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Related Concept Videos

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...
Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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...
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 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...

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Related Experiment Video

Updated: May 13, 2026

An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei
09:02

An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei

Published on: February 17, 2014

Tuberculosis and HIV coinfection.

Jacob M Gray1, David L Cohn

  • 1Division of Infectious Diseases, Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado 80045, USA. jakemgray@gmail.com

Seminars in Respiratory and Critical Care Medicine
|March 6, 2013
PubMed
Summary
This summary is machine-generated.

The human immunodeficiency virus (HIV) pandemic worsens tuberculosis (TB) globally, especially in Africa. Co-infected individuals require careful management, including timely antiretroviral therapy (ART), to improve survival and prevent drug resistance.

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Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
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Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment

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An In Vitro Model for Measuring Immune Responses to Malaria in the Context of HIV Co-infection
08:14

An In Vitro Model for Measuring Immune Responses to Malaria in the Context of HIV Co-infection

Published on: October 6, 2015

Related Experiment Videos

Last Updated: May 13, 2026

An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei
09:02

An Experimental Model to Study Tuberculosis-Malaria Coinfection upon Natural Transmission of Mycobacterium tuberculosis and Plasmodium berghei

Published on: February 17, 2014

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
07:21

Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment

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An In Vitro Model for Measuring Immune Responses to Malaria in the Context of HIV Co-infection
08:14

An In Vitro Model for Measuring Immune Responses to Malaria in the Context of HIV Co-infection

Published on: October 6, 2015

Area of Science:

  • Global Health
  • Infectious Diseases
  • Public Health

Background:

  • The human immunodeficiency virus (HIV) pandemic significantly increases tuberculosis (TB) incidence and mortality, particularly in sub-Saharan Africa.
  • HIV/TB coinfection presents diagnostic challenges due to atypical presentations and higher rates of extrapulmonary and smear-negative TB.
  • HIV infection elevates the risk of TB development and death, contributing to a substantial global disease burden.

Purpose of the Study:

  • To highlight the challenges in diagnosing and managing TB in HIV-infected individuals.
  • To emphasize the importance of integrated management strategies for TB and HIV coinfection.
  • To discuss the critical role of antiretroviral therapy (ART) timing in improving outcomes for coinfected patients.

Main Methods:

  • Review of current literature on TB/HIV coinfection epidemiology, diagnosis, and treatment.
  • Discussion of diagnostic advancements like nucleic acid amplification tests (e.g., Xpert MTB/RIF).
  • Analysis of treatment complexities, including drug interactions, toxicities, adherence, and immune reconstitution inflammatory syndrome (IRIS).

Main Results:

  • HIV significantly increases TB risk and mortality, with 82% of coinfections in sub-Saharan Africa.
  • Nucleic acid amplification tests improve rapid diagnosis of smear-negative and extrapulmonary TB.
  • Standard TB regimens are generally adequate, but intermittent dosing increases relapse risk; ART initiation is crucial for survival.

Conclusions:

  • Effective management of TB/HIV coinfection requires coordinated care, rapid HIV diagnosis, immune status assessment, and appropriate treatment for both infections.
  • Timely initiation of antiretroviral therapy (ART) during TB treatment is essential for improving survival in coinfected individuals.
  • Avoiding intermittent dosing in the intensive phase of TB treatment is critical to prevent relapse and acquired rifamycin resistance.