Kazuhiro Uchimura

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RATIONALE Pulmonary disease caused by nontuberculous mycobacteria is generally reported to have a good prognosis. However, the actual mortality rate over time has not been reported in a large-scale survey. OBJECTIVES To determine the annual trend in mortality from nontuberculous mycobacteriosis, based on nearly four decades of patient data, and to(More)
BACKGROUND Identifying ongoing tuberculosis infection sites is crucial for breaking chains of transmission in tuberculosis-prevalent urban areas. Previous studies have pointed out that detection of local accumulation of tuberculosis patients based on their residential addresses may be limited by a lack of matching between residences and tuberculosis(More)
PURPOSE Comparison of TB incidence in young and middle age group between urban/surrounding area and other area. MATERIAL & METHODS TB incidence in young and middle age group by sex, nationality, labor status and prefecture is calculated with data of National Population Survey and TB surveillance in 2005. Risk factors of TB infection/break down such as(More)
INTRODUCTION We studied the characteristics and treatment outcomes of the following risk groups for tuberculosis (TB): those with HIV and diabetes mellitus (DM), contact cases, the homeless, foreigners, health care workers (HCW) and the elderly. METHOD A descriptive cross-sectional study was conducted by analysing the Japanese tuberculosis surveillance(More)
It is useful to know the distribution of pulmonary lesions in the diagnosis of tuberculosis on radiological examination. The aim of this study was to investigate if there is predominant lung segment or lobe for tuberculous lesions in infants aged less than one year using contrast enhanced CT. We studied 57 infants (40 boys, 17 girls) who were diagnosed as(More)
RATIONALE Since 2010, mycobacterial examination results have been used widely to survey nontuberculous mycobacteria (NTM) lung disease. OBJECTIVES To reveal the clinical and epidemiological status of NTM lung disease in Japan. METHODS All data on the isolation and identification of mycobacteria in 2012 and 2013 were obtained from three dominant(More)
The system of tuberculosis (TB) case-finding by mass miniature radiography (MMR) was established and expanded for almost all Japanese citizens in the 1950s. And, as stipulated by the TB Prevention Law, periodic mass screenings for schools, inhabitants, employees and institutions have been carried out. Among those aged over 25 years, the proportion of people(More)
The proportion of newly notified tuberculosis cases aged over 65 years has been rising and reached 49.2% in 2001. For this reason, the Ministry of Health, Labor and Welfare recommended in 1999 to give preventive therapy for tuberculosis to elderly persons with fibrous lesions on chest X-ray. However, our research pointed out many problems in the matter and(More)
To evaluate the usefulness of the COPD questionnaire of the International Primary Care Airways Group (IPAG) for screening the subjects with COPD in a given cohort, the questionnaires were given to subjects aged 40 or older, regardless of smoking habit at a general health check-up program in 4 institutions (Miyagi, Osaka, Okayama and Fukuoka) of the Japan(More)
BACKGROUND From 2003 through to 2004, an outbreak of tuberculosis was identified at a university campus in Yokohama City, located in the southern part of the Tokyo Metropolitan Area (TMA). All Mycobacterium tuberculosis (M. tuberculosis) strains detected with regards to this outbreak turned out to be Streptomycin resistant with matched patterns of 14 IS6110(More)