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COPD in geriatric patients - Coggle Diagram
COPD in geriatric patients
1. Overview & Definition
What is COPD? Chronic Obstructive Pulmonary Disease (COPD) is a progressive lung condition that makes it hard to breathe due to permanent airflow limitation.
Global Impact: Cases among older adults (65+) grew by 160% globally between 1990 and 2021.
Two Main Conditions: It usually involves a mix of two conditions:
Chronic Bronchitis: Long-term airway inflammation causing a persistent, productive cough for at least 3 months in 2 back-to-back years.
Emphysema: Damage and destruction of the lung's air sacs (alveoli), reducing the surface area available for oxygen exchange.
2. Pathophysiology (What Happens to the Lungs)
Airway Changes: The airways narrow, the walls scar (fibrosis), and the lungs produce too much mucus.
Aging Factor: Natural aging makes the lungs less elastic and the chest wall stiffer, which makes breathing even harder.
Systemic Impact: The inflammation in the lungs can spill over into the bloodstream, leading to whole-body issues like muscle wasting (cachexia), osteoporosis, and heart disease.
3. Symptoms in Older Adults
Permanent, worsening shortness of breath (dyspnea) and a chronic cough.
Frequent chest infections, fatigue, and unintended weight loss.
Physical signs like wheezing, longer exhaling phases, using extra chest muscles to breathe, and swollen legs (a sign of advanced heart strain).
4. Diagnosis
Spirometry (Gold Standard): A breathing test that measures airflow. A breathing ratio FEV \ FVC of less than 0.70 confirms COPD.
Other Tests: Chest X-rays and CT scans help check lung damage and rule out other conditions (like heart failure), while blood gas tests check oxygen levels.
Risk Factors: History of smoking, environmental pollution (like biomass fuel or dust), and genetic factors (Alpha-1 antitrypsin deficiency).
5. Management & Treatment
Medications:
Long-acting inhalers (bronchodilators) to open the airways.
Inhaled steroids for patients who get frequent flare-ups.
Oxygen therapy for advanced cases.
⚠️ Warning: Beta-blockers are contraindicated because they can trigger severe airway spasms.
Lifestyle & Prevention:
Smoking cessation and pulmonary rehabilitation (guided exercise/education)
Annual influenza and pneumococcal vaccines to prevent infections.
Nutritional support to combat weight loss.
6. Flare-ups (Exacerbations) & Complications
Flare-ups: Sudden worsening of shortness of breath and coughing, usually triggered by infections, air pollution, or cold weather. Severe cases require hospitalization.
Complications: Can lead to respiratory failure, lung collapse (pneumothorax), high blood pressure in the lungs, and right-sided heart failure (cor pulmonale).