Biomedical subjects
Publications and source records attributed to V K Tatochenko.
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The most widespread pathogens of pneumonia in children i.e. Streptococcus pneumoniae and Haemophilus influenzae and their antibiotic susceptibility are described. The ways of selecting starting antibacterial drugs for the treatment of community-acquired and hospital pneumonia are recommended proceeding from the original findings and some literature data. Oral drugs for the treatment of uncomplicated pneumonia are shown to be preferential. In the treatment of nosocomial or hospital pneumonia the starting regimen should allow for the previous antibacterial therapy.
The data on changes in the susceptibility of the most frequent respiratory tract pathogens i.e. Pneumococcus spp. and Haemophilus influenzae within the last 15 years and Streptococcus spp., Staphylococcus spp. and Moraxella spp. at the present time as well as recommendations based on the original and some literature data on the choice of the antibacterial drugs for the initial treatment of bacterial complications of acute respiratory tract viral infections such as otitis, sinusitis and pharyngitis are presented. The necessity of decreasing the unjustified use of antibiotics in cases of uncomplicated acute respiratory tract viral infections is indicated.
The therapeutic efficacy of oral macrolides (erythromycin base and midekamycin, macropen) and azalides (azithromycin, sumamed) in the treatment of children with acute and chronic (during the aggravation) bronchopulmonary diseases was studied. The main etiological factors of acute and chronic pneumonia were Streptococcus pneumoniae and Haemophilus influenzae. The proportion of Staphylococcus aureus was high in infants with acute pleuropulmonary inflammations. The susceptibility of the isolates to the antibiotics was found to be high. The results of the trials showed that erythromycin, macropen and azithromycin were efficient in the treatment of acute and chronic pneumonia. The foci of acute pneumonia dissolved after oral administration of the drugs within the same periods as after the use of other parenteral antibiotics. The comparative estimation of the drug efficacy revealed that azithromycin was more active. The ease of the azithromycin administration (in the form of a suspension) in infants and children once a day for a shorter treatment course up to 5 days, high efficacy and no adverse reactions permitted to consider the antibiotic as the most promising antibacterial agent for the treatment of respiratory infections in children in hospitals and outpatient departments.
The efficacy of oral antimicrobial agents was studied under conditions of monitored clinical trials. Overall 279 children with different clinical forms of acute pneumonia were entered into the study. It has been shown that the treatment of uncomplicated acute pneumonias may be started since the day of admission to the hospital. The total efficacy of oral drugs was 75%. This does not differ essentially from the efficacy of antibiotics administered parenterally (89%). It has been established that early change (on days 1-3 since the effective treatment) from parenteral to oral administration of antibiotics does not reduce the treatment efficacy but noticeably lowers the injection load of the patients. The side effects (dyspeptic disorders) that occur very frequently during erythromycin treatment suggest that this antibiotic should not be administered to infants.
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The study of pneumococci of different serotypes, isolated from patients with acute pneumonia and pleuritis and from healthy children was carried out. Among the pneumococcal serotypes causing pneumonia and pleuritis in children serotypes 1, 6, 19, 14 and 3 were most widely spread and constituted 62.3% of all isolated pneumococci. In young children cases of acute pneumonia and pleuritis were more often induced by serotypes 6 and 14 and in older children, by serotypes 1 and 3. In patients with uncomplicated pneumonia and pleuritis differences in the detected serotypes of pneumococci were observed, and the disease course differed in severity. Serotypes 14, 3 and 3 induced destructive processes in the lungs more often than other serotypes. Monitoring of the sensitivity of pneumococci to antibiotics showed that most of the strains retained high sensitivity to penicillin and ampicillin. In most cases the detected resistant pneumococcal strains belonged to serogroup 19.
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