RCPD - retrograde cricopharyngeal dysfunction

Understanding Retrograde Cricopharyngeal Dysfunction (RCPD) and Its Treatments

Swallowing is a complex process involving numerous muscles and nerves working in harmony. When something goes awry in this system, it can lead to swallowing disorders that significantly impact one's quality of life. One such condition is Retrograde Cricopharyngeal Dysfunction (RCPD). In this blog, we will explore what RCPD is, its symptoms, and the available treatments.


What is Retrograde Cricopharyngeal Dysfunction (RCPD)?

Retrograde Cricopharyngeal Dysfunction (RCPD) is a swallowing disorder where the cricopharyngeus muscle, which is a key component of the upper oesophageal sphincter, fails to relax properly. This muscle is crucial for allowing food and liquids to pass from the throat into the oesophagus. In RCPD, the dysfunction causes difficulty with belching, as the muscle remains tightly closed, preventing the release of swallowed air and causing discomfort.


Symptoms of RCPD

The symptoms of RCPD can be uncomfortable and may include:

- Inability to burp or belch
- Bloating and abdominal discomfort
- Chest pressure or pain
- Excessive gassiness
- Nausea
- Regurgitation of food or liquids
- Difficulty swallowing (dysphagia)
- Frequent hiccups


Causes of RCPD

The exact cause of RCPD is not well understood, but it is believed to be related to abnormal muscle function or coordination of the cricopharyngeus muscle. Factors that might contribute to RCPD include:

- Neurological Disorders: Conditions affecting the nerves and muscles involved in swallowing can lead to RCPD.

- Muscle Disorders: Diseases that affect muscle function, such as myopathies, may contribute to the dysfunction.

- Aging: Changes in muscle function and coordination due to aging can increase the risk of RCPD.


Diagnosing RCPD

Diagnosing RCPD typically involves a combination of medical history, physical examination, and specific tests to evaluate the function of the oesophagus and cricopharyngeus muscle. There's in no definitive test that proves the presence of RCPD although, common diagnostic tests include:

- Barium Swallow X-ray: This imaging test involves swallowing a barium solution that coats the oesophagus, allowing for detailed X-ray images to identify any abnormalities.

- Oesophageal Manometry:This test measures the pressure and coordination of oesophageal muscles during swallowing, helping to identify dysfunction in the cricopharyngeus muscle.

- Endoscopic Evaluation: An endoscopy involves inserting a flexible tube with a camera down the throat to visualise the esophagus and upper digestive tract, which can help rule out other potential causes of symptoms.


Treatments for RCPD

The treatment of RCPD focuses on alleviating symptoms and improving the function of the cricopharyngeus muscle. Here are some common treatment approaches:

1. Botulinum Toxin Injection (Botox):

- Botox injections into the cricopharyngeus muscle can help relax it, allowing for easier passage of food and air. This treatment can provide significant relief from symptoms, but the effects are typically temporary and may require repeated injections.

2. Cricopharyngeal Myotomy:

- This surgical or endoscopic procedure involves cutting the cricopharyngeus muscle to permanently relax it. Cricopharyngeal myotomy is often recommended for patients who do not respond to less invasive treatments and can provide long-term relief from symptoms.

3. Dilation:

- In some cases, dilating the upper oesophageal sphincter with a balloon can help improve its function. This procedure is less invasive than surgery but may need to be repeated periodically.

4. Swallowing Therapy:

- Working with a speech pathologist can help improve swallowing function through targeted exercises and techniques. Swallowing therapy can be beneficial in managing symptoms and improving overall swallowing coordination.

5. Lifestyle Modifications:

- Certain lifestyle changes can help manage symptoms, such as eating smaller, more frequent meals, avoiding carbonated beverages, and practicing techniques to promote relaxation and reduce stress


Remember, this information is for educational purposes only and is not a substitute for professional medical advice. If you suspect you have coeliac disease, or if you are managing the condition, consult with a healthcare provider for personalised advice and treatment.