AMK, amikacin; AMX, amoxicillin; CAP, capreomycin; CIP, ciprofloxacin; CLA, clavulanic acid; CLM, clarithromycin; CYS, cycloserine; DS, drug sensitive; DR, drug resistant; DST, drug susceptibility testing; EMB, ethambutol; EPTB, extrapulmonary tuberculosis; ETH, ethionamide; INH, isoniazid; KAN, kanamycin; LVX, levofloxacin; LZD, linezolid; mXf, moxifloxacin; OFX, ofloxacin; PAS,
para-aminosalicylic acid; PTB, pulmonary tuberculosis; PZA, pyrazinamide; RIF, rifampin; STR, streptomycin; TB, tuberculosis; U, unknown; XDR TB, extensively drug- resistant tuberculosis; -, negative; +, positive.
Some drugs, such as capreomycin,
para-aminosalicylic acid (PAS), amoxicillin-clavulanic acid and clarithromycin are reserve drugs for the management of XDR TB cases.
in December 1987, a chest radiograph obtained from one of his brothers indicated a small patchy lesion in the right upper lobe; this brother had a history of tuberculous pleural effusion in 1955 for which he was treated with isoniazid (INH),
para-aminosalicylic acid, and streptomycin for an unknown duration.
DST was conducted for 10 drugs: rifampin (1.0 [micro]g/mL); isoniazid (0.2, 1.0, and 5.0 [micro]g/mL); ethambutol (5.0 [micro]g/mL); ofloxacin (2.0 [micro]g/mL); ciprofloxacin (2.0 [micro]g/mL); kanamycin (5.0 [micro]g/mL); capreomycin (10.0 [micro]g/mL); amikacin (4.0 [micro]g/mL);
para-aminosalicylic acid (2.0 [micro]g/mL); and ethionamide (10.0 [micro]g/mL).