A new endoprosthesis designed for surgical intubation of neoplastic strictures of the proximal biliary tract has been developed. The technical aspects of intubation by this endoprosthesis are discussed, and the results in the first 25 patients are given. The results suggest that this device was well tolerated. Mortality and morbidity related to the endoprosthesis were low in comparison to the results given in the literature for intrahepatic cholangioenteric anastomosis. The authors conclude that this procedure could favorably replace intrahepatic cholangioenteric anastomosis as currently used for selected cases of malignant biliary stricture.

Adult↗

PubMedDate not supplied

[The importance of bacterial exposure in sanitation employees when collecting refuse].

During their Work, Dustmen are exposed to important and various microbiological Aerosols, which, according to the Granulometry, could have an Influence on the Start and the Progress of chronic Bronchitis.

Air Microbiology↗

PubMedDate not supplied

[Averaged electroretinograms (ERG) of rats exposed to 2 organomercury compounds].

Averaged ERGs of rats treated with phenylmercury borate and methylmercury chloride were recorded. Amplitude differences were seen only with the latter treatment. A high Hg tot. level was found in eyes of animals treated with methylmercury.

Animals↗

PubMedDate not supplied

[Epidemiology of chronic bronchitis].

In this short paper, the definition of chronic bronchitis, as it is now widely accepted by epidemiologists, is given and a comparison is made with the disease as usually referred to by general practitioners. Risk factors which are related to the development of the disease are then briefly discussed and the importance of internal parameters is underlined. At last, the methodological difficulties which arise in the assessment of the relationship between air pollution and respiratory symptoms are emphasized.

Absenteeism↗

PubMedDate not supplied

[Application of typological analysis to the epidemiology of chronic bronchitis].

Explore the source record for details and available documents.

Bronchitis↗

PubMedDate not supplied

[Level of SO2 pollution and the prevalence of bronchitis].

The prevalence of chronic bronchitis (according to the BMRC questionnaire on respiratory symptoms) for 1182 male smokers, as well as their peak flow rate, are related to age (18-65 years), cagarette consumption (1-55 cig./day) and exposure to atmospheric SO2 pollution (20-65 microgram/m3).

Adolescent↗

PubMedDate not supplied

Changes in the pituitary metabolism of monoamines (dopamine, norepinephrine, and serotonin) in female and male rainbow trout (Oncorhynchus mykiss) during gonadal recrudescence.

The dynamics of the levels and metabolism of dopamine, norepinephrine, and serotonin were studied in pituitaries of male and female rainbow trout at different stages of gonadal development. In female rainbow trout, the turnover of dopamine (calculated using the inhibitor of tyrosine hydroxylase alpha-methyl-p-tyrosine methyl-ester HCl), serotonin metabolism, and norepinephrine levels decreased in the advanced stage of exogenous vitellogenesis with respect to the initial stage. However, data obtained in males did not show changes in either serotonergic or noradrenergic metabolism during the last stages of gonadal development. However, an increase of dopaminergic turnover was noticed in the male fish at the end of spermiation. Finally, pituitary dopaminergic activity was significantly higher in immature (prepubescent stage) than in adult fish.

Animals↗