Articles: patients.
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Journal of anesthesia · Mar 1995
Rapid induction with 7% sevoflurane inhalation-not the single-breath method.
The usefulness of the rapid anesthesia induction method with 7% sevoflurane, not the single-breath method, was investigated in 88 patients with ASA physical status 1. Anesthesia was induced with 3 l·min(-1) nitrous oxide in 3 l·min(-1) oxygen and sevoflurane 7% for 3 min (group A), 7% for 5 min (group B), 7% for 7 min (group C), and 5% for 7 min in conventional induction (group D). There were 22 patients in each group. ⋯ The time for the loss of consciousness was shorter in groups A (47.2 s), B (44.9 s), and C (49.8 s) than in group D (73.4 s). During induction, body movements were seen in 18.2% in group A and 13.6% in the other 3 groups, but no other complications such as coughing, breath holding, or laryngospasm were seen in any group. In conclusion, the anesthesia induction method with 3 min of 7% sevoflurane inhalation was useful for rapid induction.
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An expert committee of the German Chapter of the IASP has published five recommendations for the prevention and early treatment of low back pain. These refer to an early activation of the patient facilitated by scheduled pain medication and an interdisciplinary treatment including physiotherapy and psychotherapy if risk factors for chronicity are detected.
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Journal of anesthesia · Mar 1995
Transcutaneous electrical acupoint-stimulation potentiates the anesthetic effect of enflurane in humans.
The effect of transcutaneous electrical acupoint stimulation (TEAS) on enflurane anesthesia and hemodynamic changes during craniotomy was studied. Eighty neurosurgical patients were randomly divided into two groups. Anesthesia was induced with fentanyl, droperidol, thiopental, and suxamethonium by intubation. ⋯ The results showed that the ratio between expired concentration and minimum alveolar concentration of enflurane during operation in group B was 37.8%-47% lower than that in group A, and that the hemodynamics were more stable during operation. The results also demonstrated that the patients in Group B recovered faster after operation. It was concluded that TEAS with HANS significantly potentiated the anesthetic effect of enflurane.
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It has been demonstrated that intranasal opioid titration has a rapid onset of action and can provide satisfactory management of postoperative pain [10, 12, 14]. In these studies the intranasal titration was carried out by the investigator. Self-administration of an opioid intranasally by patients requires a spray bottle with safety precautions of an equivalent standard to those offered by an intravenous PCA device. We describe a device for patient-controlled intranasal analgesia (PCINA) that meets these safety requirements. ⋯ We conclude that the PCINA device presented fulfils the PCA device safety requirements. The bolus volume delivered by the device is precise and follows the manufacturer's specifications for flow rate and bolus volume. Initial.