The “analgizer” in a general hospital: a preliminary report
We found the advantages of the Analgizer to be the following:
It is simple to administer.
It produces a high percentage of satisfactory results (i.e. 80 per cent in our study).
It may be given to several patients simultaneously.
It allows labour to progress normally.
All vital signs remained normal in the mother, the baby, or the injured patient.
It is disposable, thus preventing the risk of cross infection and eliminating the need for cleaning and sterilization.
It is safe over a prolonged period of time.
The patient, after a brief explanation, takes to it quite readily.
The disadvantages were:
The unpleasant and nauseating odour.
A feeling of over-confidence on the part of the patient during the analgesic stage, which required constant supervision of the nurses.
The high price. Each administration costs $3.50 ($1.10 for the Analgizer and $2.40 for each 15 cc dose of methoxyflurane). This lasts for less than two hours, after which a further dose of methoxyflurane is needed.
To conclude, we liked the Analgizer because of its safety, effectiveness, and simplicity. Its greatest drawbacks were its high cost and the necessity of having a nurse in constant attendance during its administration. We intend to expand its use to other areas such as the dressing of wounds on surgical wards and for minor diagnostic procedures in urology.
- Boisvert, M., Hudon, F. (1962) Clinical Evaluation of Methoxyflurane in Obstetrical Anaesthesia: A Report on 500 Cases. Canad. Anaesth. Soc. J. 9: pp. 325-325
- Romagnoli, A., Korman, D. (1962) Methoxyflurane in Obstetrical Anaesthesia and Analgesia. Canad. Anaesth. Soc. J. 9: pp. 414-414
- Schubert, F., Keuter, J. R. (1964) Experience with Methoxyflurane in Obstetrical Anaesthesia. Third World Congress of Anaesthesiologists. Sao Paulo, Brazil. II: pp. 25-27
- Kortis, H. I., Savel, L. E., Seitzman, L., Fleischer, J. (1967) A Clinical Evaluation of Self- administered Methoxyflurane Analgesia in Labor. J. Newark Beth Israel Hospital 18: pp. 79-79
- Cosmi, E. V., Marx, G. F. (1968) Acid-base Status and Clinical Condition of Mother and Foetus Following Methoxyflurane Anaesthesia for Vaginal Delivery. Brit. J. Anaesth. 40: pp. 94-94 CrossRef
- Lorhan, P. H., Gilman, J. (1962) The Obstetric Patient as an Anaesthetic Problem. Anesth. & Analg. 41: pp. 686-686
- Marx, G. F., Chen, L. K., Tabora, J. A. (1969) Experiences with a Disposable Inhaler for Methoxyflurane Analgesia during Labour: Clinical and Biochemical Results. Canad. Anaesth. Soc. J. 16: pp. 1-1
- Jones, P. L., Rosen, M., Mushin, W. W., Jones, E. V. (1969) Methoxyflurane and Nitrous Oxide as Obstetric Analgesics: 1. A Comparison by Continuous Administration. Brit. Med. J. 3: pp. 255-255 CrossRef
- Jones, P. L., Rosen, M., Mushin, W. W., Jones, E. V. (1969) Methoxyflurane and Nitrous Oxide as Obstetric Analgesics: 2. A Comparison by Self-administered Intermittent Inhalation. Brit. Med. J. 3: pp. 259-259
- Rosen, M., Mushin, W. W., Jones, P. L., Jones, E. V. (1969) Field Trial of Methoxyflurane, Nitrous Oxide, and Trichloroethylene as Obstetric Analgesics. Brit. Med. J. 3: pp. 263-263
- The “analgizer” in a general hospital: a preliminary report
Canadian Anaesthetists’ Society Journal
Volume 17, Issue 3 , pp 275-278
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