Understanding Achalasia and Peroral Endoscopic Myotomy |…

What Achalasia Is

Achalasia is a disorder of the muscles in the lower part of the esophagus, where the muscles do not relax properly to allow food and liquid to pass into the stomach. This results in difficulty swallowing (dysphagia) and can lead to regurgitation of undigested food.

The condition affects the esophageal sphincter, a ring-like muscle that normally opens to let food enter the stomach but remains closed otherwise. In achalasia, this sphincter fails to relax, causing a backup of pressure in the esophagus and making it difficult for patients to swallow.

How Peroral Endoscopic Myotomy Works

Peroral endoscopic myotomy (POEM) is a minimally invasive surgical technique used to treat achalasia. During the procedure, an endoscope with a special blade is inserted through the mouth and into the esophagus. The surgeon then makes small incisions in the muscle layer of the lower esophageal sphincter, dividing it to allow for proper relaxation.

By cutting the muscle layer, POEM helps to relieve the pressure that builds up in the esophagus due to the unrelaxed sphincter, thereby improving swallowing function and reducing symptoms.

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Why It Matters

Achalasia can significantly impact a person's quality of life. Symptoms such as difficulty swallowing, chest pain, and regurgitation can lead to nutritional deficiencies, dehydration, and social isolation. Effective treatment options like POEM are crucial for improving patients' ability to eat normally and maintain their health.

POEM has become increasingly popular due to its minimally invasive nature, shorter recovery time compared to open surgery, and high success rates in alleviating symptoms.

Real-World Applications

The technique of POEM was first described in 2008 by Dr. Hiroyasu Koga at the University of Tokyo and has since been widely adopted around the world as a standard treatment for achalasia.

Studies have shown that POEM can achieve long-term success rates similar to those of open surgical myotomy, with fewer complications and faster recovery times.

Frequently asked questions

What are the risks associated with POEM?

Risks include bleeding, perforation of the esophagus, infection, and potential need for further treatment if symptoms persist after surgery.

Is POEM suitable for all patients with achalasia?

POEM is generally recommended for patients who do not respond to other treatments or have severe symptoms. However, it may not be appropriate for those with certain medical conditions that could complicate the procedure.

How long does recovery take after POEM surgery?

Patients typically recover within a few days and can return to normal activities quickly compared to traditional open surgery methods.

Can POEM be performed on children with achalasia?

POEM is also used in pediatric patients, though the technique may need to be adapted for younger patients due to differences in anatomy and size of the esophagus.

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