Anaesthesia
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Gender is an important risk factor for postoperative nausea and vomiting. Menstrual cycle phase has also been implicated as a further variable in female patients. It is not clear whether a history of an irregular menstrual cycle is a significant variable and studies to date have not examined this. ⋯ In comparison with patients who had a regular cycle, an irregular menstrual cycle increased the incidence of nausea or vomiting from 20.5% to 40.5% (absolute difference 20%; 95% CI 0.03-0.37, p = 0.01). Other variables were similar between the groups. An irregular menstrual cycle appears to increase the risk of postoperative nausea and vomiting.
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Burn dressing changes require profound analgesia for a short duration. This study aimed to determine whether an operator-adjusted target-controlled infusion of alfentanil could provide effective analgesia for burn dressing changes. Ten patients with a burn of between 5 and 50% of body surface area were studied. ⋯ No patient became sedated and there were no episodes of nausea or vomiting. Median (range) total dose of alfentanil was 2.6 (1-10.7) mg. This study supports the efficacy of an operator-adjusted target-controlled infusion of alfentanil to provide analgesia for burn dressing changes.
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In the United Kingdom, the Royal College of Obstetricians and Gynaecologists requires maternity units recognised for training to complete annual statistical returns. Analysis of these data revealed that anaesthetists were directly involved in more than 251 000 procedures in the peripartum period in 1997/1998. There had been an increase in the number of women delivered by Caesarean section (18. 5% of all deliveries) compared with previous reports. ⋯ For pain relief in labour, there had been neither an increase nor a decrease in the uptake of regional analgesia (23.6%). There were limited training opportunities for anaesthetists in general anaesthesia for Caesarean section and for obstetricians in vaginal breech delivery. The known admissions to intensive care units equated to over 100 women per month in the United Kingdom requiring intensive care as a result of childbirth.
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The Australian Incident Monitoring Study database was examined for incidents involving inadequate pre-operative patient preparation and/or evaluation. Of 6271 reports, 727 had appropriate keywords, of which 197 (3.1%) were used for subsequent analysis. All surgical categories were represented. ⋯ Respondents indicated that the incident was preventable in 57% of cases. Proposed corrective strategies include improved communication, quality assurance activities, development of protocols and additional training. A structured assessment of the airway, along with improvements in information exchange, patient assessment, and use of clearly defined patient management plans and pathways would prevent most of the incidents reported.