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Pulmonary aspiration is a condition that occurs when a person inhales a foreign substance into their windpipe and lungs. de Souza Oliveira, A. R., et al. (2015). Clinical factors predicting risk for aspiration and respiratory aspiration among patients with stroke. This is a really exciting time for the enlarged Aspira business and we look forward to continuing to support you with your financial goals and journey in the coming months and years.

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People who might aspirate often or have problems swallowing include those who are older adults, who have had a stroke, and who have developmental disabilities. Aspiration Symptoms Your chances of aspiration go up with age, since you may have more trouble chewing and swallowing as you get older. Sometimes, there’s no clear sign that food or liquid is going down the wrong way. Because you don't notice it, you don't cough. But in most cases, you: People who’ve had surgery or a condition that affects their larynx may have trouble swallowing. If the larynx doesn’t close tightly, food or liquids can enter the windpipe.

Pharyngeal manometry. With your nose numbed, a technician puts a tube called a catheter through it and into your throat. The catheter has sensors to measure the pressure in your throat and esophagus when you swallow. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. We avoid using tertiary references. We link primary sources — including studies, scientific references, and statistics — within each article and also list them in the resources section at the bottom of our articles. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.Aspiration can lead to more severe issues like infection and tissue damage. For example, aspiration pneumonia is a lung infection that causes inflammation and buildup of fluid. Symptoms may come on slowly. Without treatment, they can become dangerous. People with a nasogastric tube, surgical opening in the windpipe ( tracheostomy), feeding tube, or who’ve had procedures to examine the digestive tract, are also at high risk for aspiration. Fiber-optic endoscopic evaluation of swallowing (FEES). A specialist numbs your nose. They put a thin, flexible tube called an endoscope through it and into your throat. A camera inside it takes pictures while you swallow saliva, food, and liquids. Modified barium swallow (MBS). A technician takes X-rays of your throat and esophagus while you swallow foods and liquids that have been mixed with a chemical called barium.