As an "invisible killer", COPD is an incurable chronic disease with progressive aggravation, and the course of the disease often lasts for decades. Patients in the early stage have no obvious discomfort, and it is often severe or even extremely severe when diagnosed. Chronic obstructive pulmonary disease is an irreversible chronic disease characterized by persistent respiratory symptoms and airflow limitation.

The main symptoms:

① Chronic cough, usually the first symptom.

② Coughing up sputum

③Shortness of breath or difficulty breathing, which is a hallmark symptom

④ wheezing and chest tightness

⑤ systemic symptoms, such as weight loss, loss of appetite and so on.

5 severity levels of chronic obstructive pulmonary disease (COPD)

Class I: Mild COPD
FEV1/FVC<70%
FEV1≥80% of predicted valueClass II: Moderate COPD
FEV1/FVC<70%
50%≤FEV1<80% predicted value
Grade III: Severe COPD
FEV1/FVC<70%
30%≤FEV1<50% predicted valueGrade IV: very severe COPD
FEV1/FVC<70%
FEV1<30% predicted value, or FEV1<50% predicted value with chronic respiratory failure

Note: FEV1 is the forced expiratory volume in one second, and FVC is the forced vital capacity.
 

How about the COPD treatment? 

In terms of COPD treatment, in addition to drug treatment to relieve symptoms, the first thing is to maintain an optimistic attitude and a healthy lifestyle, pay attention to diet adjustment; secondly, rehabilitation treatment, such as physical therapy or high-pressure negative ion oxygen therapy.However, when the severity of the patient's disease increases, doctors will often recommend the use of home oxygen concentrators and ventilators for combined treatment.

DEDAKJ 1-10 Liter High Concentration Medical Oxygen Concentrator Hospital Continuous Flow Rate Oxygen with Nebulizer Function 110V/220V DE-T10

The principle of the oxygen generator: the use of molecular sieve physical adsorption and desorption technology. The oxygen concentrator is filled with molecular sieves, which can absorb nitrogen in the air when pressurized, and the remaining unabsorbed oxygen is collected and purified to become high-purity oxygen. Oxygen concentrators can be divided into medical oxygen concentrators and household oxygen concentrators

Household ventilators are actually divided into two categories: single-level ventilators and bi-level ventilators. Most of the therapeutic ventilators needed by patients with chronic obstructive pulmonary disease are based on bilevel ST mode. How effective is this type of ventilator in treating COPD?
In February 2021, an article was published in the journal "Contemporary Medicine", "Analysis of the Curative Effect of Bilevel Positive Airway Pressure Ventilation in the Treatment of Patients with COPD and Respiratory Failure". The results of the study show that bilevel positive airway pressure (BiPAP) has a significant effect in the treatment of patients with chronic obstructive pulmonary disease and respiratory failure, can effectively improve the blood gas indicators of patients, and reduce the clinical symptoms of patients.
 
The BiPAP ventilator can overcome the ventilation resistance problem caused by airway stenosis in patients with COPD and respiratory failure through positive pressure ventilation, improve effective breathing, and relieve the symptoms of shortness of breath and dyspnea in patients; at the same time, BiPAP can effectively counteract the body's endogenous breathing End positive pressure, prevent alveolar atrophy, improve lung diffusion function, promote the discharge of carbon dioxide in the body, correct blood gas indicators, and relieve hypoxia.

Information for COPD patients

1. The longer the smoking time, the greater the amount of smoke and the more serious the condition
2. Air pollution can cause chronic bronchopneumonia and emphysema
3. Catching a cold can cause recurrence and aggravation of lung disease
4. Cooking fumes and soot can cause chronic bronchial pneumonia and emphysema
5. Passive smoking is a risk factor for disease

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 Related DEDAKJ Oxygen Concentrator: How Well Do You Know About the COPD?