Clinical trials: Hemodynamics
Anesthesia
Clonidine Added Lidocaine in Intraocular Pressure and Hemodynamics Ocular in Sub-Tenon's and Peribulbar Anesthesia
Regional anesthesia in orbit can reduce ocular blood flow, increase in intraocular pressure (IOP) or the pharmacological action of local anesthetics.
- Trial name
- NCT02733757
- Testing
- Clonidine
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Federal University of Minas Gerais
Obstructive Sleep Apnea Syndrome
Brain Oxygenation and Hemodynamics During Sleep in Obstructive Sleep Apnea Sufferers
The goal of this trial is to assess the performance of the OxiplexTS-an absolute near-infrared oximeter-as an instrument to measure brain oxygenation and hemodynamics in sleep medicine as well as in the broader field of…
- Trial name
- NIRS-OSAS (NCT00591591)
- Testing
- OxiplexTS
- Where
- 4 sites in United States
- Volunteers
- 309 people, healthy volunteers welcome
- Sponsor
- ISS, Inc.
Liver Failure
Study to Evaluate if the Drug Vasopressin Protects the Kidneys for Patients Undergoing Liver Transplant
The purpose of this study is evaluate the medication vasopressin for its ability to preserve kidney function in patients undergoing liver transplantation.
- Trial name
- NCT00886262
- Testing
- Vasopressin
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
AIDS
Study To Investigate The Hemodynamic Effects Of Single Dose Vardenafil In Subjects Receiving Maraviroc
The objective of this study was to estimate the effects of a single dose of vardenafil on the blood pressure (BP) in subjects receiving maraviroc (MVC) (dosed to steady-state) and to assess the safety and tolerability of MVC in…
- Trial name
- NCT00853840
- Testing
- Maraviroc, Vardenafil
- Where
- Belgium
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- ViiV Healthcare
Hemodynamics, Cardiovascular System
Cardiovascular Effects of Adderall in Healthy Adults.
This study is designed to investigate the cardiovascular response (blood pressure, heart rate, electrocardiographic response and blood vessel reactivity response) to taking Adderall in healthy adults.
- Trial name
- NCT02979327
- Testing
- Adderall capsule
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Hypertension
Effect of Intrathecal Clonidine in Hypertensive Subjects With Poorly Controlled Blood Pressure
The purpose of this study is to determine the acute efficacy of intrathecal clonidine to reduce blood pressure in hypertensive subjects with poor blood pressure control and describe its effects on cardiovascular function.
- Trial name
- NCT01297335
- Testing
- clonidine
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- The Center for Clinical Research, Winston-Salem, NC
Total Hip Arthroplasty
A Hemodynamic Comparison of Stationary and Portable Pneumatic Compression Devices
We are comparing two pneumatic compression devices, VenaFlow (stationary) and MCS (portable) in both the supine an standing position.
- Trial name
- NCT02345642
- Testing
- ActiveCare+SFT Supine, VenaFlow Elite Supine, ActiveCare+SFT Standing
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospital for Special Surgery, New York
Venous Stasis, Deep Vein Thrombosis
Blood Flow Stimulation in the Lower Limbs by Application of Different External Devices
In this study, four different devices which stimulate the blood in the lower extremities are used in ten healthy persons while measuring the blood flow with ultrasound.
- Trial name
- NCT03420625
- Testing
- Foot IPC, Rapid calf IPC, Slow calf IPC
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Karolinska University Hospital
Hypertension
The Effects of Scalp Block With Bupivacaine Versus Levobupivacaine
Ninety American Society of Anesthesiologists (ASA) Physical Status classification system I-II patients were recruited for a randomised, placebo-controlled, double-blind study and were randomly divided into three groups to receive…
- Trial name
- NCT02497040
- Testing
- Levobupivacaine, Bupivacaine
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Uludag University
Intraoperative Complications, Postoperative Complications
Hemodynamic and Respiratory Variations During Laparoscopic Surgery With and Without Deep Neuromuscular Blockade.
The goal of this study is to investigate the effect of depth of neuromuscular block (NMB) on global and regional (dependent versus nondependent) respiratory mechanics during laparoscopic surgery.
- Conditions
- Intraoperative Complications, Postoperative Complications, Laparoscopy, Surgical Complications From General Anesthesia
- Trial name
- NCT02025075
- Testing
- Rocuronium
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Exercise Training, Hemodynamic Response
The Impact of Blood Flow Restriction (BFR) on Exercise and Hemodynamic Responses
The impact of blood flow restriction (BFR) on exercise and hemodynamic responses will be studied. The use of BFR will be studied during yoga and low-intensity aerobic exercise in healthy subjects with no history of chronic…
- Trial name
- NCT03540147
- Testing
- Hokanson Cuffs, BStrong Bands
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Sleep-disordered Breathing, Snoring
Hemodynamics Response to Upper Airway Obstruction in Marfan Syndrome
Upper airway obstruction (UAO) is an unrecognized source of hemodynamic stress that may contribute to aortic adverse events in persons with Marfan Syndrome (MFS).
- Trial name
- MSB (NCT03985657)
- Testing
- CPAP
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Healthy
Hemodynamic Responses During Induction: Comparison of Marsh and Schnider Pharmacokinetic Models
To compare the hemodynamic changes during anesthesia induction between Marsh and Schnider plasma TCI models. We put forward a hypothesis that, if one TCI model is associated with much more prominent vasodilation effect or cardiac…
- Trial name
- TCI (NCT01759160)
- Testing
- Marsh Plasma TCI with high initial target, Schnider Plasma TCI with high initial target
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital, Sun Yat-Sen University
Orthostatic Hypotension, Spinal Cord Injuries
A Study of Blood Pressure and Blood Supply to the Brain in Persons With a Spinal Cord Injury.
The purpose of this study is to determine how blood pressure and blood flow are controlled during head-up tilt in a semi-upright position.
- Trial name
- NCT00248807
- Testing
- 1.25 mg enalaprilat IV, Head up tilt (HUT)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Heart Failure
Clinical Hemodynamic Study of Balloon Counterpulsation in Advanced Heart Failure
The primary objective of this study is to develop normative hemodynamic data (means and standard deviations) for the intra-aortic balloon pump (IABP) using pressure-volume loop and 3D-echocardiographic analyses.
- Trial name
- NCT03001674
- Testing
- Conductance catheterization
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Tufts Medical Center
Impacted Third Molar Tooth, Adverse Reaction to Other Local Anesthetics
Lower Third Molar Removal With 2% and 4% Articaine
The present clinical trial randomized compared the clinical efficacy of the local anesthetics articaine in two concentrations, 2% and 4%, in association with 1:200,000 adrenaline, for the removal of lower third molars.
- Trial name
- NCT02457325
- Testing
- Surgery with 2%Articaine first, then Surgery with 4% Articaine, Surgery with 4%Articaine first, then Surgery with 2% Articaine
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Intermittent Pneumatic Compression
Effect of Neuromuscular Calf Stimulation and Intermittent Pneumatic Compression on Lower Limb Venous Hemodynamics
What is known? Disorders of peripheral circulation result in vascular morbidity and mortality Augmentation of peripheral circulation has been shown to be of benefit in both venous and arterial disease The benefit of intermittent…
- Trial name
- NCT01939288
- Testing
- Neuromuscular stimulation, followed by intermittent pneumatic compression, Intermittent pneumatic compression, followed by neuromuscular stimulation
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Hypertension, Healthy
Effect of Oral Caffeine and L-Citrulline Supplementation on Arterial Function in Healthy Males
Caffeine is an exceedingly popular and consumed pharmacological agent. Although caffeine is primarily consumed from coffee and tea beverages, it is also available in other forms such as sodas, energy drinks, tablets and capsules.
- Trial name
- NCT02214290
- Testing
- Caffeine, L-citrulline
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Florida State University