<p><strong>What Is Pneumonia?</strong></p>
<p>Pneumonia is a type of pneumonitis—an inflammation of the lungs that may be caused by the inhalation of irritating gases or particles or by an infection. When the inflammation is caused by an infectious microorganism, the term pneumonia is used.</p>
<p>The lungs have a complex system of defense: frequent branching and narrowing of the bronchial passages make it difficult for invaders to penetrate the lungs deeply; millions of tiny hairs, or cilia, in the bronchial lining constantly sweep particles out of the airways; the cough reflex forces irritating substances out of the lungs at high speed; and white blood cells, known as macrophages or scavenger cells, engulf and destroy many infectious agents.</p>
<p>Pneumonia is common, and can be a complication from a lingering cold or bout with influenza or bronchitis. Nearly half of community-acquired pneumonia cases are believed t...
Highlights Overview While the incidence of Pneumonia is declining, it remains a widespread and significant healthcare issue in the US, particularly among people who require long-term medical care. An aging population, antibiotic resistance and increasing healthcare costs make this a particularly challenging problem. Pneumonia symptoms vary among children, adults and the elderly. Distinguishing the symptoms for rapid diagnosis, beginning appropriate antibiotics early, and determining where care should be delivered (ICU, hospital or home) are key to positive outcomes. Tools may be used to determine the most appropriate level of care, such as the Pneumonia Severity Index (PSI), British Thoracic Society Rule (BSR), and the CURB-65. Prognosis In a review of research evidence, statin use was shown to improve the outcome in patients with bacterial pneumonia. While this has been debated as a healthy user effect, additional analyses on these largely retrospective studies refute this claim. Researcher...
Pneumonia, often called bronchopneumonia or bronchial pneumonia, can be a serious, even life-threatening, complication of COPD. When you have a chronic disease, your immune system is already compromised, making it harder to fight infections. Add to that the weakened airways and lung tissue that is part of COPD, and it is obvious how much of a threat a respiratory infection like pneumonia can be to someone who has COPD.
What Is Pneumonia?
Pneumonia is a respiratory infection that leads to inflammation and swelling in the bronchial tubes, known as bronchioles, and also tiny cells or airsacs at the end of the airways, called alveoli. Because COPD already causes similar issues, pneumonia results in an acute exacerbation of COPD.
What does that mean? Well, it means that there is an acute deterioration of respiratory symptoms. In particular, there will be increased breathlessness and cough, and an increase in the amount of sputum, as well as a change in the quality of t...
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