tailieunhanh - Alberta Health and Wellness Public Health Notifiable Disease Management Guidelines: Tuberculosis (TB)

Citizenship and Immigration Canada (CIC): All immigration applicants, refugees or students who plan to remain in the country for more than six months, and certain visitors are required to undergo an immigration medical at their point of application. Those applying from outside of Canada, with evidence of active disease are denied entry until treatment has been completed. Individuals who do not have active disease but have a past history of TB and those who have evidence of past disease on their chest x-ray are reported to AHS Central TB Services. As a condition of entry, these individuals are required to. | January 2011 Alberta Health and Wellness Public Health Notifiable Disease Management Guidelines Tuberculosis TB Case Definition Confirmed Case Demonstration on culture of Mycobacterium M. tuberculosis complex specifically M. tuberculosis M. africanum M. canetti M. caprae M. microti M. pinnipedii or M. bovis excluding BCG strain OR In the absence of culture proof cases clinically compatible with active TB that have for example chest x-ray changes compatible with active TB active non-respiratory TB meningeal bone kidney peripheral lymph nodes etc. pathologic or post-mortem evidence of active TB or favourable response to therapeutic trial of anti-TB drugs. Clinical Case Clinical findings compatible with active TB in the absence of bacterial proof. Examples of clinical findings Chest radiograph changes compatible with active TB including idiopathic pleurisy with effusion OR Active extrapulmonary TB meningeal bone kidney peripheral lymph nodes etc. OR Pathologic or post-mortem evidence of active TB. Suspect Probable Case High index of suspicion of TB in whom empiric treatment is being contemplated. New Case No documented evidence or history of previously active TB. Retreatment Case 1 Documented evidence or adequate history of previously active TB that was declared cured or treatment completed by current standards AND At least 6 months have passed since the last day of previous treatment 2 AND Diagnosed with a subsequent episode of TB that meets the active TB case definition OR Documented evidence or adequate history of previously active TB that cannot be declared cured or treatment completed by current standards AND Inactive 3 for 6 months or longer after the last day of previous treatment 2 AND Diagnosed with a subsequent episode of TB which meets the active TB case definition. 1 of 12 Government of Alberta Alberta Health and Wellness Public Health Notifiable Disease Management Guidelines Tuberculosis January 2011 1 Prior to 2008 in Canada re-treatment cases were known