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Tuberc Respir Dis. 1995 Jun;42(3):295-301. Korean. Original Article.
Song JY , Yoo MK , Hong JR , Man Jeong J , Kim YJ , Kim MS .
National Kongju Tuberculosis Hospital, Kongju, Korea.

BACKGROUND: The serious problems in retreatment of pulmonary tuberculosis are a significant proportion of drug resistance. Preferably retreatment should contain the drugs which has never used before, so drug retreatment is limited in selection. A new antibacterial substance, ofloxacin(OFX) is the activity against mycobacterium tuberculosis and it has been used in the treatment of pulmonary tuberculosis. The present report concerns the result of retreatment of pulmonary tuberculosis patients containing OFX treated at National Kongju Tuberculosis Hospital. METHOD: A retrospective study was made through the regular follow up of 92 smear positive cases, who were treated by four drugs regimen between Mar 1991 and June 1994 at National Kongju Tuberculosis Hospital. Four drugs were, namely prothionamide, cycloserine, ofloxacin and streptomycin(kanamycin or tuberactinomycin). The duration of follow up was over one year. RESULTS: 1) Out of 92 cases with positive sputum AFB smear, 67(73%) achieved the negative conversion. 2) Considering the negative sputum conversion in all the groups, the vast majority(85%) of sputum conversion occurred within the first 4 months. 3) The roentgenological improvement occurred in 49 percent on the whole and when the extent of disease was minimal, moderately, far advanced pulmonary tuberculosis, sputum AFB smear negative response to retreatment was 100%, 93%, 68%, respectively. 4) When the duration of patient's illness was less than 1 year, 1 to 3 years, 3 to 5 years and more than 5 years, sputum AFB smear negative response to retreatment was 87%, 76%, 65% and 55%, respectively. 5) Adverse reaction to prothionamide, with complaints of gastrointestinal troubles was common and hepatic dysfunction without jaundice was observed in 7 percent, convulsion in 1 percent, that to cycloserine occurred renal dysfunction & psycosis & convulsion, 2%, 1%, 1%, respectively. Tinnitus with KM occurred in 1% and dirrhea with OFX in 4%. CONCLUSION: The duration of patient's illness was shorter, sputum AFB smear negative response rate was better. Radiologic responses were not remarkable, but extent of disease by national tuberculosis association was smaller, the result of retreatment was better. Adverse reaction of the secondary antituberculosis agent was mainly observed gastrointestinal troubles, as regard to tolerance to the secondary drugs the role of the physician is of very important value and toxic effects can be overcome by the strong confidence.

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