End-tidal carbon dioxide monitoring in very low birth weight infants: Correlation and agreement with arterial carbon dioxide

2011 ◽  
Vol 47 (4) ◽  
pp. 367-372 ◽  
Author(s):  
Daniele Trevisanuto ◽  
Stephanie Giuliotto ◽  
Francesco Cavallin ◽  
Nicoletta Doglioni ◽  
Silvia Toniazzo ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Birth Weight ◽  
Low Birth Weight ◽  
Very Low Birth Weight ◽  
Low Birth Weight Infants ◽  
Arterial Carbon Dioxide ◽  
End Tidal Carbon Dioxide ◽  
Carbon Dioxide Monitoring ◽  
End Tidal

Comparing arterial and end-tidal carbon dioxide values in hyperventilated neurosurgical patients

1995 ◽  
Vol 4 (2) ◽  
pp. 116-121 ◽  
Author(s):  
MA Christensen ◽  
J Bloom ◽  
KR Sutton
Keyword(s):  
Carbon Dioxide ◽  
Carbon Dioxide Tension ◽  
Blood Gas ◽  
Arterial Blood Gas ◽  
Arterial Carbon Dioxide ◽  
Arterial Blood ◽  
Neurosurgical Patients ◽  
End Tidal Carbon Dioxide ◽  
Carbon Dioxide Monitoring ◽  
End Tidal

BACKGROUND: Hyperventilation is a frequently used method for inducing hypercarbia in neurosurgical patients. This practice requires careful carbon dioxide monitoring that might be replaced by a less expensive and less invasive alternative to arterial blood gas monitoring. OBJECTIVE: To determine the accuracy of end-tidal carbon dioxide monitoring in hyperventilated neurosurgical patients. METHODS: Nineteen adult patients requiring hyperventilation for the reduction of intracranial pressure following head injury or neurosurgery were enrolled from the surgical intensive care unit of a level I trauma center. A correlation design was used to compare arterial carbon dioxide tensions and end-tidal carbon dioxide measurements during specific periods; secondary analysis with bias and precision estimates was performed. Also, changes in arterial carbon dioxide tensions were compared with simultaneous changes in end-tidal carbon dioxide values. RESULTS: End-tidal carbon dioxide values showed a moderately acceptable correlation with arterial blood gas measurements. However, changes in end-tidal carbon dioxide values failed to correlate with simultaneous changes in arterial carbon dioxide tension measures. Bias and precision measures confirmed these findings. CONCLUSION: In this patient sample, changes in end-tidal carbon dioxide values did not accurately reflect changes in arterial carbon dioxide tension levels in the intensive care setting. Further technological advances in noninvasive carbon dioxide monitoring may lead to a significant cost savings over traditional arterial blood gas analysis.

Neonatal endotracheal flowmeter for tidal volume, airway pressure, and end-tidal gas

1985 ◽  
Vol 58 (3) ◽  
pp. 1023-1025 ◽  
Author(s):  
J. P. Brady ◽  
D. D. Deming ◽  
E. M. McCann
Keyword(s):  
Mechanical Ventilation ◽  
Birth Weight ◽  
Low Birth Weight ◽  
Tidal Volume ◽  
Dead Space ◽  
Airway Pressure ◽  
Very Low Birth Weight ◽  
Inspiratory Time ◽  
Low Birth Weight Infants ◽  
End Tidal

We have designed a new endotracheal flowmeter to measure tidal volume, phasic and mean airway pressures, inspiratory time, and end-tidal PCO2 and PO2 in intubated infants. The flowmeter is light (11 g) and adds minimal dead space (1.0 ml) and resistance (2 cmH2O X 100 ml- X s) to the infant's airway. The volume signal (less than or equal to 10 ml) is linear to 7 Hz, and end-tidal gases can be measured at respiratory rates of 90 breaths/min. This flowmeter is particularly valuable for evaluation of rapid mechanical ventilation of very low birth weight infants.

scholarly journals End-tidal carbon dioxide measurement in preterm infants with low birth weight

PLoS ONE ◽  
2017 ◽  
Vol 12 (10) ◽  
pp. e0186408 ◽  
Author(s):  
Hsin-Ju Lin ◽  
Ching-Tzu Huang ◽  
Hsiu-Feng Hsiao ◽  
Ming-Chou Chiang ◽  
Mei-Jy Jeng
Keyword(s):  
Carbon Dioxide ◽  
Birth Weight ◽  
Low Birth Weight ◽  
Preterm Infants ◽  
Carbon Dioxide Measurement ◽  
End Tidal Carbon Dioxide ◽  
End Tidal
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