| mycoplasma pneumoniae infection and its genotypical characterization in children of hokkaido, japan. | to investigate the etiology of mycoplasma pneumoniae infections we conducted a prospective study covering the total pediatric population in hokkaido, japan. paired sera for serologic assays were available for more than half of the cases (n = 921; 398 as pneumonia and 523 as bronchitis). the nasopharyngeal swabs were also collected for isolation and pcr study. the types of p1 gene from clinical isolates of m. pneumoniae obtained from two different areas of hokkaido, sapporo and kushiro, were dete ... | 2003 | 14598604 |
| regional differences in prevalence of macrolide resistance among pediatric mycoplasma pneumoniae infections in hokkaido, japan. | recently, macrolide-resistant (mr) mycoplasma pneumonia appeared, and prevalence of macrolide resistance among m. pneumoniae infections varies by country. however, reports on regional differences in the prevalence of mr m. pneumonia within a country are scarce. in this study, 617 nasopharyngeal swab samples were collected from 617 pediatric patients, and dna of m. pneumoniae was identified in 95 samples. in 51 of the 95 m. pneumonia positive samples, we detected the presence of mutation a2063g m ... | 2016 | 26166502 |
| etiological agents of lower respiratory tract infections in japanese children. | to investigate the etiology of pediatric community-acquired pneumonia and bronchitis, we conducted a prospective, population-based study covering the total population < 15 years of age in 16 municipalities in hokkaido, japan, during the period of april 2000 to march 2001. chest radiographs were available for all cases (n = 921; 398 as pneumonia and 523 as bronchitis) and paired sera for serologic assays were available for more than half of the cases. the following specimens were also collected: ... | 2004 | 15011754 |
| [epidemiological study on respiratory syncytial virus lower respiratory tract infections in northern hokkaido, japan]. | we carried out an epidemiological study on lower respiratory tract infections, concerning the respiratory syncytial virus (rsv) infection, in northern hokkaido, japan, during the 2-year-study period from april 1991 to march 1993. there were 467 hospitalized patients with lower respiratory tract infections. we examined the presence of rsv antigen in their nasopharyngeal specimens of 456 out of 467 patients (97.6%) by enzyme immunoassay. the diagnosis of mycoplasma pneumoniae infection was done by ... | 1994 | 8138666 |