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Related Concept Videos

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...
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...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...
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 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:

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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
10:04

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates

Published on: September 5, 2017

Tuberculosis research update.

W A Hanekom1, S D Lawn, K Dheda

  • 1South African Tuberculosis Vaccine Initiative, University of Cape Town, Cape Town, South Africa. willem.hanekom@uct.ac.za

Tropical Medicine & International Health : TM & IH
|June 22, 2010
PubMed
Summary

Tuberculosis (TB) poses significant global health challenges. This review updates research on four key obstacles: HIV-associated TB, drug resistance, diagnostics, and limited vaccine efficacy.

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Area of Science:

  • Public Health
  • Infectious Diseases
  • Microbiology

Background:

  • Tuberculosis (TB) remains a critical global health issue, with millions of new cases and deaths annually.
  • Progress in TB control faces significant hurdles, including the co-epidemic with HIV, the rise of drug-resistant strains, and limitations in current diagnostic tools and vaccines.

Purpose of the Study:

  • To provide a focused update on four critical areas of tuberculosis research.
  • To highlight key challenges and advancements in combating the global TB epidemic.

Main Methods:

  • Literature review of recent research in TB control.
  • Focused analysis of four key obstacles: HIV-associated TB, drug-resistant TB, diagnostic assays, and Bacille Calmette-Guerin (BCG) vaccination efficacy.

Main Results:

  • The review synthesizes current knowledge on the interplay between HIV and TB, the growing threat of drug-resistant TB, the urgent need for improved diagnostic methods, and the insufficient protection offered by the BCG vaccine.

Conclusions:

  • Addressing the challenges of HIV-associated TB, drug resistance, diagnostics, and vaccine efficacy is crucial for effective global TB control.
  • Continued research and innovation in these four areas are essential to overcome obstacles and reduce the burden of tuberculosis worldwide.