Clinical trials: End-Tidal Carbon Dioxide
Brain Death
ORI and ETCO₂ Relationship With Arterial Blood Gas During Apnea Test
This observational study aims to evaluate the relationship between the Oxygen Reserve Index (ORI) and End-Tidal Carbon Dioxide (ETCO2) values with arterial blood gas parameters in patients undergoing the apnea test for the…
- Trial name
- NCT06983990
- Testing
- No intervention (observational monitoring only)
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Gastro Intestinal Bleeding
The Value of End-tidal Capnography in Gastrointestinal Bleeding
Gastrointestinal bleeding is a condition that frequently presents to emergency departments and can be fatal if diagnosis and treatment are delayed.
- Trial name
- NCT06345456
- Testing
- End-tidal capnography
- Where
- Turkey (Türkiye)
- Volunteers
- 103 people
- Sponsor
- Izmir Katip Celebi University
Out-Of-Hospital Cardiac Arrest
EXecution of Trans-Esophagus Echo Cardiogram in CardioPulmonary Resuscitation for Patients With Out-of-hospital Cardiac Arrest
The purpose of this single center, randomized clinical control trial is to determine that changing chest compression site during cardiopulmonary resuscitation according to the examination of the TEE could increase the level of…
- Trial name
- EXECT_CPR (NCT05907460)
- Testing
- transesophageal echocardiography examination during cardiopulmonary resuscitation
- Where
- Taiwan
- Volunteers
- 132 people
- Sponsor
- Far Eastern Memorial Hospital
Hypoxemia
Real-Time End-Tidal Carbon Dioxide Monitoring for Early Warning of Hypoxemia in Painless Gastrointestinal Endoscopy
Using Capnography for Safer Sedation in Painless Gastrointestinal Endoscopy Why is this study important? For procedures like painless gastroscopy and colonoscopy, patients receive sedation to ensure comfort.
- Trial name
- NCT07489157
- Testing
- a microstream capnography nasal end-tidal carbon dioxide sampling tube
- Where
- China
- Volunteers
- 460 people
- Sponsor
- Chinese PLA General Hospital
Shoulder Surgery
Modeling the Effect of EtCO2 on Cerebral Oxygenation
The aim of this study was to investigate the relationship between the end-tidal carbon dioxide (EtCO2) and cerebral oxygen saturation (rSO2) and to identify the covariates in the pharmacodynamic relationship between EtCO2 and…
- Trial name
- NCT02284763
- Testing
- EtCO2
- Where
- South Korea
- Volunteers
- 55 people
- Sponsor
- Severance Hospital
Mechanical Ventilation Complication, Intensive Care Unit
INTELLiVENT-ASV Using Mainstream Versus Sidestream End-Tidal CO2 Monitoring
Background INTELLiVENT-ASV, an automated closed-loop mode of mechanical ventilation, available on Hamilton ventilators for clinical use, uses mainstream end-tidal CO2 (etCO2) monitoring to adjust minute ventilation.
- Conditions
- Mechanical Ventilation Complication, Intensive Care Unit, Postoperative Care
- Trial name
- INTELLiSTREAM (NCT04599491)
- Testing
- Sidestream capnography using the 'Respironics LoFlo Sidestream CO2 Module', Mainstream capnography using the 'Respironics Capnostat 5 Mainstream CO2 sensor'
- Where
- Netherlands
- Volunteers
- 72 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
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
Video-Assisted Thoracoscopic Surgery, One-Lung Ventilation
Trending Ability of End-Tidal Capnography to Reflect Arterial Carbon Dioxide Changes in One-Lung Ventilation
In this study, we want to find out if measuring carbon dioxide from a patient's breath (end-tidal CO₂ or ETCO₂) can reliably reflect changes in blood carbon dioxide levels (arterial CO₂ or PaCO₂) during lung surgery.
- Conditions
- Video-Assisted Thoracoscopic Surgery, One-Lung Ventilation, Capnography, Blood Gas Analysis
- Trial name
- NCT06835894
- Volunteers
- 115 people
- Sponsor
- Koç University
Cataract Extraction, Anesthesia, Local
Cerebral Oxymeter and End Tidal Carbondioxide Values Under Surgical Drapes With and Without Past COVID-19 Infection
Today, phacoemulsification has become the most commonly applied method in the treatment of cataract, which is considered as a public health problem.
- Conditions
- Cataract Extraction, Anesthesia, Local, Optic Nerve Sheath
- Trial name
- NCT05571683
- Testing
- oxygen support
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Duzce University
Endoscopic Ultrasonography, Sedation
End-Tidal Carbon Dioxide Monitoring Device for Sedation During Endoscopic Ultrasonography
To meet the needs of both operators and patients, moderate and deep sedation has been widely used in digestive endoscopy, which is invasive and painful. With its pleasant effects, sedation has complications nevertheless.
- Conditions
- Endoscopic Ultrasonography, Sedation, Monitoring
- Trial name
- NCT04549623
- Testing
- Novel end-tidal CO2 monitoring device, SpO2 and respiratory motion monitoring
- Where
- China
- Volunteers
- 480 people
- Sponsor
- Changhai Hospital
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
Asthma (Diagnosis), COPD (Chronic Obstructive Pulmonary Disease)
A Study to Understand the Accuracy of a New Breathing Device Compared to Standard Testing for Asthma and COPD
The diagnosis of either asthma or chronic obstructive pulmonary disease (COPD) is currently based on a combination of symptoms, different lung tests and sometimes a 'trial by treatment'.
- Trial name
- STARDUST (NCT07253883)
- Testing
- Partial pressure of CO2 during tidal breathing, FENO, Spirometry
- Where
- United Kingdom
- Volunteers
- 1,200 people
- Sponsor
- Liverpool Heart and Chest Hospital NHS Foundation Trust
Anesthesia, Carbon Dioxide
EtCO2 Level to Control Intraoperative Bleeding and Improve the Quality of Surgical Field Vision in Septorhinoplasty
It is unknown whether different end-tidal carbon dioxide pressure levels have a clinically significant effect on bleeding and surgical field quality in septorhinoplasty, especially during controlled hypotension.
- Conditions
- Anesthesia, Carbon Dioxide, Surgical Blood Loss
- Trial name
- EtCO2 (NCT05497375)
- Testing
- The amount of intraoperative bleeding, Quality of the intraoperative surgical field, Surgeon Satisfaction
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Bezmialem Vakif University
Death, Sudden, Cardiac, Perfusion Index
Is the Perfusion Index an Accurate Predictor of Return of Spontaneus Circulation in Out-of-hospital Cardiac Arrest
The purpose of this pilot feasibility study is to evaluate the ability of the Perfusion Index to predict the return to spontaneous circulation of the out-of-hospital cardiac arrest patient during cardiopulmonary resuscitation.
- Conditions
- Death, Sudden, Cardiac, Perfusion Index, Return of Spontaneous Circulation
- Trial name
- NCT05383885
- Where
- Belgium
- Volunteers
- 90 people
- Sponsor
- Centre Hospitalier Universitaire Saint Pierre
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
Respiratory Disease
Assessment of End-tidal Carbon Dioxide Levels in Respiratory Disease
The investigators aim to evaluate the correlation between PetCO2, PaCO2, and PtcCO2 in patients with respiratory diseases. The investigators also evaluate the correlation between PetCO2, PaCO2, and PtcCO2 changes over time.
- Trial name
- NCT05188976
- Where
- Japan
- Volunteers
- 40 people
- Sponsor
- National Hospital Organization Minami Kyoto Hospital
Critical Care, Intensive Care, Critical Illness
Validation of the Turkish RDOS Using End-Tidal Carbon Dioxide
Dyspnea is a complex and distressing symptom frequently observed in critically ill patients and is associated with increased morbidity, mortality, and prolonged intensive care unit (ICU) stay.
- Trial name
- NCT07383389
- Volunteers
- 64 people
- Sponsor
- Istinye University
Intraoperative Ventilation
Arterial to End-Tidal Carbon Dioxide Difference During Pediatric Laparoscopic Surgeries
Studying the arterial to end-tidal carbon dioxide difference in children undergoing laparoscopic surgeries under different intra-abdominal pressures is of extreme importance.
- Trial name
- PaCO2-EtCO2 (NCT03361657)
- Where
- Egypt
- Volunteers
- 29 people
- Sponsor
- Assiut 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
Preload Responsiveness, Fluid Responsiveness
Study of End Tidal Carbon Dioxide (EtCO2) Variation After an End- Expiratory Occlusion Test as a Predictive Criteria of Fluid Responsiveness in Mechanically Ventilated Patients
Hypovolemia is one of major factor of haemodynamic instability. Fluid administration is not totally riskless. Indeed, it can create or inflate pulmonary oedema, alter gaz exchanges and increase post operative respiratory…
- Trial name
- CapnoPause (NCT04889807)
- Testing
- measure of EtCO2 variation
- Where
- France
- Volunteers
- 41 people
- Sponsor
- CHU de Reims