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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 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 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...
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 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:
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...

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Related Experiment Video

Updated: Jul 8, 2026

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

India's Revised National Tuberculosis Control Programme: looking beyond detection and cure.

A Kelkar-Khambete1, K Kielmann, S Pawar

  • 1Maharashtra Association of Anthropological Sciences, Centre for Health Research and Development, Pune, India.

The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease
|January 5, 2008
PubMed
Summary

Provider delays significantly impact access to tuberculosis care in India. Interventions supporting healthcare providers, like the public-private mix (PPM), are crucial for timely diagnosis and treatment initiation under the Revised National TB Control Programme (RNTCP).

Related Experiment Videos

Last Updated: Jul 8, 2026

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

Area of Science:

  • Public health
  • Infectious disease epidemiology
  • Health systems research

Background:

  • Timely access to tuberculosis (TB) care is essential for effective disease control.
  • Delays in diagnosis and treatment initiation contribute to disease progression and transmission.
  • Understanding the sources of delay within a national TB program is critical for improving patient outcomes.

Purpose of the Study:

  • To investigate the patient, diagnostic, and treatment delays in accessing directly observed treatment.
  • To identify the factors contributing to delayed entry into India's Revised National TB Control Programme (RNTCP).

Main Methods:

  • A study was conducted in Pune District, Maharashtra State, India.
  • Data were collected from 117 new sputum-positive TB patients using semi-structured interviews.
  • Analysis focused on patient, diagnostic, and provider delays.

Main Results:

  • Patient and diagnostic delays were minimal, indicating efficient performance within certain aspects of the National TB Programme.
  • Provider delays were a significant barrier, often requiring multiple patient contacts due to provider limitations.
  • Patients referred through the public-private mix (PPM) showed higher rates of suspicion and referral to the RNTCP.
  • Once enrolled in the RNTCP, diagnosis and treatment initiation were rapid (average 7 days).

Conclusions:

  • Improving patient access to TB care hinges on interventions targeting healthcare providers.
  • Encouraging early suspicion and referral by providers, facilitated by models like PPM, is more impactful than focusing solely on patient-side delays.
  • Strengthening provider capacity is key to optimizing the RNTCP's reach and effectiveness.