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Pulmonary infection and colonization with nontuberculous mycobacteria, Taiwan, 2000-2012.

ABSTRACT: We analyzed samples from 13,652 patients who had respiratory cultures positive for mycobacteria in Taiwan during 2000-2012 and found that 56.9% were positive for nontuberculous mycobacteria (NTM). Whereas annual prevalence of tuberculosis decreased during the study period, prevalence of NTM disease and colonization increased, particularly among older patients and male patients.

SUBMITTER: Chien JY

PROVIDER: S-EPMC4111185 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Costs Associated with Nontuberculous Mycobacteria Infection, Ontario, Canada, 2001-2012.

Project description:To determine incidence-based healthcare costs attributable to nontuberculous mycobacterial (NTM) pulmonary disease (PD) and NTM pulmonary isolation (PI), from the healthcare payer perspective, we conducted a population-based matched cohort study in Ontario, Canada. We established cohorts of patients with incident NTM-PD and NTM-PI during 2001-2012 by using individually linked laboratory data and health administrative data, matched to unexposed persons from the general population. To estimate attributable costs for acute and long-term illness, we used a phase-of-care approach. Costs were stratified by age, sex, and healthcare resource, and reported in 2018 Canadian dollars (CAD) and US dollars (USD), standardized to 10 days. Costs were highest during the before-death phase (NTM-PD CAD $1,352 [USD $1,044]; NTM-PI CAD $731 [USD $565]). The cumulative mean attributable 1-year costs were CAD $14,953 (USD $11,541) for NTM-PD and CAD $8,729 (USD $6,737) for NTM-PI. Costs for patients with NTM-PD and NTM-PI were higher than those for unexposed persons.

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Pulmonary Nontuberculous Mycobacteria, Ontario, Canada, 2020.

Project description:We measured annual prevalence of microbiologically defined nontuberculous mycobacterial lung disease in Ontario, Canada. Mycobacterium avium prevalence was 13 cases/100,000 persons in 2020, a 2.5-fold increase from 2010, indicating a large increase in true M. avium lung disease. During the same period, M. xenopi decreased nearly 50%, to 0.84 cases/100,000 persons.

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Project description: Not available

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Failure to recognize nontuberculous mycobacteria leads to misdiagnosis of chronic pulmonary tuberculosis.

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