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Biomedical subjects

A Doom

Publications and source records attributed to A Doom.

6 recordsLinked to original sources
PubMed1983

Continuous monitoring by microprocessor from the operating room to the intensive care unit.

The "Chronicler" is made up of a microcomputer (the CPU is a Motorola 6809), an alphanumeric-graphic display with keyboard and a printer. The system is connected to several physiological signal monitors and in our application to a mechanical ventilator under electronic control. It collects every 5 seconds - or at each breathing cycle if required - all the data supplied by the various measuring devices including those in the mechanical ventilator. The time basis for displaying and storing the data is a multiple of the data acquisition time basis; it is selected interactively by the user during operation. Up to five raw analog curves (f.i. capnogram, pulmonary artery pressure curve) can be displayed and their morphology can then be examined. Manual data are entered or retrieved at any time. The system was designed by Dr. Demeester's team in order to help the anesthesiologist during and after anesthesia. Clinical use of the system by our staff has convinced us that indeed it is of great help in the control of general anesthesia: this results from the very clear and efficient presentation of the data both as numbers and curves; an alarm program under interactive control of the user makes surveillance still easier; furthermore the use of the system is simple and convenient. Finally, when surgery is over, a standard report is automatically printed; it is equivalent to a manually written anesthesia report. The data are stored on floppy disks and can be processed later for retrospective analysis in order to investigate, for instance, the influence of surgical maneuvers and of drugs on physiological parameters. The "Chronicler" is thus a tool for dynamic monitoring during anesthesia; it is also a powerful tool for clinical and physiological research.

Carbon Dioxide↗
PubMed1981

Pre- and postoperative use of lormetazepam.

In preoperative use, the administration of 2 mg of lormetazepam perorally to patients no doubt abnormally nervous in anticipation of a forthcoming operation has proved to be an excellent inducer of sound sleep. In postoperative use, a dose of 2 mg of lormetazepam has a positive effect compared with the placebo, both on sleep inducement and on quality and duration of sleep. However, the results of a small series of twelve patients indicate that for recently operated adults the administration of 3 mg of lormetazepam may be recommended. Indeed we believe 4 mg might not be excessive.

Anti-Anxiety Agents↗
PubMed1976

Etomidate and tonsillectomy.

Tonsillectomy under general anesthesia, one of the most commonplace operations there are, is more of a problem for the anesthetist than for the surgeon. Once intubated, the child or adult will be protected from any operative risks by correct ventilation and the protection of his upper airways. The only problem is that arising from the anesthesia required to carry out this intubation and from the consequences of this anesthesia on the waking period, which should be brief in order to avoid, after detubation, any reactions which might induce excessively deep sleep at that moment. In this respect we found etomidate, with its short duration of action, even after reinjection, just as interesting as methohexital. We should mention, however, that his product presents certain disadvantages the most troublesome of which seemed to be the pain provoked when this substance is injected. A new solution (of basic etomidate) still hardly presented this disadvantage.

Child↗
PubMed1976

Study on peroperative bleeding in ear, nose and throat surgery.

Some interventions in ENT surgery are very difficult or are even impossible if the slightest bleeding occurs. Microsurgery of the ear is the best example. For this reason we choose this particular intervention to test different anesthesia techniques. Bleeding in the surgical field is followed, while simultaneously respiratory, venous and arterial pressure tracings are recorded. These parameters are followed and changes can be attributed directly to observations by microscope of the surgical field. Successively neuroleptanalgesia in its pure form or with help of several drugs (trimetaphan, furosemide, enflurane) is studied. One conclusion can probably be made of the analysis of our series: an anesthesia with "light" analgesia gives better results than an anesthesia protecting completely the patient.

Anesthesia, General↗