相关实验视频
Updated: Jul 15, 2025

13:28
Methodology for Sputum Induction and Laboratory Processing
Published on: December 17, 2017
27.7K
在结核病显微镜检查的唾液涂抹染色过程中对过纸的使用进行了受控评估
Nataly Bailon1,2, Eric Ramos1,2, Keren Alvarado1,2
1IFHAD: Innovation For Health And Development, Universidad Peruana Cayetano Heredia LID 416, Lima, Peru.
Wellcome open research
|September 28, 2023
概括
在结核病 (TB) 唾液涂抹显微镜中使用过纸显著降低了测试灵敏度. 这项研究没有发现任何好处,建议不要在结核病诊断中使用它.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 诊断病理学的诊断病理学
背景情况:
- 唾液涂抹显微镜对于诊断结核病 (TB) 是至关重要的.
- 一些协议建议在染色时使用过纸,但缺乏证据.
- 这项研究旨在评估过纸对结核病涂抹显微镜的影响.
研究的目的:
- 为了评估过纸对唾液涂抹显微镜检测结果的过纸的影响,用于检测Mycobacterium结核病.
- 通过显微镜来确定过纸是否能提高或阻碍结核病诊断的准确性.
主要方法:
- 使用了30名结核病患者和4名对照组的唾液样本.
- 使用Ziehl-Neelsen,auramine或光素二酸盐 (FDA) 来染色涂抹.
- 在染色之前,过纸被涂在半个幻灯片上;AFB计数和涂抹质量被评估.
主要成果:
- 过纸显著降低了显微镜阳性 (p=0.01) 和涂抹等级 (p=0.04).
- 由于使用过纸 (p=0.04),酸敏细菌 (AFB) 的数量减少了 (p=0.04).
- 奥拉胺染色显示出比Ziehl-Neelsen更高的灵敏度;FDA的灵敏度较低.
结论:
- 过纸降低了酸快细菌 (AFB) 显微镜用于结核病检测的灵敏度.
- 没有观察到过纸的有益影响.
- 过纸不建议用于结核病诊断中的唾液涂抹显微镜.
关键词:
青胺 (Auramine) 是一种过纸是一种过纸.这就是Ziehl Neelsen.酸性-快速的菌光素二甲酸盐的光素二甲酸盐显微镜 显微镜是指使用显微镜.唾液涂抹是为了检查唾液.结核病是一种肺结核病.更多相关视频
相关概念视频
Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture
225
Sputum studies are a critical part of diagnosing and treating numerous respiratory conditions. These studies involve obtaining sputum samples for analysis to identify pathogenic organisms and assess the presence of abnormal cells indicative of malignant conditions. This lesson will delve into three fundamental sputum studies: Gram Stain, Cytology, and Acid-fast Smear and Culture.
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
Gram Stain
The Gram Stain is an integral part of sputum studies. It involves the staining of sputum, which permits...
225
Sputum Studies II: Culture and Sensitivity
377
Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
377
Pulmonary Tuberculosis IV
157
Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
157
Filtration
854
Filtration is a physical separation process that involves passing a suspension through a porous medium to separate solids from fluids. During filtration, solids collect on the porous medium while liquids, also collectively known as the filtrate, pass through. The filtration medium is selected based on the filtration purpose, quantity, and nature of the precipitate. The general criteria for a suitable filtering medium are that it is inert, mechanically strong, nonabsorbent toward dissolved...
854

