ArticleUpsala journal of medical sciences2009
A recruitment breath manoeuvre directly after endotracheal suction improves lung function: an experimental study in pigs.
Article in Upsala journal of medical sciences, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07358039 (Impact of a Recruitment Maneuver After Closed Endotracheal Suctioning on End-expiratory Lung Volume in Mechanically Ventilated ICU Patients Assessed by Electrical Impedance Tomography), which is not on this map. Not yet cited in PubMed.
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Impact of a Recruitment Maneuver After Closed Endotracheal Suctioning on End-expiratory Lung Volume in Mechanically Ventilated ICU Patients Assessed by Electrical Impedance Tomography
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0 citing papers in PubMed, 5 citations in OpenAlex.
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4 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundAtelectasis occurs after a well performed endotracheal suction. Clinical studies have shown that recruitment manoeuvres added after endotracheal suction during mechanical ventilation restore lung function. Repetitive lung over-distension is, however, harmful for the lung, and the effects of adding a larger breath, recruitment breath, directly after repeated endotracheal suction were therefore investigated.
methodsTwelve healthy anaesthetized pigs were randomized into two groups: one without and one with a recruitment breath manoeuvre (RBM), i.e. a breath 15 cmH(2)O above inspiratory pressure for 10 s during pressure-controlled ventilation. The pigs were suctioned every hour for 4 hours with an open suction system.
resultsAt the end of the study there was a statistically significant difference between the group given RBM and that without with respect to PaCO(2), tidal volume (V(T)), and compliance (Crs). Without RBM, the PaCO(2) increased from 4.6+/-0.4 to 6.1+/-1.5 kPa, V(T) decreased from 345+/-39 to 247+/-71 mL, and Crs decreased from 28+/-6 to 18+/-5 mL/cmH(2)O. There was no change in PaCO(2) or Crs when a RBM was given. Morphological analysis revealed no differences in aeration of apical and central lung parenchyma. In the basal lung parenchyma there were, however, greater areas with normal lung parenchyma and less atelectasis after RBM.
conclusionsAtelectasis created by endotracheal suction can be opened by inflating the lung for a short duration with low pressure, without over-distension, immediately after suction.
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