Clinical trials: Carbon Dioxide
End-Tidal Carbon Dioxide Measurement, Capnography
Comparison of Capnography and Blood Gas PaCO₂ Measurements
Capnography provides continuous, non-invasive assessment of ventilation by measuring end-tidal carbon dioxide (EtCO₂). Different capnographic technologies, including mainstream, sidestream, and microstream capnography, may…
- Trial name
- CAPNO-PaCO2 (NCT07834411)
- Testing
- Mainstream Capnography, Sidestream Capnography, Microstream Capnography
- Where
- Turkey (Türkiye)
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey
Kyphoplasty, Prone Position
TCI Versus Manual TIVA for Sedation During Prone Kyphoplasty: Effects on Respiration, Recovery, and EEG
This single-center, prospective, observational study compares target-controlled infusion (TCI) versus manually administered total intravenous anesthesia (TIVA) for sedation in patients undergoing kyphoplasty in the prone…
- Conditions
- Kyphoplasty, Prone Position, Target Controlled Infusion of Propofol, End Tidal Carbon Dioxide
- Trial name
- NCT07745348
- Testing
- Target controlled infusion of propofol, non invasive ETCO2 monitoring
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Marmara University Pendik Training and Research Hospital
Hydration, Carbon-dioxide Laser
Effectiveness and Safety of a Hydrating Gel Containing Polyvinyl Pyrrolidine, Algin and Hyaluronic Acid Applied After and Without Fractional CO₂ Laser Therapy
The purpose of this interventional study is to evaluate the effectiveness and safety of a hydrating gel containing aqua, carrageenan, polyvinyl pyrrolidone, algin, gellan gum, and hyaluronic acid.
- Conditions
- Hydration, Carbon-dioxide Laser, Laser Therapy, Hydrogel
- Trial name
- NCT07639151
- Testing
- CO2 Fractional Laser, Hydrogel
- Where
- Indonesia
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Dr.dr.Irma Bernadette, SpKK (K)
Ventilation, Bariatric Surgery
Effects of Different Anesthesia Machine Modalities on Bariatric Surgery Patients: a Prospective Randomized Controlled Study
The goal of this clinical trial is to explore the clinical significance and value of the PRVC ventilation mode in Bariatric Surgery Patients.
- Conditions
- Ventilation, Bariatric Surgery, Intracranial Pressure, Carbon Dioxide
- Trial name
- NCT06547411
- Testing
- PC Ventilation mode, VC Ventilation mode, PRVC Ventilation mode
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Yu-Long Jia
Oxygen, pH
Comparison of the Effects of High-flow Nasal Cannula Oxygen and Jet Ventilation Techniques
Endoscopic microsurgical procedures of the larynx (direct examination-bx, microlaryngeal resection) require the anesthesiologist and surgeon to work in the same area throughout the procedure, and while ventilation is provided…
- Conditions
- Oxygen, pH, End-tidal Carbon Dioxide
- Trial name
- NCT05746949
- Testing
- oxygenization techniques
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Carbon Dioxide Partial Pressure Determination, Transcutaneous
TCOM Ring Evaluation
Subjects that are currently on a transcutaneous carbon dioxide monitor (TCOM) to monitor the carbon dioxide level in their blood will be placed on an additional TCOM using a non-adhesive sensor application ring instead of the…
- Trial name
- NCT05640973
- Testing
- Evaluation
- Volunteers
- healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Cicatrix, Carbon Dioxide Laser
Interventional Study to Evaluate the Appearance of Surgical Scars After Laser Therapy
This study evaluates the effect of a fractionated carbon dioxide laser on surgical scars of the face and neck over 12 months. Anyone with a surgical scar on the face and neck who has not had laser therapy may be eligible to…
- Trial name
- NCT02985151
- Testing
- Syneron-Candela CO2RE Laser
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- St. Louis University
Colonoscopy, Gastrointestinal Microbiome
Effect of Carbon Dioxide Insufflation and Appendix on the Restoration of Intestinal Microecology After Colonoscopy.
The goal of this observational study is to learn about Influencing factors of intestinal microecological changes before and after colonoscopy.
- Conditions
- Colonoscopy, Gastrointestinal Microbiome, Appendix, Carbon Dioxide Insufflation
- Trial name
- NCT05637021
- Testing
- Carbon dioxide insufflated during colonoscopy
- Where
- China
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Zhongshan Hospital Xiamen University
Carbon Dioxide
The Effect of Wearing Masks on End-tidal Carbon Dioxide and Pulse Oximetry
An Interventional Study is planned with the primary purpose of screening for changes in end-tidal carbon dioxide (ETCO2), inspired carbon dioxide (ICO2), and other vital signs that may develop after donning a disposable surgical…
- Trial name
- NCT05114993
- Testing
- wearing a disposable surgical mask
- Where
- United States
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Patrick Brooks
Ventilation, End-Tidal Carbon Dioxide
End-tidal Carbon Dioxide Monitoring in Low Tidal Volume Ventilation
In cases where there is no ventilation-perfusion problem, the end-tidal carbon dioxide (ETCO2) value is closely associated with partial arterial carbon dioxide pressure (PaCO2); therefore, the PaCO2 value can be estimated using…
- Trial name
- ETCO2 (NCT04281589)
- Testing
- if the ventilation parameter caused desaturation or hypercapnia we will change the parameter
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Bakirkoy Dr. Sadi Konuk Research and Training Hospital
Carbon Dioxide Insufflation, Anterograde Single Balloon Enteroscopy
Comparison Air Versus Carbon Dioxide Insufflation in Single Balloon Anterograde Enteroscopy
Observation study comparing patient symptoms of bloating, pain, and nausea between CO2 insufflation vs. O2 insufflation in anterograde balloon enteroscopy.
- Trial name
- NCT03811522
- Testing
- carbon dioxide insufflation, Air insufflation
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- North Eastern Ohio Gastroenterology and Endoscopy center
Inspired Oxygen (FIO2), End-tidal Oxygen (ETO2), End-tidal Carbon Dioxide (ETCO2) and Respiratory Rate (RR) Will be Measured Every 30 Seconds
Comparison of the Classic Face Mask Versus NuMask for Preoxygenation
Currently used face mask has certain disadvantages; such as, not providing a complete seal in certain patients, causing hand fatigue after holding the mask in place for more than a few minutes, causing claustrophobia in an…
- Trial name
- NCT01865851
- Testing
- Classic Face Mask and NuMask
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Nimmagadda, Usharani, M.D.
Carbon Dioxide, Endovascular Abdominal Aortic Aneurym Repair
Prospective, Non-Randomized Evaluation of Carbon Dioxide Gas as a Contrast Agent in Comparison With Iodinated Contrast in Endovascular Aneurysm Repair
Endovascular repair of infrarenal abdominal aortic aneurysms (AAA) requires a contrast agent to identify the vascular anatomy and placement of the stent graft.
- Conditions
- Carbon Dioxide, Endovascular Abdominal Aortic Aneurym Repair, Prospective, Angiogram
- Trial name
- NCT00520416
- Testing
- Carbon dioxide angiogram
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Southern California
Heated Humidified Carbon Dioxide in Gynaecological Laparoscopic Surgery
Standard Carbon Dioxide Gas Versus Heated Humidified Gas in Gynaecological Laparoscopy
To establish if heated humidified carbon dioxide gas improves pain scores as well as nausea and analgesic requirements in post operative patients compared to standard cold carbon dioxide.
- Trial name
- NCT02319902
- Testing
- Standard cold carbon dioxide gas, Heated humidified carbon dioxide gas
- Where
- United Kingdom
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Fevzi Shakir
Endothelial Dysfunction, FMD
Role of Oxygen for Vascular Dysfunction
Hypoxemia may contribute increased morbidity and mortality in chronic obstructive pulmonary disease (COPD) patients. We aim to characterize the role of acute and chronic hypoxemia for vascular function.
- Conditions
- Endothelial Dysfunction, FMD, IMT, Microcirculation
- Trial name
- NCT02127333
- Where
- Germany
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Klinik für Kardiologie, Pneumologie und Angiologie
Carbon Dioxide Insufflation
The Application of CO2 Insufflations in Routine Colonoscopy Examination for Duration in Toilet After Examination Compared With Air Insufflations
It has been reported that carbon dioxide (CO2) insufflation can reduce patient pain and abdominal discomfort during and after colonoscopy.
- Trial name
- NCT01807312
- Testing
- Endoscopic CO2 regulation unit and accessories
- Where
- Taiwan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Bispectral Index, Transcutaneous Carbon Dioxide
Compare the Side Effects and Difference Awake Level of Three TCI Propofol Formula in TVOR Patients
This study is to find the fewer side effects formula of anesthesia for TVOR patients, to compare the BIS level during emergence and to find the correlation between BIS and transcutaneous carbon dioxide concentration.
- Conditions
- Bispectral Index, Transcutaneous Carbon Dioxide, PONV, Blood Pressure
- Trial name
- NCT00760253
- Where
- Taiwan
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital