Acta anaesthesiologica Scandinavica
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Acta Anaesthesiol Scand · Jul 1998
Monitoring perioperative changes in distribution of pulmonary ventilation by functional electrical impedance tomography.
Electrical impedance tomography (EIT) is a noninvasive technique providing cross-sectional images of the thorax. We have tested an extended evaluation procedure, the functional EIT (f-EIT), to identify the local shifts of ventilation known to occur during the transition between spontaneous, controlled and assisted ventilation modes. ⋯ F-EIT determined the redistribution of lung ventilation during different modes of mechanical ventilation. We expect that f-EIT will become a useful noninvasive bedside monitoring technique for imaging regional ventilation in pulmonary diseased patients during mechanical ventilation.
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Acta Anaesthesiol Scand · Jul 1998
Randomized Controlled Trial Comparative Study Clinical TrialNausea and vomiting after dexamethasone versus droperidol following outpatient laparoscopy with a propofol-based general anesthetic.
The purpose of this randomized, double-blinded study was to compare the incidence and severity of postoperative nausea and vomiting (PONV) after dexamethasone versus droperidol following gynecologic laparoscopy, a group at high risk for developing PONV. ⋯ We conclude that PONV is similar with dexamethasone and droperidol, but dexamethasone may have a longer duration of action in patients undergoing gynecologic laparoscopy.
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Acta Anaesthesiol Scand · Jul 1998
Randomized Controlled Trial Clinical TrialPreoperative oral granisetron prevents postoperative nausea and vomiting.
Postoperative nausea and vomiting (PONV) is a commonly observed adverse effect of anaesthesia. This study was designed to evaluate the efficacy of granisetron administered orally for preventing PONV in female patients undergoing major gynaecological surgery. ⋯ Preoperative oral granisetron in a minimum dose of 2 mg is effective for preventing PONV after major gynaecological surgery.
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Acta Anaesthesiol Scand · Jul 1998
ReviewEpidural abscess complicating epidural anesthesia and analgesia. An analysis of the literature.
Epidural abscess is a serious complication of epidural block. Because of its low incidence, the risk factors and the symptoms and cause of epidural abscess related to epidural anesthesia and analgesia are not well known by anesthesiologists. ⋯ The index of suspicion among anesthesiologists, other physicians and nurses taking care of patients with epidural catheters must be increased for this complication; this should shorten the interval from symptoms to treatment and lower the incidence of neurological sequelae.
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Acta Anaesthesiol Scand · Jul 1998
Comparative StudyComparison of spontaneous frontal EMG, EEG power spectrum and bispectral index to monitor propofol drug effect and emergence.
The aim of this study was to investigate the accuracy of frontal spontaneous electromyography (SEMG) and EEG spectral edge frequency (SEF 95%), median frequency (MF), relative delta power (RDELTA) and bispectral index (BIS) in monitoring loss of and return of consciousness and hypnotic drug effect during propofol administration at different calculated plasma target concentrations. ⋯ The BIS might be an accurate measure to monitor depth of anaesthesia and hypnotic drug effect. Other neurophysiologic measures have limited value to monitor depth of anaesthesia and hypnotic drug effect.