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Related Concept Videos

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:
445
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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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 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 V01:28

Pulmonary Tuberculosis V

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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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Sputum Studies II: Culture and Sensitivity01:20

Sputum Studies II: Culture and Sensitivity

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Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
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Related Experiment Video

Updated: Sep 12, 2025

Multi-Modal Home Sleep Monitoring in Older Adults
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Non-tuberculous micobacteria in the elderly. Multicentric study.

I Gonzalez-Munoz1, M V Leal Arranz2, J A Garcia Fuentes3

  • 1Pneumology Service, Hospital Universitario Cruces, Barakaldo, Bizkaia, Spain; Bioinformatics and Statistics Unit, Biobizkaia Health Research Institute, Barakaldo, Spain.

Respiratory Medicine
|August 7, 2025
PubMed
Summary
This summary is machine-generated.

Older adults have a higher incidence of nontuberculous mycobacterial (NTM) isolation and NTM pulmonary disease (NTM-PD). Despite less aggressive management, their cure rates remain comparable to younger patients.

Keywords:
ElderlyImmunosuppressionNTM

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Area of Science:

  • Infectious Diseases
  • Pulmonology
  • Geriatrics

Background:

  • Nontuberculous mycobacterial (NTM) pulmonary disease is a growing concern, especially in individuals with compromised lung health, weakened immune systems, and older age.
  • Understanding the specific impact on the elderly population is crucial for public health initiatives.

Purpose of the Study:

  • To investigate the incidence of NTM isolation and NTM pulmonary disease (NTM-PD) in adults aged 75 years and older.
  • To characterize the clinical and radiological features of NTM-PD in this demographic.
  • To evaluate treatment outcomes and compare them with younger patient groups.

Main Methods:

  • A multicenter observational study combining retrospective (2012-2017) and prospective (2018-2020) data from five tertiary hospitals in northern Spain.
  • Inclusion criteria encompassed all adult patients (≥18 years) with NTM isolated from respiratory samples, followed for two years.
  • Data analysis focused on comparing incidence, clinical presentation, diagnostic methods, treatment patterns, and outcomes between older adults (>75 years) and younger individuals.

Main Results:

  • Older adults (>75 years) represented 37% of the 594 patients studied, with 32% of NTM-PD cases occurring in this group.
  • The incidence of NTM isolation (13.8/100,000) and NTM-PD (3.82/100,000) was significantly higher in older adults compared to younger individuals.
  • Despite meeting disease criteria, older patients were less likely to undergo bronchoscopy, receive treatment, or present with cavitated forms, yet achieved similar cure rates.

Conclusions:

  • Older adults demonstrate a higher incidence of NTM isolation and NTM pulmonary disease.
  • Current diagnostic and therapeutic strategies for NTM-PD in the elderly appear less aggressive.
  • Despite differences in management, cure rates for NTM-PD in older adults are not significantly compromised compared to younger patients.