ArticleIntensive care medicine2010
Tracheal pressure and endotracheal tube obstruction can be detected by continuous cuff pressure monitoring: in vitro pilot study.
Article in Intensive care medicine, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- CO2 driven endotracheal tube cuff control in critically ill patients: A randomized controlled study.PloS one · 2017Trial
- Current state and influencing factors in airbag management among emergency department nurses: A multicenter study.World journal of clinical cases · 2024Article
- Detection of endobronchial intubation by monitoring the CO2 level above the endotracheal cuff.Journal of clinical monitoring and computing · 2015Article
- Continuous monitoring of endotracheal tube positioning: closer to the sangreal?Journal of clinical monitoring and computing · 2015Article
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Authors and funding
5 authors.
Funding
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Abstract
purposeTo evaluate whether the degree of endotracheal tube (ETT) obstruction can be predicted by changes of ETT cuff pressure (P (c)) as a function of peak inspiratory pressure.
methodsThe study was conducted in three phases: phase I evaluated the correlation between peak tracheal pressure (P (tr)) and P (c); phase II evaluated the relation between P (c) versus ventilator pressure (P (v)) and ETT obstruction (range of obstruction 0-58%). In phase III the analytical model developed in phase II was used to predict the degree of obstruction of five ETTs removed from intensive care unit (ICU) patients. All measurements were conducted on a tracheal-lung simulator.
resultsIn phases I and II it was found that P (c) correlates significantly with P (tr). The gradient (dP (c)/dP (v)) reflects the degree of ETT obstruction according to the formula: obstruction (%) = -553 x (dP (c)/dP (v))(2) + 672.5 x (dP (c)/dP (v)) - 142.81. Using this formula, the degree of obstruction of the ETTs could be predicted in ICU patients during controlled mechanical ventilation (r (2) = 0.98, p < 0.001).
conclusionsThis study proposes a new method to predict the degree of ETT obstruction based on differences between P (c) and P (v). The method was proved accurate on simulator, and further studies are needed on intubated patients.
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