Clinical trials: Perfusion
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
Cerebral Perfusion Pressure, Trendelenburg
Transcranial Doppler and NIRS Monitoring of Cerebral Hemodynamics in Pediatric Laparoscopic Surgery
Laparoscopic surgery has become increasingly common in pediatric patients due to its minimally invasive nature and favorable postoperative outcomes.
- Conditions
- Cerebral Perfusion Pressure, Trendelenburg, Pediatric
- Trial name
- NCT07482514
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people
- Sponsor
- Hanife Kabukcu
Capillary Refill Time, Peripheral Tissue Perfusion
Smartphone Application for Automated Measurement of Capillary Refill Time (CRT)
This prospective, monocenter observational study aims to validate a smartphone application (CRTApp) that automatically measures capillary refill time (CRT) from a short video of a standardized finger compression.
- Trial name
- CRTApp (NCT07473869)
- Where
- France
- Volunteers
- 60 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Perfusion Index
Effect of Pulse Oximeter Device on Measured Perfusion Index Values
The aim of this study is to experimentally determine the effect of pulse oximeters from different manufacturers on measured perfusion index values in healthy subjects at rest and with and without motion artifacts.
- Trial name
- PICOMP (NCT06635018)
- Testing
- Resting conditions, Movement artifacts, Circulation constriction
- Where
- Czechia
- Volunteers
- 42 people
- Sponsor
- Czech Technical University in Prague
Regional Anesthesia, Interscalene Blocks
Comparative Impacts of Two Anesthesia Methods on Peripheral Tissue Oxygenation in the Upper Limb
This study will aim to compare the effects of two different anesthesia techniques-general anesthesia (GA) and interscalene brachial plexus block (ISB)-on forearm tissue oxygenation in patients undergoing shoulder surgery.
- Conditions
- Regional Anesthesia, Interscalene Blocks, Shoulder Surgery, Perfusion Index
- Trial name
- NCT07449611
- Testing
- General Aneasthesia, Interscalene block
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people
- Sponsor
- Sakarya University
End-stage Liver Disease (ESLD), Liver Transplantation
View of Cerebral Perfusion in Liver Transplantation
Investigator's aim in this study is to compare the more accessible and low-cost Carotid Doppler USG measurements, which are relatively more difficult to access, costly, and have technical disadvantages, and to demonstrate their…
- Conditions
- End-stage Liver Disease (ESLD), Liver Transplantation, Cerebral Perfusion, Intraoperative Monitoring
- Trial name
- NIRS/Doppler (NCT07442214)
- Testing
- Carotid Doppler Ultrasonography and Near-Infrared Spectroscopy (NIRS)
- Where
- Turkey (Türkiye)
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Inonu University
Organ Preservation, Brain Reperfusion or Regain of Brain Function During Normothermic Regional Perfusion
Multimodal Neuromonitoring During Normothermic Regional Perfusion for Organ Donors Determined Dead by circuLatory Criteria Following Withdrawal of Life Sustaining Measures
The aim of this study is to demonstrate that cerebral blood flow and brain function do not resume after death declaration in organ donors who undergo normothermic regional perfusion to restore organ function following death…
- Trial name
- NONOFLOW (NCT07423936)
- Testing
- Neuromonitoring
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- University of British Columbia
Perfusion Index, Position Differences
Evaluation Of The Effects Of Changes In Operating Table Position On Perfusion Index And Spinal Anesthesia
The aim of this observational study is to investigate how table position affects the development of block in patients undergoing spinal anesthesia. Perfusion index measurements will be used to answer this question.
- Trial name
- Perfusion (NCT07400185)
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Enes Celik
Myocardial Perfusion Imaging, Diagnostic Certainty
Comparative Imaging of XTR004 PET and MIBI SPECT in Borderline Coronary Stenosis
Compare the diagnostic certainty of MIBI SPECT myocardial perfusion imaging (MPI) and XTR004 PET MPI.
- Conditions
- Myocardial Perfusion Imaging, Diagnostic Certainty, Stable Coronary Artery Disease
- Trial name
- NCT07187895
- Testing
- XTR004
- Where
- China
- Volunteers
- 17 people
- Sponsor
- Sinotau Pharmaceutical Group
Septic Shock, Peripheral Perfusion Index
Different Norepinephrine Doses on Accuracy of Peripheral Perfusion Index in Predicting Tissue Perfusion in Septic Shock Patients
This study aims to evaluate the impact of different norepinephrine doses on the accuracy of the peripheral perfusion index in predicting tissue perfusion in septic shock patients.
- Trial name
- NCT07330908
- Testing
- Group I: Patients will receive norepinephrine <0.15 µg/kg/min, Group II: Patients will receive norepinephrine ≥ 0.15 µg/kg/min
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Tanta University
ARDS (Acute Respiratory Distress Syndrome), Electrical Impedance Tomography (EIT)
Cyclic On-off Switching of Pulmonary Blood Flow in Moderate to Severe ARDS
Although the theoretical model of "cyclic on-off switching of pulmonary blood flow" provides a crucial perspective for understanding VILI, its clinical validation and real-time intervention face significant obstacles.
- Conditions
- ARDS (Acute Respiratory Distress Syndrome), Electrical Impedance Tomography (EIT), Pulmonary Perfusion
- Trial name
- NCT07327268
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Southeast University, China
Cerebral Perfusion Pressure, Trendelenburg
Evaluation of Cerebral Perfusion in Supine and Steep Trendelenburg Positions During Robotic Prostatectomy
Evaluation of Cerebral Perfusion in Supine and Steep Trendelenburg Positions During Robotic Prostatectomy Robotic endoscopic radical prostatectomy requires pneumoperitoneum and the steep Trendelenburg position to ensure optimal…
- Trial name
- NCT07317258
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Hanife Kabukcu
Lung Perfusion, Respiratory Physiology
Effects of Inspiratory vs Expiratory Breath-Hold on Lung Perfusion Measured by EIT Saline Indicator Method: A Self-Controlled Study
This study aims to compare lung perfusion distribution between inspiratory breath-hold and expiratory breath-hold phases using the saline indicator method combined with electrical impedance tomography (EIT).
- Conditions
- Lung Perfusion, Respiratory Physiology, Electrical Impedance Tomography, Ventilation-Perfusion Mismatch
- Trial name
- NCT07303972
- Testing
- Electrical Impedance Tomography Saline Indicator Procedure, Electrical Impedance Tomography Device
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Cardiac Anaesthesia, Cardiac Surgery
Anesthesia, Perfusion, and Surgical practicEs in Cardiac Surgery
Perioperative management in cardiac surgery, particularly the use of anesthesia, cardiopulmonary bypass (CPB), and surgical techniques, remains highly variable across institutions.
- Conditions
- Cardiac Anaesthesia, Cardiac Surgery, Perfusion, Anesthesia
- Trial name
- APECx (NCT07255924)
- Where
- Netherlands
- Volunteers
- 15,000 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Anastomosis, Perfusion
PPG vs. ICG in Gastrointestinal Resections
This randomized controlled trial compares a novel optical technique against the standard of care for assessing tissue perfusion in gastrointestinal surgery.
- Conditions
- Anastomosis, Perfusion, Postoperative Complications, Gastrointestinal Neoplasms
- Trial name
- NCT06222645
- Testing
- ICG fluorescence imaging technology, Imaging Photoplethysmography System
- Where
- 3 sites in China, Russia
- Volunteers
- 200 people
- Sponsor
- Saint Petersburg State University, Russia
End Diastolic Velocity, Perfusion Index
Perfusion Index and End Diastolic Velocity Ratios as Predictors of Supraclavicular Block Success in Vascular Access Surgery
This is a prospective observational study investigating the correlation between Perfusion Index (PI) ratio and End Diastolic Velocity (EDV) ratio as early predictors of successful supraclavicular brachial plexus block (SCBPB) in…
- Trial name
- NCT07197281
- Volunteers
- 50 people
- Sponsor
- Assiut University
Hemodynamic, Perfusion Index
Intraoperative Perfusion Index and Mortality
This study will use routinely collected perioperative data to examine the relationship between intraoperative perfusion index and postoperative outcomes, including mortality.
- Conditions
- Hemodynamic, Perfusion Index, Intraoperative Hemodyamic Monitoring
- Trial name
- NCT07164339
- Where
- Denmark
- Volunteers
- 425,000 people
- Sponsor
- Copenhagen University Hospital, Hvidovre
Acute Respiratory Distress Syndrome, Electrical Impedance Tomography
Evaluate the Effect of Prone Ventilation on Ventilated-blood Flow Ratio in Patients With ARDS by EIT
Patients with ARDS often suffer a gravity-dependent alveolar collapse, resulting in a reduction of tidal volume, residual alveolar excessive distension, and ventilator-related lung injury(VILI) induced by unreasonable ventilator…
- Conditions
- Acute Respiratory Distress Syndrome, Electrical Impedance Tomography, Prone Position Ventilation, Ventilation Perfusion Mismatch
- Trial name
- NCT06181539
- Where
- China
- Volunteers
- 94 people
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Peripheral Perfusion
DiCART TM Device for Capillary Refill Time Measurement
To estimate peripheral perfusion in shock state, international guidelines recommend the use of capillary refill time, and practitioners currently evaluates it at bedside.
- Trial name
- DICART-VS (NCT04538612)
- Testing
- measure capillary refill time
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Lung Perfusion
LUng voluMe reductIoN by DuAl ENergy CT Evaluation (LUMINANCE) Study
The purpose of this research study is to see if a special CT scan (dual-energy CT) provides useful information in patients undergoing bronchsoscopic lung volume reduction (valve placement for emphysema).
- Trial name
- NCT05816239
- Testing
- Dual Energy CT
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Sameer Avasarala