle Training Versus Calf Muscle on Venous Function
The aim of this study was to evaluate the effect of exercise training in addition to compression therapy on quality of life, venous return time, muscle strength, clinical severity, functional capacity in venous insufficiency…
- Trial name
- NCT04215133
- Testing
- exercise therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Istanbul University - Cerrahpasa
Catheter Dysfunction
Management of the Lack of Blood Return on a Central Venous Catheter (CVC) Before Chemotherapy
Compare two methods of managing the lack of CVC blood return : opacification using contrast media injection or radio-clinical method with a simple chest X-ray followed by a rapid infusion of physiological serum
- Trial name
- CATAREV-B (NCT05100355)
- Testing
- Physiological serum injection, Contrast agent injection
- Where
- 9 sites in France
- Volunteers
- 92 people
- Sponsor
- Institut Cancerologie de l'Ouest
Venous Disease, Quality of Life
Consumer Study for the Evaluation of the Usability and Efficacy of One Medical Device in Venous Return
The primary goal of this study is to assess in vivo the efficacy of the insoles in improving venous return in subjects affected by this problem after 14 days of medical device use, by self-assessment, filling-in questions…
- Conditions
- Venous Disease, Quality of Life, Symptoms and Signs
- Trial name
- NCT06153680
- Testing
- Insoles
- Where
- Portugal
- Volunteers
- 52 people
- Sponsor
- Millet Innovation
Hypovolemia, Somatic Pain
Influence of Variations of Systemic Venous Return on Analgesia Nociception Index (ANI) During General Anaesthesia
The purpose of this study is to determine whether the value of analgesia nociception index (ANI) is influenced by variations of systemic venous return (cardiac preload) under general anaesthesia.
- Trial name
- NCT02193412
- Testing
- noxious stimulus, change in operating table slope: head-down tilt position, change in operating table slope: head-up tilt position
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Lille
Arterial Hypotension, Anaesthesia
Effects of Phenylephrine on Cardiac Preload
In patients under general anesthesia, episodes of hypotension are often treated with phenylephrine. The effect of phenylephrine is conventionally attributed to afterload increase.
- Trial name
- NCT02739399
- Testing
- Phenylephrine
- Where
- Belgium
- Volunteers
- 26 people
- Sponsor
- Algemeen Ziekenhuis Maria Middelares