Clinical trials: Hypoperfusion
Cardiac Surgery Requiring Cardiopulmonary Bypass
Oxygen Consumption, Hypoperfusion and Organ Injury After Cardio-pulmonary Bypass
The goal of this observational study is to understand how oxygen consumption after heart surgery relates to blood flow problems and organ injury.
- Trial name
- VO2-EPOC (NCT06930443)
- Testing
- Oxygen consumption measurement
- Where
- Sweden
- Volunteers
- 65 people
- Sponsor
- Uppsala University Hospital
Identify the Presence of a Marker of Ischemia/Hypoperfusion of the Brain Via Peripheral Blood, Ischemia/Hypoperfusion of Brain
Biomarkers of Ischemia: Xanthine, Hypoxanthine and Inosine Levels During Carotid Stenting Procedures
The purpose of the study is to determine if a new blood test can help the doctor determine if there is brain injury or ischemia. Ischemia occurs when not enough oxygen gets to the brain.
- Trial name
- NCT01639534
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Virginia Commonwealth University
Magnetic Resonance Imaging, Cerebrovascular Circulation
Brain Blood Vessel Responses to Changes in Blood Flow
Brain blood flow will be measured during a simulated postural change test and while breathing increased levels of carbon dioxide using magnetic resonance imaging.
- Trial name
- NCT06629077
- Testing
- MRI, Prazosin
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Brain Hypoperfusion
Hydroxyethyl Starch 130/0.4 and Sodium Chloride Injection as Adjunctive Therapy in Subjects With Internal Carotid Artery Hypoperfusion
The aim of this study is to evaluate the effectiveness, safety and tolerability of consistent dosages of the study drug (hydroxyethyl starch 130/0.4 and sodium chloride injection, Vuloven) administrated intravenously for 7 days.
- Trial name
- NCT01192581
- Testing
- hydroxyethyl starch 130/0.4 and sodium chloride injection
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Xijing Hospital
Multiple Sclerosis
Transcranial Electrical Stimulation in Multiple Sclerosis
First the investigators will examine if the blood flow in the brain is different in patients with Multiple Sclerosis compared to healthy volunteers. HOW? The blood flow of the subjects is imaged by use of a special MRI-technique.
- Trial name
- TEMS (NCT06966128)
- Testing
- transcranial Direct Current Stimulation
- Where
- 2 sites in Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Oxidative Stress
Oxidative Stress in Robot-assisted Laparoscopic Radical Prostatectomy
Gut hypoperfusion - reperfusion injury is an unavoidable event at the end of laparoscopic surgery. It produces oxidative stress (reactive oxygen species).
- Trial name
- NCT01334424
- Testing
- propofol
- Where
- Taiwan
- Volunteers
- 40 people
- Sponsor
- Chang Gung Memorial Hospital
Heart Failure, Dilated Cardiomyopathy
Brain Function and Perfusion in Patients With Heart Failure
The investigators will evaluate the determinants of cerebral impairment in patients with non-ischemic heart failure compared to controls, and its relation to cognitive function.
- Conditions
- Heart Failure, Dilated Cardiomyopathy, Perfusion, Cognitive Impairment
- Trial name
- BRAIN-HF (NCT01756014)
- Where
- Netherlands
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Lactate, Metabolism
Lactate Metabolism in the Hypoperfused Critically Ill
Investigating lactate metabolism in critically ill patients whom are hypoperfused by preforming metabolomics via liquid chromatography-mass spectrometry.
- Conditions
- Lactate, Metabolism, Hypoperfusion, Metabolomics
- Trial name
- NCT05582824
- Testing
- Blood and urine test
- Where
- Denmark
- Volunteers
- 20 people
- Sponsor
- University of Copenhagen
Intrauterine Growth Retardation, Feeding Patterns
The Effect of Neonatal Feeding Modalities on Splanchnic Oxygenation
OBJECTIVES: The main purpose of this study was to evaluate the impact of drip versus intermittent feeding on splanchnic oxygenation in preterm infants with intrauterine growth restriction (IUGR).
- Conditions
- Intrauterine Growth Retardation, Feeding Patterns, Splanchnic Hypoperfusion
- Trial name
- NCT05513495
- Testing
- The effect of drip versus intermittent feeding on splanchnic oxygenation
- Where
- Turkey (Türkiye)
- Volunteers
- 51 people
- Sponsor
- Ozge Surmeli Onay
SEPSIS, Septic Patients
Peripheral Perfusion and Outcomes in ICU Patients With Sepsis
People with sepsis who are treated in the intensive care unit (ICU) often have impaired blood flow to the skin and other tissues.
- Trial name
- PERFUSE-ICU (NCT07391098)
- Testing
- PERIPHERAL PERFUSION EVALUATION
- Where
- Romania
- Volunteers
- 80 people
- Sponsor
- Alexandra Elena Lazăr
Partial Nephrectomy, Renal Cell Carcinoma
Novel Controlled Hypo-Perfusion Technique in Partial Nephrectomy
Many patients who are candidates for nephron-sparing surgery, partial nephrectomy is now the standard treatment with a surgical, small, clinical T1 tumor (<7 cm).
- Trial name
- NCT01720693
- Testing
- Hypoperfusion of renal artery
- Where
- Canada
- Volunteers
- 3 people
- Sponsor
- University Health Network, Toronto
Cerebral Hypoperfusion, Cerebral Occlusion
Evaluation of Cerebral Blood Flow and Cerebral Oxygenation With Transcranial Doppler and NIRS in Laparoscopic Cholecystectomy Cases
The goal of this clinical trial is to test intracranial blood flow and cerebral oxygenisation changes in patients who have pneumoperitoneum in laparoscopic cholecystectomy procedure.
- Conditions
- Cerebral Hypoperfusion, Cerebral Occlusion, Cholecystitis; Gallstone, Cholecystitis/Cholelithiasis
- Trial name
- NIRS L/C (NCT06036498)
- Testing
- Near Infrared Spectrophotometry Device, Transcranial Doppler Ultrasonography
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Uludag University
Critical Limb Ischemia, Peripheral Vascular Disease
Combination Stem Cell Therapy for the Treatment of Severe Leg Ischemia
The purpose of this research study is to determine if the transplant of a combination of stem cells obtained from the bone marrow of the same patient will contribute to the formation of new blood vessels in the severely diseased…
- Trial name
- mesendo (NCT00518401)
- Testing
- Mesendo
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- TCA Cellular Therapy
Microvascular Disease, Microvascular Complications
Comparison of Differencens in VO2-max, Perfusion of the Heart and Brain and Cognitive Performance Between Patients with Type 2 Diabetes and Healthy Age Matched Controls.
In the aging population, ischemic heart disease, stroke and dementia are increasingly prevalent. Diagnosis and treatment of the former two i.e., large-vessel coronary heart disease and endovascular thrombectomy of the brain in…
- Conditions
- Microvascular Disease, Microvascular Complications, Dementia, Diabetes Mellitus Type 2
- Trial name
- SVAT (NCT06628297)
- Testing
- PET
- Where
- Denmark
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University Hospital Bispebjerg and Frederiksberg
Cerebral Hypoperfusion, Hypotension
The Effect of Controlled Hypotension
Controlled hypotension is currently used in spinal surgery to reduce bleeding at the surgical site, improve the surgeon's visibility, and decrease intraoperative blood loss.
- Trial name
- NIRS (NCT06928870)
- Testing
- MAP 55-65 mmHg, MAP 66-75 mmHg
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Ankara Etlik City Hospital
Sepsis, Cardiomyopathies
Adjunctive DobutAmine in sePtic Cardiomyopathy With Tissue Hypoperfusion
Sepsis induces both a systolic and diastolic cardiac dysfunction. The prevalence of this septic cardiomyopathy ranges between 30 and 60% according to the timing of assessment and definition used.
- Conditions
- Sepsis, Cardiomyopathies, Hypoperfusion, Left Ventricular Systolic Dysfunction
- Trial name
- ADAPT (NCT04166331)
- Testing
- Dobutamine
- Where
- 21 sites in France
- Volunteers
- 136 people
- Sponsor
- University Hospital, Limoges
Brain Hypoperfusion Syndrome, Ischemia Brain
Efficiency Study of Siwu Tang to Treat Brain Hypoperfusion Syndrome
Brain hypoperfusion patients may cause vascular dementia results from their hypoperfusion state except that is a risk factor for stroke.
- Trial name
- NCT01221662
- Testing
- Siwu Tang
- Where
- Taiwan
- Volunteers
- 80 people
- Sponsor
- China Medical University Hospital
Hypotension and Shock, Hypoperfusion
Non-invasive Objective Assessment of Hemodynamics in Preterm Neonates
Study type: Prospective Observational trial Study design: Longitudinal Population: Preterm newborns <32 weeks gestational age Hypothesis: The inclusion of non-invasive physiological measures of cardiac output, peripheral…
- Conditions
- Hypotension and Shock, Hypoperfusion, Hemodynamic Instability, Intraventricular Hemorrhage
- Trial name
- NOAH (NCT04538079)
- Testing
- Multimodal objective non-invasive Monitoring
- Where
- Ireland
- Volunteers
- 56 people
- Sponsor
- University College Cork
Multiple Sclerosis, Relapse
Coagulation/Complement Activation and Cerebral Hypoperfusion in Relapsing-remitting Multiple Sclerosis
This is a multi-center, prospective, controlled study. MS patients (1° group: 30 patients in relapse; 2° group: 30 patients in remission) and age/sex-matched healthy controls (3° group: 30 subjects) will be enrolled in the study.
- Trial name
- NCT04380220
- Testing
- Blood samples and processing
- Where
- 3 sites in United States, Italy
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Regina Elena Cancer Institute
Intracranial Neoplasm, Hyperlactatemia
The Relationship of Anesthesia Method With Serum Lactate Level in Craniotomies
The investigators aimed to research the incidence of hyperlactatemia in craniotomy cases, the relationship of lactate elevation with tumor type and other factors that may be related, and whether the general anesthesia method…
- Conditions
- Intracranial Neoplasm, Hyperlactatemia, Brain Tumor, Hypoperfusion
- Trial name
- NCT05145049
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Ankara Diskapi Training and Research Hospital