Articles: general-anesthesia.
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Anaesth Intensive Care · Dec 1993
Randomized Controlled Trial Clinical TrialThe effects of providing preoperative statistical anaesthetic-risk information.
Are patients who are provided with details about anaesthesia risks on the eve of surgery better informed, and does the information increase their anxiety? Forty (ASA Class I or II) patients scheduled for surgery requiring general anaesthesia were randomly allocated to either a routine or a detailed information group. Levels of anxiety were assessed by the Spielberger State-Trait Anxiety Inventory. Actual knowledge of risks was assessed by a special visual analogue scale. ⋯ The detailed group, however, had gained more accurate knowledge of the likelihood of two rare complications, death (P < 0.001) and serious tooth damage (P < 0.05). Notwithstanding, there was no difference between the groups in anxiety. Thus, provision of detailed information about the risks of the complications of general anaesthesia did increase patients' knowledge but did not increase patients' levels of anxiety.
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The collective experience of 187 patients who suffered awareness during general anaesthesia is presented. This has been collated from letters solicited in September 1992 by a women's magazine widely distributed throughout Australia and New Zealand. ⋯ The findings show a disturbing symptomatology ranging over all modalities of sensation and of postoperative psychological and psychiatric disturbances. The letters also reveal that in most cases understanding of awareness and its proper management by medical personnel was poor or totally lacking.
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Case Reports
[Anesthetic management for cesarean section in two parturients with quintuplet gestation].
Two parturients with quintuplet pregnancy underwent urgent or elective cesarean section under general anesthesia at 30 and 29 week gestational ages respectively. Since multiple gestation pregnancy requires enough medical staffs and instruments for preterm newborn resuscitation, emergency cesarean delivery was avoided. ⋯ The anesthesia and postoperative course of two patients and their babies were uneventful. Thus, anesthetic considerations may include; 1) high risk pregnancy related with huge pregnant uterus, 2) preterm labor, 3) preparation of sufficient man-power and instruments, 4) to avoid uterine contraction before delivery for fetal oxygenation, and 5) the puerperal promotion of uterine contraction to decrease blood loss.
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J. Am. Vet. Med. Assoc. · Nov 1993
Case ReportsSuspected malignant hyperthermia syndrome in a miniature pot-bellied pig anesthetized with isoflurane.
Hyperthermia developed in a 7-week-old Vietnamese pot-bellied pig after isoflurane anesthesia for routine ovariohysterectomy. Shivering and a sudden increase in heart rate were noticed 90 minutes after anesthetic induction, both of which persisted throughout the remaining anesthetic period. ⋯ Malignant hyperthermia was suspected to be the cause of the clinical signs in this pig, but specific tests to support this diagnosis were not performed. This report illustrates that hyperthermia may develop in this breed of swine during isoflurane anesthesia, and rectal temperature should be monitored during and after the anesthetic period.