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Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

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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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Pulmonary Tuberculosis II01:28

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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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Pulmonary Tuberculosis V01:28

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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...
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Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

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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...
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Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

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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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Drug Dosing: Geriatric Patients01:15

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Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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Does tuberculosis threaten our ageing populations?

Rachel Byng-Maddick1, Mahdad Noursadeghi2

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The global population is aging, increasing the risk of tuberculosis (TB) in older adults. Targeted surveillance and tailored diagnostics are crucial for managing TB in the elderly.

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Area of Science:

  • Immunology
  • Epidemiology
  • Gerontology

Background:

  • The global population is rapidly aging.
  • Age-related immune system changes may reduce protection against active tuberculosis (TB).

Purpose of the Study:

  • To highlight the growing impact of aging on tuberculosis epidemiology and patient care.
  • To advocate for age-specific considerations in TB surveillance, diagnostics, and treatment.

Main Methods:

  • Analysis of global TB notification data.
  • Review of age-related changes in immune function and TB presentation.
  • Evaluation of diagnostic and treatment challenges in elderly TB patients.

Main Results:

  • Global surveillance indicates a rising age among active TB patients.
  • Aging complicates TB clinical manifestations, diagnosis, and treatment outcomes.
  • Elderly individuals face increased risks of adverse reactions to TB antimicrobial therapy.

Conclusions:

  • Future TB epidemiological surveillance, diagnostic development, and treatment trials must focus on aging populations.
  • Enhanced surveillance and risk stratification are needed for elderly TB patients, especially those with comorbidities or on immunosuppressants.
  • Novel diagnostics and treatments should be specifically designed for the elderly TB cohort.