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Why do COPD patients need a bi-level non-invasive ventilator?
Release time:
2018-11-28
Source:
COPD (chronic obstructive pulmonary disease) patients are prone to hypercapnia due to carbon dioxide retention. Many doctors recommend that the home be equipped with a bi-level ventilator to treat for a certain period of time every day to expel the retained carbon dioxide from the body to improve the condition. And improve the quality of life. The vast majority of people do not know COPD why to use bi-level non-invasive ventilator?
Why COPD (Chronic Obstructive Pulmonary Disease) Causes Carbon Dioxide Retention
Chronic obstructive pulmonary disease is a disease of airflow limitation. The bronchial mucosa of patients is blocked, adhered, necrotic and hyperplastic, resulting in poor airflow. In addition, patients with chronic obstructive pulmonary disease cannot carry out normal gas exchange due to reduced airflow inhalation and restricted exhalation during breathing, and the number of alveoli participating in respiratory exchange is reduced, resulting in insufficient oxygen inhalation, poor excretion of metabolized carbon dioxide in the body, and hypoxemia and hypercapnia in patients.
Why a bi-level non-invasive ventilator can exclude carbon dioxide
The bi-level ventilator can provide the patient with an expiratory pressure and an inspiratory pressure. When the patient inhales, he inhales a higher pressure gas to help the patient smoothly enter the lungs. When the patient exhales, the ventilator actively reduces the pressure and artificially creates a pressure difference. Through this pressure difference, the excess gas in the patient's alveoli is smoothly discharged out of the body, so that the patient can smoothly exchange gas and avoid the accumulation of carbon dioxide in the body, causing carbon dioxide retention phenomenon.
Benefits of using a ventilator for COPD (chronic obstructive pulmonary disease)
1. Reduce the number of hospitalizations
If there is no ventilator to help patients discharge carbon dioxide, then when the carbon dioxide accumulates to a certain extent, it will cause the patient to be hospitalized. When there is a bi-level ventilator at home, the carbon dioxide in the body can be discharged regularly every day to ensure the blood oxygen content of the patient and reduce the number of hospitalizations.
2. Improve the quality of life
Breathing is a simple and easy thing for ordinary people, but breathing is more difficult for COPD (chronic obstructive pulmonary disease) patients, because the bubbles of patients lose elasticity and need more strength than ordinary people to inhale air into the body. Due to bronchial obstruction, patients need to expel the replaced air (exhaust gas) out of the body with greater strength than ordinary people, therefore, breathing is a difficult thing for COPD patients. In severe cases, walking and turning over will make patients feel exhausted.
The bi-level non-invasive ventilator can help patients reduce breathing fatigue, because the ventilator only needs a tiny airflow sensor to achieve active ventilation and pressurization. When a gentle breath, the ventilator can automatically reduce blood pressure, so that the patient's breathing fatigue is greatly reduced, which can improve the patient's quality of life and reduce breathing pressure.
3. Delay the development of disease and prolong life
COPD is an irreversible disease. At present, there is no drug that can cure this kind of disease. It can only be controlled, not cured, like hypertension and diabetes, and each attack will bring damage and damage to lung function. In order to control the disease and delay life, it is necessary to avoid the attack of the disease as much as possible.
The onset of the disease is mainly to control the retention of carbon dioxide in the body, so in order to avoid aggravation of the disease, COPD patients should use a bi-level non-invasive ventilator every day to help eliminate carbon dioxide in the body.
4. Increased oxygenation
COPD patients generally recommend low-flow oxygen inhalation to prevent PaCO2 from rising due to high flow rate. When the flow rate is too low, it cannot improve the blood oxygen content of patients. Therefore, matching with a ventilator can appropriately improve the oxygen flow rate, reduce carbon dioxide retention, and the respiratory pressure of the ventilator can also store oxygenation. Therefore, the use of a ventilator for COPD (chronic obstructive pulmonary disease) patients is also beneficial to improve blood oxygen.
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