2000
DOI: 10.1055/s-2000-13008
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The Influence of Airway Pressure Changes on Intracranial Pressure (ICP) and the Blood Flow Velocity in the Middle Cerebral Artery (VMCA)

Abstract: Elevation of the venous outflow resistance and a transient increase in cardiac output have to be considered as mechanisms for transduction of transthoracic pressure changes to intracranial pressure variations. We conclude, that trends of changes in elastance can be derived from intermittent airway pressure variations. This can be useful in easy and on line dynamic monitoring of ICP in traumatic brain injury.

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Cited by 19 publications
(7 citation statements)
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“…RM leads to a decrease in rSO 2 and V-MCA, which may be related to intracranial pressure (ICP) and CPP. Changes in rSO 2 and V-MCA were associated with the changes in ICP and CPP [ 34 , 35 ]. The change in rSO 2 is negatively correlated with the change in ICP and positively correlated with the change in CPP [ 36 , 37 ].…”
Section: Discussionmentioning
confidence: 99%
“…RM leads to a decrease in rSO 2 and V-MCA, which may be related to intracranial pressure (ICP) and CPP. Changes in rSO 2 and V-MCA were associated with the changes in ICP and CPP [ 34 , 35 ]. The change in rSO 2 is negatively correlated with the change in ICP and positively correlated with the change in CPP [ 36 , 37 ].…”
Section: Discussionmentioning
confidence: 99%
“…Pneumothorax with its associated increases in peak airway pressures can indirectly increase the ICP, which will be associated with deleterious outcomes in patients undergoing neurosurgery. [10] The mechanisms of pneumothorax following tracheal intubation are high positive pressure during mechanical ventilation, and the mechanism is primarily the dissection of air along the perivascular sheath of the pulmonary artery presumably due to rupture of perivascular alveoli. [11] In a retrospective study of 19 patients treated for iatrogenic tracheobronchial lesions, 11 (58%) had a single lumen tube, 4 (21%) had a double lumen tube and 2 (10%) by tracheal cannula, the post-operative mortality was 42%, which was not dependent on the rupture but basically by the underlying disease requiring intubation.…”
Section: Discussionmentioning
confidence: 99%
“…Lung ultrasound or a CXR is an easy and quick on table method to diagnose pneumothorax. [10] It should also be stressed that in bougie-guided intubations, the bougie should be stabilised while the endotracheal tube is advanced to avoid tracheobronchial injury.…”
Section: Discussionmentioning
confidence: 99%
“…Additionally, in patients with traumatic brain injury, the application of positive end-expiratory pressure (PEEP) resulted in elevations of CVP, ICP and reductions of cerebral perfusion pressure, blood flow in the middle cerebral artery and cerebral desaturation [ 14 17 ]. The detrimental effects of PEEP were more pronounced in patients with normal respiratory system compliance, lower CVP, reduced intracranial compliance and low ICP, all of which favor the transduction of intrapulmonary to intravascular and intracranial pressure.…”
Section: Discussionmentioning
confidence: 99%