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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)
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)
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)
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)
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)
OBJECTIVE To observe the trends and methods of tuberculosis (TB) detection in different occupations; to estimate the incidence of TB among nurses, and calculate the relative risk by comparing with the aged-matched general population; and to estimate the incidence of TB and relative risk also for teachers and doctors. MATERIALS AND METHODS The background(More)
OBJECTIVES The objectives were to examine Mycobacterium tuberculosis transmission patterns by RFLP analysis in Shinjuku city, and to elucidate more effective methods of contact investigations. METHODS We applied RFLP analysis to 389 M. tuberculosis isolates from 402 TB patients registered in Shinjuku city from September 2002 though August 2006. RESULTS(More)
OBJECTIVE Despite the decreasing trend in tuberculosis (TB) cases reported within the general population, TB incidence remains high in certain high-risk groups in Japan. Many of the previous discussions and studies have concentrated mainly on the elderly and those with clinical risks; however, no comprehensive evaluation has been conducted to date. Our(More)