Clinical trials: Cerebral Perfusion and Oxygenation
Sickle Cell Disease
Sickle Cell Anemia and Cerebral Microcirculation : Multimodal Exploration
The aim of this study is to evaluate determinants of cerebral oxygenation and perfusion at the microcirculatory level in children with sickle cell anemia (SCA) using combined novel investigational tools: Arterial Spin Labeling…
- Trial name
- DREAM² (NCT02909283)
- Testing
- Physical exams and blood analyzes
- Where
- 2 sites in France
- Volunteers
- 64 people
- Sponsor
- Imagine Institute
Intermittent Hypoxemia, Apnea of Prematurity
Influence of Oxygen Target Range on Intermittent Hypoxemia in Preterm Infants
In this randomized crossover trial, preterm infants with intermittent hypoxemia and need for supplemental oxygen will be randomized to either Sequence of two different oxygen target ranges (low: 85-89%; high: 91-95%) for a total…
- Trial name
- NCT02743988
- Testing
- Oxygen
- Where
- Germany
- Volunteers
- 36 people
- Sponsor
- University of Ulm
Heart Valve Diseases
Normothermiс Cardiopulmonary Bypass Increases Cerebral Oxygenation During Valve Surgery
The aim of our study was to evaluate the effect of different temperature regimens of cardiopulmonary bypass on systemic oxygen transport and cerebral oxygenation during surgical correction of acquired heart diseases.
- Trial name
- NCT01685554
- Testing
- hypothermic CPB, normothermic CPB
- Where
- Russia
- Volunteers
- 40 people
- Sponsor
- Northern State Medical University
Arterial Hypotension, Shock
Cerebral Circulation in Critically Ill Children
The principal purpose of this study is to describe the changes in cerebral circulation (assessed by transcranial ultrasound) and oxygenation (assessed by Near InfraRed spectroscopy, NIRS) during resuscitation for hemodynamic…
- Conditions
- Arterial Hypotension, Shock, Cerebral Lesion
- Trial name
- CIRCU-REAPED (NCT03731104)
- Testing
- Near InfraRed Spectroscopy assessment, Transcranial Doppler Ultrasound assessment, Cardiac output assessment
- Where
- 3 sites in France
- Volunteers
- 27 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Preterm Infant, Term Infant
C-UCM and Cerebral Oxygenation and Perfusion
In this randomized controlled Pilot study the effects of cut-umbilical cord milking on cerebral oxygenation and perfusion measured via near-infrared spectroscopy (NIRS) and the effects on stroke volume (SV) and cardiac output…
- Conditions
- Preterm Infant, Term Infant, Transition
- Trial name
- NCT03748914
- Testing
- Intervention Group, Control Group
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Thyroid, Carotid Doppler
Effect of Head Position During Thyroidectomy on Postoperative Cognitive Functions
The aim of our study is to observe the effect of head-neck position of patients scheduled for thyroidectomy, on carotid artery blood flow, regional cerebral oxygen saturation measured using near-infrared spectroscopy technology…
- Conditions
- Thyroid, Carotid Doppler, Cerebral Perfusion
- Trial name
- NCT04830293
- Testing
- Carotis Doppler Ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Increase in Intra-abdominal Pressure, Increase in Intracranial Pressure (ICP)
Changes in Cerebral Oxygenation Studies During Laparoscopy Procedure
The motivation results from the fact, that an intra-abdominal pressure is correlated with cerebral perfusion, in a mechanism of reducing venous outflow.
- Conditions
- Increase in Intra-abdominal Pressure, Increase in Intracranial Pressure (ICP), Laparoscopy, Cerebral Perfusion and Oxygenation
- Trial name
- NCT03640741
- Testing
- Laparoscopy
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences
Stroke
Acute Effects of Physiotherapy Interventions on Biceps Brachii Muscle Tissue Perfusion After Stroke
This study aimed to investigate the acute effects of proprioceptive neuromuscular facilitation (PNF), the Bobath concept, and virtual reality (VR)-based interventions on biceps brachii tissue perfusion in individuals with chronic…
- Trial name
- NCT07853859
- Testing
- Proprioceptive Neuromuscular Facilitation (PNF), Bobath Concept, Virtual Reality (VR)-Based Intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 26 people
- Sponsor
- Izmir Bakircay University
Hypoxia, Brain
CO2 (Carbon Dioxide) - Cerebral Oxygenation
Several projects in high altitude research in environments with a low oxygen partial pressure (hypobaric hypoxia) leading to hypoxemia showed, that cerebral perfusion and cerebral performance could be improved by adding C02…
- Trial name
- NCT03338907
- Testing
- Oxycarbon (5% CO2+ 95% O2)
- Where
- Switzerland
- Volunteers
- 30 people
- Sponsor
- University of Zurich
Anesthesia, Peripheral Arterial Diseases
The Effect of Blood Pressure on Cerebral Perfusion During Vascular Surgery
Anesthesia reduces blood pressure and cerebral blood flow is normally considered to be maintained despite marked changes in blood pressure.
- Trial name
- NCT02531139
- Testing
- MAP maintained at 80 mmHg, MAP maintained at 60 mmHg
- Where
- Denmark
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Hemorrhage
Pulsatile Perfusion Therapy Phase II
Individuals who suffer from a stroke, cardiac arrest, or traumatic bleeding (hemorrhage) injuries often have compromised blood flow and oxygen to the brain which can lead to the death of brain cells, and if the patient survives…
- Trial name
- PPT2 (NCT05983744)
- Testing
- 0 Hz Control, 0.1 Hz PPT, 0.05 Hz PPT
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Caroline Rickards
Critically Ill Patients
Regional Cerebral Hemodynamics Related to Global Hemodynamics
This prospective investigation studies changes in regional cerebral hemodynamics and oxygenation as a function of cardiac output and blood pressure in intensive care patients.
- Trial name
- NCT01995565
- Testing
- PLR
- Where
- Germany
- Volunteers
- 64 people
- Sponsor
- Johannes Gutenberg University Mainz
Subarachnoid Hemorrhage, Aneurysmal, Intracerebral Hemorrhage (ICH)
Non-invasive Measuring of Cerebral Perfusion After Severe Brain Injury With Near-infrared-spectroscopy and ICG
The purpose of this study is to show if it is possible to detect secondary ischemic events in patients with severe brain injury or cerebral haemorrhage with the help of non-invasive near-infrared spectroscopy (NIRS) by using the…
- Conditions
- Subarachnoid Hemorrhage, Aneurysmal, Intracerebral Hemorrhage (ICH), Traumatic Brain Injury
- Trial name
- NCT01836848
- Testing
- measuring cerebral perfusion by NIRS with ICG
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- University of Cologne
Coronary Heart Disease, Healthy Control
Periodization of Exercise Training in Patients With Coronary Heart Disease.
The research project includes two components that assess exercise physiology parameters, cerebrovascular reserve, cognitive functions and cardiac function in coronary heart disease patients at rest, during an acute exercise, and…
- Trial name
- PERIOD (NCT03443193)
- Testing
- Exercise training
- Where
- Canada
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Montreal Heart Institute
Migraine, Migraine With Aura
Oxygenation and Perfusion in Patients With Acute Migraine Attacks
The aim of the study is to retrospectively evaluate brain perfusion and oxygenation in acute migraine attacks. Magnetic resonance perfusion and susceptibility weighted imaging are the technics to measure perfusion and oxygenation…
- Conditions
- Migraine, Migraine With Aura, Migraine; Status
- Trial name
- OPAMA (NCT03536936)
- Volunteers
- 1,000 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Hypoxia, Altitude
Cocoa Flavanol Intake and Exercise in Hypoxia
Not uncommonly, sports events take place or finish at high altitude, where physical and cognitive (e.g. decision-making, motor control) performance in hypoxia is determining the outcome of sports performance.
- Trial name
- NCT03135314
- Testing
- cocoa flavanol
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Vrije Universiteit Brussel
Brain Injuries
Invasive and Non-Invasive Assessment of Cerebral Oxygenation in Patients With Severe Traumatic Brain Injury (TBI)
The purpose of this study is to investigate the relationship among regional transcranial oxygen saturation (rSO2), brain tissue oxygen pressure (PbtO2) and cerebral perfusion pressure (CPP) in patients with severe traumatic brain…
- Trial name
- NCT00703495
- Testing
- transcranial oxygen saturation measurement (INVOS Somanetics 5100C)
- Where
- Spain
- Volunteers
- 20 people
- Sponsor
- Hospitales Universitarios Virgen del Rocío
Interscalene Block, Superficial Cervical Block
Comparison Of The Effects Of Regional Anesthesia On Brain And Carotid Artery Oxygenation In Shoulder Surgery
The aim of our study was to compare the effects of interscalene block alone and the combination of interscalene block and superficial cervical block on cerebral oxygenation, carotid artery diameter, intraoperative hemodynamics…
- Conditions
- Interscalene Block, Superficial Cervical Block, Cerebral Perfusion, Shoulder Surgeries
- Trial name
- NCT07398352
- Testing
- Interscalene brachial plexus block, Interscalene brachial plexus block and superficial cervical plexus block
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Sanliurfa Mehmet Akif Inan Education and Research Hospital
Post-Hemorrhagic Hydrocephalus
Cerebral Perfusion, Oxygenation, Electrical Activity
The specific aim of the research proposal in preterm infants with IVH and PHH who require placement of an Omaya reservoir or a shunt is to determine if decreasing ventricular volume improves, middle cerebral artery flow, cerebral…
- Trial name
- NCT00747682
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University of Utah
Adverse Effect, Cerebral Perfusion
Investigation Of The Effects Of Unilateral And Bilateral Spinal Anesthesia On Cerebral Blood Flow
Spinal anesthesia is a widely used method in anesthesia practice. Unilateral spinal block refers to a neuroaxial technique that induces motor and sensory blockade on the surgical side.
- Trial name
- NCT06871449
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Nuh Naci Yazgan University