Acta anaesthesiologica Scandinavica
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Acta Anaesthesiol Scand · Oct 2003
Randomized Controlled Trial Clinical TrialChanges in onset time of rocuronium in patients pretreated with ephedrine and esmolol--the role of cardiac output.
We investigated the hypothesis that manipulation of cardiac output (CO) with esmolol (Es) or ephedrine (E) affects the onset time of rocuronium. ⋯ Pretreatment with E or Es appears to affect the onset time of rocuronium by altering CO as measured with the NICO (Non-Invasive Cardiac Output) monitor (Novametrix Medical Systems Inc., Willingford, CO).
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Acta Anaesthesiol Scand · Oct 2003
Case ReportsDorsal flexion of head and neck for rigid oesophagoscopy--a caution for hidden foreign bodies dropped into the epipharynx.
A 32-month-old girl presented with a swallowed coin in the mid-oesophagus verified by chest radiography. Rigid oesophagoscopy was performed under general anaesthesia with muscle paralysis and tracheal intubation with dorsal flexion of the head and neck. The coin could be grasped using 'optical forceps'. ⋯ A further direct laryngoscopy, while placing the head in the neutral position, revealed the coin just dislodging from the epipharyngeal space in the hypopharynx, from where it was removed with a Magill forceps (Arnold Bott, Glattbrugg, Switzerland). Dorsal flexion of the head and neck during foreign body removal may allow entry of the foreign body or easily fragmented foreign bodies into the epipharyngeal cavity. Exploration is recommend using naso-pharyngeal suction and direct laryngoscopy with the head in the neutral position before tracheal extubation in order to avoid acute airway obstruction.
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Acta Anaesthesiol Scand · Oct 2003
Neither vasopressin nor amiodarone improve CPR outcome in an animal model of hypothermic cardiac arrest.
Aim of this experimental animal study was to investigate the influence of vasopressin and amiodarone on cardiopulmonary resuscitation (CPR) outcome in a pig model of hypothermic cardiac arrest. ⋯ Data from this experimental animal model suggest that vasopressin and amiodarone may not be beneficial for treatment of ventricular fibrillation associated with severe hypothermia when concomitant measures at core rewarming are not applied.
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Acta Anaesthesiol Scand · Oct 2003
Randomized Controlled Trial Comparative Study Clinical TrialSeizure duration with remifentanil/methohexital vs. methohexital alone in middle-aged patients undergoing electroconvulsive therapy.
The object of this study was to test whether substituting part of the methohexital dose with the short-acting opioid remifentanil would prolong seizure duration in middle-aged patients while providing a similar depth of anesthesia as with methohexital alone. This has been reported for the combined use of methohexital and remifentanil in elderly patients, but has not been investigated in middle-aged patients likely to require a higher total dose of methohexital for inducing anesthesia. ⋯ Substituting part of the methohexital dose with remifentanil is a useful anesthetic technique to prolong seizure duration in middle-aged patients requiring a 1.5-fold higher induction dose of methohexital than elderly patients, the only population studied to date for the combined use of methohexital and remifentanil in ECT.