Smear positive extra pulmonary tuberculosis disease at University of Gondar Hospital, Northwest Ethiopia

BMC Research Notes

Baye Gelaw¹  Tewodros Debebe³  Wogahta Tesfay²  Belay Anagaw¹  Yohannes Zenebe³ 

[1] Department of Medical Microbiology, School of Biomedical and Laboratory Sciences; College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia;Department of Pathology, School of Medicine; College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia;Department of Microbiology, Immunology and Parasitology, College of Medicine and Health Sciences, Bahir Dar University, Bahir Dar, Ethiopia

关键词: Northwest Ethiopia;    Acid fast bacilli;    Extra pulmonary tuberculosis;   

Others  :  1144994
DOI  :  10.1186/1756-0500-6-21

 received in 2012-09-20, accepted in 2013-01-09,  发布年份 2013

【 摘 要 】

Background

While pulmonary tuberculosis is the most common presentation, extra pulmonary tuberculosis is also an important clinical problem. However, no adequate information had been made available on the prevalence of smear positive extra pulmonary tuberculosis in Gondar. The aim of this study was to assess the prevalence and possible risk factors of smear positive extra pulmonary tuberculosis among suspected patients at University of Gondar Hospital.

Methods

A cross-sectional study on extra pulmonary tuberculosis suspected patients was conducted at University of Gondar Hospital from January 2012 to April, 2012. Specimens of patients suspected of extra pulmonary tuberculosis were obtained from fine needle aspiration and body fluid samples collected by pathologist. Demographic characteristics and other variables were collected using a pretested semi-structured questionnaire. Smears were prepared from each sample and stained by Ziehel Neelson and Wright stain. The result of the study was analyzed with bivariate and multivariate logistic regression.

Result

A total of 344 extra pulmonary tuberculosis suspected clients were included in the study and specimens were taken from lymph node aspirates and body fluids. The overall prevalence of smear positive extra pulmonary tuberculosis was 34 (9.9%). Of these cases of extra pulmonary tuberculosis, lymph node tuberculosis constituted the largest proportion (82.4%). Among the 34 extra pulmonary tuberculosis patients, over half of them (52.9%) were positive for human immunodeficiency virus. The largest proportion of tuberculosis and human immunodeficiency virus cases occurred among persons with in the age group of 31–40 years. Previous history of tuberculosis (OR = 4.77, 95% CI 1.86-12.24), contact to a known tuberculosis cases (OR = 6.67 95% CI 2.78-16.90), history of underlying diseases (OR = 2.79 95% CI 1.15-6.78) and income (OR = 12.9 95% CI 2.25-68.02) were significantly associated with extra pulmonary tuberculosis infection.

Conclusion

The prevalence of smear positive extra pulmonary tuberculosis infection in Gondar is high. Screening of lymph node and other body fluid specimens for extra pulmonary tuberculosis could help for treatment, control and prevention of the disease.

【 授权许可】

   
2013 Zenebe et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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