Ambulatory treatment of multidrug-resistant pulmonary tuberculosis patients at a chest clinic
OBJECTIVE: To evaluate treatment outcomes and contributing factors.
DESIGN: A review of clinical records of 1011 pulmonary MDR-TB patients retreated with individualised regimens selected on the basis of previous chemotherapy and drug susceptibility testing from 1988 to 1996.
RESULTS: The patients (mean age 38.6 years) had resistant organisms to an average of 3.7 drugs and were retreated with an average of 4.2 drugs which they had previously not taken and to which they were susceptible. Treatment outcomes were as follows: 487 cases (48.2%) cured, 82 (8.1%) failed, 394 (39.0%) defaulted, 45 (4.5%) transferred out, and three (0.3%) died. The treatment efficacy among those who completed chemotherapy was 85.6%. In a multivariate analysis favourable response was significantly associated with a greater number of newly prescribed drugs in the regimen to which they were susceptible (odds ratio [OR] 3.6; 95% confidence interval [CI] 1.3–9.5), younger age (OR 2.0; 95%CI 1.1–3.9), and a lower number of drugs to which they were resistant (OR 1.8; 95%CI 1.1–3.1). The case fatality rate, including the follow-up period, was 1.7% (17 cases).
CONCLUSION: The cure rate of MDR-TB patients treated at an out-patient clinic was 48.2% due to a high defaulter rate (39.0%). However, 85.6% of those who completed treatment were cured.
Document Type: Regular Paper
Affiliations: Korean Institute of Tuberculosis, Korean National Tuberculosis Association, Seoul, Korea
Publication date: 2001-12-01
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