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NON-INVASIVE AND INVASIVE TREATMENT IN COVID

Recently, the new variant COVID-19 discovered in many African countries has aroused worldwide vigilance, which was named "Omicron". 

The WHO pointed out that the preliminary study showed that compared with other "variants requiring attention", the variant resulted in an increased risk of human reinfection with the virus. At present, the number of cases infected with the variant in almost all provinces of South Africa is increasing.

Rudo matifha, head of intensive care unit of bellagwanas hospital, said "Novel coronavirus pneumonia has a significant demographic change. Young people between 20 and more than 30 years old have had moderate symptoms or even severe cases when they visited the hospital. Some of them have entered the intensive care unit. I am very worried that with the increase in the number of infected people, medical facilities will be put up with heavy burden."

In this situation, non-invasive respiratory therapies (NITs) may be able to play a good role in the earlier stant of treatment. NITs combine different techniques of ventilatory support, improve patient tolerance and well-being, save time for medical treatment to take effect and, ultimately, decrease the need for intubation.

The clinical evidence from the treatment of COVID-19 patients indicates that the use of non-invasive ventilation can be effective in forestalling the need for intubation, thereby reducing the need for invasive mechanical ventilation. Devices used in this manner include CPAP masks, HEPA masks and high flow nasal cannula.

On the other hand, some critically ill patients may have to use invasive respiratory therapy, which is positive pressure delivered to the patient's lungs via an endotracheal tube or a tracheostomy tube. Consumables products used in this manner include endotracheal tube, tracheostomy tube, heat and moisture filter (HMEF), anti-bacterial filter, closed suction catheter, breathing circuit.

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