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The use of heat and moisture exchanger (HME) filters and breathing system filters in the OR, the ICU, as well as other settings, helps to address concerns commonly associated with mechanical ventilation: proper humidification of inspired air and cross-infection.

An HME that is in use on a patient should be changed if it malfunctions mechanically or becomes visibly soiled, but HMEs should not be routinely changed more frequently than every 48 hours.

The HME sits over your stoma as you breathe through it, warming up the air and making it moister in the process. It does this by “catching” the heat and humidity of exhaled air, and then transferring it to the air you inhale. To really see the benefits of your HME, you need to wear it all the time. If you haven’t used an HME before, your lungs may start to produce more mucus. This is completely normal, and will settle down within a couple of weeks once your lungs have adapted to the new HME filter.

Clinical studies clearly show that a hygroscopic and hydrophobic HME can be used safely for seven continuous days of mechanical ventilation in all ICU patients except patients with COPD.

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seo.lifeoline

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3y ago

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How does HME Filters works?

Heat and moisture exchangers (HME) filters work by capturing and retaining heat and moisture from exhaled air, and then returning them to the patient during inhalation. They help maintain optimal humidity levels in the respiratory system, reducing the risk of drying out the airway and improving overall comfort during mechanical ventilation or oxygen therapy.


Why do we use HME filters?

Heat and Moisture Exchangers or an HME Filter help to reduce mucus production and coughing by humidifying and filtering the air you breathe through your stoma. Life-O-Line Technologist supplies a number of different HMEs that are designed to suit different lifestyles. HME cassettes with an electrostatic filter are designed to enhance the protection against airborne microbes to help to reduce the transfer of viruses and bacteria. After a total laryngectomy, you breathe through the stoma in your neck. This means the air that reaches your lungs is cooler and less humid than it should be. Your lungs react by producing more mucus, and your windpipe can feel irritated. You may start to cough a lot and have to clean your stoma more regularly, which can be uncomfortable to do in public. Most people find that wearing HMEs can help. The HME sits over your stoma as you breathe through it, warming up the air and making it moister in the process. It does this by “catching” the heat and humidity of exhaled air, and then transferring it to the air you inhale. To really see the benefits of your HME, you need to wear it all the time. If you haven’t used an HME before, your lungs may start to produce more mucus. This is completely normal, and will settle down within a couple of weeks once your lungs have adapted to the new HME filter.


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