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https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2922911/
The effect on sampling duration was increased by greater tidal volume. Esmolol infusion decreased both pulse pressure variation and stroke volume variation as compared with baseline ( p < 0.05) at all tidal volume levels. However, dobutamine did not alter either pulse pressure variation or …Cited by: 106
https://journal.chestnet.org/article/S0012-3692(15)31065-5/fulltext
Similarly, withdrawal of ventilatory support in patients with limited cardiovascular reserve should be done slowly because the increased load on the heart can precipitate heart failure and pulmonary edema. 6 x 6 Lemaire, F, Teboul, JL, Cinotti, L et al. Acute left ventricular dysfunction during unsuccessful weaning from mechanical ventilation.Cited by: 324
https://www.ncbi.nlm.nih.gov/pubmed/9444609
Similarly, withdrawal of ventilatory support invariably increases intrathoracic blood volume and LV afterload and can be thought of as a type of cardiovascular stress test. Patients who pass this test easily can usually be successfully weaned from mechanical ventilatory support, whereas those who fail often are not ready to be weaned.Cited by: 9
https://journals.sagepub.com/doi/abs/10.1177/109980040100200302
Jan 01, 2001 · Although several investigators have attributed cardiovascular alterations during ventilator weaning to augmented sympathetic tone, there is limited investigation of changes in autonomic tone during ventilator weaning. Heart rate variability (HRV), the analysis of beat-to-beat changes in heart rate, is a noninvasive indicator of autonomic tone that might be useful in the identification of patients who are at risk for weaning difficulty due to underlying cardiac dysfunction.Cited by: 54
http://core.ac.uk/display/12210589
Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): http://d-scholarship.pitt.edu/... (external link) http ...Author: MR Pinsky
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