Articles: intubation.
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Ann Fr Anesth Reanim · Jan 1992
Review[Consequences and prevention methods of hemodynamic changes during laryngoscopy and intratracheal intubation].
In patients ranked ASA 1, laryngoscopy and intubation lead to an average increase in blood pressure of 40 to 50%, and a 20% increase in heart rate. These changes, which are greatest one minute after intubation, last for 5 to 10 min. They are due to sympathetic and adrenal stimulation, which may also result in some arrhythmias. ⋯ In clinical practice, prevention will first rely on a sufficient dose of narcotics. In some cases, nitroglycerin or beta blockers may be used so as to decrease the doses of narcotics, without altering their efficacy; however, the risk of hypotension should be constantly borne in mind. If preventing measures have not been taken, short-acting antihypertensive agents (beta blockers, calcium blockers) should be used in patients who develop major hypertension during laryngoscopy and intubation.
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Case Reports
Severe localised pulmonary interstitial emphysema--decompression by selective bronchial intubation.
We report three infants (26-28 weeks gestational age) in whom selective bronchial intubation was associated with successful decompression of severe localised pulmonary interstitial emphysema, uniquely in two cases this involved intubation of the left main bronchus. Pulmonary interstitial emphysema did not recur despite maintenance of selective intubation for only 48 hours or less in all three cases.