Primary Care Hospitalにおける急性化膿性中耳炎検出菌とその季節的な特徴について--一般病院の中耳炎菌と季節的な特徴

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1) Types of phlogogenous bacteria, their incidence and seasonal characteristics were studied in 586 cases of acute purulent otitis media seen at a primary care hospital in Tokyo during a one-year period between July 1979 and June 1980.2) Paracentesis was performed on 406 cases and middle ear effusions were collected. As a result, 425 strains of pathogens were detected. They included Streptococcus pneumoniae (49.9%), Haemophilus influenzae (32%), Streptococcus pyogenes (7.5%) and Staphylococcus aureus (5.9%).3) In 168 cases in which otorrhea was found, 221 strains of pathogens were detected as follows: Streptococcus pneumoniae (26.2%), Haemophilus influenzae (23.5%), Streptococcus pyogenes (14%) and Staphylococcus aureus (21.3%).4) Thus, a high probability of detecting Streptococcus pneumoniae and Haemophilus influenzae in patients who undergo paracentesis was statistically confirmed as well as that of Staphylococcus aureus and Streptococcus pyogenes in those with otorrhea.It is necessary to indicate the method of sampling when discussing the phlogogenous bacteria involved in otitis media.5) The incidence of detecting Haemophilus influenzae is higher in winter, Streptococcus pneumoniae in spring and Streptococcus pneumoniae in spring and Pseudomonas aeruginosa in summer.6) The correlation between the detection rate of Hemophilus influenzae and the number of absentees in elementary schools was also studied.
耳鼻咽喉科臨床学会の論文