The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease · 2001
Drug-resistant tuberculosis in foreign-born persons from Mexico, the Philippines, and Vietnam-United States, 1993-1997.
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Granich R M, Moore M, Binkin N J, Mcray E
Аннотация
SETTING: Foreign-born persons in the United States represent a growing proportion of the nation's tuberculosis (TB) cases.
OBJECTIVE: To characterize drug resistance patterns in foreign-born TB patients from the three most common birth countries.
DESIGN: A descriptive analysis of national TB surveillance data for 1993-1997. TB case reports for foreign-born persons who were at least 15 years old and born either in Mexico (6221), the Philippines (3624), or Vietnam (3351) were included.
RESULTS: Among those with no prior history of TB, the proportions with isoniazid-resistant TB and MDR-TB (resistance to at least isoniazid and rifampin) were 9.2% and 1.6% for persons from Mexico, 13.7% and 1.4% for those from the Philippines, and 17.8% and 1.4% for those from Vietnam. Levels of isoniazid resistance and MDR-TB did not change during the 5-year study period. Levels of isoniazid resistance decreased with older age for persons with no prior TB from all three countries; however, rates of MDR-TB did not vary with age. Persons with <1 year of residence in the US were more likely to have MDR-TB; however, duration of residence in the US was not associated with isoniazid resistance.
CONCLUSION: Increased drug resistance in younger and more recent arrivals suggests that vigorous efforts to prevent further development of MDR-TB in the three countries are essential.
OBJECTIVE: To characterize drug resistance patterns in foreign-born TB patients from the three most common birth countries.
DESIGN: A descriptive analysis of national TB surveillance data for 1993-1997. TB case reports for foreign-born persons who were at least 15 years old and born either in Mexico (6221), the Philippines (3624), or Vietnam (3351) were included.
RESULTS: Among those with no prior history of TB, the proportions with isoniazid-resistant TB and MDR-TB (resistance to at least isoniazid and rifampin) were 9.2% and 1.6% for persons from Mexico, 13.7% and 1.4% for those from the Philippines, and 17.8% and 1.4% for those from Vietnam. Levels of isoniazid resistance and MDR-TB did not change during the 5-year study period. Levels of isoniazid resistance decreased with older age for persons with no prior TB from all three countries; however, rates of MDR-TB did not vary with age. Persons with <1 year of residence in the US were more likely to have MDR-TB; however, duration of residence in the US was not associated with isoniazid resistance.
CONCLUSION: Increased drug resistance in younger and more recent arrivals suggests that vigorous efforts to prevent further development of MDR-TB in the three countries are essential.