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Biomedical subjects

J Kienlen

Publications and source records attributed to J Kienlen.

52 records · Page 3Linked to original sources

[Use of dopamine in acute cardiovascular distress. Its place in comparison to isoproterenol].

Nineteen patients presenting cardiovascular distress were treated with dopamine. For seventeen of these, the accident occurred immediately after cardiac surgery. Dosages varied from 1 to 15 mug/kg/min and the duration of treatment from 10 minutes to three days. The efficacy of the treatment was judged according to the clinical and hemodynamic improvement of the cardio-circulatory function and the increase in urinary output. There were 15 favourable results. The positive effects of the dopamine seem to be limited in certain patients by the appearance of a cyanosis testifying to a rise in vascular resistances which increases the left auricular pressure and limits the inotropic effect. In these cases, isoproterenol or a combination of both isoproterenol and dopamine gives better results.

Adolescent↗

[Tracheal stenosis after tracheotomy. Apropos of 12 cases in 227 observations].

Out of 543 tracheotomized patients, 227 survived and 12 of them developed a tracheal stenosis syndrome (5,28 p. 100) including: 3 supra-ostial stenosis, 1 ostial and supra-ostial stenosis, 1 ostial stenosis, 3 intermediate stenosis and 4 distal stenosis. In two cases, the stenosis was found out during the removal of the cannula and in the other cases from 3 days to 8 months after the decannulation. The deffered treatment consisted in an anti-inflammatory medical treatment treatment (one case), in a permanent dilation with an Albouker tube (two cases), and in a resection of the stenosed tracheal part plus an anastomosis. Good results were obtained in 9 cases including the recovery of a satisfactory tracheal diameter. Because of a recurrence of the stenosis after resection and anastomosis, it was necessary, in two cases, to resort to another resection and, upon another occasion, to place a permanent cannulation. Finally, in one case, 2 Rethi operations were necessary to get a sub-normal tracheal diameter. From these facts, it emerges that tracheal stenosis are less important if, during the tracheotomy, a partial resection of the tracheal wall is effected (rather than an inverted U flap folded back at the bottom) together with the putting in of a cannula equipped with an elongated cylindrical cuff requiring a less important filing-up pressure (although just as efficient as far as tightness is concerned).

Adolescent↗

[EB 51 (Trivemil), a complete nutriment for parenteral alimentation].

EB 51 (Trivemil) is an original fat emulsion containing L. aminoacids and glucids in its liquid phase in the following proportions: amino acids: 60 gl/l corresponding to 8,77 g of nitrogen or 250 calories, sorbitol: 100 g/l or 400 calories wheatgerm oil: 38 g/l or 350 calories. This preparation supplies 1000 per liter. Its objective is to furnish simultaneously the amino acids as well as the energy necessary for their anabolism. EB 51 was administered in 43 patients during several days at a dosage of 1000 or 1500 ml. The tolerance of the product was excellent. Its usefulness was appreciated by nitrogen balance studies as well lipid blood tests. The clearing of the plasma in practically all the cases was very good and the nitrogen saved was almost equivalent to the amount furnished. The indications, dosage and contreindications of EB 51 are detailed.

Age Factors↗

[The MA 1 B respirator. Apropos of an experiment involving 91,300 hours of function].

Description of the working principle and the characteristics of the Bennet MA 1 B respirator, which is of the release of volume type with electro-mechanical functioning. Study of the advantages and drawbacks. During an experiment involving 91,300 hours of utilization of 21 sets of apparatus, 12 breakdowns concerning a mechanical or electrical component were recorded. No incident in the functioning of the electronic part of the system of control or of surveillance was noted. The reliability of the apparatus appears on the whole to be satisfactory, taking into account its remarkable working posibilities.

Evaluation Studies as Topic↗