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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 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 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 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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Related Experiment Video

Updated: May 8, 2026

An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis
09:34

An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis

Published on: August 16, 2021

Salvage therapy for multidrug-resistant tuberculosis.

K J Seung1, M C Becerra, S S Atwood

  • 1Division of Global Health Equity, Brigham and Women's Hospital, Boston, MA, USA; Socios En Salud and Partners In Health, Lima, Perú

Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases
|September 3, 2013
PubMed
Summary

Salvage therapy for multidrug-resistant tuberculosis (MDR-TB) can achieve culture conversion in 30.5% of patients. Regimens including moxifloxacin significantly improved outcomes, suggesting its use in both salvage and initial MDR-TB treatment.

Keywords:
Culture conversionPerumoxifloxacinmultidrug-resistant tuberculosis

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The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

Related Experiment Videos

Last Updated: May 8, 2026

An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis
09:34

An Automated Culture System for Use in Preclinical Testing of Host-Directed Therapies for Tuberculosis

Published on: August 16, 2021

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis
23:06

The MODS method for diagnosis of tuberculosis and multidrug resistant tuberculosis

Published on: August 11, 2008

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pharmacology

Background:

  • Multidrug-resistant tuberculosis (MDR-TB) treatment is challenging, especially in resource-limited settings.
  • Limited options exist for patients with persistent positive sputum cultures despite second-line drugs.
  • Salvage therapy combines new and existing drugs as a final treatment attempt.

Purpose of the Study:

  • To evaluate the outcomes of salvage therapy in Peruvian patients with MDR-TB.
  • To identify factors associated with successful culture conversion in salvage therapy.

Main Methods:

  • Retrospective evaluation of 213 Peruvian patients undergoing salvage therapy for MDR-TB.
  • Analysis of salvage regimen composition, including the number and types of new and previously used drugs.
  • Assessment of culture conversion rates and associated factors.

Main Results:

  • Culture conversion was achieved in 30.5% of patients.
  • Salvage regimens included a median of two new drugs and nine total drugs.
  • Moxifloxacin was the most frequently used new drug and was significantly associated with culture conversion (OR 2.2; p=0.02).

Conclusions:

  • Moxifloxacin should be considered for salvage therapy and initial MDR-TB treatment to maximize cure chances.
  • New TB drugs are often first used in salvage therapy cohorts.
  • Close bacteriological monitoring of these patients is crucial for optimizing new drug utilization.