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Biomedical subjects

B Legras

Publications and source records attributed to B Legras.

At least 91 records · Page 5Linked to original sources
PubMed1977

A new display technique for computer-processed digital scans.

This article presents a new approach for presenting scintigraphic images. The technique combines the conventional plotting the contour lines and the highlighting, by means of hatching, of the concavities (or convexities) of the 'surface' representative of radioactive distribution. The search for the surface features is achieved generally by the method of normal curvatures. An example with a phantom demonstrates the utility of this representation method.

Computers↗
PubMedDate not supplied

[Applications of a simple system of aid to medical decision-making with various patients in internal medicine: SELF].

Many medical decision helping systems are very complex and require expensive computers, which restricts their diffusion and limits their use to specialized people. The idea was to find a simplified system that any practitioner--even unaccustomed to microcomputing--would be able to use. Moreover, this system had to work on widely available and inexpensive microcomputers. SELF (system in fuzzy set) is this kind of system. It has been devised as a complete interactive system of medical decision help. It is entirely parameterized, allows any kind of application and works according to such rules as "if there is premise, then there is conclusion", tempered by a coefficient. The bases of knowledge are represented on a correspondence chart where columns materialize the premises (clinical signs, laboratory results, etc.) and horizontal lines all the diagnoses and therapeutic conclusions. The system includes proceedings that create, modify and update basic knowledge. It uses the fuzzy set rules to draw conclusions. SELF was first applied to the prescription of contraceptive methods, but it has now been tested in other specialties, such as gynaecology, pneumology, haematology and so forth. In every case, the reliability of the results obtained depends on the bases chosen by the creator himself. Owing to the general character of the system, one may regard it as being open to any user who would like to create his own applications.

Decision Making, Computer-Assisted↗
PubMedDate not supplied

[Hospitalization of adolescents in a regional hospital center].

A one-year study of hospitalizations of 12-18 year old adolescents in a general hospital in the East of France showed a rate of hospitalization of 4.3%, lower by 1/2 than that of the general population. More than half of the patients were admitted to surgical wards, one third to wards of internal medicine and, for the girls, 15% to wards of gynecology and obstetrics. One third of the adolescents were admitted to departments of pediatrics. The causes of admission were, in order of frequency, accidents, infections and mental disorders. On the basis of these data, the modalities for reception of adolescents in hospitals are discussed.

Adolescent↗