| چکیده انگلیسی مقاله |
Background: Tuberculosis continues to be a serious public health problem causing nearly three million deaths per year allover the world. Despite major improvement in diagnosis, it is not possible to control the disease in the absence of surveillancetreatment, and follow-up programs.Objectives: This research was designed to study the frequency of Mycobacterium tuberculosis among specimens referred tothe tuberculosis research laboratory in Qaem Hospital, Mashhad, North- East of Iran in 2005-2006. Materials and Methods: 3207 samples (1331 sputum, 1209 bronchial lavage, 69 ascitis aspirates, 52 urine samples, 30 CSFsamples, 25 joint aspirates and 15 wound secretions) were cultured according to standard procedure and examined microscopicallyusing Ziehl Neelsen staining method. Results: 536 samples (16.7%) recognized as positive for Mycobacterium tuberculosis. (bronchial lavage 18.6%, sputum 17%,gastric lavage 13.3%, CSF 10%, ascitis aspirates 7.2%, wound 6.25%, pleural aspiration 4.5%). No Mycobacterium tuberculosiswas found in urine samples and joint aspirates. Conclusion: Considering reported prevalence of 13 cases per 100,000 in the Iranian population, these results are acceptablebut more preventive measures should be sought for controlling TB. |
