Clinical trials: Cardiac Output
Diastolic Function, Cardiac Output
Impact of Pacing Mode and Diastolic Function on Cardiac Output
Background It is known from previous research that in patients with complete AV (atrioventricular) block and pacemaker stimulation stroke volume and cardiac output are higher with AV-synchronous than with AV-dyssynchronous…
- Conditions
- Diastolic Function, Cardiac Output, Pacemaker Stimulation Mode, Stroke Volume
- Trial name
- PADIAC (NCT04068233)
- Testing
- Pacemaker stimulation mode
- Where
- Austria
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kepler University Hospital
Anesthesia, General, Hypotension
Can Continuous Cardiac Output Monitoring Before General Anesthesia Predict Hypotension After Induction?
Post-induction hypotension (PIH) is very common with high incidence about 9-60%. There are multiple factors that may cause PIH, like pre-operative fasting, bowel preparation, vasodilatation due to anesthetics, and reduced…
- Conditions
- Anesthesia, General, Hypotension, Cardiac Output
- Trial name
- NCT03718949
- Where
- Taiwan
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Chronic Obstructive Pulmonary Disease
Alveolar-capillary Reserve After Exercise in Chronic Obstructive Pulmonary Disease (COPD) (COP-DTPA)
It is unknown whether individuals with COPD exhibit abnormal alveolar-capillary breaching during exercise, and whether this contributes to exertional dyspnoea.
- Trial name
- NCT06287476
- Testing
- Acute exercise bout on visit 2 and 3
- Where
- Denmark
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Body Fluid Retention, Impedance
Effect of Passive Leg Raising for Fluid Responsiveness
Changes in volumetric hemodynamic parameters and fluid overload (Cardiac Index,Stroke Volume, Thoracic Fluid Content, Systemic Vascular Resistance) were measured using a impedance cardiography (ICG) (CardioScreen 1000 …
- Conditions
- Body Fluid Retention, Impedance, Cardiac Output, Low
- Trial name
- NCT02702544
- Testing
- CardioScreen 1000 - Haemodynamic Measurement System, Medis, SCHILLER, BR-102 plus - Ambulatory Blood Pressure Monitoring System
- Where
- Poland
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Warsaw
Cardiac Diseases
Non-Invasive Determination of Cardiac Output by Inertgas Rebreathing Method
The cardiac output (CO) is an important parameter in the diagnosis and therapy of cardiac diseases. The current standard methods for the determination of the CO, however, are either invasive (e.g.
- Trial name
- NICO (NCT00479804)
- Testing
- inertgas rebreathing, spirometry, cardiac magnetic resonance imaging (CMR)
- Where
- Germany
- Volunteers
- 311 people, healthy volunteers welcome
- Sponsor
- Universitätsmedizin Mannheim
Prone Position, Cardiac Output
Effect of Prone Position on Liver Blood Flow and Function
Recent occurrence of significant post-operative liver impairment at Nottingham University Hospitals NHS Trust has prompted investigation into whether interaction between general anaesthesia and prone positioning (lying face down)…
- Conditions
- Prone Position, Cardiac Output, Liver Circulation
- Trial name
- PLiF (NCT01781260)
- Where
- United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Pregnancy-Related Condition, Unspecified
Does Prone Position Alter Maternal Cardiorespiratory Status?
During pregnancy women may need or choose to undergo physical therapies such as physiotherapy, massage or osteopathy. Recent findings from studies of mothers who had a stillbirth in late pregnancy found that the position in which…
- Trial name
- NCT04586283
- Testing
- Maternal prone position
- Where
- United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Cardiac Output, Low
Comparison Studies Comparing Hemodynamic Parameters Provided by the Caretaker Against Respective Gold Standard References
Comparison studies comparing hemodynamic parameters provided by the Caretaker against respective Gold Standard references.
- Trial name
- NCT05035719
- Testing
- non-invasive cardiac output monitor
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- CareTaker Medical LLC
Healthy Volunteers
The Relationship Between Cardiac Output and Microvascular Visceral Blood Flow
Although major surgery is often required to treat abdominal problems, there is a significant risk of death or complication following these operations.
- Trial name
- NCT02167178
- Testing
- Administration of 0.9% NaCl solution, Measurement of stroke volume, Measurement of microvascular blood flow
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Hemodynamic Monitoring
Evaluation of the UltraTrac System as a Non-Invasive Monitor of Hemodynamic Parameters
This study will test the use of the UltraTrac™ system, a small, noninvasive device that uses electrodes on the skin and a small ultrasound sensor to provide measurements of cardiac function in a wide of subjects.
- Trial name
- NCT07862608
- Testing
- Noninvasive Hemodynamic Monitoring System
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- AcQumen Medical, Inc.
Spinal Anesthesia, Pregnancy
Ephedrine vs Phenylephrine - ECG Changes
ECG changes during caesarean section are common. Incidence of ST depression on the ECG is up to 81% in some studies. Although this may indicate inadequate oxygen supply to the heart muscle (myocardial ischaemia) many other…
- Trial name
- NCT01243970
- Testing
- Phenylephrine, Ephedrine
- Where
- United Kingdom
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University College London Hospitals
Pulmonary Arterial Hypertension, Heart Failure
Effects of Apelin on the Lung Circulation in Pulmonary Hypertension
The purpose of this study is to determine the effects of Apelin on the lung circulation. The investigators hypothesise that Apelin will relax the lung blood vessels and improve the pumping ability of the heart.
- Trial name
- NCT01457170
- Testing
- Apelin
- Where
- 3 sites in United Kingdom
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Golden Jubilee National Hospital
Dehydration, Cardiac Output
Descriptive Study of Cardiac Output During Rehydration With Recombinant Human Hyaluronidase in Pediatrics
The purpose of this study is to non-invasively study the reflective changes in cardiac output as response to fluid therapy in the pediatric moderate hypovolemia/dehydrated pediatric patients using sub-q rehydration using Hylenex…
- Conditions
- Dehydration, Cardiac Output, Pediatrics
- Trial name
- Hylenex (NCT01139294)
- Testing
- Hylenex
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Fontan Procedure, Hypoplastic Left Heart Syndrome
Global and Regional Myocardial Strain and Power Output In Patients With Single Ventricles Using Novel MRI Techniques
The investigators are beginning a clinical research study here at UCSF to learn more about how hearts with single ventricles work.
- Conditions
- Fontan Procedure, Hypoplastic Left Heart Syndrome, Tricuspid Atresia, Double Inlet Left Ventricle
- Trial name
- NCT01107990
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Hemodynamic Monitoring
Comparison of Transthoracic Electrical Bioimpedance and Pulse Contour Analysis in Renal Transplantation Patients
Hemodynamics monitoring using non-invasive transthoracic electrical bioimpedance ICON are compatible with standard invasive monitoring using pulse contour analysis EV1000
- Trial name
- NCT03893513
- Testing
- Transthoracic Electrical Bioimpedance, Pulse Contour Analysis
- Where
- Indonesia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Dita Aditianingsih
Heart Failure, Nursing Caries
Physical Activity Program on Clinical Output in Heart Failure
Background: This study was carried out to determine the effect of physical activity program applied to individuals with heart failure on quality of life, functional capacity and mortality risk level.
- Trial name
- Heartfailu (NCT05349786)
- Testing
- Physical activity program
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Nigde Omer Halisdemir University
Oxygen Saturation and the Relationship to Other Cardiac Variables, Maintenance Hemodialysis
Hypoxemia in Maintenance Hemodialysis Patients
Previous research has shown that many patients with kidney failure undergoing chronic hemodialysis (HD) have a very low venous oxygen concentration, which may further decrease during dialysis treatments.
- Conditions
- Oxygen Saturation and the Relationship to Other Cardiac Variables, Maintenance Hemodialysis, Kidney Failure, Chronic
- Trial name
- NCT03045796
- Testing
- Oxygen Saturation measured by WristOx
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Cardiac Diseases
Non-Invasive Determination of Cardiac Output by Electrical Velocimetry
The cardiac output (CO) is an important parameter in the diagnosis and therapy of cardiac diseases. The current standard methods for the determination of the CO, however, are either invasive (e.g.
- Trial name
- NCT00945048
- Testing
- electrical velocimetry, inert gas rebreathing, spirometry
- Where
- Germany
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Universitätsmedizin Mannheim
Fetal Growth Retardation, Pre-Eclampsia
Cardiac Output Monitoring to Predict Pre-Eclampsia and Restricted Growth (COMPaRE)
Pre-eclampsia (PET) and fetal growth restriction (FGR) are common complications of pregnancy that affect up to 15% of pregnancies in the UK.
- Trial name
- COMPaRE (NCT05123677)
- Testing
- Non-invasive haemodynamic assessment, Maternal ophthalmic artery doppler
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sandwell & West Birmingham Hospitals NHS Trust
Healthy
Determination of Variances in Exhaled Nitric Oxide Output in Normal Healthy Male Volunteers Consuming High and Low Nitrate/Nitrite Diets
This study will determine whether and how nitrites and nitrates in the diet affect the level of nitric oxide gas that is breathed out in air.
- Trial name
- NCT00027157
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)