Clinical trials: Engorgement
Ischemia
Post Occlusive Reactive Hyperemia on Gingiva Assessed by Laser Speckle Contrast Imaging
Apply the LASCA for follow-up the postocclusive microcirculation after strangulation of the gingiva in order to characterize the kinetics of the blood flow changes in human subjects.
- Trial name
- NCT02552498
- Testing
- strangulation
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Semmelweis University
Breastfeeding, Pregnancy Related
Effects of Breast Intervention During the Late Pregnancy on the Parturients' Breast Engorgement,Maternal Competence,and Stress
The study purpose is to examine the effects of breast tenderness relief intervention during the late pregnancy on the parturients' breast engorgement, lactation, breastfeeding, maternal competence, and stress.
- Conditions
- Breastfeeding, Pregnancy Related, Efficacy, Self
- Trial name
- NCT05796284
- Testing
- Breast pressure relief intervention at the end of pregnancy, Routine care
- Where
- Taiwan
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- National Defense Medical Center, Taiwan
Vascular Function, Racial Disparity
Vascular Dysfunction in Black Individuals: Roles of Nitric Oxide and Endothelin-1
The research aims of this proposal are: Specific Aim 1: To test whether an increase in nitric oxide signaling can increase vasodilator responses in young Black individuals.
- Trial name
- UMMC_Pilot (NCT04770155)
- Testing
- Dietary Nitrates 400 mg, L-citrulline 3 g, Sildenafil 100 mg
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Mississippi Medical Center
Acute Heart Failure (AHF), Fluid Over-load
Training Medical Residents in the Use of the Venous Excess UltraSound (VExUS) Score for Bedside Volume Assessment.
This randomized controlled trial evaluates the effectiveness of two training approaches (in-person versus remote) for teaching medical residents to apply the Venous Excess Ultrasound (VExUS) score for bedside volume assessment in…
- Conditions
- Acute Heart Failure (AHF), Fluid Over-load, Congestion, Congestion, Venous
- Trial name
- NCT07541768
- Testing
- In-person VExUS Training Program, Remote VExUS Training Program, No intervention
- Where
- Switzerland
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Deep Caries, Pulpitis Reversible
The Prognostic Impact of Symptoms and Lesion Depth in Partial Removal of Carious Tissue
The goal of this prospective, observational clinical cohort study is to study the effect of the preoperative condition of the tooth on the outcome of partial removal of carious tissue in mature teeth in adults.
- Conditions
- Deep Caries, Pulpitis Reversible, Pulp Hyperemia
- Trial name
- NCT05816525
- Testing
- Partial removal of carious tissue, Final restoration
- Where
- Finland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Helsinki
Hyperemia Eye
Safety and Tolerability of PRO-185
Phase I Study to evaluate safety and tolerability of PRO-185 (naphazoline/hypromellose) ophthalmic solution through evaluation of vital signs, ocular signs such as intraocular pressure, hyperemia and mydriasis and adverse events.
- Trial name
- PRO-185 (NCT05470868)
- Testing
- Naphazoline / Hypromellose Ophthalmic
- Where
- Mexico
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Laboratorios Sophia S.A de C.V.
Blood Flow in Healthy Volunteers
Effect of Polymorphisms in the Adenosine a2a Receptor Gene and AMPD2 Gene on Adenosine-Induced Vasodilation and Reactive Hyperemia
The endogenous nucleoside adenosine can induce various cardiovascular and neurohumoral effects by stimulation of specific adenosine receptors.
- Trial name
- NCT00253929
- Testing
- Intra-arterial infusion of adenosine, intra-arterial infusion of caffeine, intra-arterial infusion of acetylcholine
- Where
- Netherlands
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Metabolic Syndrome, Vascular Injury
Therapeutic Strategies to Reduce Endothelial Ischemia-reperfusion Injury
The objective of this clinical trial is to better understand how lactate, a naturally occurring energy substance, can be used to lessen damage to the vascular system in adults with a high cardiovascular disease risk.
- Conditions
- Metabolic Syndrome, Vascular Injury, Ischemic Preconditioning, Endothelial Function (reactive Hyperemia)
- Trial name
- NCT06825143
- Testing
- Ischemic preconditioning, Intravenous lactate infusion, No ischemic preconditioning (control)
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Gary Van Guilder
Severe Sepsis, Critical Illness
Ultrasound Measurement of Reactive Hyperemia in Critical Care
The investigators hypothesize that doctors and nurses can undergo a brief period of training and then use ultrasound to accurately measure blood flow in a forearm artery after a brief period when this flow is interrupted with a…
- Trial name
- URHC (NCT01726595)
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Prehypertension (Elevated Blood Pressure) or Hypertension, Obesity and Obesity-related Medical Conditions
Evaluation of Physical Fitness and Hemodynamics Across a Diverse Population
In this study, investigators will use the IFT 30-15 test, a six-minute walking test, and a treadmill test to assess the participants' cardiorespiratory fitness.
- Trial name
- ACT-ON-s1 (NCT06669715)
- Where
- Slovenia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Ljubljana
Hypertension, Endothelial Function
Endothelial Extracellular Vesicles as Biomarkers of Endothelial Activation in Adults With Newly Diagnosed Hypertension
Hypertension is associated with endothelial dysfunction, an early event in the development of cardiovascular disease. Endothelial extracellular vesicles (EEVs) have emerged as promising biomarkers of endothelial activation and…
- Trial name
- HYPER-endoEV-a (NCT07728630)
- Where
- Croatia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Josip Juraj Strossmayer University of Osijek
Hyperemia, Intraocular Pressure
Effect of NSAID on Travoprost-induced Conjunctival Hyperemia and IOP Reduction in Normal Eyes
PG-analogues induce hyperemia as one of side effects in addition to IOP reduction. IOP reduction is caused by direct FP receptor stimulation, but the cause of hyperemia is not clarified.
- Trial name
- ENTICHIR (NCT02136589)
- Testing
- dicrofenac and travoprost
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tokyo University
Sickle Cell Disease
Blood Flow and Pain Crises in People With Sickle Cell Disease
Background: Many people with sickle cell disease have repeated episodes of severe pain that lasts for days, requiring hospital care. These episodes, called pain crises, may be caused by changes in blood flow.
- Trial name
- NCT01568710
- Where
- United States
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Sepsis, Sepsis and Septic Shock
Hemodynamic Venous Congestion Ultrasound (VExUS) by ICU Nurses in Sepsis Patients.
Sepsis is a serious condition where the body's immune response to infection overreacts, leading to organ damage and death. Venous congestion, a buildup of blood in the veins, can occur in sepsis and contribute to organ injury.
- Conditions
- Sepsis, Sepsis and Septic Shock, Sepsis at Intensive Care Unit, Intensive Care Nurses
- Trial name
- VEXIVAN (NCT07406750)
- Testing
- Education in performing hemodynamic diagnostic ultrasound of venous congestion, Hemodynamic diagnostic ultrasound of venous congestion
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Region Örebro County
Dental Implants
Microvascular Reactivity of the Gingiva Around Implant Born Crown
Apply LSCI method for follow-up changes in regional blood flow after compression of the gingiva in order to compare the vascular reactivity of the attached gingiva at implant versus at tooth.
- Trial name
- NCT03513627
- Testing
- Post-occlusive reactive hyperemia test (PORH test)
- Where
- Hungary
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Semmelweis University
Vasodilation, Blood Pressure
Nitrate Supplementation and Muscle Blood Flow
The main purpose of this study is to evaluate the effects of an acute dose of dietary nitrate in the form of beetroot juice on skeletal muscle blood flow in response to dynamic knee extension exercise in healthy older adults.
- Conditions
- Vasodilation, Blood Pressure, Active Hyperemia, Aging
- Trial name
- NCT03459027
- Testing
- Super Beets, Beetroot powder
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Cardiovascular Risk Factor, Endothelial Dysfunction
Interrupting Sitting With High Intensity Exercise on Vascular Function in Adolescents Before and After a Mixed Meal
This study aims to investigate the effect of interrupting a three hour bout of prolonged sitting with high intensity interval exercise on lower limb blood vessel function in adolescents before and after a mixed meal challenge.
- Trial name
- NCT04337385
- Testing
- Interrupting 3 hours of prolonged sitting with high intensity interval exercise, 3 hours of prolonged sitting
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Exeter
Glaucoma
Evaluating Injection With the Use of Brimonidine Tartrate Ophthalmic 0.025% on Patients Using Netarsudil 0.02%/Latanoprost 0.005% to Treat Glaucoma
To evaluate the effect of brimonidine tartrate 0.025% on conjunctival hyperemia in patients treated with netarsudil 0.02%/latanoprost 0.005% mono-therapy for intraocular pressure lowering.
- Trial name
- NCT07209410
- Testing
- Brimonidine Tartrate Ophthalmic 0.025%
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
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
Healthy Volunteers
Role of Epoxy-eicosatrienoic Acids in Post-occlusive Hyperemia and Thermal Hyperemia
The objective of this proof of concept study is to assess the involvement of epoxy-eicosatrienoic acids (EETs) in post-occlusive hyperemic and thermal hyperemia responses, and the interaction between nitric oxide (NO) and EETs…
- Trial name
- EETY (NCT01290198)
- Testing
- Microdialysis of fluconazole, vehicle and N(G)-nitro-L-arginine-methyl ester (L-NMMA)
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble