Articles: intubation.
-
Eur J Cardiothorac Surg · Jan 1993
Myocardial uptake and release of lactate after high dose neurolept endotracheal intubation in coronary surgery.
To evaluate the relationship between the hemodynamic and ECG variables used in routine surveillance of coronary surgery and myocardial lactate metabolism, 23 middle-aged, male, beta 1-blocked patients about to undergo coronary surgery were monitored before and after endotracheal intubation with high dose (30 micrograms/kg) fentanyl-midazolam anesthesia. The induction of anesthesia was followed by a mean arterial pressure decrease (from 98 +/- 4 to 76 +/- 3 mm Hg) and heart rate increase (from 53 +/- 3 to 66 +/- 2 beats/min). After intubation the hemodynamic variables were stable except for a further, transient increase in heart rate (to 69 +/- 2 beats/min). ⋯ Thus, a reduced uptake and even a release of lactate occurred irrespective of the ST-segment, heart rate, or systemic or pulmonary artery pressures. In conclusion, endotracheal intubation in patients with coronary disease was consistently (17/23 patients) followed by a reduced myocardial uptake of lactate, in spite of high dose neurolept anesthesia and beta 1-blockade. This metabolic event was not consistently related to hemodynamic changes.
-
Intensive care medicine · Jan 1993
Comparative StudyProspective evaluation of self-extubations in a medical intensive care unit.
To evaluate the incidence, associated factors and gravity of self-extubations. ⋯ Self-extubation is a frequent and serious complication of mechanical ventilation. Deliberate self-extubation, the most frequent type of incident could possibly be reduced by better sedation of agitated patients and accidental self-extubation by better training of the nursing staff.
-
Intensive care medicine · Jan 1993
Case ReportsA rare complication of the use of a finger cot to protect the cuff of a tracheal tube during nasotracheal intubation.
Some anesthetists in Switzerland and elsewhere use a finger cot to protect the cuff of the endotracheal tube during nasotracheal intubation. In the presented report the finger cut was lost during the procedure and the patient presented 3 months later with a lateral neck mass. The finger cot was found within that mass at exploration. Apart from the other potential risks of this manoeuvre, this severe complication should incite caution against the practice described above.
-
Ann Fr Anesth Reanim · Jan 1993
Randomized Controlled Trial Comparative Study Clinical Trial[Comparison of hemodynamic effects of the laryngeal mask and the orotracheal tube].
This prospective study was designed to compare the haemodynamic response to insertion of either a laryngeal mask or an orotracheal tube. Twenty patients scheduled for orthopaedic surgery were randomly assigned to two groups : laryngeal mask group (n = 10) and orotracheal tube group (n = 10). Patients were premedicated with flunitrazepam (1 mg i.m.) and anaesthesia was induced with propofol (bolus of 2.5 mg.kg-1, followed by a continuous infusion of 10 mg.kg-1.h-1) and vecuronium (0.1 mg.kg-1). ⋯ In both groups, plasma catecholamine concentrations were not significantly modified after tube or laryngeal mask insertion. It is concluded that, under propofol anaesthesia, laryngeal mask insertion does not induce any significant haemodynamic response in ASA 1 patients. In the opposite, orotracheal intubation increases both heart rate and mean arterial pressure.