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Biomedical subjects

G Mangiarotti

Publications and source records attributed to G Mangiarotti.

11 recordsLinked to original sources

[The quarantined dialysis room for Australia-antigen-positive patients. Theoretical, normative, structural, operational, organizational and management aspects].

The technical features of dialysis facilitate the transmission of hepatitis B virus and the outbreak of possibly serious epidemics among patients and hospital staffs. Statistical, epidemiological and clinical data have been collected on many occasions. They serve to emphasise the problem and the need for quarantined centres. The establishment of such a centre for HBsAg-positive patients is discussed in the light of personal experience in the design and setting up of quarantined rooms. The underlying technical and structural requirements are also examined. Reference is also made to two years' experience in the running of a room of this kind. Stress is laid on the importance of having a room for these patients, not only from the clinical standpoint (lessening of contagion), but also from teh social and exonomic standpoint (reduced costs and length of hospital stay, greater rehabilitation).

Cross Infection

[Hyperparathyroidism in endocrinology and nephrology].

The literature on primary and secondary hyperparathyroidism is surveyed in the presentation of an account of the present positon. Reference is also made to personal clinical experience, particularly in secondary cases. The physiopathology of parathormone, calcitonin and vitamin D is described; the last, in fact, has proved useful in the treatment of secondary forms. The usual symptomatological tests of performance are explained, together with their diagnostic value. The clinical symptoms and their physiopathological significance are also illustrated. Stress is laid on the importance of conservative management in secondary forms. Good results now enable parathyroidectomy to be avoided or delayed in many cases.

Bone Diseases

Ribosome maturation in E. coli.

In vivo and in vitro experiments have shown that processing of ribosomal RNA is a late event in ribosome biogenesis. The precursor form of RNA is probably necessary to speed up the assembly of ribomal proteins. Newly formed ribosomal particles which have already entered polyribosomes differ from mature ribosomes not only in their RNA content but also in their susceptibility to unfolding in low Mg concentration and to RNase attack. Final maturation of new ribosomes is probably dependent on their functioning in protein synthesis. Thus only those ribosomes which have proven to be functional may be converted into stable cellular structures.

Escherichia coli