SEARCHED TERM
Retreatment case
DEFINITION
Person previously treated for tuberculosis, who has received one month or more of anti-tuberculosis drugs in the past. The current preferred term is ‘previously treated patient’.
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SOURCE DEFINITION
Patient previously treated for TB, who is started on a re-treatment regimen after previous treatment has failed (treatment after failure), who returns to treatment having previously defaulted (see below; treatment after default), or who was previously declared cured or treatment completed and is diagnosed with bacteriologically positive (sputum smear or culture) TB (relapse).
OTHER DEFINITIONS
Patient previously treated for tuberculosis, undergoing treatment for a new episode, usually of bacteriologically-positive tuberculosis
Three types of retreatment case: (i) patient previously treated for TB, who is started on a retreatment regimen after previous treatment has failed (treatment after failure); (ii) patient previously treated for TB who returns to treatment having previously defaulted; and (iii) patient who was previously declared cured or treatment completed and is diagnosed with bacteriologically-positive (sputum smear or culture) TB (relapse)
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