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Pseudomonas, bacteria in wound infections and cystic fibrosis

  1. Pseudomonos is a genus of bacteria. Certain species of this genus cause disease in trees and plants. Some are useful and are used in the chemical industry or in the medical world. The bacteria pseudomonas aeruginosa can cause serious infections in humans. Especially with open wounds and burns there is a risk of infection. Patients with cystic fibrosis may eventually show respiratory failure. In both cases, the patient can die quickly. This bacterium is therefore classified as hospital bacteria because of its resistance to antibiotics.

What is pseudomonas?

  1. Pseudomonas is a genus of bacteria. They are gram-negative rod-shaped bacteria that are common in the soil. They cause infections or death in plants, animals and humans.

Pseudomonas aeruginosa, hospital bacteria

  1. In general, the bacteria pseudomonas aeruginosa is harmless. Still, it is called a hospital bacteria. A hospital bacterium is a bacterium that is common in hospitals and can withstand different types of antibiotics. This makes this bacteria difficult to combat. Due to frequent use of antibiotics or incorrect use, bacteria build up resistance to antibiotics. The bacteria will then have become insensitive to antibiotics and will no longer be inhibited in their growth or killed by this agent.

Wound infection

  1. P. aeruginosa is best known for the serious wound infections the bacteria can cause. The bacteria can strike especially with burns. Burns are caused by burning the skin. This can be caused by a heat source (fire, high heat), hot gases or liquids or chemically corrosive agents. But contact with electricity or friction of the skin with a rough surface can also cause burns. The first damage occurs when the skin is heated above 42 degrees for a longer period of time. The higher the temperature, the shorter the time it takes to cause a burn.

Organ Infection

  1. Bacteria that enter the body through the open wound, can enter organs through the bloodstream. There they cause infection of the organs. As a result, organs function less well and can even show failure. This can have fatal consequences.

Cystic fibrosis and the bacteria

  1. The bacterium is also feared in people with cystic fibrosis. Mucus produced in this disease is quite tough. Especially in the lungs, liver, stomach, intestines and pancreas, tough mucus is produced. Often patients develop bronchitis (infection of the respiratory tract) or pneumonia. Infection with the bacteria turns the mucus in the lungs into a biofilm. This is a layer of mucus that is full of the bacteria, where the mucus is produced by the bacteria itself. As a result, medicines no longer work. As a result, breathing will eventually stop.


  1. Patients with cystic fibrosis can infect each other with the bacteria. But the bacteria is also found in hospitals. It is therefore important to maintain high hygiene in both cystic fibrosis and burns. Open wounds should be closed as soon as possible. Treatment will therefore be aimed at this, by means of covering, accelerated wound healing or skin grafting. Treatment focuses on high doses or strong antibiotics. In some cases it is possible to fight bacteria with this.

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