痰质量和数量对涂片和培养阳性率的影响：来自印度中部结核病患病率研究的结果。
Impact of sputum quality and quantity on smear and culture positivity: findings from a tuberculosis prevalence study in central India.
机构信息
Regional Medical Research Centre for Tribals (Indian Council of Medical Research), Nagpur Road, P.O. Garha, Jabalpur-482 003, Madhya Pradesh, India.
出版信息
Trans R Soc Trop Med Hyg. 2014 Jan;108(1):55-6. doi: 10.1093/trstmh/trt100. Epub 2013 Nov 24.
BACKGROUND
The objective of this study was to assess the impact of sputum quality and quantity on smear and culture positivity for Mycobacterium tuberculosis.
METHODS
A total of 14 708 sputum specimens, collected from respiratory symptomatics in a TB prevalence survey, were evaluated for gross appearance and volume of sputum and examined by smear microscopy and culture.
RESULTS
The smear and culture positivity increased with the quantity and the up gradation in quality of sputum, and the difference was significant.
CONCLUSION
The study highlights the importance of visual screening of sputum specimens in the detection of pulmonary TB particularly in resource limited settings.
背景
本研究旨在评估痰质量和数量对结核分枝杆菌涂片和培养阳性率的影响。
方法
对结核病患病率调查中收集的 14708 份呼吸道症状患者的痰标本进行了外观和痰量评估，并进行了涂片镜检和培养。
结果
涂片和培养阳性率随着痰量的增加和质量的提高而增加，差异具有统计学意义。
结论
该研究强调了在资源有限的情况下，通过肉眼筛选痰标本来检测肺结核的重要性。
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