相关实验视频
Updated: Jul 26, 2025
09:03
Growth of Mycobacterium tuberculosis Biofilms
Published on: February 15, 2012
23.9K
在结核病上对Stenotrophomonas maltophilia的影响
Yue Li1, Ailan Zhao2, Qin Yu2
1State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Centre for Disease Control and Prevention, Beijing, China.
Microbiology spectrum
|June 12, 2023
概括
发现一种多抗药性细菌,Stenotrophomonas maltophilia,在中国共感染结核病患者. 这种共感染可以干扰结核病诊断和药物敏感性测试,可能会使患者的结果恶化.
科学领域:
- 微生物学 微生物学
- 传染性疾病 传染性疾病
- 临床诊断 临床诊断 临床诊断
背景情况:
- 结核病 (TB) 仍然是一个重大的全球卫生挑战,特别是在像中国这样的高负担国家.
- 准确的诊断和有效的治疗对于控制结核病至关重要.
- 像Stenotrophomonas maltophilia这样的新兴多药耐药 (MDR) 生物对公众健康构成越来越大的威胁.
研究的目的:
- 调查结核病患者中Stenotrophomonas maltophilia联合感染的存在和影响.
- 评估S. maltophilia对Mycobacterium tuberculosis (Mtb) 的隔离和药物敏感性测试 (AST) 的影响.
主要方法:
- 从Mtb培养物中分离和鉴定S. maltophilia.
- 在Löwenstein-Jensen (L-J) 斜体上进行S. maltophilia和Mtb的共同培养实验.
- 评估S. maltophilia对抗结核病药物的耐药性.
- 结核病患者的小规模监测,以确定隔离率.
主要成果:
- 从Mtb培养物中分离出S. maltophilia,发现它可以抑制Mtb的生长.
- 这种细菌抵御了12种抗结核药物中的10种,并干扰了AST,可能不准确地表明了MDR-TB.
- 一项监测研究显示,结核病患者的隔离率为6.74%,S. maltophilia的存在往往未被检测到.
结论:
- 结核病患者的共同感染因子,可使诊断和治疗复杂化.
- 由于S. maltophilia对AST的干扰,因此需要在临床结核病检测中提高认识和改进共感染的检测方法.
- 需要进一步的研究,以了解S. maltophilia对结核病进展和患者结果的全部影响.
更多相关视频
10:04Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
18.9K
09:34An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis
Published on: August 16, 2021
1.9K
相关概念视频
01:28Pulmonary Tuberculosis II
281
Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
281
01:28Pulmonary Tuberculosis V
214
Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the...
214
01:26Pulmonary Tuberculosis IV
175
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...
175
01:29Pulmonary Tuberculosis I
287
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
287
01:31Pulmonary Tuberculosis III
382
Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
The first classification is based on the development of the disease, and it includes the following categories:
382
01:30Bacterial Phylum Actinobacteria
40
Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
40