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Related Concept Videos

Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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 progression...
Clinical Significance of Antibiotic Resistance01:25

Clinical Significance of Antibiotic Resistance

Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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...
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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...
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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...

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The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

Trends in multidrug-resistant tuberculosis in Scotland, 2000-7.

L F Anderson1, I F Laurenson, O Blatchford

  • 1Department of Public Health Sciences, University of Edinburgh, Edinburgh, UK. laura_f_anderson@hotmail.com

Euro Surveillance : Bulletin Europeen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin
|March 26, 2009
PubMed
Summary

Multidrug-resistant tuberculosis (MDR TB) cases in Scotland are primarily linked to international transmission, highlighting the need for global control efforts. Improved directly observed treatment (DOT) and extended follow-up are crucial for managing MDR TB in Scotland.

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Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray
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Last Updated: Jun 24, 2026

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray
07:35

Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray

Published on: April 25, 2014

Area of Science:

  • Public Health
  • Infectious Diseases
  • Epidemiology

Background:

  • Multidrug-resistant tuberculosis (MDR TB) incidence rose in the UK and Scotland in 2007.
  • Previous studies identified MDR TB risk factors in the UK, but not specifically in Scotland.

Purpose of the Study:

  • To examine demographic, clinical characteristics, and treatment outcomes of MDR TB cases in Scotland (2000-2007).
  • To identify risk factors and inform control strategies for MDR TB in Scotland.

Main Methods:

  • Utilized Enhanced Surveillance of Mycobacterial Infections (ESMI) data.
  • Analyzed 11 culture-positive MDR TB cases notified in Scotland between 2000 and 2007.

Main Results:

  • Five MDR TB cases were notified in 2007.
  • Most patients were young (15-44 years), female, unemployed, and born outside the UK, with recent travel/arrival from high-incidence regions.
  • Unlike UK findings, a history of previous TB diagnosis was not a significant risk factor in this Scottish cohort.

Conclusions:

  • Findings suggest primary resistance due to MDR TB transmission in high-incidence countries, emphasizing international control efforts.
  • Recommendations include increasing directly observed treatment (DOT) and extending follow-up for MDR TB patients in Scotland.
  • Identifying high-risk groups is essential for effective community-based disease control.