Clinical trials: Cerebral Perfusion Pressure
Cognitively Normal Older Adults, Hypertension
Impact of Intensive Treatment of SBP on Brain Perfusion, Amyloid, and Tau (IPAT Study)
The purpose of this study is to determine if intensive lowering of systolic blood pressure (SBP), using FDA approved medications (antihypertensive), reduces Alzheimer's Disease pathology (i.e., excessive brain amyloid and tau…
- Conditions
- Cognitively Normal Older Adults, Hypertension, Subjective Cognitive Decline, Family History of Dementia
- Trial name
- IPAT (NCT05331144)
- Testing
- Angiotensin II Receptor Blockers (ARBs, losartan) and Calcium Channel Blockers (CCB, amlodipine), PCP
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- Rong Zhang
Delirium - Postoperative, Postoperative Cognitive Dysfunction (POCD)
Value of the Time-Weighted Average (TWA) of Mean Arterial Pressure (MAP) and Cerebral Oximetry (rSO₂) as Predictors of Postoperative Tissue Perfusion Impairment in Patients Undergoing Cardiac Surgery
Neurological problems after heart surgery are common and include confusion, memory loss, and difficulty thinking clearly. These issues may appear hours or days after surgery and can negatively affect recovery.
- Conditions
- Delirium - Postoperative, Postoperative Cognitive Dysfunction (POCD), Postoperative Acute Kidney Injury, Postoperative Morbidity
- Trial name
- NCT07510711
- Testing
- Continuous intraoperative monitoring of MAP and rSO₂; observational study with no therapeutic intervention.
- Volunteers
- 120 people
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Intracranial Hypertension
Intracranial Pressure and Brain Function: Effects of Head Down Tilt Upon Brain Perfusion and Cognitive Performance
The aim of the study is to understand the relationship between intracranial pressure regulation, cerebral tissue oxygenation and cognitive functioning.
- Trial name
- IPCog (NCT02976168)
- Testing
- 12° head down tilt
- Where
- Germany
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- DLR German Aerospace Center
Intra-operative Hypotension, Carotid Stenosis
Effect of Blood Pressure on rSO2 in Carotid Endarterectomy (CEA)
Carotid endarterectomy (CEA) is the recommended treatment for symptomatic high degree stenosis of the internal carotid artery (ICA).
- Trial name
- NCT01451294
- Testing
- Administration of phenylephrine, Administration of ephedrine
- Where
- Netherlands
- Volunteers
- 40 people
- Sponsor
- G.J. de Borst
Cerebral Blood Flow, Cerebral Perfusion Pressure
Continous Assessment of Cerebral Autoregulation With Near-infrared Spectroscopy
Cerebral autoregulation can be explained by a tight coupling between oxygen supply and demand of the brain, and is essential to maintain a constant cerebral blood flow (CBF) in the context of changes in cerebral perfusion…
- Trial name
- NCT02959008
- Testing
- measure TOI and BP
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yu Liyun
Cerebral Autoregulation Impairment, Postoperative Cognitive Dysfunction
BrainProtect-guided, Real-time Cerebral Autoregulation Monitoring and Protection of Brain During Cardiac Surgery With Cardiopulmonary Bypass Requiring Heart-lung Machine
The purpose of this clinical investigation is to evaluate the clinical performance, safety, and clinical benefit of the BrainProtect System in reducing early postoperative neurological complications in adult participants…
- Conditions
- Cerebral Autoregulation Impairment, Postoperative Cognitive Dysfunction, Postoperative Delirium
- Trial name
- BrainProtect (NCT07872982)
- Testing
- BrainProtect System, Standard perioperative management
- Where
- 4 sites in United States, Austria and 2 more
- Volunteers
- 304 people
- Sponsor
- Scienceforbrain, UAB
Stroke
The Acute and Chronic Effects of a Heel Raise Programme on Central Blood Pressure, Arterial Compliance and Oxygen Perfusion After Stroke
Physical inactivity and increased sedentary time are linked to increased blood pressure and may cause decreases in peripheral and cerebral oxygen perfusion in stroke survivors.
- Trial name
- NCT03423433
- Testing
- Heel raise intervention
- Where
- United Kingdom
- Volunteers
- 15 people
- Sponsor
- University of Winchester
Endotracheal Intubation, Continuous IV Sedation
Cerebral Perfusion Pressure Using Precedex and Other Sedatives
The purpose of this study is to examine the effects of using dexmedetomidine (Precedex) in addition to the current standard-of-care for sedation.
- Conditions
- Endotracheal Intubation, Continuous IV Sedation, ICP Monitoring
- Trial name
- C3PO (NCT01169467)
- Testing
- Standard-of-Care plus Dexmedetomidine, Standard-of-Care
- Where
- United States
- Volunteers
- 89 people
- Sponsor
- Duke University
Traumatic Brain Injury, Subarachnoid Hemorrhage
Normothermia in Patients With Acute Cerebral Damage
The purpose of our study is to verify wherever normothermia (achieved with diclofenac administration) may improve intracranial pressure control and may limit secondary cerebral damage thus positively influencing outcome in…
- Trial name
- NCT00491192
- Testing
- Diclofenac
- Where
- Italy
- Sponsor
- Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Stroke, Hemorrhage
Positive and Expiratory Pressure and Hemorrhagic Stroke
Intrathoracic positive pressure may lead to a change hemodynamics, with repercussions for the intracranial compartment, thereby altering intracranial pressure (ICP) and cerebral perfusion pressure (CPP).
- Trial name
- NCT01109355
- Testing
- lung mechanics ventilatory, Hemodynamic and intracranial pressure
- Where
- Brazil
- Volunteers
- 25 people
- Sponsor
- Universidade Federal de Pernambuco
Lumbar Disc Disease, Lumbar Spinal Stenosis
The Effects of Anesthesia on Cerebral Perfusion in Patients With High Blood Pressure
High blood pressure is a serious and common health problem. This disease affects 1 billion people all over the world and responsible for 7,1 million deaths.
- Conditions
- Lumbar Disc Disease, Lumbar Spinal Stenosis, Lumbar Disc Herniation, Lumbar Fracture
- Trial name
- NCT04587401
- Testing
- normotensive patients, patients with hypertension diagnosis, patients who do not know they are hypertensive but actual blood pressure is high
- Where
- Turkey (Türkiye)
- Volunteers
- 102 people
- Sponsor
- Akdeniz University
Head Injury, Intracranial Pathology
Effect of Intrathoracic Pressure Regulation on Decreased Cerebral Perfusion (4hour)
The purpose of the study is to evaluate the physiological response to application of the Intrathoracic Pressure Regulator (ITPR) in patients with compromised cerebral circulation.
- Conditions
- Head Injury, Intracranial Pathology, Compromised Cerebral Perfusion
- Trial name
- NCT02388880
- Testing
- ITPR
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Advanced Circulatory Systems
The Time Used for Determining Optimal CPP
NIRS Directed Optimal Cerebral Perfusion Pressure in Septic Shock Patients: A Feasibility Study
After the initial injury, secondary insults including poor cerebral perfusion are main contributors to poor outcome and their early detection and amelioration are keystone to neurocritical care.
- Trial name
- NCT03879317
- Testing
- Continuous NIRS monitoring
- Volunteers
- 30 people
- Sponsor
- Xiangya Hospital of Central South University
Cardiac Arrest
Monitoring and Optimization of Cerebral Perfusion Pressure in Post-cardiac Arrest Patients: a Pilot Study
The goal of this study is to establish the ICP and CPP monitoring process and analyze the results in post-arrest patients, to validate the correlation between direct and non-invasive ICP monitoring indicators, to establish a…
- Trial name
- NCT06601842
- Testing
- ICP monitoring
- Where
- Taiwan
- Volunteers
- 50 people
- Sponsor
- National Taiwan University Hospital
Cerebral Hypoperfusion
Real-Time Decision Support for Improving Intraoperative Cerebral Perfusion Pressure
Across broad surgical populations, cerebral hypoperfusion is associated with increased mortality, stroke, brain cellular injury, and poor functional outcomes.
- Trial name
- NCT03285971
- Testing
- Electronic CPP pager alert
- Where
- United States
- Volunteers
- 53 people
- Sponsor
- University of Michigan
The Time for Determine CPPopt
NIRS Directed Optimal Cerebral Perfusion Pressure in Aneurysmal Subarachnoid Hemorrhage Patients: A Feasibility Study
Neurologic dysfunction is common in aneurysmal subarachnoid hemorrhage (aSAH) patients. As we know, after the initial injury, secondary insults including poor cerebral perfusion are main contributors to poor outcome and their…
- Trial name
- NCT03879330
- Testing
- NIRS monitoring
- Volunteers
- 30 people
- Sponsor
- Xiangya Hospital of Central South University
Traumatic Brain Injury
Vasopressin Versus Catecholamines for Cerebral Perfusion Pressure Control in Brain Injured Trauma Patients
Traumatic brain injury (TBI) is among the leading causes of trauma death and disability in both civilian and military populations.
- Trial name
- AVP (NCT00795366)
- Testing
- arginine vasopressin, Standard catecholamine
- Where
- United States
- Volunteers
- 96 people
- Sponsor
- University of Miami
Glaucoma
Blood Flow of Ophthalmic Artery and Glaucoma
The main purpose of this project is to investigate the blood flow of the ophthalmic artery (OA) in patients with ocular hypertension, high tension glaucoma and normal tension glaucoma.
- Trial name
- NCT02656979
- Testing
- Latanoprost
- Where
- Sweden
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Umeå University
Intracerebral Hemorrhage, Critically Ill
Early Multimodal Neuromonitoring For Spontaneous Intracerebral Hemorrhage (ICH)
The investigators intend to assess the predictive value of early (first 48 hours) multimodal neuromonitoring parameters concerning late survival in critically ill intracerebral hemorrhage (ICH) patients.
- Conditions
- Intracerebral Hemorrhage, Critically Ill, Intracranial Pressure, Cerebral Perfusion Pressure
- Trial name
- NCT05501613
- Testing
- Multimodal Neuromonitoring
- Where
- Portugal
- Volunteers
- 65 people
- Sponsor
- Universidade do Porto
Stroke, Acute
Perfusion and Antihypertensive Therapy in Acute Ischemic Stroke
The purpose of this study is to provide a description of blood flow changes in the brain after blood pressure lowering drugs are given.
- Trial name
- PATIS (NCT02327793)
- Testing
- Nitroglycerin, Labetalol
- Where
- Canada
- Volunteers
- 65 people
- Sponsor
- University of Alberta