Clinical trials: Hyperemia
Intraoperative, Venous Congestion
Venous Congestion And Delirium After Cardiac Surgery
Postoperative delirium (POD) is an acute brain dysfunction characterized by inattention, impaired consciousness, and cognitive and orientation disturbances, and is a common complication after cardiac surgery.
- Conditions
- Intraoperative, Venous Congestion, Postoperative Delirium (POD), Cardiac Surgery
- Trial name
- NCT07285187
- Testing
- collection of demographic characteristics and comorbidities, surgery-related parameters, POD assessments
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Zhuan Zhang
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)
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
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.
Cardiac Surgical Procedures, Hemodynamics
Structured Hemodynamic Assessment to Guide Care After Cardiac Surgery
This multicenter pilot randomized controlled trial will evaluate whether providing treating physicians with a structured hemodynamic assessment influences care after cardiac surgery.
- Conditions
- Cardiac Surgical Procedures, Hemodynamics, Fluid Therapy, Acute Kidney Injury
- Trial name
- UTF-in-CVICU (NCT07792707)
- Testing
- Expert Report of a Structured Hemodynamic Assessment, Standard Care (in control arm)
- Where
- 2 sites in Canada
- Volunteers
- 75 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
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
Nipple Infection, Nipple Discharge
Breastfeeding Education Through Clinical Demonstration for Primiparous Women to Prevent Sore Nipples and Engorgement
Several studies show that breastfeeding problems in the first days of birth pose a significant obstacle to successful breastfeeding.
- Conditions
- Nipple Infection, Nipple Discharge, Engorgement
- Trial name
- NCT06770595
- Testing
- breastfeeding positions and attachment practice.
- Where
- 6 sites in Indonesia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Gadjah Mada University
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
Pulmonary Hypertension, Thromboembolism, Pulmonary
Perioperative Portal Vein Pulsatility as a Postoperative Prognostic Indicator in Pulmonary Endarterectomy
The investigators aim to evaluate the utility of portal vein pulsatility as a predictor of the composite outcome of persistent organ dysfunction plus death in patients undergoing elective or urgent pulmonary endarterectomy for…
- Conditions
- Pulmonary Hypertension, Thromboembolism, Pulmonary, Perioperative/Postoperative Complications, Venous Hypertension
- Trial name
- PVP-ETO-CPC (NCT03197792)
- Testing
- All patients
- Where
- France
- Volunteers
- 39 people
- Sponsor
- Centre Chirurgical Marie Lannelongue
Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance)
Peanuts for Cardiometabolic, Brain, and Intestinal Health
The overall objective of this 14-month randomized crossover study is to seek evidence demonstrating that daily consumption of peanuts and peanut products improve cardiometabolic, cognitive, and intestinal health in a racially…
- Conditions
- Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Cognition, Microvascular Function
- Trial name
- NCT06867198
- Testing
- Peanuts
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Georgia State University
Coronary Artery Disease
Regadenoson and Adenosine
The aim of the study is to test the accuracy of Regadenoson to induce maximal and steady state hyperemia as compared to central venous infusion of adenosine for assessing fractional flow reserve.
- Trial name
- NCT01809743
- Testing
- Regadenoson central -central, Regadenoson peripheral - peripheral, Regadenoson central - peripheral
- Where
- Netherlands
- Volunteers
- 100 people
- Sponsor
- Lokien van Nunen
Dry Eye Syndromes, Keratoconjunctivitis Sicca
Safety and Efficacy of KPI-121 in Subjects With Dry Eye Disease
The primary purpose of this study is to determine the efficacy and safety of KPI-121 0.25% ophthalmic suspension compared to vehicle (placebo) in subjects who have a documented clinical diagnosis of dry eye disease.
- Trial name
- STRIDE 1 (NCT02813265)
- Testing
- KPI-121 0.25% Ophthalmic Suspension, Vehicle of KPI-121 0.25% Ophthalmic Suspension
- Where
- 60 sites in United States
- Volunteers
- 918 people
- Sponsor
- Kala Pharmaceuticals, Inc.
Engorgement
Engorgement Study With a Double Electric Breast Pump
The purpose of this study is to analyze the effectiveness of an FDA approved Class II medical device, the Simplisse Double Electric Breast Pump, in relieving the symptoms of engorgement.
- Trial name
- NCT01619371
- Testing
- Simplisse Double Electric Breast Pump
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Foundation for Maternal Infant and Lactation Knowledge
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
Septic Shock, Fluid Resuscitation
Evolution of Tissue Perfusion and Venous Congestion Markers in Fluid-Responsive Septic Shock Patients
Septic shock remains a leading cause of mortality in intensive care, and while fluid resuscitation (FR) is a cornerstone of early management, its benefit-risk balance is highly variable.
- Conditions
- Septic Shock, Fluid Resuscitation, Congestion, Venous
- Trial name
- FLUID-IMPACT (NCT06958809)
- Testing
- Echography
- Where
- France
- Volunteers
- 200 people
- Sponsor
- Hospital Ambroise Paré Paris
Reactive Hyperemia, Micro RNA
Effect on Markers of Cardiovascular, Reproductive and Cancer Risk From Firefighting Training
Epidemiological studies based on Danish registries have observed that Danish male firefighters have more cardiovascular disease, infertility diagnose and a trend to increased risk of cancer than other Danish employed males.
- Conditions
- Reactive Hyperemia, Micro RNA, Heart Rate Variability, DNA Strand Breaks
- Trial name
- BIOBRAND3 (NCT05753254)
- Testing
- Firefighting training exercises with no fire, Firefighting training exercises under wood fire, Firefighting training exercises under gas fire
- Where
- 2 sites in Denmark
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- National Research Centre for the Working Environment, Denmark
Acute Kidney Injury After Open Heart Surgery, Venous Congestion After Open Heart Surgery
Evaluation of the Association Between the VEXUS Score and Hemodynamic Status and the Occurrence of Acute Kidney Injury After Open-Heart Surgery
Acute kidney injury is a common complication after cardiac surgery with cardiopulmonary bypass and is associated with prolonged intensive care unit stay, increased morbidity, and mortality.
- Trial name
- NCT07805564
- Where
- Vietnam
- Volunteers
- 135 people
- Sponsor
- Hanoi Medical University
Acute Kidney Injury, Hypoperfusion
The Predictive Performance of Renal Ultrasound on Changes in Renal Clearance
The study will examine the ability of renal ultrasound (Doppler and Contrast Enhanced Ultrasound (CEUS)) in distinguishing ICU patients who exhibit increases in glomerular filtration rate (GFR) in response to fluid loading, from…
- Conditions
- Acute Kidney Injury, Hypoperfusion, Fluid Overload
- Trial name
- NCT04198168
- Testing
- IV crystalloid fluid bolus
- Where
- Denmark
- Volunteers
- 2 people
- Sponsor
- Aarhus University Hospital
Hyperemia
Efficacy and Safety of Brimonidine Tartrate Ophthalmic Solution in Adult and Geriatric Participants With Ocular Redness
To compare the efficacy and safety of brimonidine tartrate ophthalmic solution 0.025% with its vehicle for the treatment of ocular redness in a population of adult and geriatric participants with ocular redness.
- Trial name
- NCT01959230
- Testing
- Brimonidine Tartrate, Vehicle, Sodium Fluorescein
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Bausch & Lomb Incorporated
Microangiopathy, Microvascular Complications
Microangiopathy in Diabetes
This clinical trial aims to evaluate the use of a contactless and non-invasive technique to measure the properties of the skin's microcirculation and its regulatory functions in both healthy individuals and patients with…
- Trial name
- MIND (NCT07145567)
- Where
- Sweden
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet