Clinical trials: Cerebral Oxygen Saturation
Cerebral Tumor, Stroke
Magnetic Resonance Imaging Evaluation of the Tissular Oxygen Saturation in Brain
The purpose of this study is to measure the tissular oxygen saturation in brain by magnetic resonance imaging on subjects and to correlate the results with near infrared spectroscopy measurements.
- Trial name
- GADOXY (NCT02317055)
- Testing
- imaging
- Where
- France
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Sleep Deprivation
Sleep Quality After Stellate-ganglion Block of Patients Undergoing Breast Cancer Operation
Stellate-ganglion block have been done safely for more than 60 years. It has proved to provide survivors of breast cancer with relief from hot flushes and sleep dysfunction with few or no side-effects.
- Trial name
- NCT02651519
- Testing
- 0.25% ropivacaine hydrochloride, saline
- Where
- China
- Volunteers
- 105 people
- Sponsor
- China Medical University, China
Coronary Artery Bypass Graft
High Frequency Ventilation During Off Pump Coronary Artery Bypass Graft (CABG)
This study is to test the safety of high frequency-low volume ventilation during off pump coronary artery bypass as reflected in the near infrared spectroscopy values for cerebral oxygenation.
- Trial name
- VHF (NCT00863044)
- Testing
- Apnea, High frequency ventilation
- Where
- Canada
- Volunteers
- 80 people
- Sponsor
- Montreal Heart Institute
Anesthesia, Cerebral Blood Flow
Hypertension and Cerebrovascular Hemodynamics in General Anaesthesia
During anesthesia, blood pressure-raising medications are often required to achieve an adequate blood pressure level. However, there is limited knowledge about what constitutes an adequate blood pressure to ensure sufficient…
- Conditions
- Anesthesia, Cerebral Blood Flow, Regional Cerebral Oxygen Saturation, Blood Pressure
- Trial name
- NCT06855407
- Testing
- Blood pressure elevation
- Where
- Sweden
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Umeå University
Prematurity of Fetus, Patent Ductus Arteriosus
Influence of Treatment for Patent Ductus Arteriosus on Cerebral Oxygenation in Preterm Infants
The purpose of this study is to examine the influence medical or surgical treatment for patent ductus arteriosus in preterm infants on cerebral and renal tissue oxygenation and on cardiac output.
- Trial name
- NCT01428180
- Testing
- Indomethacin, Surgical Ligation, Ibuprofen
- Where
- Germany
- Volunteers
- 35 people
- Sponsor
- University of Ulm
Postoperative Cognitive Dysfunction
Optic Nerve Sheath Diameter and Postoperative Cognitive Disfunction at Laparoscopic Surgery
Purpose: Pneumoperitoneum during laparoscopic abdominal surgery increases intra-abdominal pressure (IAP), potentially altering intracranial pressure (ICP) and cerebral oxygenation, with unclear implications for early…
- Trial name
- NCT07264764
- Testing
- Optic nerve sheath diameter (ONSD)
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Duzce University
Delirium
Peri-operative Monitoring of Cerebral Oxygenation and the Onset of Delirium in Patients Undergoing Cardiac Surgery
Delirium is an acute brain syndrome characterized by a disturbance in consciousness accompanied by periods of inattention and changes in cognition.
- Trial name
- ICARUS (NCT02532530)
- Testing
- Near-Infrared Spectroscopy (NIRS)
- Where
- Belgium
- Volunteers
- 103 people
- Sponsor
- Hasselt University
Heart Failure, Coronary Artery Disease
The Usefulness of Growth Differentiation Factor 15 (GDF-15) for Risk Stratification in Cardiac Surgery
Growth determination factor 15 (GDF-15) and high sensitive troponin-t (hsTnT) are emerging humoral markers for risk stratification in clinically stable heart failure patients and in patients with stable coronary artery disease.
- Trial name
- NCT01166360
- Where
- Germany
- Volunteers
- 2,000 people
- Sponsor
- University of Luebeck
Hypotension Drug-Induced
A Prospective Study of Vasopressor on Cerebral Oxygenation During General Anesthesia
The purpose of this study is to investigate whether norepinephrine(N), phenylephrine(P) or ephedrine(E) have different effect on cerebral oxygenation in abdominal surgery with propofol or sevoflurane.
- Trial name
- NCT06334549
- Testing
- Ephedrine-P, Phenylephrine-P, Norepinephrine-P
- Where
- China
- Volunteers
- 180 people
- Sponsor
- Dalian Municipal Central Hospital
Hypotension During Surgery, Hemodynamic Instability
Prevention or Treatment of Arterial Hypotension and Oxygen Cerebral Saturation During Major Abdominal Surgery
In this study investigators will explore the association between intraoperative arterial hypotension and cerebral oxygen saturation in patients scheduled for major abdominal surgery.
- Trial name
- NCT05481047
- Testing
- HPI
- Where
- Italy
- Volunteers
- 48 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Electrical Cardioversion of Atrial Fibrillation, Pharmacological Cardioversion of Atrial Fibrillation
Cerebral Oxygen Saturation Measurement During Cardioversion Because of Atrial Fibrillation
Near infrared spectroscopy (NIRS) is a technique that measures regional cerebral oxygenation in a non-invasive manner. Through the use of near infrared light, the difference between oxygenated and deoxygenated hemoglobin can be…
- Trial name
- NCT02378155
- Testing
- SenSmart Model X-100, Nonin Medical
- Where
- Belgium
- Volunteers
- 60 people
- Sponsor
- Hasselt University
Spinal Anesthesia-Induced Hypotension, Cerebral Oxygenation
Effects of Ondansetron Timing During Spinal Anesthesia for Urologic Surgery
This study will evaluate whether the timing of intravenous ondansetron administration affects cerebral oxygenation and hemodynamic stability in older adults undergoing endoscopic urologic surgery under spinal anesthesia.
- Trial name
- NCT07858149
- Testing
- Ondansetron 8 mg, 0.9 % sodium chloride
- Where
- Turkey (Türkiye)
- Volunteers
- 99 people
- Sponsor
- Istanbul University
Elderly Patients Undergoing Spinal Surgery
Post-operative Cognitive Dysfunction and the Change of Regional Cerebral Oxygen Saturation in Elderly Patients Undergoing Spinal Surgery
Post operative cognitive dysfunction (POCD) is a well-recognized complication of patients undergoing cardiac surgery. Previous studies reported near-infrared spectroscopy provides information on the occurrence of cerebral…
- Trial name
- NCT01839227
- Testing
- Neurologic and neuropsychologic tests
- Where
- South Korea
- Volunteers
- 87 people
- Sponsor
- Yonsei University
Anaesthesia
Measuring the Effect of External Pressure on the Regional Cerebral Oxygen Saturation Monitored by Near-infrared Spectroscopy(NIRS) Technology
During general anaesthesia, to ensure sufficient oxygen supply to the brain, the NIRS technology can be used. It consist of two sensors placed on the forehead, and measures the oxygen saturation of the tissue underneath the…
- Trial name
- NCT01971996
- Where
- Denmark
- Volunteers
- 60 people
- Sponsor
- Glostrup University Hospital, Copenhagen
Anesthesia; Functional
Assessment Through Transcutaneous Brain Oximetry (NIRS) of Two Preoxygenation Techniques
Preoxygenation techniques is currently considered a standard of care, but how they influence cerebral oxygenation remains largely unknown.
- Trial name
- NCT04352049
- Testing
- Preoxygenation
- Where
- 2 sites in Spain
- Volunteers
- 53 people
- Sponsor
- Complexo Hospitalario Universitario de A Coruña
Heart Arrest
Comparison of Cerebral SctO2 Between 36℃ and 33℃ of TTM After Cardiac Arrest
The investigators hypothesize that 1. if decrease in SctO2 level is caused by the degree of hypothermia, SctO2 level in the 33-TH may be lower than that in the 36-TH group. 2.
- Trial name
- NCT02889744
- Testing
- Arctic Sun
- Where
- South Korea
- Volunteers
- 66 people
- Sponsor
- Seoul National University Hospital
Cerebral Ischemia-Hypoxia
Effect of Sedatives on Regional Cerebral Oxygen Saturation
Compare the changes of regional cerebral oxygen saturation during midazolam or dexmedetomidine sedation for spinal anesthesia in the elderly patients who undergoing femur surgery.
- Trial name
- 2 (NCT02966743)
- Testing
- Midazolam, Dexmedetomidine
- Where
- South Korea
- Sponsor
- Gachon University Gil Medical Center
Acute Ischemic Stroke Patients
Evaluation of rSO2 Between Frontal Lesion Area and Normal Area of Brain by NIRSITX Using NIRS in Acute Ischemic Stroke Patients.
The clinical trial is for acute ischemic stroke patients measuring cerebral oxygen saturation (rSO2) values using pulse oximeter of near-infrared spectroscopy in the frontal lesion area and normal area of brain.
- Trial name
- fNIRS (NCT06250608)
- Testing
- Pulse oximeter, NIRSITX
- Where
- 2 sites in South Korea
- Volunteers
- 35 people
- Sponsor
- OBELAB, Inc.
Aortic Stenosis Disease, TAVI(Transcatheter Aortic Valve Implantation)
Cerebral Regional Oxygen Saturation During TAVI - The CROS-TAVI Prospective Registry
This single-center, non-commercial clinical study investigates how different types of transcatheter aortic valve prostheses affect cerebral oxygen saturation during the procedure (TAVI - Transcatheter Aortic Valve Implantation).
- Conditions
- Aortic Stenosis Disease, TAVI(Transcatheter Aortic Valve Implantation), Cerebral Oxygen Saturation, Hemodynamic Changes
- Trial name
- CROS-TAVI (NCT07016789)
- Testing
- Near-infrared spectroscopy monitoring (NIRS) INVOS 5100C
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Thoracic Surgery, Epidural Anesthesia
The Effect of Regional Anesthesia Techniques on Brain Tissue Oxygenation in Thoracic Surgery
Today, it is preferred that the lung with pathology for thorax surgery is not under ventilation during operation in terms of reliability and ease of operation.
- Conditions
- Thoracic Surgery, Epidural Anesthesia, Cerebral Oxygen Saturation
- Trial name
- NCT04373174
- Testing
- Regional oximetry probe, Thoracic Epidural block
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital