Validity of a disposable end-tidal carbon dioxide detector in verifying endotracheal tube position in piglets

1991 ◽  
Vol 19 (4) ◽  
pp. 566-568 ◽  
Author(s):  
MANANDA S. BHENDE ◽  
ANN E. THOMPSON ◽  
DONNA F. HOWLAND
Keyword(s):  
Carbon Dioxide ◽  
Endotracheal Tube ◽  
End Tidal Carbon Dioxide ◽  
Tube Position ◽  
End Tidal

Carbon Monoxide and Nonquantitative Carbon Dioxide Detection

1996 ◽  
Vol 11 (4) ◽  
pp. 276-279 ◽  
Author(s):  
Georg Petroianu ◽  
Wolfgang Maleck ◽  
Wolfgang Bergler ◽  
Roderich Ruefer
Keyword(s):  
Carbon Dioxide ◽  
Carbon Monoxide ◽  
Endotracheal Tube ◽  
Reliable Method ◽  
Hospital Setting ◽  
Infrared Spectrometry ◽  
End Tidal Carbon Dioxide ◽  
Tube Position ◽  
Carbon Dioxide Detection ◽  
End Tidal

AbstractIntroduction:The capnometric demonstration of end-tidal carbon dioxide (CO2) is a reliable method of differentiating between a correct endotracheal tube position and an accidental misplacement of the tube into the esophagus. Recently, several CO2 detectors have been introduced for monitoring end-tidal CO2 in the “out-of-hospital” setting, where quantitative capnometry with capnography is not yet available.Hypothesis:These devices are not influenced by carbon monoxide (CO) present in lethal concentration.Methods:A heated (37°C) 2.3 L reservoir bag filled one-third full with water (representing the stomach in esophageal misintubation) was machine ventilated (tidal volume: 450 ml; frequency: 16/min) with the following mixtures for three minutes each: 1) 95% O2, 5% CO; 2) 45% O2 5% CO, 50% N2O; and 3) 44% O2 5% CO, 50% N2O, 1% halothane. The presence of end-tidal CO2 was monitored with each of the following devices: 1) MiniCAP™ III CO2 Detector; 2) StatCAP™ CO2 Detector; 3) EasyCAP™ CO2 Detector; PediCAP™ CO2 Detector; and 5) Colibri™ CO2 Detector.Results:In none of the cases was the presence of CO2 signaled by the detector.Conclusion:The presence of 5% CO does not interfere with infrared spectrometry detection (MiniCAP™ and StatCAP™) or chemical detection (EasyCAP™, PediCAP™, and Colibri™) of CO2. The devices can be used safely in patients with CO poisoning for monitoring of endotracheal tube position.

scholarly journals Laryngeal mask airway versus endotracheal tube for airway management during laparoscopic percutaneous extraperitoneal closure for inguinal hernia in pediatric day surgery: a retrospective analysis

2021 ◽  
Author(s):  
Tamaki Iwade ◽  
Koichi Ohno
Keyword(s):  
Carbon Dioxide ◽  
Inguinal Hernia ◽  
Laryngeal Mask Airway ◽  
Airway Management ◽  
Endotracheal Tube ◽  
Bispectral Index ◽  
Laryngeal Mask ◽  
Group I ◽  
End Tidal Carbon Dioxide ◽  
End Tidal

Abstract BackgroundAlthough endotracheal tube is preferred for airway management during laparoscopic percutaneous extraperitoneal closure for inguinal hernias, laryngeal mask airway may also be used. However, few studies have reported the usefulness of laryngeal mask airway during laparoscopic percutaneous extraperitoneal closure. Our study aims to report the advantages of laryngeal mask airway versus endotracheal tube during laparoscopic percutaneous extraperitoneal closure for inguinal hernia in pediatric day surgery.MethodsThe records of 56 patients (Group I, endotracheal tube; Group II, laryngeal mask airway) treated for inguinal hernia using laparoscopic percutaneous extraperitoneal closure between November 2018 and December 2019 were retrospectively reviewed. The duration of anesthesia; changes in hemodynamics (heart rate and systolic/diastolic blood pressure), end-tidal carbon dioxide, and bispectral index; and postoperative complications were analyzed.ResultsGroups I and II had 39 and 17 patients, respectively. The duration of anesthesia and surgery and changes in hemodynamics and bispectral index were similar between the two groups. Induction and recovery times were significantly shorter and changes in end-tidal carbon dioxide were more significant in Group II (p < 0.05). The incidence of sore throat and nausea was higher in Group I (p < 0.05).ConclusionsLaryngeal mask airway was equivalent to endotracheal tube in terms of performance during laparoscopic percutaneous extraperitoneal closure, although induction and recovery were achieved sooner in laryngeal mask airway, with a lower incidence of sore throat and nausea.Trial RegistrationNot applicable

scholarly journals The Use of Catheter Mount Will Result in More Reliable Carbon Dioxide Monitoring under Fluid Exposing Conditions

2019 ◽  
Vol 2019 ◽  
pp. 1-7
Author(s):  
Yongil Cho ◽  
Wonhee Kim ◽  
Tae Ho Lim ◽  
Hyuk Joong Choi ◽  
Jaehoon Oh ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Crossover Study ◽  
Endotracheal Tube ◽  
Correlation Coefficient ◽  
Critically Ill ◽  
Critically Ill Patients ◽  
Open Label ◽  
End Tidal Carbon Dioxide ◽  
Carbon Dioxide Monitoring ◽  
End Tidal

Introduction. Capnometer can be readily malfunctioned by fluid exposure during treatment of critically ill patients. This study aimed to determine whether placing capnometer distant from the endotracheal tube by connecting direct connect catheter mount (DCCM) is effective in yielding reliable end-tidal carbon dioxide (ETCO2) by reducing capnometer malfunctioning caused by water exposure. Methods. In 25 healthy adults, a prospective, open label, crossover study was conducted to examine the effect of DCCM in mainstream and microstream capnometers under water exposing conditions. The primary endpoint was the comparison of ETCO2 between proximal DCCM (pDCCM) and distal DCCM (dDCCM). Results. For mainstream capnometers, mean ETCO2 was significantly (p < 0.001) higher in dDCCM compared to pDCCM under water exposing conditions (29.5 vs. 19.0 with 5 ml; 33.8 vs. 21.2 with 10 ml; mmHg). Likewise, for microstream capnometers, ETCO2 was greatly higher (p < 0.001) in dDCCM compared to pDCCM (30.5 vs. 13.9 with 5 ml; 29.9 vs.11.4 with 10 mL; mmHg). ETCO2 measured by dDCCM was reliable in microstream settings, whereas it was unreliable in mainstream (correlation coefficient 0.88 vs. 0.27). Conclusions. Application of DCCM onto the capnometer setting seems to be effective in reducing capnometer malfunctioning under fluid exposing conditions, which is obvious in microstream capnometer by producing more reliable ETCO2.

scholarly journals Endotracheal Tube with End-tidal Carbon Dioxide Port

2008 ◽  
Vol 108 (2) ◽  
pp. 337-338
Author(s):  
Patrick J. McNamara ◽  
Dana Al-Nabhani ◽  
Michael Finelli
Keyword(s):  
Carbon Dioxide ◽  
Endotracheal Tube ◽  
End Tidal Carbon Dioxide ◽  
End Tidal

scholarly journals Detection of exhaled carbon dioxide following intubation during resuscitation at delivery

2018 ◽  
Vol 104 (2) ◽  
pp. F187-F191 ◽  
Author(s):  
Katie A Hunt ◽  
Yosuke Yamada ◽  
Vadivelam Murthy ◽  
Prashanth Srihari Bhat ◽  
Morag Campbell ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Median Time ◽  
Gestational Age ◽  
Respiratory Function ◽  
Successful Intubation ◽  
Apgar Scores ◽  
Clinical Indicators ◽  
End Tidal Carbon Dioxide ◽  
Tube Position ◽  
End Tidal

ObjectivesEnd tidal carbon dioxide (ETCO2) monitoring can facilitate identification of successful intubation. The aims of this study were to determine the time to detect ETCO2 following intubation during resuscitation of infants born prematurely and whether it differed according to maturity at birth or the Apgar scores (as a measure of the infant’s condition after birth).DesignAnalysis of recordings of respiratory function monitoring.SettingTwo tertiary perinatal centres.PatientsSixty-four infants, with median gestational age of 27 (range 23–34)weeks.InterventionsRespiratory function monitoring during resuscitation in the delivery suite.Main outcome measuresThe time following intubation for ETCO2 levels to be initially detected and to reach 4 mm Hg and 15 mm Hg.ResultsThe median time for initial detection of ETCO2 following intubation was 3.7 (range 0–44) s, which was significantly shorter than the median time for ETCO2 to reach 4 mm Hg (5.3 (range 0–727) s) and to reach 15 mm Hg (8.1 (range 0–827) s) (both P<0.001). There were significant correlations between the time for ETCO2 to reach 4 mm Hg (r=−0.44, P>0.001) and 15 mm Hg (r=−0.48, P<0.001) and gestational age but not with the Apgar scores.ConclusionsThe time for ETCO2 to be detected following intubation in the delivery suite is variable emphasising the importance of using clinical indicators to assess correct endotracheal tube position in addition to ETCO2 monitoring. Capnography is likely to detect ETCO2 faster than colorimetric devices.

Sign in / Sign up

Export Citation Format

Share Document