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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...
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...
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 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 III01:31

Pulmonary Tuberculosis III

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:
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...

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Recommendations on the Diagnosis and Treatment of Tuberculosis Infection: SEPAR/SEIMC/Spanish Ministry of Health Consensus Statement.

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Related Experiment Video

Updated: Jun 27, 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

[Multidrug-resistant tuberculosis].

Fernando Alcaide1, Miguel Santín

  • 1Servicio de Microbiología, IDIBELL-Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, España. falcaide@csub.scs.es

Enfermedades Infecciosas Y Microbiologia Clinica
|December 23, 2008
PubMed
Summary

Multidrug-resistant tuberculosis (MDR-TB) is a growing global health threat, with limited treatment success and increasing prevalence. Research and public health prioritization are crucial for combating drug-resistant TB strains.

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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

Related Experiment Videos

Last Updated: Jun 27, 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:

  • Microbiology
  • Infectious Diseases
  • Public Health

Context:

  • Global tuberculosis control is threatened by the emergence and spread of drug-resistant Mycobacterium tuberculosis strains.
  • Multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) are increasingly reported worldwide.
  • Spain faces an emerging MDR-TB problem, though its impact is currently limited.

Purpose:

  • To highlight the global threat posed by multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB).
  • To underscore the challenges in treating MDR-TB due to less effective and more toxic drugs, longer treatment durations, and reduced success rates.
  • To emphasize the need for high priority in global public health and biomedical research for drug-resistant tuberculosis.

Summary:

  • The World Health Organization (WHO) estimated nearly 500,000 MDR-TB cases in 2006, with XDR-TB reported in 45 countries.
  • Treatment of MDR-TB is complex, requiring less effective, more toxic drugs, longer treatment, and resulting in lower success probabilities.
  • MDR-TB and XDR-TB pose significant challenges, particularly in low-income, HIV-1 prevalent countries and in wealthy nations due to immigration.

Impact:

  • Drug-resistant tuberculosis demands urgent global public health attention and increased biomedical research efforts.
  • Effective strategies are needed to manage and treat MDR-TB and XDR-TB, especially in vulnerable populations.
  • Addressing drug-resistant TB is critical for achieving global tuberculosis control goals.