title: [Value of quantitative evaluation of bacterial species in bronchitic infections (author's transl)].
abstract: A quantitative evaluation of the bacterial species in the sputum collected from 93 patients was conducted over a period of 7 months. The patients were divided into five different pathological categories, while separating those patients who had not received antibiotic therapy before samples were taken from those who had been administered this type of treatment. Samples were repeated after one week in 30 cases. The most frequently encountered germs were hemophilus (10(6)) and pneumococcus (10(7)). In simple bronchopathies, Gram-negative germs were only isolated at levels of 10(5) from patients previously treated with antibiotics, which demonstrates their low pathogenic role. In most severe bronchopathies they were isolated more frequently, but at levels which rarely exceeded 10(6). Their pathogenic role has to be evaluated as a function of the progression in clinical signs. The authors underline the frequency with which pneumococcal strains are resistant to tetracyclines.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001424:Bacterial Infections / Q000382:microbiology; D001431:Bacteriological Techniques; D001991:Bronchitis / Q000382:microbiology*; D006190:Haemophilus / Q000187:drug effects / Q000302:isolation & purification; D006801:Humans; D013183:Sputum / Q000382:microbiology; D013296:Streptococcus pneumoniae / Q000187:drug effects / Q000302:isolation & purification
chemical_list: D000900:Anti-Bacterial Agents
vernacular_title: Apport de l'analyse quantitative de la flore bactérienne dans les bronchopathies infectieuses.