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T Kessler

Publications and source records attributed to T Kessler.

47 records · Page 3Linked to original sources
PubMed1978

[Vaccination status of children in the Vienna area (author's transl)].

The vaccination status was investigated in 1482 patients between the ages of 1 and 14 years admitted to hospital with scarlet fever. Most of the patients were vaccinated against tuberculosis (97.7%), diphtheria, tetanus and whooping-cough (95.3%) and poliomyelitis (94.1%), relatively few against measles (21.1%) and very few indeed against mumps (0.7%) and tick-borne encephalitis (1.9%). The booster vaccination against tetanus and diphtheria had been omitted in more than 40%. Although the beneficial results of vaccination against tuberculosis, diphtheria-pertussis-tetanus and poliomyelitis remained more or less the same, the tendency towards vaccination did not spread as might have been anticipated. On the contrary, the extent of vaccination decreased, especially during the past years. In the same way the tendency towards vaccination against measles showed a sudden slowing down after a period of rapid increase. This implies that vaccination of children does not tend towards perfection. The vaccination rates differ widely between foreign children living in Vienna and natives. Although the foreigners show a similar vaccination distribution pattern as the natives, the numbers of unvaccinated children are much higher.

Adolescent↗
PubMed1975

Use of artificial heart for basic cardiovascular research.

Improved technology in artificial heart development and implantation studies in unanesthetized calves have stimulated a new model for cardiovascular research. Independent control of the left and right ventricles, replacement of the natural right atrium with an artificial atrium (with a compliant inner diaphragm) are illustrated as examples of new methods to study the cardiovascular system. Preliminary results in three calves suggest that synchronous ventricular pumping is not required for total circulatory maintenance. In four calves a passive artificial right atrium was shown to decrease outflow obstruction to the right ventricle. A compliant inner deiapragm demonstrated a reduction in the amplitude of the atrial C and V waves. The effects of volume and drug infusion on peripheral vascular response in the presence of controlled artificial heart pumping (which does not respond to direct neural or hormonal influences) further illustrate the efficacy of this preparation as a new model for cardiovascular research.

Animals↗
PubMed1975

Thrombus generation within the artificial heart.

The sites of thrombus formation in the Jarvik III artificial heart were studied in 20 consecutive calf experiments. Identical design and implantation procedures were used with two different surfaces. The 10 anticoagulated calves receiving Dacron-fibrilized silicone rubber surfaces survived an average of 296 hours. In contrast, the 10 nonanticoagulated calves with smooth poyurethane hearts survived 545 hours. The polyurethane surfaces were constantly clean. However, the rough surfaces were coated with variable amounts of thrombi. The sharp angle between the diaphragm and housing contained varying amounts of thrombi deposits in 75 per cent of the cases. Thrombe deposition occurred on 41 per cent of the valves. These thrombe were the source of emboli into the kidney, brain, and lungs. Turbulences and stagnation areas generated thrombus formation. Anticoagulation did not prevent thrombus formation. It would appear that heart free of turbulence and stagnation areas must be designed to eliminate thromboembolism.

Animals↗
PubMedDate not supplied

Nasopulmonary intubation with feeding tubes: case reports and review of the literature.

Pulmonary aspiration of regurgitated feeding material is a recognized complication of enteral nutrition by feeding tube. Nasopulmonary intubation with feeding tubes has been reported infrequently. We present two patients with such complications. In one, nasopulmonary intubation resulted in a pneumothorax. In the other unrecognized misplacement resulted in pneumonia and hydrothorax. Similar cases in the literature are discussed. Common features of this complication are: (1) patients who are obtunded, debilitated, or without gag reflex; (2) previous successful insertion of a tube; (3) successful passage past endotracheal tubes and tracheostomies; and (4) positive auscultation of insufflated air over the left upper quadrant. Complete prevention of this complication probably is not possible, but health care personnel should be aware of this potential problem in the patient at risk.

Aged↗