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Pulmonary Tuberculosis I

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...

Chronic Obstructive Pulmonary Disease-I: Introduction

Chronic Obstructive Pulmonary Disease-I: Introduction

Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.

Chronic Obstructive Pulmonary Disease

Chronic Obstructive Pulmonary Disease

COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
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Related Experiment Video

Updated: Aug 12, 2025

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

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

Published on: June 23, 2019

HIV and chronic lung disease.

Janice M Leung^1,2

¹Division of Respiratory Medicine, Department of Medicine.

Current Opinion in HIV and AIDS

|February 1, 2023

Summary

People with HIV (PLWH) face higher risks of chronic obstructive pulmonary disease (COPD) and lung cancer. Improved screening, treatment access, and research are crucial for better outcomes in this aging population.

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Area of Science:

Pulmonology
Infectious Diseases
Geriatrics

Background:

Aging people with human immunodeficiency virus (HIV) experience increasing challenges from comorbidities.
Chronic lung diseases, specifically chronic obstructive pulmonary disease (COPD) and lung cancer, are prevalent in people living with HIV (PLWH).

Approach:

This review provides an in-depth overview of COPD and lung cancer in PLWH.
Analysis of current literature on the epidemiology, outcomes, and care barriers for these conditions in PLWH.

Key Points:

PLWH have a significantly higher risk of COPD and lung cancer compared to HIV-uninfected individuals.
Lung cancer rates are declining in PLWH, but survival outcomes remain poorer than in the general population.
Barriers to care include underdiagnosis of COPD and reduced access to lung cancer screening and treatment for PLWH.

Conclusions:

COPD and lung cancer pose significant health burdens for PLWH.
Enhanced access to standard screening and treatment is recommended.
Further research into optimal therapeutic strategies for PLWH with these lung conditions is needed.