Volume 6, Number 5—October 2000
Dispatch
Double infection with a Resistant and a Multidrug-Resistant Strain of Mycobacterium tuberculosis
Table
Treatment | Therapy | Susceptibility testing | |||||
---|---|---|---|---|---|---|---|
Months | Hospital | Regimen | Culture | Culture obtained | Current resistance pattern | Time delay (months)b | Spoligotype |
0 | A/B | H, R, E,c Z | pos. | 02/28/96 | H, S | 2 | type I |
1 | B | H, R, Z | pos. | 03/17/96 | H, S | 2 | type I |
2 | B | H, R, E, Z | neg. | - | - | - | - |
3 | B | H, R, E, Z | neg./pos. | - | n.d. | - | n.d. |
4 | C | H, E, Pt | pos. | 06/06/96 | H, S, R, (E), (Rb) | 2 | type II |
5 | D | R, E, Z | pos. | 07/12/96 | H, S, R, (E), (Rb) | 2 | type II |
6 | D | E, Z, Rb, Of | pos. | - | n.d. | - | n.d. |
7-12 | D | E, Z, Rb, Pt | pos. | - | n.d. | - | n.d. |
13 | D | E, Z, Rb, Pt | pos. | 03/15/97 | H, S, R, E, Rb, Pt | 1 | type II |
14-18 | D | Z, Pt, Ci | pos. | 04/25/97 | H, S, R, E, Rb, Pt, Z | 5 | type II |
19 | D | Z, Pt, Rb, Ci | pos. | - | n.d. | - | n.d. |
20-21 | D | Rb, Ci, Am, Pa | pos. | - | n.d. | - | n.d. |
22-24 | D | Rb, Ci, Am, Pa, Cl | pos. | - | n.d. | - | n.d. |
25-28 | D | Rb, Ci, Am, Pa, Cl | pos./neg. | 02/18/98 | H, S, R, E, Rb, Pt Z, Pa | 4 | type II |
29-32 | D | Rb, Ci, Am, Pa, Cl | pos. | 06/23/98 | H, S, R, E, Rb, Pt, Z, Pa, Am | 4 | type II |
33 | D | Rb, Ci, Cl, Ca | pos. | - | n.d. | - | n.d. |
aAbbreviations and symbols: H, isoniazid; S, streptomycin; R, rifampin; E, ethambutol; Rb, rifabutin; Pt, protionamide; Z, pyrazinamide; Pa, p=aminosalicylic acid; Am, amikacin; Of, ofloxacin, Ci, ciprofloxacin; Cl, clofazimine; Ca, capreomycin; borderline results are shown in parentheses; pos., positive culture result; neg., negative culture result; n.d., not determined.
b Time between the date on which the specimen was obtained and the date on which the drug-susceptibility pattern was available for the clinician (drug-susceptibility testings were not always performed directly after the cultures were grown but were done retrospectively).
cE was given in the first 4 days of therapy only.
Page created: December 17, 2010
Page updated: December 17, 2010
Page reviewed: December 17, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.