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Setting: Retreatment tuberculosis (TB) patients in Zimbabwe are investigated using microscopy, Xpert ® MTB/RIF and culture + drug susceptibility testing (CDST). TB CARE I, a sputum transport service using motorcycles, was introduced to transport specimens between peripheral health facilities and laboratories, including National Reference Laboratories (NRLs). Objectives: To compare access to CDST and treatment outcomes among retreatment TB patients in facilities with and those without TB CARE I support. Design: This was a retrospective cohort study. Results: There were 187 patients from TB CARE I-supported facilities and 116 from non-TB CARE I facilities, with no difference in demographic characteristics. Altogether, specimens from 22 (12%) retreatment TB patients had successful CDST from TB CARE I facilities, which was not statistically significantly different from non-supported facilities ( n = 14, 12%; P = 0.94). The median number of days from sputum collection to receipt at the NRL was lower in TB CARE I facilities than in non-supported facilities (median 6, interquartile range [IQR] 4-8 vs. median 8, IQR 6-13.5; P = 0.000). Favourable treatment outcomes were documented in 65% of patients under TB CARE I, significantly more than among patients in non-supported facilities (47%, P &lt; 0.01). Conclusion: The process of sputum specimen collection for CDST was not different between TB CARE I and non-TB CARE I-supported health facilities, apart from a slightly shorter time. Ways to improve the current system are discussed.

Has TB CARE I sputum transport improved access to culture services for retreatment tuberculosis patients in Zimbabwe?