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Related Concept Videos

Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

262
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...
262
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

311
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...
311
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

472
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...
472
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

581
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:
581
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

821
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...
821
Community Based Intervention01:30

Community Based Intervention

152
Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
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The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
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Community-based active case-finding interventions for tuberculosis: a systematic review.

Rachael M Burke1, Marriott Nliwasa2, Helena R A Feasey1

  • 1Clinical Research Department, Faculty of Infectious and Tropical Diseases, London School of Hygiene & Tropical Medicine, London, UK; Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Blantyre, Malawi.

The Lancet. Public Health
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PubMed
Summary
This summary is machine-generated.

Community-based active case-finding for tuberculosis may impact disease epidemiology. Effective interventions require high coverage and intensity, with robust evaluations to determine optimal strategies.

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Area of Science:

  • Public Health
  • Epidemiology
  • Infectious Disease Control

Background:

  • Community-based active case-finding (ACF) may improve tuberculosis (TB) detection over standard methods.
  • Assessing the impact of ACF on TB epidemiology in communities is crucial.

Purpose of the Study:

  • To evaluate the effect of active case-finding interventions on tuberculosis epidemiology.
  • To determine if ACF influences TB case notification rates, disease prevalence, and infection rates.

Main Methods:

  • Systematic review of studies comparing TB outcomes in populations exposed and unexposed to ACF.
  • Searched PubMed, Embase, Scopus, and Cochrane Library (1980-2020).
  • Extracted data on case notification rates, disease prevalence, and infection incidence/prevalence in children.

Main Results:

  • Inconsistent, low-quality evidence suggests ACF may increase notified TB cases in high-risk populations.
  • One trial showed no effect on TB prevalence, while another demonstrated reduced prevalence with universal sputum testing.
  • ACF interventions need high coverage and intensity to potentially alter TB epidemiology.

Conclusions:

  • Community-based ACF for TB shows potential for changing epidemiology and improving population health.
  • Effective ACF requires high coverage and intensity.
  • Future ACF projects should include robust evaluations to identify optimal delivery and diagnostic methods.