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Biomedical subjects

A Mejía

Publications and source records attributed to A Mejía.

10 recordsLinked to original sources
PubMed1990

[Bilateral nodular hyperplasia of the adrenal glands; diagnostic problems].

Bilateral adrenal nodular hyperplasia (BAND) is rarely presented as a cause of Cushing Syndrome. The pathogenicity of the disease is unknown and it does not present either symptoms or specific signs, furthermore, its steroid dynamic is atypical and the morphologic tests are not conclusive. The clinical stories of six BAND-diagnosed patients in our Department have been reviewed with the aim of unifying the criteria of the preoperative diagnosis with regard to treatment, comparing our results with literature's wider series. The results from both studies demonstrate an hypophyseal dependence together with some others showing a adrenal autonomy. Thus, our conclusions perpetuate the pathogenic question about BAND (whether is an adrenal primary disfunction or a secondary effect caused by hypophyseal ACTH hypersecretion?) and we point out the usefulness of radioisotopic gammagraphy and abdominal-TAC, since usually they show the bilaterality of the injury at adrenal level.

Adrenal Glands↗
PubMed1988

Genetic heterogeneity of thalassemias in Mexican mestizo patients with hemolytic anemia.

Twenty-eight Hb abnormalities (16 thalassemias, 10 Hb variants and 2 hereditary persistences of fetal hemoglobin) were detected in an etiopathogenic search in 131 patients with hemolytic anemia. The observed thalassemic genotypes [6 beta(0)/beta, 2 (delta beta) (0)/beta(0), 2 beta(0)/beta(+), 2 beta(0)/beta(s), 2 beta(+)/beta(+), 1 beta(+)/beta(s) and 1 (delta beta)(0)/beta] showed heterogeneity in the population studied. A native origin of some of these mutations is considered.

Anemia, Hemolytic↗
PubMed1986

[Continuing education].

This article views continuing education as the body of experiences that follow the individual's formal training and continue throughout his career until his withdrawal from the labor force. Its focus is on the type of continuing education required for the achievement of health for all by the year 2000. The relations between this and the other forms of education are described, and the factors associated with the growing importance of this form in health systems today are discussed. On this basis the article identifies some of the problems and limitations of continuing education, enumerates methods for determining the requirements of health personnel for this kind of education, and suggests possible future strategies, which are considered as beyond the capabilities and purview of any single institution to formulate or implement on the national scale. It therefore suggests the establishment of national systems of continuing education that will articulate the different establishments concerned in an interinstitutional organization with a unified policy, programs and budget. Only then can systematic, progressively sequenced instruction, geared to development of the skills required for specific functions and responsibilities be provided for all health occupations. The article ends with an enumeration of the desirable features of a system of this kind.

Attitude of Health Personnel↗
PubMed1984

[A change of attitude among health personnel: a function of the schools of public health].

This presentation examines the problem of certain attitudes of persons employed in health and other sectors, and of the beneficiary population itself which, though not blocking, at least make it difficult to promote the attainment of health for all based on primary care. The author describes the changes of attitude and behavior patterns needed both in the whole population, for whose sake the changes are needed, and in those charged with establishing policies and providing health care. At the same time, he identifies the functions that schools of public health may have to perform in order to promote and bring about those changes. With a precise idea of what the desirable changes are and what they consist of, the article examines in detail the principal areas of interest, which it distinguishes as follows: the meaning of health; the meaning of health care and health development; the scope of policy-making; intersectoral and multidisciplinary collaboration; community involvement and self-care; cost-containment of medical care; health system organization and operation; health management training, and health manpower development. The author concludes by underscoring the vital importance of understanding the meaning of health for all and of taking cognizance of the current deficiencies of the health education and service systems, but states that it is just as important to keep an optimistic and positive attitude.

Attitude of Health Personnel↗
PubMedDate not supplied

[Changes in hemoglobin in patients with hemolytic anemia].

Hb alterations studied throughout 2 years in 129 patients are reported, these patients had hemolytic anemia or the possibility of a hemoglobinopathy : 5 were heterozygotes to thalassemia b; 3 were compound-heterozygote of thalassemia a1 and thalassemia a2; 2 for thalassemia b and 2 for thalassemia b and Hb S; 2 homozygotes and 2 heterozygotes for Hb S; 2 was bearing unstable Hb and the other had Hereditary Persistence of Hb F. These results allow the conclusion that thalassemia is the Hb alteration which most frequently causes hemolytic anemia in our population and underscores the importance of the study of these pathologies in selected populations.

Anemia, Hemolytic↗