Mycobacterium tuberculosis susceptibility in Saudi Arabia.
OBJECTIVE: To present the available susceptibility data of Mycobacterium tuberculosis (M. tuberculosis) isolates from the Kingdom of Saudi Arabia (KSA) published in peer-reviewed journals. METHODS: In a meta-analysis, studies published between 1966 and 2001 were included. Publication sites include Medline-indexed and non-indexed. Numbers of grown and resistant isolates were tabulated for first-line anti-tuberculosis agents. RESULTS: Twelve studies met the pre-set criteria. Data on 6,316 isolates between 1979 and 2000 were available. Resistance to at least one agent of the first-line anti-tuberculosis agents was 18.4%. Monoresistance to a single first-line agent was found in 10.9%, while polyresistance was noted in 7.6%. Multidrug-resistant M. tuberculosis was noted in 5.7% of all isolates. Resistance to isoniazid was most common noted in 11% of isolates. Resistance rates to other agents were: rifampin 9.7%, streptomycin 9.1%, pyrazinamide 3.1%, and ethambutol 2.5%. The overall resistance rate to at least one agent was not statistically different in isolates grown between 1979-1991 (18.5%) and 1989-2000 (18.3%). There were large regional variations and higher resistance rates in the Western and Southern regions. CONCLUSION: Mycobacterium tuberculosis resistance rates to first-line antituberculosis agents and multidrug-resistant M. tuberculosis are high in KSA. A survey and monitoring program for drug-resistant tuberculosis will determine resistance rates at the community level.[1]References
- Mycobacterium tuberculosis susceptibility in Saudi Arabia. Alrajhi, A.A., Al-Barrak, A.M. Saudi medical journal. (2002) [Pubmed]
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