Clinical trials: End Tidal CO2
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
Hypercapnia, Exercise
Hypercapnia: Cognitive Effects and Monitoring
The investigators will simulate the conditions of a working, helmeted diver by using exercising, "head out" immersed subjects to test the following hypotheses: 1.
- Conditions
- Hypercapnia, Exercise, Nitrogen Narcosis, Diving
- Trial name
- NCT01782625
- Testing
- NO exercise at depth, exercise at depth
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Duke University
Brachial Plexus Injury
Changes in Optic Nerve Sheath Diameter in Response to Various Levels of End Tidal Carbon Dioxide Levels
Intracranial Pressure ( ICP ) monitoring is an essential component of traumatic brain injured ( TBI ) patients management. The clinical signs of raised ICP may be unreliable and may reflect relatively late cerebral…
- Trial name
- NCT02711774
- Testing
- ultrasonography
- Where
- India
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- All India Institute of Medical Sciences
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
Pulmonary Ventilation
Comparison of Ventilation Tubes Among Anesthetized Pediatrics
To discover whether different types of ventilation breathing tube influence ventilation effect of children/ neonate, the investigators analysis tidal volume, end tidal carbon dioxide, compliance among children and neonate under…
- Trial name
- NCT03822689
- Testing
- Ventilator breathing tube F2220, Ventilator breathing tube F2216, Ventilator breathing tube F1520
- Where
- Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mackay Memorial Hospital
Hypercapnia
End Tidal CO2 and Masks: Is There a Correlation?
In light of the ongoing COVID-19 pandemic, wearing a mask has become a universal standard as an attempt to reduce the spread of COVID-19. As of 2020, more than half of all U.S.
- Trial name
- NCT06437301
- Testing
- Baseline measure of ETCO2 without mask, Baseline ETCO2 with mask, ETCO2 after 200 meter walk with mask
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- CHRISTUS Health
Non Cardiac Surgery
End-tidal Carbon Dioxide as a Non-invasive Predictor for Changes in Cardiac Output in Non-cardiac Surgery
Cardiac output (CO) is challenging to measure at the bedside. The traditional gold standard for measuring CO requires the insertion of a pulmonary artery catheter which is invasive, associated with a risk for serious…
- Trial name
- NCT06962748
- Testing
- cerebral blood flow measurment, TTE CO measurment, ETCO2
- Where
- Egypt
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
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
Gastric Feeding Tube, Blood Gas Monitoring, Transcutaneous
End-Tidal CO2 (etCO2) and pH in the Correct Naso-gastric Tube Placement
The laying of a naso-gastric tube is an extremely common event in intensive medicine; although standard naso-gastric tube laying is performed at the patient's bedside, this procedure is not without risk.
- Conditions
- Gastric Feeding Tube, Blood Gas Monitoring, Transcutaneous, pH
- Trial name
- NGT (NCT03934515)
- Testing
- etCO2, pH
- Where
- Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Clinica Luganese Moncucco
Anesthesia, Hypercapnia
End Tidal Carbon Dioxide Concentration and Depth of Anesthesia in Children
Carbon Dioxide (CO2) is a by-product of metabolism and is removed from the body when we breathe out. High levels of CO2 can affect the nervous system and cause us to be sleepy or sedated.
- Conditions
- Anesthesia, Hypercapnia, Hypocapnia
- Trial name
- NCT06303518
- Testing
- High normal ETCO2: ETCO2 50 mmHg (+/- 3mmHg), Normal ETCO2: ETCO2 40 mmHg (+/- 3mmHg), Low Normal ETCO2: ETCO2 30 mmHg (+/- 3mmHg)
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Intraoperative Hypotension
The Use of Integrated Pulmonary Index During Cesarean Section Under Spinal Anesthesia
Postspinal hypotension (PSH) is a common side effect with an incidence of 15.3 to 33% that can result in organ hypoperfusion and ischemic events.
- Trial name
- NCT05237856
- Testing
- Capnometry Monitorization
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Selcuk 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
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.
Diabetes Mellitus
EtCO2 for Monitoring and Predicting Severity of DKA in Pediatric Emergency, Doha, Qatar.
Metabolic acidosis is one of the important and life-threatening pathophysiological changes in DKA and its monitoring is essential.
- Trial name
- NCT04121572
- Testing
- Nasal cannula capnography
- Where
- Qatar
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Hamad Medical Corporation
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
Child, Only, Infant, Newborn, Diseases
Capnography Monitoring in Ventilated Children
End-tidal CO2 measurements in children will be assessed for their accuracy with arterial CO2 measurements.
- Conditions
- Child, Only, Infant, Newborn, Diseases, Critical Illness, ARDS, Human
- Trial name
- NCT04354220
- Testing
- capnography monitoring, arterial blood gas
- Where
- Switzerland
- Volunteers
- 178 people, healthy volunteers welcome
- Sponsor
- Vincenzo Cannizzaro
Capnography
The Effect of Oxygen Flow Rate on End-tidal CO2 During Deep Sedation
This study aims to detect the effect of different O2 flow rates on end tidal carbon dioxide level in patients scheduled for minor gynaecological procedures under deep sedation using laryngeal mask airway.
- Trial name
- NCT06824610
- Testing
- capnography
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Minia University
Anesthesia, General, Infant
Impact of CO2 on Cerebral Blood Flow in Infants Less Than 6 Months During General Anaesthesia
The study aims at assessing cerebral blood flow variations following expired CO2 variations in anaesthetized infants less than 6 months, during a routine general anesthesia.
- Trial name
- NCT03567031
- Testing
- EtCO2 modification
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- St. Justine's Hospital
Preterm Birth
Use of CO2 Detectors to Help Provide Effective Breaths During Resuscitation of Preterm Newborns
Effective ventilation is the single most vital intervention to improve outcome of resuscitation in the neonatal population. Assessments of effective ventilations are based on clinical parameters, but may be difficult due to…
- Trial name
- NCT04287907
- Testing
- Monitor Group
- Where
- Singapore
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- KK Women's and Children's Hospital