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Biomedical subjects

M Chiva

Publications and source records attributed to M Chiva.

24 records · Page 2Linked to original sources
PubMed1976

[Genetic and environmental factors in normal and deviant dietary behavior of the child].

The alimentary behaviors of the child are approached from a developmental point of view, the genesis and the evolution of normal behavior allowing us to better understand the origin, the causality and the signification of pathological behaviors. In this perspective the study, in particular, of the evolution of the taste sensation and its ties with the development of personality permits better to understand the problem. Taking in account actually directions of research and some original works, several directions of study are presented, connected with the following aspects: topological and functional evolution of taste receptors, developmental evolution and individual differentiation of the gustatory sensation, hereditary determinants of gustatory sensation and their possible relations with other aspects of personnality, ethological, cultural and environmental (both, in the large and restrictive meaning) aspects and their place in reinforcements of alimentary behavior. A line of research, which overgoes the only descriptive point of view and has an explanatory aim, is proposed, inserted in a real context.

Child↗
PubMedDate not supplied

Long-term neuropsychological outcome in children undergoing portal-systemic shunts for portal vein obstruction without liver disease.

Forty-two children with portal vein obstruction (cavernoma) and without liver disease had a portosystemic surgical shunt performed at different ages. All of them had severe gastrointestinal hemorrhage prior to surgery. To evaluate the long-term neurological and psychological effects of shunt procedures in children with normal liver function, they were studied up to 24 years postoperatively with psychometric testing. A comparison with two control groups as to the impact of surgery, family situation, and neonatal events was considered. Twenty-four children with portal vein obstruction who were not operated on and 19 children splenectomized for hematological reasons acted as the control groups. No differences were observed in schooling and employment. Psychometric tests were almost identical in shunted patients and in the control groups. Minimal portal systemic encephalopathy appeared to be undetectable clinically either by electroencephalogram or by venous ammonia levels. The results of psychometric tests appear to show no loss of intellectual and psychological capacity in patients operated on for portal obstruction. Only visual memory and spatiotemporal tests showed slightly worse results in those children who underwent this procedure. Further longitudinal studies are required to substantiate these findings.

Adolescent↗