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HIV testing in US tuberculosis care settings: a survey of current practice and perceived barriers.

CONTEXT
Extent of and challenges to implementation of the Centers for Disease Control and Prevention (CDC) 2006 recommendation for routine HIV testing have not been reviewed specifically within tuberculosis (TB) care settings.


OBJECTIVE
To determine current adherence to the CDC's HIV testing recommendations in TB care settings and identify barriers.


DESIGN
An online survey was designed and distributed via Survey Monkey.


SETTING
The 2011 National TB Conference attendees, National TB Nurse Controllers, and the CDC's TB-educate mailing list were invited to participate via e-mail.


PARTICIPANTS
A total of 153 respondents from US states: 30 physicians, 91 nurses, 19 public health practitioners, and 13 other.


MAIN OUTCOME MEASURES
Perceived importance of HIV testing, current HIV testing practices, perceived barriers to HIV testing, and understanding of state HIV testing laws.


RESULTS
One hundred forty-one of 153 (92.2%) reported that patients with TB disease were "always" or "almost always" HIV tested; 65 of 153 (42.5%) reported the same for patients with latent TB infection (LTBI). Among those not routinely testing LTBI patients, "patient refusal of test" (53/88; 60.2%), "cost" (41/88; 46.6%), and "prevalence too low to justify" (33/88; 37.5%) were the most commonly identified barriers to opt-out testing. Forty-seven of 59 providers (79.7%) who reported that their state required written consent for HIV testing had incorrect knowledge regarding HIV testing legislation.


CONCLUSIONS
Rates of HIV testing are high for patients with TB disease, but fewer than half of providers' care settings routinely test LTBI patients. Knowledge of HIV status is required to appropriately interpret TST results and make decisions regarding treatment in TB infection, since HIV coinfection increases risk of progression to active TB. Lack of HIV testing in LTBI patients represents a missed opportunity to prevent TB disease and its resultant morbidity and mortality. In addition, incorrect knowledge regarding testing legislation was a common problem among our TB providers. Further work is necessary to improve HIV testing rates in patients who have not yet progressed to active TB disease.