Biological paradigms of molecular electronics.

Biological processors of information are shown to be paradigms of Molecular Electronics, suggesting the main features of systems for intelligent information processing at molecular level.

[Contribution to the improvement of the results of tracheal surgery].

The authors present, in the light of their personal experience acquired in the performance of surgical interventions on the trachea (a total of 13 interventions in 11 patients), some particularities of the surgical technique, as well as of the anesthetic procedures capable to improve the immediate and the late results of these interventions. The techniques suggested are aimed at preventing the operatory risks in the surgical procedures on the trachea, which is classified by the authors in three groups: tracheal risks, vascular risks, and anesthetic risks. The validity of these techniques is confirmed by the success of the surgical procedures applied, followed by the definitive recovery of the patients which were operated with the most recent experience of the authors.

[Posterior (retrovascular) mediastinocervical goiters].

Three cases are presented of endo-thoracic goiters with posterior, retro-vascular developement, a very rare variety of the mediastino-cervical goiter. The anatomic pathways are described, along which this variety of goiter can migrate inside the thorax, as well as the radiologic signs which allow to make a diagnosis. In view of making a choice of the access route the importance of the diagnosis is particularly stressed, before surgery is attempted.

[Postoperative digestive complications of thoracic surgery].

The authors investigated the pathologic digestive manifestations that have developed after 2000 surgical interventions in the thoracic-pulmonary field. Four categories of digestive disturbances have been considered: paresis (dynamic ileus), including acute gastric dilation; haemorrhage; mechanical ileus, and digestive perforation. The digestive pathology developed either autonomously or in association with other symptoms of shock.